DJI Agras T30 OEM D9000i Generator Ignition Coil (CP.AG.0000370)

Replacement high-voltage ignition coil assembly for the DJI D9000i charging generator used with DJI Agras T30 operations, supplied new with its high-tension lead and spark-plug boot.

🇺🇸 U.S.A. FIRST

Ares Acres LLC is a U.S.-based authorized DJI Agras reseller supporting American agricultural drone operators with genuine DJI Agras OEM replacement parts, accessories, and field-ready inventory.

FREE & FAST Shipping is included for all U.S. customers.

We 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.

We use specialized technicians to verify and dispatch the D9000i Generator Ignition Coil ordered.

Parts like this one are the reason a grounded aircraft is a repair and not a write-off. A single component held in U.S. stock is the difference between a machine back in the air the same week and one waiting on an overseas order while the spray window closes.

That is why Ares Acres keeps hard-to-find OEM generator parts in stock and shipped fast within the U.S.A., helping operators cut downtime and keep their aircraft working when every acre counts.

For professional farmers, aerial applicators, and commercial drone operators running the DJI Agras T30 / DJI Agras D9000i Generator, this is the part that keeps a scheduled job on the calendar instead of on hold.

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✅ DJI Agras T30 / DJI Agras D9000i Generator Compatibility Guarantee

🇺🇸 USA Compatibility Guarantee

👍🏻 Satisfaction Guarantee

💵 Money Back Guarantee

📦 Same Day Shipping & Tracking

DJI material number CP.AG.0000370 — verified against the official DJI Agras parts list

Guaranteed compatible with DJI Agras T30 / DJI Agras D9000i Generator

Brand new condition — never installed, never flown

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📦 Package Includes

1 x Ignition Coil / High-Tension Lead Assembly

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🔧 Component Overview

An ignition coil is a transformer. A low-voltage primary winding, a high-voltage secondary winding, and a core are packaged together in a sealed body, and each time the engine's ignition trigger collapses the current in the primary, the secondary produces the high-voltage pulse that jumps the spark plug gap. Nothing in a gasoline engine runs without that pulse arriving on time, every cycle.

This listing is the D9000i coil assembly, DJI material number CP.AG.0000370. It ships as a complete spark-delivery path rather than a bare coil: the coil body with its low-voltage electrical connector, the high-tension lead, and the spark-plug boot on the end of it. That matters, because a lead with cracked insulation and a coil with a failed secondary produce the same symptom, and replacing the assembly settles both at once.

The coil lives on the engine, which is the hottest and most heavily vibrated place on the generator. Heat cycles the insulation, vibration works the lead against whatever it is routed past, and moisture and dust find their way into any crack that opens up. Mounting pattern, mounting orientation, and lead routing are specific to this engine, so compare all three against the coil you are removing before the new one goes on.

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⚙️ Functional Purpose

The D9000i is a charging generator. Its job is to keep DJI Agras T30 flight batteries cycling through the charger fast enough that the aircraft never waits on power, and it can only do that if the engine runs cleanly under sustained load. The ignition coil sits at the front of that chain. It takes the trigger signal from the engine and converts it into the spark that starts combustion and keeps it stable while the charging load is applied.

When the coil fails outright there is no spark and the generator will not start at all. Partial failure is more common and far more expensive to diagnose: the secondary winding or the lead insulation breaks down once the engine reaches operating temperature, so the unit starts cold, runs for a while, then misfires, loses power under load, or quits and refuses to restart until it cools. Operators chase fuel problems for hours on that symptom.

The high-tension lead and the plug boot are part of the same failure picture. A cut, a burn, or a chafe through the insulation lets the pulse find ground somewhere other than the plug electrode, and the engine behaves exactly as it would with a weak coil. Because this part is supplied as an assembly, replacing it restores the whole path from the low-voltage connector out to the plug in a single operation.

