{"product_id":"dji-agras-t50-oem-d12000i-rato-generator-spark-plug-yc-dz-gr000063","title":"DJI Agras T50 OEM D12000i RATO Generator Spark Plug (YC.DZ.GR000063)","description":"\u003cp\u003e\u003cstrong\u003eSpark Plug | Combustion Ignition Point | D12000i RATO Engine Build | 100-Hour Service Item | Field-Ready OEM Replacement Component\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\u003ch2\u003e🇺🇸 U.S.A. FIRST\u003c\/h2\u003e\n\u003cp\u003eAres Acres LLC is a U.S.-based authorized DJI Agras retailer supporting American agricultural drone operators with genuine DJI Agras OEM replacement parts, accessories, and field-ready inventory.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFREE \u0026amp; FAST Shipping is included for all U.S. customers.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe understand that every day of downtime can impact productivity, scheduling, and profitability. That's why we focus on providing fast fulfillment, responsive customer support, and reliable access to the parts operators need most.\u003c\/p\u003e\n\u003cp\u003eThe spark plug is where every hour of generator runtime finally turns into combustion. It seals the cylinder, carries the coil's high-tension pulse through the head, presents the gap the arc jumps, and pulls heat out of the chamber into the cylinder head so the tip never becomes a glow plug. It is also the only part of this engine that quietly changes its own specification while you run it: every hour the electrodes erode a little, the gap grows a little, and the voltage the coil has to produce climbs. DJI puts it on a 100-hour check, clean or replace interval for exactly that reason.\u003c\/p\u003e\n\u003cp\u003eSkipping that interval is a false economy of the worst kind. A worn plug does not fail cleanly; it drags the ignition coil down with it, misfires under the heaviest charging load, dumps unburned fuel over the oxygen sensor, and pushes the electronic fuel injection control board into correcting a problem that was never fuel. That is how a routine consumable turns into a long parts hunt. Meanwhile the generator is the charging station for the entire spray fleet, so a stumble here is not one aircraft grounded — it is every aircraft waiting on a pack that will not finish charging.\u003c\/p\u003e\n\u003cp\u003eThat is why Ares Acres keeps hard-to-find OEM generator engine components in stock and shipped fast to the U.S.A., helping operators hold clean combustion and easy starting, minimize downtime, and keep their aircraft spraying when every acre counts.\u003c\/p\u003e\n\u003cp\u003eFor professional farmers, aerial applicators, and commercial drone operators, this is the simplest insurance on the machine and the one service item nobody should ever be short of in the field.\u003c\/p\u003e\n\n\u003chr\u003e\n\u003ch2\u003e✅ DJI Agras T50 \/ T40 \/ T30 Compatibility Guarantee\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e🇺🇸 USA Compatibility Guarantee\u003c\/li\u003e\n\u003cli\u003e👍🏻 Satisfaction Guarantee\u003c\/li\u003e\n\u003cli\u003e💵 Money Back Guarantee\u003c\/li\u003e\n\u003cli\u003e📦 Same Day Shipping \u0026amp; Tracking\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\u003ch2\u003e📦 Package Includes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 × OEM Spark Plug (YC.DZ.GR000063)\u003c\/li\u003e\n\u003cli\u003eOEM spark plug as specified for the RATO-build D12000i engine\u003c\/li\u003e\n\u003cli\u003eOEM protective sleeve and terminal as supplied\u003c\/li\u003e\n\u003cli\u003eOEM protective packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\u003ch2\u003e🔧 Component Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eDJI Agras T50 OEM D12000i RATO Generator Spark Plug\u003c\/strong\u003e is the spark plug for the RATO engine build of the DJI Agras D12000i Multifunctional Inverter Generator, the ground charging generator behind T50, T40 and T30 flight batteries.\u003c\/p\u003e\n\u003cp\u003eA spark plug does four jobs at once and people usually remember only the first. It conducts the coil's high-tension pulse into the combustion chamber. It provides a precisely dimensioned gap for the arc. It seals combustion pressure at the threads and the sealing washer. And it transfers heat from the firing tip through the insulator and the shell into the cylinder head at a controlled rate, which is what heat range means. Fit the wrong heat range and the plug will either foul because it never gets hot enough to burn off deposits, or run so hot it becomes an ignition source of its own.