DJI Agras T100 OEM RTK Rubber Ring (YC.JG.MY001898)

DJI Agras T100 OEM RTK Rubber Ring — OEM sealing component, RTK module protection, and vibration dampening for the DJI Agras T100 and DJI T70P. | DJI Material Number YC.JG.MY001898

DJI Material Number YC.JG.MY001898 — this is the official DJI part number for this exact component. Match it to your parts diagram or the label on the original part to confirm fitment; factory labels may carry a revision suffix, which is the same part.

🇺🇸 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 RTK Rubber Ring 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 rtk & antennas 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 T100 / DJI Agras T70P, this is the part that keeps a scheduled job on the calendar instead of on hold.

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✅ DJI Agras T100 Compatibility Guarantee

• 🇺🇸 USA Compatibility Guarantee
• 👍🏻 Satisfaction Guarantee
• 💵 Money Back Guarantee
• 📦 Same Day Shipping & Tracking
• Guaranteed compatible with DJI Agras T100 / T70P

📦 Package Includes

• 1 × DJI Agras Original RTK Rubber Ring (T100 / T70P compatible)
• OEM protective packaging

🔧 Component Overview

The DJI Agras T100 / T70P Original RTK Rubber Ring is a precision sealing and cushioning component designed for the RTK (Real-Time Kinematic) positioning module.

This OEM DJI-spec rubber ring provides a secure seal while absorbing vibration and environmental stress around the RTK assembly. It helps maintain positioning accuracy by stabilizing the module and protecting it from dust, moisture, and mechanical shock.

A worn or degraded rubber ring can compromise the integrity of the RTK housing, leading to reduced positioning accuracy, signal instability, or long-term damage to sensitive GNSS components.

This is a protective and performance-critical component, not just a simple seal.

Exposures that degrade sealing rubber over time:

• UV exposure across long field days
• Agrochemical contact and washdown cycles
• Temperature swings that harden rubber compounds
• Continuous airframe vibration
• Compression set from years in service

Separate a sealing fault from an electrical one by what the trouble tracks with. A seal problem follows water and time: accuracy that is worse the morning after rain, worse after a washdown, worse on a heavy dew, and slowly worse across a season. A cable or connector fault follows movement instead, appearing under vibration and clearing when the aircraft is parked. A correction or sky view problem follows place and time of day, and it affects every aircraft on the job rather than only this one.

Read the old ring before you throw it away. Lift the module straight off and look for the compression witness line, which should run unbroken the whole way around both the ring and the face it sat against. Where that line fades, narrows, or disappears, the ring was not touching, and that is where water went in. Cross-check it against the inside of the housing, because a clean track through the dust film or a stain running downhill from one point usually names the same spot.

Three quick tests tell you the state of the compound. Roll the ring between finger and thumb: a healthy one is round in section and springs back, while one that has taken a set holds a flat side and stays there. Bend a short length into a tight loop and look along the outer curve for crazing or fine cracks, which means it has hardened. Then feel it, because a ring that is soft, tacky, or noticeably fatter than its groove has swollen on chemical and will extrude rather than seal.

Before blaming the ring, establish that water is even coming in there. Cable entries, the connector body, a cracked housing boss, and a fastener hole that breaks through into the cavity are all ingress paths, and a new ring closes none of them. Dry the housing completely, refit it, then wet only the seal line with a slow trickle from a bottle rather than a hose. Water that turns up inside after that is the ring. Water that turns up only after a full washdown is arriving somewhere else.

A ring that has gone hard stops doing its second job before it fails at its first. It no longer cushions the module against its mount, so airframe vibration goes straight into the housing and its fasteners. What an operator notices is hardware at that position that will not stay tight, fine dark fretting dust around the mating face, or a module that can be felt buzzing against its seat with a fingertip during runup. Those are reasons to change the ring even though nothing has leaked yet.

⚙️ Functional Purpose

The RTK rubber ring is designed to:

• Seal the RTK module against dust and moisture
• Absorb vibration and reduce mechanical stress
• Maintain stable positioning of the RTK unit
• Protect sensitive GNSS electronics from environmental exposure
• Support consistent high-precision positioning performance

Get the old ring out without damaging what seals against it. Never use a screwdriver, a knife, or a steel pick to lever it from the groove. One scratch across a sealing land will leak for the rest of the aircraft life no matter how good the replacement is. Roll the old ring up out of its groove with a thumb, or lift it clear with a wooden or plastic pick, and if it has bonded itself into the groove work it loose in stages rather than tearing it out.

