DJI Agras T100 Spray Rod Extension Rod

Replacement extension member for the DJI Agras T100 spray boom, supplying the structural reach and alignment the mist spraying system depends on to hold nozzle position across the boom.

🇺🇸 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 Spray Rod Extension Rod 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 spray system 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 T100, 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

Brand new condition — never installed, never flown

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📦 Package Includes

1 x Spray Rod Extension Rod

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🔧 Component Overview

This is an elongated structural member that forms part of the T100 spray boom. It carries the boom outward from the aircraft and sets the geometry the rest of the spray assembly is built around, which is another way of saying it decides where the nozzles end up. Everything the spray system does downstream of the pump depends on those nozzles being where the design intended them to be.

It does three jobs at once. It extends and supports the boom, it holds spray-system alignment so coverage stays even across the full working width, and it provides the structural mounting path that other boom components attach to. It also shields the hoses and cabling that run with the boom, which is why impact damage to the rod so often shows up first as a plumbing or wiring problem rather than a structural one.

Rod profile, mounting points, and orientation are specific to this assembly, and T100 airframes are not all at the same revision. Compare all of those against the component you are removing before installation. A rod that is close but not correct will either refuse to pick up both mounting points or will sit at an angle that puts the nozzles somewhere other than where they belong.

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⚙️ Functional Purpose

Spray quality on an agricultural drone is geometry before it is anything else. Nozzle spacing, nozzle height above the canopy, and nozzle angle relative to the flight path are what turn a tank of chemical into even coverage, and those three things are held by the boom structure rather than by the nozzles themselves. The extension rod is a length of that structure. When it is straight and correctly mounted, the pattern the system was designed to produce is the pattern that lands on the crop.

When the rod is bent, bowed, twisted, or cracked, the nozzles it carries move with it. Height changes on one side, spacing opens up or closes down, and the spray fans stop overlapping the way they were meant to. The result is striping, gaps, and double-treated strips, and none of it is visible from the remote controller. The aircraft reports a normal flight and the field shows the problem a week later when the crop responds unevenly.

The structural side matters as well. A cracked rod or an elongated mounting point lets a boom section move in flight, and rotor-wash vibration works loose components looser rather than settling them. That same damage pinches or chafes the hoses and cables routed along the boom, which turns a mechanical fault into a leak, a flow restriction, or an electrical fault on a component that was working fine before the impact.

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⚠️ Common Replacement Indicators

Visible bend, bow, or twist when the rod is sighted along its length

Cracks, splits, or deformation anywhere along the rod body

Cracked, elongated, or worn mounting points at either end

Spray boom that will not hold alignment after it has been adjusted

Nozzle height or spacing on one side that no longer matches the other side of the boom

Striping, gaps, or uneven coverage in the field with the nozzles and pump known good

Impact damage from a hard landing, a ground strike, transport, or contact with a crop or obstacle

A boom section that rattles, moves, or flexes more than the matching section opposite it

Hoses or cables pinched, chafed, or displaced where they run with the rod

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📐 Specifications

Part: Spray Rod Extension Rod

Aircraft: DJI Agras T100

System: Mist spray boom / spray rod

Primary Function: Spray boom structural extension and alignment

Component Type: Elongated structural member

Supplied As: Individual extension rod in the supplier-listed configuration

Category: Spray System Parts

Condition: Brand new

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🧰 Fitment Verification Before You Order

Confirm fitment by part number before ordering. Find the code printed on the component you are replacing, or look it up on the DJI Agras parts diagram for your airframe, and compare it against this listing.

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. 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 Spray Rod Extension Rod 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

Replacing a bent or bowed extension rod after a hard landing or a ground strike

Repairing a cracked rod body or a damaged mounting point found during inspection

Correcting persistent spray-boom misalignment that nozzle adjustment will not fix

Restoring even coverage across the boom after impact damage to one side

Rebuilding a boom section damaged in transport, loading, or storage

Returning an aircraft to service after contact with a crop canopy, a fence line, or an obstacle

Holding a spare boom extension in the support truck through a spray season

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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 Spray Rod Extension Rod, that logic is straightforward: it is an inexpensive component relative to the DJI Agras T100 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

Coverage is the product. An operator is not paid for hours flown or tanks emptied, but for chemical landing evenly on a field at the rate the label calls for, and the boom geometry is what delivers that. A bent extension rod moves nozzles a small amount and changes the pattern a large amount, so the aircraft keeps flying, the tank keeps emptying, and the job keeps getting billed while the coverage quietly falls apart. That is the most expensive kind of fault, because nothing announces it.