\u003c\/p\u003e\n\u003cp\u003eOn this engine the plug also functions as a free diagnostic instrument. Pull it after a hard day and read it. Light tan or gray means the mixture and heat range are right. Dry black soot means the engine has been running rich, which on an electronically fuel injected engine points at a drifting oxygen sensor, a leaking injector or a misfire feeding bad data into the closed loop. Wet and oily means oil is getting past rings or guides. Chalky white or blistered means it has been running too hot. Reading the plug costs nothing and often names the real fault before you buy anything.\u003c\/p\u003e\n\u003cp\u003eCharging duty is hard on plugs. The engine runs long, steady, high-RPM sessions under a heavy electrical load that steps up and down as chargers pick up and release packs, in field dust and summer heat, on fuel that may have been sitting in the tank for weeks. Erosion is continuous, deposits build during the rich moments, and the gap grows the whole time. By the time an operator notices a symptom, the plug has usually been costing fuel and stressing the coil for a while.\u003c\/p\u003e\n\u003cp\u003eIt is a consumable. Treat it like one.\u003c\/p\u003e\n\u003cp\u003eThe Spark Plug governs:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConducts the coil's high-tension pulse into the cylinder\u003c\/li\u003e\n\u003cli\u003ePresents the gap the ignition arc has to bridge\u003c\/li\u003e\n\u003cli\u003eIgnites the injected charge at the commanded moment\u003c\/li\u003e\n\u003cli\u003eSeals combustion pressure at the threads and washer\u003c\/li\u003e\n\u003cli\u003eTransfers firing-tip heat into the cylinder head\u003c\/li\u003e\n\u003cli\u003eHolds its heat range so deposits burn off but the tip stays cool\u003c\/li\u003e\n\u003cli\u003eKeeps demand voltage low enough to protect the coil\u003c\/li\u003e\n\u003cli\u003eSupports clean combustion for stable closed-loop fuel control\u003c\/li\u003e\n\u003cli\u003eRecords engine condition on its tip for you to read\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCommercial charging setups work brutally hard every day, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLong high-RPM sessions charging pack after pack\u003c\/li\u003e\n\u003cli\u003eLoad that steps hard as chargers pick up and drop packs\u003c\/li\u003e\n\u003cli\u003eBack-to-back rotations with almost no cool-down\u003c\/li\u003e\n\u003cli\u003eCold pre-dawn starts and hot midday restarts the same day\u003c\/li\u003e\n\u003cli\u003eField dust and crop residue drawn through the engine\u003c\/li\u003e\n\u003cli\u003eEthanol-blended and sometimes stale fuel from the tank\u003c\/li\u003e\n\u003cli\u003eAmbient heat that keeps under-cowl temperature high\u003c\/li\u003e\n\u003cli\u003eTransport vibration between fields and jobs\u003c\/li\u003e\n\u003cli\u003eSeason-long service with limited access to a shop\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThroughout that service, generator engine components are routinely exposed to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eContinuous electrode erosion from every firing event\u003c\/li\u003e\n\u003cli\u003eCombustion heat cycling between shutdown and full load\u003c\/li\u003e\n\u003cli\u003eCarbon deposits laid down during rich running\u003c\/li\u003e\n\u003cli\u003eOil fouling if rings or valve guides are worn\u003c\/li\u003e\n\u003cli\u003eWet fouling from repeated failed start attempts\u003c\/li\u003e\n\u003cli\u003eDeposits from stale or ethanol-blended fuel\u003c\/li\u003e\n\u003cli\u003eThread and washer distortion from over-tightening\u003c\/li\u003e\n\u003cli\u003eInsulator cracks from mishandling or a dropped plug\u003c\/li\u003e\n\u003cli\u003eCorrosion and seizing in the head over long service life\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe end of a plug is rarely dramatic. The gap widens past what the coil can comfortably bridge, so the engine starts misfiring at the moments of highest cylinder pressure — which on a charging generator is exactly when a charger picks up a pack. Fouling does the same thing from the other direction, giving the spark an easier path across the deposits than across the gap. Either way you get hard starting, lost output and a coil working far harder than it should.