DJI Agras T100 OEM D14000iE Zongshen Generator Intake Valve (YC.DZ.GR000234)

DJI Agras T100 OEM D14000iE Zongshen Generator Intake Valve (YC.DZ.GR000234) — the intake valve that admits the air/fuel charge and seals compression in the DJI Agras Zongshen generator engine, DJI material number YC.DZ.GR000234. DJI generator intake valve, engine intake valve, DJI Agras OEM valve.

🇺🇸 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 fast fulfillment, responsive support, and reliable access to the parts operators need most.

We use specialized technicians to verify and dispatch the D14000iE Zongshen Generator Intake Valve 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 D14000iE / DJI Agras T70P, this is the part that keeps a scheduled job on the calendar instead of on hold.

Ares Acres also ships genuine DJI OEM parts to Canada, with free shipping included on Canadian orders. Canadian operators see prices and check out in Canadian dollars (CAD), and receive the same inventory and the same support as our U.S. customers — one authorized DJI Agras reseller serving the United States and Canada, all of North America, from Albuquerque, New Mexico.

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✅ DJI Agras Compatibility Guarantee

• 🇺🇸 USA Compatibility Guarantee
• 👍🏻 Satisfaction Guarantee
• 💵 Money Back Guarantee
• 📦 Same Day Shipping & Tracking
• DJI material number YC.DZ.GR000234 — verified against the official DJI Agras generator parts list
• Supplier-listed fitment: DJI Agras D14000iE generator (T100 / T70P), Zongshen engine
• Brand new condition — never installed, never run

📦 Package Includes

• 1 × Generator Intake Valve (YC.DZ.GR000234)

🔧 Component Overview

The DJI Agras OEM Generator Intake Valve, DJI material number YC.DZ.GR000234, admits the air/fuel charge into the combustion chamber and seals it for compression, in the Zongshen engine shared across the D12000iE and D14000iE generators.

This is a poppet valve out of the top end of the Zongshen engine that drives the D14000iE generator set. It is a precision part in the literal sense: a hardened face that has to seal against a machined seat several thousand times a minute at combustion pressure, on a stem that has to slide freely in its guide while doing it. Nothing about it is adjustable and nothing about it wears gracefully. It either seals or it does not.

The duty cycle a generator engine sees is not the duty cycle an automotive engine sees. There is no cruise, no overrun, no long idle to cool off. The engine comes up to a working load and holds it there for the length of a fuel tank, which keeps head and valve temperatures high and steady and gives the intake valve very little relief. That is why valve service on a hybrid generator engine comes around on hours rather than on years, and why operators who fly heavy schedules plan for it.

The intake side runs cooler than the exhaust side because every intake stroke washes the back of the head with fresh charge, so an intake valve rarely burns the way an exhaust valve does. It fails in slower ways instead: it recedes into its seat, it collects deposits on the back of the head, it wears its stem in the guide, or it gets lapped away by dust that got past the air filter. All four end the same way, with a cylinder that will not hold compression.

⚙️ Functional Purpose

The intake valve meters the charge and seals compression. A worn or leaking intake valve loses compression and power and disrupts the burn — a core top-end wear item.

Two jobs, and they conflict. For part of the cycle the valve has to get out of the way and let as much air and fuel into the cylinder as the port will pass, which wants a big head and a lot of lift. For the rest of the cycle it has to be a gas-tight plug against combustion pressure, which wants a narrow, hard, perfectly concentric contact band. The compromise between those two is the entire design of the part, and it only holds while the face and the seat still match each other.

The valve is also a heat path. Most of the heat that lands on the head of an intake valve leaves through the contact band into the seat and the cylinder head, not down the stem. That has a practical consequence: a valve that is not fully closing is not just leaking, it is also no longer able to dump its heat, so a small sealing fault escalates into a burnt face far faster than the size of the leak would suggest.

On a generator set the consequence of a poor seal is not subtle. Compression loss shows up as an engine that cranks easily but will not fire cleanly, that will not take load, or that hunts under load as the governor chases a cylinder that is not contributing what it should. Downstream of that the generator cannot hold its output, and the aircraft sees reduced or unstable power at exactly the moment it is asking for the most.