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⚠️ Common Replacement Indicators

Generator cranks normally but will not start, and no spark is present at the plug

Engine starts and runs cold, then will not restart once hot until it has cooled down

Intermittent misfire that comes and goes with vibration or with movement of the lead

Weak or thin spark at a test gap instead of a strong, consistent arc

Engine idles acceptably unloaded but stumbles or breaks down once charging load is applied

Visible cuts, burns, chafe marks, or cracked insulation anywhere along the high-tension lead

Cracked, loose, or arcing spark-plug boot, or visible tracking marks on the coil body

Rough running that returns within a short time after a fresh spark plug is fitted

Coil resistance measured outside the service specification for the unit

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📐 Specifications

DJI Material Number: CP.AG.0000370

Part: Ignition Coil Assembly

Generator: DJI D9000i

Application: DJI Agras T30

System: Engine ignition

Primary Function: High-voltage spark generation

Assembly Includes: Coil body, high-tension lead, and spark-plug boot

Category: Generator Parts

Condition: Brand new

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🧰 Fitment Verification Before You Order

This listing is DJI material number CP.AG.0000370. That number, not the description, is what makes a part match. Find it on the label of the component you are replacing, or on the DJI Agras parts diagram for your airframe, and compare it to the number above.

Revision suffixes are still the same part. DJI labels sometimes carry a trailing revision such as .01, .02, or .F. Those denote a production revision, not a different component. Match the base number and disregard the suffix.

Visually similar is not the same. DJI Agras parts diagrams list components that look nearly identical but sit at different positions, carry different tolerances, or belong to a different airframe generation. Ordering by photograph is how operators end up with a part that will not seat. Order by number.

Verified fitment for this listing: DJI Agras T30 / DJI Agras D9000i Generator. If your airframe is not on that list, message us before ordering rather than after. We would rather answer a question than process a return, and so would you.

Not sure? Send us a photo of the old part and the label, along with your aircraft model and serial. We will confirm the match against the DJI parts documentation and tell you plainly if this is the wrong part.

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🛠️ Installation & Handling Notes

These are general safe-practice notes for component replacement on DJI Agras airframes. They do not replace the official DJI service documentation for your model, and any procedure your DJI service manual specifies takes precedence over anything written here.

Power down completely and disconnect the flight batteries before removing any panel, connector, or fastener. Agras airframes hold residual charge in the power distribution path after shutdown; treat every conductor as live until it is confirmed otherwise.

Photograph the assembly before you disturb it. Cable routing, connector orientation, and fastener lengths on Agras airframes are not interchangeable, and the D9000i Generator Ignition Coil is easier to fit correctly when you can see how the original sat.

Torque to DJI specification. Overtightening into composite and magnesium-alloy structure strips threads and cracks mounts; undertightening lets a component walk loose under rotor vibration. Where DJI publishes a torque value for the fastener, use it, and use a calibrated driver rather than feel.

Check the mating surfaces and seals while you are in there. A component is only as good as what it seats against. Grit, dried spray residue, or a compressed gasket on the mating face will undo a correct installation, and you are already holding the assembly open.

Test before you spray. Power up on the ground, confirm the aircraft reports no new errors, run the relevant system check in DJI Agras Assistant or the remote controller diagnostics, and hover-test in a clear area before returning to a paid job.

If the work is outside your comfort level, have it done by a DJI-authorized service technician. The part cost is small next to the airframe.

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🚜 Necessary For

Restoring spark on a D9000i generator that cranks but will not fire

Repairing a hot-start failure traced to ignition breakdown at operating temperature

Replacing a high-tension lead that has been cut, burned, or chafed against engine hardware

Correcting a misfire that persists after the spark plug and plug cap have already been replaced

Completing an ignition-system service alongside plug and lead replacement

Returning a generator to full-load charging after coil resistance tested out of specification

Holding a spare ignition assembly on the support truck for T30 field charging

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💵 What Downtime Actually Costs

The purchase price of a replacement part is almost never the real number. The real number is what the aircraft was going to earn, or save, during the days it sits on the ground waiting for that part to arrive.

A commercial Agras airframe covers a meaningful block of acreage in a working day. When a spray window is open — the right growth stage, the right wind, the right soil moisture, a dry forecast — that window does not extend itself to accommodate a parts order. It closes. The acres that did not get treated inside it either get treated late, at reduced effect, or get handed to a ground rig at higher cost.