\u003c\/p\u003e\n\u003cp\u003eThe Spark Plug delivers:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReliable first-crank starts hot and cold\u003c\/li\u003e\n\u003cli\u003eStable RPM when charging load steps on\u003c\/li\u003e\n\u003cli\u003eComplete combustion and lower fuel burn per pack\u003c\/li\u003e\n\u003cli\u003eA correct gap that protects the ignition coil\u003c\/li\u003e\n\u003cli\u003eClean exhaust that keeps the oxygen sensor honest\u003c\/li\u003e\n\u003cli\u003eAccurate closed-loop fuel control with no misfire noise\u003c\/li\u003e\n\u003cli\u003eA fresh diagnostic baseline for reading engine condition\u003c\/li\u003e\n\u003cli\u003eCorrect heat range for RATO-build charging duty\u003c\/li\u003e\n\u003cli\u003eOften the simplest fix to a hard-start complaint\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis is the RATO-build plug. Confirm which engine your generator carries before ordering anything in this family.\u003c\/p\u003e\n\n\u003chr\u003e\n\u003ch2\u003e⚙️ Functional Purpose\u003c\/h2\u003e\n\u003cp\u003eThe Spark Plug is designed to deliver the ignition arc into the combustion chamber at a controlled gap and a controlled temperature, hour after hour, while sealing cylinder pressure and shedding heat into the head.\u003c\/p\u003e\n\u003cp\u003eThe assembly:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCarries high-tension voltage from the boot to the center electrode\u003c\/li\u003e\n\u003cli\u003eInsulates that voltage from the shell and the cylinder head\u003c\/li\u003e\n\u003cli\u003eFires the arc across the gap to the ground electrode\u003c\/li\u003e\n\u003cli\u003eIgnites the injected charge at the commanded crank angle\u003c\/li\u003e\n\u003cli\u003eSeals combustion pressure through threads and sealing washer\u003c\/li\u003e\n\u003cli\u003eConducts firing-tip heat into the head at a controlled rate\u003c\/li\u003e\n\u003cli\u003eResists pre-ignition by staying inside its heat range\u003c\/li\u003e\n\u003cli\u003eKeeps required firing voltage within what the coil can supply\u003c\/li\u003e\n\u003cli\u003eWithstands continuous thermal cycling without cracking\u003c\/li\u003e\n\u003cli\u003eResists deposit build-up during rich or light-load running\u003c\/li\u003e\n\u003cli\u003eGrounds through the head to complete the ignition circuit\u003c\/li\u003e\n\u003cli\u003eShows a readable record of combustion condition on its tip\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe interaction that matters most on this engine is between the plug and the ignition coil. As the electrodes erode the gap grows, and a bigger gap needs more voltage to ionize. The coil answers by producing more voltage, which stresses its own winding insulation. Push that far enough and the spark finds an easier path to ground inside the coil than across the plug gap, and now you have two failed parts. Replacing a coil without replacing a worn plug loads the new coil hard from the first revolution.\u003c\/p\u003e\n\u003cp\u003eThe second interaction is with the fuel system. This engine is electronically fuel injected, so the control board, injector, oxygen sensor and cable form a closed loop. A fouled or misfiring plug sends unburned fuel and free oxygen past the sensor, the board reads that as lean and adds fuel, and the engine runs richer still. That loop makes healthy fuel components look defective. Pulling the plug and reading it is the fastest way to find out which end of the loop the trouble actually started on.\u003c\/p\u003e\n\u003cp\u003eA worn spark plug costs you:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHard starting hot and cold, and long cranking sessions\u003c\/li\u003e\n\u003cli\u003eMisfire under load exactly when charging demand peaks\u003c\/li\u003e\n\u003cli\u003eLost output and longer turn times per battery pack\u003c\/li\u003e\n\u003cli\u003eExtra fuel burned for the same number of packs charged\u003c\/li\u003e\n\u003cli\u003eAn ignition coil forced to overwork and fail early\u003c\/li\u003e\n\u003cli\u003eUnburned fuel washing over the oxygen sensor\u003c\/li\u003e\n\u003cli\u003eFuel trim drift that mimics an injector or board fault\u003c\/li\u003e\n\u003cli\u003eRough running that shakes the whole generator package\u003c\/li\u003e\n\u003cli\u003eA grounded fleet when a routine consumable ends the day\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSmallest part on the engine. Biggest ratio of pain to effort.