⚠️ Common Replacement Indicators

• Low compression
• Power loss or hard starting
• Pitted or worn valve face
• Valve clearance out of spec
• Rough idle

Confirm before you order: this part is DJI number YC.DZ.GR000234, listed for DJI Agras D14000iE generator (T100 / T70P), Zongshen engine. Match it to your parts diagram or the label on your existing part before ordering.

Low or falling compression on a cranking test, with the loss confirmed to be at the valve rather than the rings. Do the follow-up before you buy parts: on a cylinder leak-down test, air escaping from the intake tract or throttle body points at the intake valve, air from the exhaust points at the exhaust valve, air from the crankcase breather or oil filler points at the rings, and bubbles in the coolant or air from an adjacent cylinder point at the head gasket.

Valve clearance that has gone tight rather than loose at a scheduled check. Wear at the rocker and the valve tip opens clearance up; a valve sinking into its seat closes it down. Tight clearance is the one that matters, because it holds the valve fractionally off its seat, blows hot gas across the contact band, and turns a recession problem into a burnt valve. Recurring tight clearance on the same valve is a seat and valve problem, not an adjustment problem.

Spitting or popping back through the intake, most noticeable on a cold start or coming onto load. Charge igniting and pushing back up the port past a valve that is not sealed is a fairly specific symptom, and it is worth separating from an exhaust-side pop, which comes out the muffler instead.

Hard starting when hot but acceptable when cold, or the reverse, with no fuel or ignition fault found. Sealing faults change with thermal expansion, so a marginal valve often behaves at one temperature and not at the other. If the engine has been through fresh plugs, clean fuel and a known-good ignition module and still starts unevenly, the compression side deserves the next look.

The generator failing to hold rated output under sustained load while idling and light running seem normal. Light load hides a small leak; full load does not. An engine that surges, bogs or drops output only when the aircraft is working hard is describing a cylinder that cannot make full pressure.

Findings at teardown that settle it: a face with pitting or a burnt notch across the contact band, a contact band that has migrated wide or off-center, a bent stem, a worn or stepped stem where it runs in the guide, heavy carbon on the back of the head, or a valve that visibly stands lower in the port than its partner.

📐 Specifications

DJI Material Number: YC.DZ.GR000234

Part: Generator Intake Valve

Fits: DJI Agras D14000iE generator (T100 / T70P), Zongshen engine (supplier-listed fitment)

Engine: Zongshen

Quantity: 1

Condition: Brand new

Published dimensions: DJI does not publish head diameter, stem diameter, overall length, seat angle or material grade for this valve. Do not order or machine to a measured guess. Match by DJI material number YC.DZ.GR000234 and compare against the valve you removed.

Valve clearance: Set to the clearance in the service documentation for your generator and engine. No lash figure is published in this listing, and a figure taken from a similar-looking engine is not a substitute.

Sold as: One valve. Springs, retainers, keepers, stem seals, guides and gaskets are separate items and are not included in this order.

Related work: Replacing a valve is a cylinder head job. Plan for the head gasket and any single-use fasteners your service documentation calls out, and have the seat inspected while the head is off.

🧰 Fitment Verification Before You Order

This listing is DJI material number YC.DZ.GR000234. 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 D14000iE / 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 D14000iE Zongshen Generator Intake Valve 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 compression and combustion sealing
• Top-end / valve-job service
• Replacing a worn intake valve
• Valve-clearance (300H) service

A top-end service on a generator engine that has accumulated real running hours, where the valves, seats, stem seals and guides are all assessed together. Changing one valve into a tired head buys a short reprieve and another teardown, so the sensible unit of work is the whole valve job.

Repairing the aftermath of dust ingestion. A split intake hose, a loose clamp, a poorly seated air filter or a filter run past its limit lets abrasive dust into the port, and dust between a valve face and its seat laps both away quickly. Fix the leak first, then fit the valve, or the new part follows the old one.

Recovering an engine that has been run on stale, contaminated or wrong-octane fuel, or that has been detonating under sustained load. Detonation hammers valves and seats mechanically, and the damage is usually still there after the fuel problem is solved.

Correcting a cylinder that keeps failing a leak-down test at the intake after cleaning, lapping and re-checking clearance. Once a face is pitted or a valve has receded, lapping only removes more material and moves the problem along; the part has to be replaced.