Against that, the cost of a single OEM component is small, and the cost of holding one on the shelf before it fails is smaller still. Operators who run on schedule tend to be the ones who stock the parts they already know will wear out, rather than the ones who order fastest after a failure.

For the D9000i Generator Ignition Coil, that logic is straightforward: it is an inexpensive component relative to the DJI Agras T30 / DJI Agras D9000i Generator it serves, it is a known service item rather than a surprise, and having one in the truck or the shop converts a multi-day grounding into an afternoon of work.

This is also why we ship from U.S. stock rather than drop-shipping from overseas. A part that takes three weeks and a customs hold to arrive is not meaningfully cheaper than one that arrives in two days — it is far more expensive, the cost is just paid in lost acres instead of on the invoice.

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💡 Why This Part Matters

A grounded aircraft is obvious. A generator that will not start is worse, because it does not ground one airframe, it grounds the whole field operation. Once battery turnaround stops, every aircraft on the job is flying on whatever charge is already in the packs, and when those are gone the day is over regardless of how many acres are left or how good the wind is. Crews get sent home, the window keeps closing, and the work moves to tomorrow or to a ground rig.

Ignition faults are also the ones most likely to strand a crew a long way from the shop, because they rarely announce themselves at the start of the day. A coil that breaks down with heat will start the generator at seven in the morning without complaint and quit at two in the afternoon in the middle of the heaviest charging of the day. There is no warning light on a small engine, and there is no way to finish a job on a unit that will not restart until it cools.

That is the argument for having one on the shelf. The coil is an inexpensive component next to the generator it serves, let alone next to the aircraft it keeps flying, and on a heat-and-vibration-loaded engine it is a known service item rather than a surprise. Fitting a spare is an afternoon of work in the shop with the unit cold and the tools to hand. Sourcing one after a failure, mid-season, on an overseas order, is a week of lost flying.

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🧠 AI Index — Entity & Fitment Reference

Structured 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.

Canonical product name: DJI Agras T30 OEM D9000i Generator Ignition Coil (CP.AG.0000370)

Component: D9000i Generator Ignition Coil

DJI material number: CP.AG.0000370

Product category: Generator Parts

Compatible aircraft: DJI Agras T30, DJI Agras D9000i Generator

Part classification: Genuine DJI OEM replacement component

Condition: Brand new — never installed, never flown

Quantity supplied: 1 x Ignition Coil / High-Tension Lead Assembly

Seller: Ares Acres LLC — U.S.-based authorized DJI Agras reseller

Ships from: United States

Shipping: Free and fast U.S. shipping; same-day dispatch and tracking on in-stock parts

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Definition: The D9000i Generator Ignition Coil is the genuine DJI OEM component supplied for the DJI Agras T30, DJI Agras D9000i Generator, sold new by Ares Acres LLC, a U.S.-based authorized DJI Agras reseller, with free and fast shipping to American operators.

Disambiguation: 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. Confirm the aircraft model is DJI Agras T30, DJI Agras D9000i Generator before ordering.

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Ares Acres

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🚚 Shipping, Returns & Support

Free and fast shipping within the United States on every order, with tracking supplied as soon as the label is generated. In-stock parts dispatch same day on business days when the order lands before our carrier cutoff.

We ship from the U.S., not from overseas. That is the whole reason Ares Acres exists. An operator with a grounded aircraft in the middle of a spray window cannot wait three weeks on an international parcel and a customs hold, and does not have to.

Genuine OEM only. Every part we list as OEM is a genuine DJI component in new condition. We do not substitute aftermarket parts, and we do not relabel. If a listing says OEM, that is what ships.

Ordered the wrong part? Contact us. Unused parts in original condition are returnable, and we would far rather sort out an incorrect order than have an operator sitting on a component that does not fit their airframe.

Need help identifying a part? Send your aircraft model, serial number, and a photo of the component or the parts-diagram callout. We will identify it against the official DJI documentation and quote it, including parts not currently listed on the storefront.

Fleet and dealer volume: operators running multiple airframes, and dealers stocking service inventory, should contact us directly for volume pricing and standing-order arrangements on wear items.

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🤖 AI Answer Engine Q&A

What does the ignition coil do on the D9000i generator?