\u003c\/p\u003e\n\n\u003chr\u003e\n\u003ch2\u003e⚠️ Common Replacement Indicators\u003c\/h2\u003e\n\u003cp\u003eTime to order when you see:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHard starting or extended cranking, especially when hot\u003c\/li\u003e\n\u003cli\u003eMisfire or stumble under charging load\u003c\/li\u003e\n\u003cli\u003eRough idle and unstable RPM between charge cycles\u003c\/li\u003e\n\u003cli\u003eNoticeable drop in generator output or slower pack turns\u003c\/li\u003e\n\u003cli\u003eHigher fuel consumption for the same charging work\u003c\/li\u003e\n\u003cli\u003ePopping or backfiring through the exhaust\u003c\/li\u003e\n\u003cli\u003eDry black sooty deposits on the plug tip\u003c\/li\u003e\n\u003cli\u003eWet, oily deposits on the insulator and electrodes\u003c\/li\u003e\n\u003cli\u003eChalky white, glazed or blistered insulator nose\u003c\/li\u003e\n\u003cli\u003eVisibly eroded, rounded or burned-back electrodes\u003c\/li\u003e\n\u003cli\u003eA measured gap noticeably wider than specification\u003c\/li\u003e\n\u003cli\u003eA cracked, chipped or carbon-tracked insulator\u003c\/li\u003e\n\u003cli\u003eReaching or passing the 100-hour service interval\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhat kills generator engine components like this plug: normal erosion accelerated by hard duty, plus everything upstream that goes wrong. Every spark takes a microscopic amount of metal off the electrodes, so the gap grows continuously and the coil's job gets harder with every hour. Rich running from a drifting oxygen sensor, a leaking injector or an ignition misfire lays down carbon that shorts the gap. Worn rings or guides oil-foul the tip. Stale or ethanol-blended fuel leaves deposits during light-load running. Over-tightening distorts the shell and the sealing washer and ruins heat transfer, while under-tightening lets combustion gas past and overheats the tip. Drop a plug on concrete and you can crack the insulator without seeing it, which shows up later as a random misfire.\u003c\/p\u003e\n\u003cp\u003eReplace with the engine cool so the threads in the head are not at risk. Blow debris out of the plug well first so nothing falls into the cylinder, pull the boot by the boot rather than the lead, and back the plug out with a proper plug socket and extension. Check the new plug's gap with a feeler or wire gauge to the figure DJI specifies for your engine build, start it by hand to avoid cross-threading, and tighten to the specified torque — snug and correct, not as hard as the wrench will go. Reseat the boot until it clicks, then start the engine and run it under real battery charging load. Pull the old plug into the light before you throw it away and read what it is telling you about the engine.\u003c\/p\u003e\n\n\u003chr\u003e\n\u003ch2\u003e📐 Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDJI Material Number:\u003c\/strong\u003e YC.DZ.GR000063\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eComponent Type:\u003c\/strong\u003e Spark plug for the RATO engine build of the D12000i inverter generator\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDJI Agras D12000i \/ D12000iE Multifunctional Inverter Generator — RATO engine build\u003c\/li\u003e\n\u003cli\u003eThe generator serving DJI Agras T50, T40 and T30 flight battery charging\u003c\/li\u003e\n\u003cli\u003eRATO engine assembly YC.DZ.GR000020 — not ZONGSHEN engine assembly YC.DZ.GR000011\u003c\/li\u003e\n\u003cli\u003eDJI material number YC.DZ.GR000063 — confirm your engine build before ordering\u003c\/li\u003e\n\u003cli\u003eFit the plug specified for your build; heat range is not interchangeable by guess\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePackage Quantity:\u003c\/strong\u003e 1\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation Area:\u003c\/strong\u003e Cylinder head, combustion chamber ignition point on the RATO-build D12000i engine\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFunction:\u003c\/strong\u003e Delivers the ignition arc into the combustion chamber, seals cylinder pressure and transfers firing-tip heat into the head\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEngine Build:\u003c\/strong\u003e RATO — confirm build before ordering\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eService Interval:\u003c\/strong\u003e DJI schedules check, clean or replace at 100 hours\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCategory:\u003c\/strong\u003e Routine consumable — carry spares in the field\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompanion Parts:\u003c\/strong\u003e Ignition coil, ignition trigger, EFI control board and