Rebuilding after a mechanical event on the valve train, such as a dropped keeper, a broken spring, a valve that has kissed a piston, or an over-speed that floated the valves. Anything that has bent or nicked a stem takes the valve out of service regardless of how the face looks.

💵 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 D14000iE Zongshen Generator Intake Valve, that logic is straightforward: it is an inexpensive component relative to the DJI Agras D14000iE / DJI Agras T70P 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

Every power stroke starts with a clean intake charge sealed tight. A worn intake valve undermines both compression and combustion. A core part of a proper valve service.

A generator engine on an agricultural aircraft is not a convenience item. It is the power source, and every part of the mission plan assumes it can hold its output for the length of a tank without wandering. A valve that has stopped sealing does not fail cleanly at a convenient moment. It degrades, and the degradation looks like a hundred other things first, so operators lose days to fuel filters, plugs and injectors before anyone runs a leak-down test.

The cost asymmetry here is stark. A valve is one of the cheapest parts in the engine. The head it seals into, the piston above it and the generator around it are not, and every one of them is exposed by a valve that is leaking, receding or on its way to breaking. A dropped valve head in a running engine is an engine replacement, not a repair, and the warning signs beforehand are the ones on this page.

There is also a quality question that only shows up later. A valve has to match the seat material, the guide clearance and the thermal behaviour the head was designed around. A generic valve that measures the same is not the same part, and the way that difference presents itself is accelerated recession and a second teardown a fraction of the way into the interval you expected.

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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 OEM D14000iE Zongshen Generator Intake Valve (YC.DZ.GR000234)

DJI material number: YC.DZ.GR000234

Component: Generator Intake Valve

Product category: Generator Parts

Compatible aircraft: DJI Agras T100

Condition: Brand new

Quantity supplied: 1

Part classification: Genuine DJI OEM replacement component

Seller: Ares Acres LLC — U.S.-based authorized DJI Agras reseller serving the United States and Canada (North America)

Ships from: Albuquerque, New Mexico, United States

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

Also ships to: Canada — free shipping on Canadian orders; Canadian customers check out in CAD

Also searched as: YC.DZ.GR000234; DJI YC.DZ.GR000234; YC.DZ.GR000234 DJI Agras; DJI Agras T100 Generator Intake Valve; T100 Generator Intake Valve; DJI T100 generator intake valve replacement; DJI Agras Generator Intake Valve; Generator Intake Valve OEM; Generator Intake Valve replacement part

Definition: The Generator Intake Valve (DJI material number YC.DZ.GR000234) is the genuine DJI OEM component on the DJI Agras T100, supplied 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. For this listing the base number is YC.DZ.GR000234. Confirm the aircraft model is DJI Agras T100 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 for the Generator Intake Valve? YC.DZ.GR000234, per the official DJI Agras generator parts list. A .01 or .F suffix on a label is the same part — the base number is YC.DZ.GR000234.

What is the DJI Agras Generator Intake Valve? It is the intake valve that admits the air/fuel charge and seals it for compression in the shared Zongshen generator engine.

What are the signs it needs replacing? Low compression, power loss or hard starting, a pitted or worn valve, valve clearance out of spec, or rough idle.

Which DJI Agras models does this component fit? Listed fitment is DJI Agras T100. Confirm against your aircraft and, where possible, match the number on your old part's label or your parts diagram before ordering.

How do I know my generator intake valve needs replacing? The indicators operators most often report are: low compression; power loss or hard starting; pitted or worn valve face; valve clearance out of spec; rough idle. Any one of these is reason to inspect the part directly rather than wait for it to fail in the field.

What does this component actually do on the aircraft? The DJI Agras OEM Generator Intake Valve, DJI material number YC.DZ.GR000234, admits the air/fuel charge into the combustion chamber and seals it for compression, in the Zongshen engine shared across the D12000iE and D14000iE generators.

What comes in the order? The order includes: 1 × Generator Intake Valve (YC.DZ.GR000234).

Is this a genuine DJI OEM part? Yes. Ares Acres LLC is a U.S.-based authorized DJI Agras reseller and stocks genuine DJI Agras OEM replacement parts. This component is supplied brand new.

How do I confirm it is the intake valve and not the rings or the head gasket?