Clean the groove properly, then inspect it. Every trace of old compound, dried spray mix, and grit has to come out, because a single grain trapped under a ring is a leak path that will not respond to more torque. Wipe the groove and the mating face dry, run a fingernail around both looking for nicks and burrs, and check the corners of the groove where residue hides. That face has to be clean, dry, and unscored before the new ring goes anywhere near it.

Fit the ring without stretching or twisting it. Ease it over any edge rather than dragging it, keep it clear of thread and fastener corners, and once it is in the groove run a finger the whole way around. It should lie flat, sit down in the groove for its entire circumference, and show no rolled or twisted section anywhere. A twist is the single most common reason a fresh seal leaks, and it becomes invisible the moment the module is back down on top of it.

If the DJI service documentation for your airframe calls for an assembly lubricant on this ring, use the product it names and use it sparingly. Do not substitute a petroleum based grease. Many sealing compounds swell and soften in mineral oil, so a ring greased with the wrong thing will be too large for its groove within weeks and will extrude the first time it is properly compressed. Where no lubricant is specified, fit it dry into a dry groove.

Draw the module down evenly and in stages, working across the fastener pattern rather than tightening one side at a time, so the ring compresses the same amount the whole way around. If a leak turns up afterwards, do not answer it with more torque. Over-compression pushes the elastomer out of its groove, and an extruded ring seals worse than a loose one and cannot recover. Take the joint apart, find the actual reason, and correct that instead.

⚠️ Common Replacement Indicators

• Cracking, hardening, or deformation of rubber material
• Loose or unstable RTK module fitment
• Reduced positioning accuracy or signal inconsistency
• Visible wear during maintenance inspection
• Evidence of dust or moisture ingress near RTK housing

Diagnostic note: if you find dust or moisture inside the RTK housing, replace the ring immediately and inspect the module for corrosion — a failed seal is a leading cause of gradual GNSS degradation that gets misread as antenna or firmware trouble.

Condensation that appears inside the housing on a cold morning and clears by afternoon means the seal is passing air even if liquid water has never been visible. The cavity breathes as it heats and cools, drawing damp air past a ring that no longer follows its groove. That is the stage at which to change it. Left alone, the same daily breathing cycle keeps depositing moisture on the module until corrosion shows up on connector pins and solder joints.

A ring that comes off flattened, hard, and permanently curved, and that does not spring back when squeezed, has taken compression set from heat and years of clamping. Set is the normal end of life for this part rather than a defect. What it means in practice is that the ring stopped following the small movements of the joint well before anyone noticed a symptom, so sealing had been marginal for considerably longer than the trouble suggests.

Ring material that comes out swollen, spongy, or slick to the touch has been attacked chemically rather than worn out mechanically. Surfactants, adjuvants, and some tank cleaners are harder on elastomers than the active ingredient is. If the ring is oversized and soft, look at what has been going through the machine and start rinsing the airframe rather than only flushing the tank, because the same exposure is working on every other seal on the aircraft.

Cracking that runs across the ring rather than along it, in a regular pattern of fine splits, is ozone and ultraviolet damage from daylight rather than mechanical wear. It appears first on whichever part of the ring was most stretched over its seat. An aircraft parked outdoors between jobs collects this damage while it is standing still, which is why a machine with very few hours on it can still need this ring replaced.

Fasteners at the module position that keep working loose, or a fine dark dust appearing around the mating face, say the ring has stopped damping. Fretting dust is metal moving against metal in very small amounts, and it only starts once the elastomer between the two faces has hardened or thinned. Retorquing the hardware fixes that for about a week. Replacing the ring fixes the reason the hardware was moving in the first place.

📐 Specifications

• DJI Material Number (SKU): YC.JG.MY001898
• Component Type: RTK module sealing ring / vibration dampener
• Material: DJI-spec high-durability rubber compound
• Compatibility: DJI Agras T100 / T70P
• Installation Area: RTK positioning module housing
• Function: Sealing, cushioning, and stabilization

🧰 Fitment Verification Before You Order

This listing is DJI material number YC.JG.MY001898. 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 T100 / DJI Agras T70P. 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 RTK Rubber Ring is easier to fit correctly when you can see how the original sat.