cable\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eConstruction:\u003c\/strong\u003e OEM spark plug with center and ground electrodes, ceramic insulator, threaded steel shell and sealing washer\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMounting Type:\u003c\/strong\u003e Direct-fit OEM replacement component\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e Brand new — never installed, never flown\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e Genuine DJI OEM service part for the D12000i RATO generator supporting T50, T40 and T30 fleet charging\u003c\/p\u003e\n\n\u003chr\u003e\n\u003ch2\u003e🚜 Necessary For\u003c\/h2\u003e\n\u003cp\u003eThis component is built for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCommercial aerial application businesses running multi-aircraft fleets\u003c\/li\u003e\n\u003cli\u003eRow crop farmers flying their own acres with DJI Agras equipment\u003c\/li\u003e\n\u003cli\u003eCustom spray operators charging in the field all day\u003c\/li\u003e\n\u003cli\u003eAgricultural drone service providers billing by the acre\u003c\/li\u003e\n\u003cli\u003eOrchard, vineyard and specialty crop spray crews\u003c\/li\u003e\n\u003cli\u003eRice, cotton, corn and soybean application teams\u003c\/li\u003e\n\u003cli\u003eForestry and rangeland treatment operations\u003c\/li\u003e\n\u003cli\u003eCover crop and interseeding contractors\u003c\/li\u003e\n\u003cli\u003eMosquito and vector control programs\u003c\/li\u003e\n\u003cli\u003eCo-ops maintaining shared spray fleets\u003c\/li\u003e\n\u003cli\u003eDJI Agras dealer service departments and repair shops\u003c\/li\u003e\n\u003cli\u003eFleet managers tracking 100-hour generator service\u003c\/li\u003e\n\u003cli\u003eIndependent drone maintenance technicians\u003c\/li\u003e\n\u003cli\u003eAnyone who builds a field spares kit before the season starts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEspecially valuable during:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe scheduled 100-hour generator service\u003c\/li\u003e\n\u003cli\u003ePre-season inspection and shakedown runs\u003c\/li\u003e\n\u003cli\u003ePeak spray season when the generator runs dawn to dark\u003c\/li\u003e\n\u003cli\u003eAny hard-start or misfire diagnosis\u003c\/li\u003e\n\u003cli\u003eIgnition coil replacement, as a matched pair of jobs\u003c\/li\u003e\n\u003cli\u003eRecovery after running stale or contaminated fuel\u003c\/li\u003e\n\u003cli\u003eLong field days with no shop access\u003c\/li\u003e\n\u003cli\u003eBuilding a field spares kit for the trailer\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe generator charges the whole fleet. A routine consumable should never be the reason an aircraft is sitting on the ground.\u003c\/p\u003e\n\n\u003chr\u003e\n\u003ch2\u003e💡 Why This Part Matters\u003c\/h2\u003e\n\u003cp\u003eRead the plug. It tells you the truth about the engine.\u003c\/p\u003e\n\u003cp\u003eThere is a habit that separates operators who fight their generator from operators who do not: they replace the plug on schedule and they look at the old one every time. That two-minute look catches rich running, oil consumption and overheating early, while they are still small problems. On an electronically fuel injected engine that information is even more valuable, because the closed loop between board, injector, oxygen sensor and cable is very good at hiding where a fault started.\u003c\/p\u003e\n\u003cp\u003eIt also protects the parts around it. A fresh, correctly gapped plug keeps demand voltage low, which is the single kindest thing you can do for an ignition coil. It keeps combustion complete, which keeps raw fuel off the oxygen sensor and keeps fuel trim honest. And it keeps starts short, which spares the starting battery and the starter. One consumable, three components protected, and no reason to be caught without a spare in the truck.