Use a cylinder leak-down tester rather than a compression gauge, because the gauge tells you there is a leak and the tester tells you where it is. Bring the cylinder to top dead center on the compression stroke, apply air, and then listen. Hiss at the intake or throttle body is the intake valve. Hiss at the exhaust is the exhaust valve. Hiss at the crankcase breather or oil filler is the rings. Bubbles in coolant, or air appearing in the next cylinder, is the head gasket.

My valve clearance keeps closing up on the same valve. What does that mean?

That is the classic signature of valve recession, meaning the valve is sinking into its seat as the contact band wears. Each time you reset the lash you restore the geometry but not the material, so it closes up again sooner. Left alone, the clearance eventually goes to zero, the valve is held slightly open, hot gas cuts across the face, and the valve burns. Recurring tight clearance on one valve is a signal to open the head, not to keep adjusting.

What should I inspect while the head is off?

The seat first, because a new valve into a damaged seat will not seal. Look at the width and position of the contact band and at whether the seat is pitted, cracked or recessed. Then rock the valve sideways in the guide to feel for guide wear, roll each valve stem on a flat surface to check for a bend, look at the stem for scoring or a step where it runs in the guide, inspect the stem seals, check the springs for a collapsed or broken coil, and look at the piston crown and the back of the valve head for deposits or contact marks.

How do I tell the intake valve from the exhaust valve on the bench?

On a used pair the easiest tell is heat history: the exhaust valve comes out dark, dry and heat-scaled, while the intake tends to be sooty or varnished but not scaled. Head diameter is the other common difference, with the intake usually the larger of the two, but do not treat that as universal and do not rely on it for ordering. The safe answer is the part number on the parts diagram, since a valve fitted into the wrong port will neither seal nor clear correctly.

Do I need to lap the new valve in, and what gets that wrong?

Follow the service documentation for the engine, and where lapping is called for, do it with the valve and its own seat and confirm the result by the continuous dull band it leaves on both faces. Two things go wrong routinely. The first is over-lapping, which sinks the valve and widens the band until it will not seal or shed heat. The second is leaving abrasive behind, so wash the head, the port, the guide and the valve thoroughly, and clean the whole passage before assembly.

What normally causes an intake valve to wear out early?

Dust, heat and fuel, roughly in that order. Unfiltered air is the fastest route, because grit lapped between a valve face and its seat destroys both quickly, so any leak between the filter and the port is a live threat. Sustained high load with a lean mixture keeps the seat hot and accelerates recession. Poor or stale fuel and detonation hammer the contact band mechanically. Worn stem seals add oil to the intake and build deposits on the back of the head that hold the valve off its seat.

What is easy to get wrong during reassembly?

The small parts. Keepers are the classic loss, so work over a tray with a magnetic pick handy, and make sure both halves are fully home in the stem groove before you release the spring compressor, because a partially seated keeper lets go under load. Keep components in order and back in their own positions, do not clamp a valve stem in bare vise jaws, and fit new stem seals rather than reusing them. Set clearance after assembly, then run the engine, let it heat-cycle and re-check.

How should the part be handled and stored before it goes in?

Treat it like the precision part it is. Leave it in its wrapper until it is going into the head, keep a light film of clean oil on the stem, and do not stand it on the tip or drop it, because a bent stem or a burred tip is invisible against a bright face and both will tear the guide. Never wire-brush or grind the face to clean it. If the engine is not going back together the same day, oil the valve and box it rather than leaving it on a damp bench where the face can flash-rust.

Is the DJI Agras T100 OEM D14000iE Zongshen Generator Intake Valve (YC.DZ.GR000234) also available in Canada? Yes. Ares Acres ships this T100 OEM D14000iE Zongshen Generator Intake Valve to Canada from its Albuquerque, New Mexico inventory with free shipping included, and Canadian customers see prices and check out in Canadian dollars (CAD).

Does Ares Acres ship DJI Agras T100 parts to Canadian operators? Yes — Ares Acres is a U.S.-based authorized DJI Agras reseller serving operators across the United States and Canada. Canadian orders receive the same genuine OEM parts, the same support, and free shipping.

Where can I buy one in the USA? Ares Acres, a U.S.-based authorized DJI Agras reseller, carries Generator Intake Valve YC.DZ.GR000234 with free and fast U.S. shipping. Ares Acres also ships to Canada with free shipping.