The cost lands late and it lands twice. Under-treated strips show up as surviving weeds or unchecked disease weeks after the pass, at which point the fix is a second application, a second tank of chemical, and a second trip over ground that is now further into the season. Over-treated strips carry their own bill in wasted product and in the questions that follow when a neighboring crop or a sensitive boundary is involved. Neither is a conversation an applicator wants to have about a bent rod.

Then there is the airframe itself. A cracked rod or a worn mounting point is a structure that has already started to fail, and rotor vibration does not let structures like that settle. Left in service it works other fasteners loose, pinches the hoses and cabling it is supposed to protect, and can shed a boom section over a field with people or livestock in it. Against that, a straight replacement rod fitted in the shop is an inexpensive afternoon and the cheapest insurance on the aircraft.

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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 T100 Spray Rod Extension Rod

Component: Spray Rod Extension Rod

Product category: Spray System Parts

Compatible aircraft: DJI Agras T100

Condition: Brand new — never installed, never flown

Quantity supplied: 1 x Spray Rod Extension Rod

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

Also searched as: DJI Agras T100 Spray Rod Extension Rod; T100 Spray Rod Extension Rod; DJI T100 spray rod extension rod replacement; DJI Agras Spray Rod Extension Rod; Spray Rod Extension Rod OEM; Spray Rod Extension Rod replacement part

Definition: The Spray Rod Extension Rod is equipment supplied for use with the DJI Agras T100, sold new by Ares Acres LLC, a U.S.-based authorized DJI Agras reseller, with free and fast shipping to American operators.

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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.

New condition, correctly described. We describe what we ship and we do not overstate it. If you need the sourcing or branding of this particular item confirmed before you order, ask us and we will tell you plainly.

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 extension rod do on the T100 spray boom?

It is the structural member that extends and supports the boom. It sets the reach of the spray assembly, holds the alignment that keeps coverage even across the working width, gives other boom components something to mount to, and shields the hoses and cabling routed along the boom. It is structure, not plumbing, but the plumbing depends on it being straight.

How do I tell whether the rod is bent?

Sight along its full length and look for bow or twist, then compare it against the matching section on the other side of the aircraft. Check both mounting ends for cracks, wear, or elongated holes. If nozzle height or spacing on one side no longer matches the other, the structure carrying them is the first thing to measure, not the last.

Can a bent rod be straightened instead of replaced?

Treat a structural member that has taken an impact as a replacement item. Straightening does not reliably restore the original geometry, and material that has been bent once and bent back is not the same material it was. Given that this rod sets nozzle position on a vibrating airframe flying over a crop, it is not the place to save the cost of a part.

Would a damaged rod really change my spray pattern?

Yes. Nozzle height above the canopy, nozzle spacing, and nozzle angle are all held by the boom structure. Move the structure and you move all three at once, which changes how the spray fans overlap and puts stripes, gaps, or double-treated strips into the field. The aircraft will not report any of it, because from its point of view the flight was normal.

What else should I inspect after an impact that damaged the rod?

Everything the rod touches or carries. Check the adjacent boom housing and the connectors, look over the hoses and cabling for pinching or chafing, and check the mounting hardware at both ends for cracks and wear. Impact energy travels through a boom, and damage to the extension rod is very often accompanied by damage to what is bolted to it.

Do I need to check nozzle alignment after fitting the new rod?

Yes, and it is the step that confirms the repair actually worked. Once the rod is mounted and the fasteners are secured, confirm nozzle alignment across the boom and compare it side to side before you load chemical. A correctly fitted rod with the nozzles left where the damaged one put them will still spray an uneven pattern.

What is the risk when removing the old rod?

An unsupported spray assembly. Remove aircraft power first, then support the assembly while the rod comes out so its weight does not hang on hoses, cabling, or the neighboring boom section and turn a one-part repair into a three-part one. Take a photograph of the routing before anything is disturbed so it goes back the way it came off.

How should the hoses and cables be routed once it is back together?

Exactly as they were, secured at the original retention points, with nothing pinched between the rod and its mounts and nothing left slack enough to chafe in rotor wash. Confirm every retained hose, cable, and fastener is correctly routed and tight before the aircraft is powered up, then run a system check and a hover test before returning to paid work.

Will this fit my aircraft?

This part is supplied for the DJI Agras T100. Confirm against your model's DJI Agras parts diagram before ordering. 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 Spray Rod Extension Rod 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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