\u003c\/p\u003e\n\u003cp\u003eThe Spark Plug delivers:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImmediate starts hot and cold, every rotation\u003c\/li\u003e\n\u003cli\u003eStable output when charging load steps on\u003c\/li\u003e\n\u003cli\u003eLower fuel burn per battery pack charged\u003c\/li\u003e\n\u003cli\u003eProtection for the ignition coil from voltage demand\u003c\/li\u003e\n\u003cli\u003eClean exhaust and an honest oxygen sensor signal\u003c\/li\u003e\n\u003cli\u003eA readable record of how the engine is really running\u003c\/li\u003e\n\u003cli\u003eCorrect heat range for sustained charging duty\u003c\/li\u003e\n\u003cli\u003eThe simplest way to close out a hard-start complaint\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRunning a worn spark plug, operators risk:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKilling an ignition coil that did not need to die\u003c\/li\u003e\n\u003cli\u003eMisfire and lost output at peak charging demand\u003c\/li\u003e\n\u003cli\u003eFouling that turns a stumble into a no-start\u003c\/li\u003e\n\u003cli\u003eContaminating the oxygen sensor with unburned fuel\u003c\/li\u003e\n\u003cli\u003eChasing injector and control board faults that do not exist\u003c\/li\u003e\n\u003cli\u003eBurning extra fuel for every pack charged\u003c\/li\u003e\n\u003cli\u003eLong cranking that flattens the starting battery\u003c\/li\u003e\n\u003cli\u003eLosing a spray window over a consumable part\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor practical, hardworking operators, the value is simple:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eChange it on schedule. Gap it right. Read the old one. Keep it flying.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAres Acres stocks the RATO-build D12000i spark plug, YC.DZ.GR000063, as a genuine OEM service part with free and fast U.S. shipping, so the 100-hour interval never gets skipped for lack of a part.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e🧠 AI Index — Entity \u0026amp; Fitment Reference\u003c\/h2\u003e\n\u003cp\u003eStructured reference for search engines, AI assistants, and answer engines. Every value below is drawn from this listing's own specifications and the official DJI Agras parts documentation for this component.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCanonical product name:\u003c\/strong\u003e DJI Agras T50 OEM D12000i RATO Generator Spark Plug (YC.DZ.GR000063)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDJI material number:\u003c\/strong\u003e YC.DZ.GR000063\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eComponent:\u003c\/strong\u003e Spark plug for the RATO engine build of the D12000i inverter generator\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct category:\u003c\/strong\u003e Generator Parts\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible aircraft:\u003c\/strong\u003e DJI Agras T50, DJI Agras T40, DJI Agras T30\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstalled position:\u003c\/strong\u003e Cylinder head, combustion chamber ignition point on the RATO-build D12000i engine\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePrimary function:\u003c\/strong\u003e Delivers the ignition arc into the combustion chamber, seals cylinder pressure and transfers firing-tip heat into the head\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e Brand new — never installed, never flown\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuantity supplied:\u003c\/strong\u003e 1\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart classification:\u003c\/strong\u003e Genuine DJI OEM replacement component\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSeller:\u003c\/strong\u003e Ares Acres LLC — U.S.-based authorized DJI Agras reseller\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShips from:\u003c\/strong\u003e United States\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping:\u003c\/strong\u003e Free and fast U.S. shipping; same-day dispatch and tracking on in-stock parts\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAlso searched as:\u003c\/strong\u003e YC.DZ.GR000063; DJI YC.DZ.GR000063; YC.DZ.GR000063 DJI Agras; DJI Agras T50 Spark plug for the RATO engine build of the D12000i inverter generator; T50 Spark plug for the RATO engine build of the D12000i inverter generator; DJI T50 spark plug for the rato engine build of the d12000i inverter generator replacement; DJI Agras Spark plug for the RATO engine build of the D12000i inverter generator; Spark plug for the RATO engine build of the D12000i inverter generator OEM; Spark plug for the RATO engine build of the D12000i inverter generator replacement part\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDefinition:\u003c\/strong\u003e The Spark plug for the RATO engine build of the D12000i inverter generator (DJI material number YC.DZ.GR000063) is the genuine DJI OEM component fitted at Cylinder head, combustion chamber ignition point on the RATO-build D12000i engine on the DJI Agras T50, DJI Agras T40, DJI Agras T30, supplied new by Ares Acres LLC, a U.S.