Observe ESD precautions. Ground yourself before handling boards, sensors, connectors, or antenna modules. Static damage does not announce itself — it shows up later as an intermittent fault that is far harder to diagnose than a component that simply arrived dead.

Seat every connector fully and restore the original strain relief. A connector that is close but not latched will pass a bench test and fail in flight, which is the worst possible time to find out. Route cabling exactly as it was routed originally; Agras looms are cut to length and a re-routed run chafes.

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

This component is essential inventory for:

• Operators requiring high-precision RTK positioning
• Farms performing precision agriculture operations
• Technicians maintaining RTK module integrity
• Repair teams addressing seal wear or positioning instability

While the module is off, deal with everything the same water touched. Look into the connector for bloom on the pins, check the cable entry seal and any grommet where the loom passes into the cavity, and inspect the housing boss and the groove itself for hairline cracks that open up under clamping. Dry the cavity thoroughly before it goes back together, because a sealed housing with damp air trapped inside it is a corrosion chamber rather than a repair.

Change the ring whenever the module comes off, not only when it has obviously failed. A used ring has already taken a set to the exact position it was clamped in, and it will not seat the same way twice. Measured against what a GNSS module costs, refitting an old ring to save the price of a new one is a poor trade, and it is the reason a great many second leaks look mysterious when they turn up a month after the first repair.

This is the part that lets an operator work a machine through weather, washdowns, and dew cycles without the positioning hardware quietly taking on water. It is what stands behind repeatable swath edges on repeat visits, a module that reaches a stable fix at the start of a job instead of making everyone wait, and positioning hardware that lasts its natural life rather than dying of corrosion.

💡 Why This Part Matters

RTK systems are critical for centimeter-level accuracy in agricultural operations. Even minor instability or exposure can degrade performance and impact mission results.

Replacing the RTK rubber ring:

• Preserves RTK signal accuracy and reliability
• Prevents environmental damage to sensitive components
• Reduces vibration-related positioning errors
• Maintains long-term performance of the RTK system

Professional operators maintain sealing components proactively to protect high-value positioning hardware.

After installation:

• Confirm the ring seats evenly with no pinching or twist
• Verify the RTK module sits firm with zero play in the housing
• Fly a test route and confirm stable FIX status and lane repeatability

Seal the module. Dampen the shake. Hold the FIX. Fly the exact line.

Rubber ages on a calendar as well as on an hour meter. Ozone, ultraviolet, heat, and plain oxidation keep working on the compound whether the aircraft flies or sits, which is why hours in service are a poor guide for this part and why no honest hour figure exists for it. Judge it by condition instead. If it has taken a set, hardened, swollen, or crazed, it is finished regardless of how little the airframe has actually flown.

Store spares the way the factory ships them: sealed, flat, out of sunlight, away from heat, and away from electric motors and welding equipment, which generate ozone and will crack rubber sitting on a nearby shelf. Do not hang rings on a nail, do not leave them stretched around anything, and do not keep them loose in a toolbox alongside solvents and sharp edges. A ring that arrives perfect can be ruined by six months of poor storage before it is ever fitted.

Replace this ring preventively rather than on failure, because failure here is not announced. There is no noise and no error code for a seal that has started passing damp air, and the first hard evidence is usually corrosion on hardware worth many times the ring. Operators who work wet mornings, wash aircraft down daily, or park outside should treat it as a scheduled item to change during other work at that position rather than something to wait on.

🧠 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 T100 OEM RTK Rubber Ring (YC.JG.MY001898)

Component: RTK Rubber Ring

DJI material number: YC.JG.MY001898

Product category: RTK & Antennas

Compatible aircraft: DJI Agras T100, DJI Agras T70P

Part classification: Genuine DJI OEM replacement component

Condition: Brand new — never installed, never flown

Quantity supplied: 1 × DJI Agras Original RTK Rubber Ring (T100 / T70P compatible) OEM protective p

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 RTK Rubber Ring is the genuine DJI OEM component supplied for the DJI Agras T100, DJI Agras T70P, 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 T100, DJI Agras T70P before ordering.