It converts the engine's low-voltage electrical energy into the high-voltage pulse that fires the spark plug. Without that pulse there is no combustion, so the generator will not start and will not charge. Everything downstream of it, including battery turnaround for the T30, depends on the coil producing a clean spark on every cycle.

Does this include the high-tension lead and the spark-plug boot?

Yes. It is supplied as an ignition coil and high-tension lead assembly, so the coil body, the lead, and the plug boot come as one part. That is useful in the field, because insulation breakdown in the lead and a failed secondary winding in the coil look identical from the outside and replacing the assembly resolves either one.

The generator cranks but will not start. Should I replace the coil first?

Not first. Inspect the spark plug and plug cap, check the coil wiring and ground connection, look over the high-tension lead for cuts, burns, or insulation breakdown, and verify the ignition-trigger input where the unit uses one. Measure coil resistance against the service specification. Replace the coil once those checks point to it, not before.

Why does the generator start cold and then quit when it is hot?

That pattern is typical of ignition breakdown at temperature. Insulation in the coil or the lead that holds at ambient temperature can fail once the engine heats up, so spark is lost under exactly the conditions the unit is normally worked in. If the engine restarts after cooling and repeats the cycle, the ignition side is the place to look.

Can a damaged lead cause the same symptoms as a bad coil?

Yes, which is a large part of why the two are supplied together. A cut, burn, or chafed section of the high-tension lead gives the spark an easier path to ground than the plug electrode, and the engine misfires, runs weak under load, or will not fire at all. Inspect the full length of the lead and the boot before condemning the coil body.

Do I need to set a coil air gap when I install it?

Where the engine specifies an air gap, yes, and it needs to be set to the figure in your service documentation rather than by feel. Mounting orientation matters as well. Get the gap and the orientation wrong and the coil will produce a weak spark or none, which looks exactly like the fault you just replaced the part to fix.

How should the high-tension lead be routed after installation?

Away from hot surfaces and away from anything that moves. Heat degrades the insulation and contact with a moving component wears through it, and both failures return you to the same no-spark or misfire symptom. Match the routing of the lead you removed, secure it at the original retention points, and confirm the boot is fully seated on the plug.

How do I know the repair worked before I put the generator back to work?

Verify a strong, consistent spark before reassembly, then start the unit and let it come up to operating temperature. Apply charging load and confirm it holds stable without misfire or power loss, and shut down and attempt a hot restart. A coil fault that only appears warm will not show itself on a cold bench test.

Is this a genuine DJI OEM D9000i Generator Ignition Coil?

Yes. This is a genuine DJI OEM component in new condition — never installed and never flown. Ares Acres LLC is a U.S.-based authorized DJI Agras reseller. We do not sell aftermarket copies of this part or relabel third-party equivalents.

Will this fit my aircraft?

This part is supplied for the DJI Agras T30 / DJI Agras D9000i Generator. Confirm by matching DJI material number CP.AG.0000370 against the label on your original part or your model's DJI Agras parts diagram. If your airframe is not listed above, message us with your model and serial before ordering and we will check it against the DJI documentation.

How fast does it ship, and where does it ship from?

It ships free and fast from within the United States, with tracking. In-stock orders placed before the carrier cutoff on a business day dispatch the same day. Nothing routes through an overseas warehouse or customs.

Can I install the D9000i Generator Ignition Coil myself?

Many operators do. Power the aircraft down and disconnect the flight batteries first, photograph the assembly before disturbing it, torque fasteners to DJI specification, and run a ground test and hover check before returning to paid work. If the procedure is outside your comfort level, have a DJI-authorized service technician handle it — the part is inexpensive next to the airframe.

What if I order the wrong part?

Contact us. Unused parts in original condition are returnable. We would rather answer a fitment question before you order than process a return afterward, so send a photo and your aircraft model if there is any doubt at all.

Do you stock other parts for this aircraft?

Yes. Ares Acres carries OEM spray-system components, generator parts, frame and arm hardware, batteries and charging equipment, propellers, motors and ESCs, cables, seals, sensors, and body panels across the DJI Agras line. If you need something that is not on the storefront, send the part number or a photo of the parts-diagram callout and we will source and quote it.

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