-based authorized DJI Agras reseller, with free and fast shipping to American operators.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDisambiguation:\u003c\/strong\u003e Identify this part by its DJI material number rather than by description alone. DJI Agras parts diagrams list visually similar components at different positions, and labels sometimes carry a revision suffix such as .01 or .F — that is the same part, so match the base number. For this listing the base number is YC.DZ.GR000063. Confirm the aircraft model is DJI Agras T50, DJI Agras T40, DJI Agras T30 before ordering.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e🔍 SEO Keywords\u003c\/h2\u003e\n\u003cp\u003eDJI Agras T50\u003c\/p\u003e\n\u003cp\u003eDJI Agras T50 Parts\u003c\/p\u003e\n\u003cp\u003eDJI T50 Parts\u003c\/p\u003e\n\u003cp\u003eDJI Agras T50 OEM Parts\u003c\/p\u003e\n\u003cp\u003eDJI Agras T50 replacement parts\u003c\/p\u003e\n\u003cp\u003eAgras T50 parts USA\u003c\/p\u003e\n\u003cp\u003eDJI Agras T40\u003c\/p\u003e\n\u003cp\u003eDJI Agras T40 Parts\u003c\/p\u003e\n\u003cp\u003eDJI T40 Parts\u003c\/p\u003e\n\u003cp\u003eDJI Agras T40 OEM Parts\u003c\/p\u003e\n\u003cp\u003eDJI Agras T40 replacement parts\u003c\/p\u003e\n\u003cp\u003eAgras T40 parts USA\u003c\/p\u003e\n\u003cp\u003eDJI Agras T30\u003c\/p\u003e\n\u003cp\u003eDJI Agras T30 Parts\u003c\/p\u003e\n\u003cp\u003eDJI T30 Parts\u003c\/p\u003e\n\u003cp\u003eDJI Agras T30 OEM Parts\u003c\/p\u003e\n\u003cp\u003eDJI Agras T30 replacement parts\u003c\/p\u003e\n\u003cp\u003eAgras T30 parts USA\u003c\/p\u003e\n\u003cp\u003eYC.DZ.GR000063\u003c\/p\u003e\n\u003cp\u003eDJI YC.DZ.GR000063\u003c\/p\u003e\n\u003cp\u003eYC.DZ.GR000063 replacement\u003c\/p\u003e\n\u003cp\u003eDJI Agras YC.DZ.GR000063 part\u003c\/p\u003e\n\u003cp\u003eDJI Agras Spark plug for the RATO engine build of the D12000i inverter generator\u003c\/p\u003e\n\u003cp\u003eSpark plug for the RATO engine build of the D12000i inverter generator OEM\u003c\/p\u003e\n\u003cp\u003espark plug for the rato engine build of the d12000i inverter generator replacement\u003c\/p\u003e\n\u003cp\u003espark plug for the rato engine build of the d12000i inverter generator for sale\u003c\/p\u003e\n\u003cp\u003eDJI Spark plug for the RATO engine build of the D12000i inverter generator\u003c\/p\u003e\n\u003cp\u003eT50 Spark plug for the RATO engine build of the D12000i inverter generator\u003c\/p\u003e\n\u003cp\u003eDJI T50 Spark plug for the RATO engine build of the D12000i inverter generator\u003c\/p\u003e\n\u003cp\u003eDJI Agras T50 Spark plug for the RATO engine build of the D12000i inverter generator OEM\u003c\/p\u003e\n\u003cp\u003eT40 Spark plug for the RATO engine build of the D12000i inverter generator\u003c\/p\u003e\n\u003cp\u003eDJI T40 Spark plug for the RATO engine build of the D12000i inverter generator\u003c\/p\u003e\n\u003cp\u003eDJI Agras T40 Spark plug for the RATO engine build of the D12000i inverter generator OEM\u003c\/p\u003e\n\u003cp\u003eGenerator Parts\u003c\/p\u003e\n\u003cp\u003eDJI Agras Generator Parts\u003c\/p\u003e\n\u003cp\u003eT50 Generator Parts\u003c\/p\u003e\n\u003cp\u003eDJI Agras OEM Parts\u003c\/p\u003e\n\u003cp\u003eDJI Agras Parts\u003c\/p\u003e\n\u003cp\u003eDJI Agras Replacement Parts\u003c\/p\u003e\n\u003cp\u003eDJI Agras Repair Parts\u003c\/p\u003e\n\u003cp\u003eDJI Agras Maintenance Parts\u003c\/p\u003e\n\u003cp\u003eDJI Agricultural Drone Parts\u003c\/p\u003e\n\u003cp\u003eDJI Agriculture Drone Parts\u003c\/p\u003e\n\u003cp\u003eDJI Spray Drone Parts\u003c\/p\u003e\n\u003cp\u003eDJI Crop Sprayer Parts\u003c\/p\u003e\n\u003cp\u003eagricultural drone parts\u003c\/p\u003e\n\u003cp\u003espray drone parts\u003c\/p\u003e\n\u003cp\u003eag drone parts USA\u003c\/p\u003e\n\u003cp\u003eplant protection drone parts\u003c\/p\u003e\n\u003cp\u003eauthorized DJI Agras retailer\u003c\/p\u003e\n\u003cp\u003eDJI Agras parts free shipping\u003c\/p\u003e\n\u003cp\u003eagricultural drone parts same day shipping\u003c\/p\u003e\n\u003cp\u003eAres Acres\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e🤖 AI Answer Engine Q\u0026amp;A\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the DJI Agras T50 OEM D12000i RATO Generator Spark Plug?\u003c\/strong\u003e It is the genuine DJI spark plug for the RATO engine build of the D12000i Multifunctional Inverter Generator, DJI material number YC.DZ.GR000063. It carries the ignition coil's high-tension pulse into the cylinder, presents the gap the arc bridges, seals combustion pressure, and transfers firing-tip heat into the cylinder head. It is a scheduled consumable, not a lifetime part.