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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 is the DJI material number (part number) for the Agras T100 RTK rubber ring? The official DJI material number is YC.JG.MY001898. Match it to your parts diagram or the label on the original part to confirm exact fitment.

What is the DJI Agras T100 RTK rubber ring? The DJI Agras T100 / T70P OEM RTK Rubber Ring is a precision sealing and cushioning ring for the RTK positioning module housing, sealing out dust and moisture while damping vibration around the aircraft's GNSS hardware. It carries DJI material number YC.JG.MY001898.

Which DJI Agras models does this RTK ring fit? Per its specifications, this OEM rubber ring fits the DJI Agras T100 and DJI Agras T70P, installed in the RTK positioning module housing.

RTK accuracy is slipping — antenna, firmware, or something else? A degraded sealing ring is a leading cause of gradual GNSS degradation that gets misread as antenna or firmware trouble. Inspect the ring and the housing before chasing the electronics — dust or moisture working past a failed seal degrades positioning quietly over time.

I found dust or moisture inside the RTK housing — what should I do? Replace the ring immediately and inspect the module for corrosion. Contamination that has already made it past the seal keeps damaging sensitive GNSS components until both the ingress path and its effects are addressed.

Why does an RTK rubber ring degrade? UV exposure across long field days, agrochemical contact and washdown cycles, temperature swings that harden the compound, continuous airframe vibration, and compression set from years in service all break down sealing rubber.

How do I install and verify a new RTK rubber ring? Seat the ring evenly with no pinching or twist, confirm the RTK module sits firm with zero play in the housing, then fly a test route and confirm stable FIX status and lane repeatability.

Where can I buy an OEM DJI Agras T100 RTK rubber ring in the USA? Ares Acres LLC, a U.S.-based authorized DJI Agras retailer, stocks this OEM RTK rubber ring with free, fast U.S. shipping and same-day shipping with tracking on in-stock orders. This part is listed under DJI material number YC.JG.MY001898.

Is this a genuine DJI OEM RTK Rubber Ring?

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 T100 / DJI Agras T70P. Confirm by matching DJI material number YC.JG.MY001898 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 RTK Rubber Ring 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.

The old ring still looks fine. Can I reuse it when the module goes back on?

It is not worth it. A ring that has been clamped for a season has taken a set into the shape of that particular joint, and once disturbed it will not find the same seat again. It may hold for a while and then begin passing damp air quietly, with no symptom until corrosion appears. Measured against the module it protects, refitting a used ring into a housing you have just had open is the wrong economy.

Does a new ring fix an RTK module that has already been sitting in a damp housing?

It closes the ingress, not the damage. Once damp air has been cycling through the cavity, corrosion keeps working on connector pins and board hardware whether or not the leak is shut. Dry the cavity thoroughly, inspect the pins for bloom, and clean what is salvageable before reassembly. Sealing a wet housing simply traps the moisture in with the electronics rather than keeping it out.

Can I fit a hardware store O-ring of the same diameter?

Diameter is the easiest thing to match and the least important. Cross-section, hardness, and the compound itself decide whether a ring survives agrochemical contact, ultraviolet, and the temperature swing between a cold dawn and a dark airframe at midday. A generic ring of the right size will seal on the bench and then swell, harden, or extrude in service, usually at the least convenient moment in the season.

Should I grease the ring before fitting it?

Only with the product the DJI service documentation names for that joint, and only as a thin film. Petroleum based greases swell and soften many sealing compounds, so the wrong lubricant does more harm over a few weeks than fitting dry ever would. Where nothing is specified, fit the ring clean and dry into a clean, dry groove. Grease is not a remedy for a scored sealing land or a ring that has gone in twisted.

It still leaks with a new ring fitted. What did I miss?

Work through four things in order. A twist in the ring, which is the most common and the hardest to see once the module is down. Grit or old residue left in the groove. A scratch or nick across the sealing land, often from levering the old ring out with a screwdriver. And over-torque, which extrudes the ring out of the groove. The fifth possibility is that the water was never entering at the ring at all.

Accuracy is poor but the housing is dry inside. Is the ring still a suspect?

Much less so. A dry cavity with clean pins argues the seal is doing its job and points the investigation at the correction source, the sky view, or the module itself. Check whether the problem follows the field and the time of day rather than the aircraft, and whether other machines working the same job see it too. Trouble that follows the place rather than the machine is not a sealing fault.

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