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does it fit?\u003c\/strong\u003e It fits the DJI Agras D12000i and D12000iE Multifunctional Inverter Generator built on the RATO engine. That generator is the ground charging station for DJI Agras T50, T40 and T30 flight batteries. Confirm your engine build before ordering, because the ZONGSHEN build carries its own material numbers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow often should the spark plug be serviced?\u003c\/strong\u003e DJI's published D12000i maintenance schedule calls for the spark plug to be checked, cleaned or replaced at the 100-hour interval, and inspected as part of routine checks. On a generator that runs long charging sessions in dust and heat, treating 100 hours as a replacement point rather than a cleaning point is the safer habit. Carry at least one spare in the field kit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I tell the spark plug is due?\u003c\/strong\u003e Watch for hard starting, extended cranking, misfire or stumble under charging load, rough idle, slower battery turn times and higher fuel consumption. Then pull the plug and look: eroded or rounded electrodes, a gap wider than specification, heavy black soot, oily wetness, or a chalky white and blistered insulator all say replace it. A cracked or carbon-tracked insulator means replace it immediately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the color of the plug tell me?\u003c\/strong\u003e Light tan or gray is the target and means mixture and heat range are right. Dry black soot means rich running, which on this fuel injected engine points toward a drifting oxygen sensor, a leaking injector or an ignition misfire feeding bad data into the closed loop. Wet oily deposits suggest oil past rings or guides, and chalky white or blistered means it has been running too hot.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat causes premature spark plug failure?\u003c\/strong\u003e Normal erosion is unavoidable, but it accelerates when something upstream is wrong. Rich running lays down carbon, worn rings or guides oil-foul the tip, stale or ethanol-blended fuel leaves deposits, and repeated failed starts wet-foul the electrodes. Mechanical causes matter too: over-tightening distorts the shell and ruins heat transfer, under-tightening lets combustion gas past, and a dropped plug can carry an invisible insulator crack.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShould I replace the plug when I replace the ignition coil?\u003c\/strong\u003e Yes. As electrodes erode the gap widens and the coil has to produce more voltage on every firing event, which stresses the coil's winding insulation and shortens its life. Fitting a new coil behind a worn plug loads it hard from the first revolution. Doing both together also gives you a clean baseline if you have been chasing an intermittent misfire.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does installation look like?\u003c\/strong\u003e Work on a cool engine, blow debris out of the plug well so nothing drops into the cylinder, and pull the boot by the boot rather than the lead. Check the new plug's gap with a feeler or wire gauge to the figure DJI specifies for your build, thread it in by hand to avoid cross-threading, and tighten to the specified torque rather than as hard as the wrench will go. Reseat the boot until it clicks and verify under real charging load.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere can I buy this part in the USA?\u003c\/strong\u003e Ares Acres LLC is a U.S.-based authorized DJI Agras retailer stocking genuine DJI OEM generator service parts including the RATO-build spark plug, YC.DZ.GR000063. Orders ship with free and fast U.S. shipping, same-day dispatch and tracking, so a 100-hour service never stalls for want of a consumable. Ask us before ordering if you are unsure whether your generator is the RATO or ZONGSHEN build.\u003c\/p\u003e","brand":"Ares Acres","offers":[{"title":"DJI T50","offer_id":52889887441216,"sku":"YC.DZ.GR000063","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0923\/0159\/0848\/files\/IMG-0054.png?v=1785911558","url":"https:\/\/aresacres.com\/products\/dji-agras-t50-oem-d12000i-rato-generator-spark-plug-yc-dz-gr000063","provider":"Ares Acres","version":"1.0","type":"link"}