Fuel Injector 16261-53001 16261-53011 for Kubota Engine D1105 D905 D1005 V1505 V1305 V1512 V1405 Excavator KX41H KX71 KX61 Tractor F2400 FZ2100 FZ2400 ST-30 Loader R310
This fuel injector is engineered as a direct replacement for the Kubota Engine D1105 D905 D1005 V1505 V1305 V1512 V1405 Excavator KX41H KX71 KX61 Tractor F2400 FZ2100 FZ2400 ST-30 Loader R310. Manufactured to meet or exceed OEM specifications, it delivers reliable performance in demanding conditions. Each unit is tested for fuel flow, pressure rating, and durability before leaving the factory to ensure consistent quality across every order.
Vehicle Compatibility
| Application | Details |
|---|---|
| Kubota Engine:D1105, D1105 | F, D905, D905-FZ, D1105-FZ, D1005, V1505, V1305, V1512, V1405 Applications:Fit For |
| Kubota Excavator:KX41H, KX71, KX61(H), KX61, KX61HFit For | See product specifications |
| Kubota Wheel Loader:R310(OLD TYPE), R310BH(OLD TYPE)Fit For | See product specifications |
| Kubota Tractor:F2400, F2400 | BI, FZ2100, FZ2400, ST-30 |
Replaces OEM Part Numbers
093500-4000 • 0935004000 • 16261-53001 • 16261-53011 • 1626153001 • 1626153011 • 16261-53000 • 1626153000 • Kubota • Engine • D1105 • D1105-F
Signs You Need a Replacement
If your equipment is showing any of these symptoms, the injectors & nozzle may be the cause:
- Rough idle or misfire — Uneven fuel delivery from a worn injector causes the engine to shake at idle. On Kubota engines, this is often accompanied by a knocking sound under load.
- Black or white exhaust smoke — Black smoke means excess fuel; white smoke indicates incomplete combustion. Both point to injector spray pattern degradation.
- Loss of engine power — A single failing injector reduces cylinder output. Multi-cylinder engines lose noticeable power when one injector flows less than the rest.
- Increased fuel consumption — Poor atomization means the engine burns more fuel to produce the same power. Monitor your fuel burn rate as an early warning sign.
- Hard starting or no start — If the injector doesn’t deliver fuel on cranking, the cylinder won’t fire. This is especially common in cold weather with worn nozzles.
- Fuel in engine oil (dilution) — Fuel leaking past the injector seat seal contaminates the crankcase oil. If the oil level rises or smells of diesel, inspect the injectors immediately.
Replace as a Set
Replace all injectors as a set whenever possible. On Kubota engines, mixing old and new injectors creates uneven fuel delivery — the new injectors compensate for the worn ones, shortening their life. When installing, use new copper sealing washers and torque to the specification in the service manual. After installation, run the engine at idle for 5 minutes to bleed air from the fuel system, then check for leaks at each injector connection before putting the machine under load.
Frequently Asked Questions
Will this fit my Kubota D1105?
Yes. This part is designed to fit the Kubota D1105, D905, D1005, V1505 among other models listed in the compatibility table above. Verify your specific model and engine code before ordering to ensure the correct fit.
Can I cross-reference 093500-4000 with 0935004000?
Yes. Both 093500-4000 and 0935004000 are interchangeable OEM numbers for this part. They refer to the same component with the same specifications, just different part number revisions.
How do I check if my engine code (KX41H, KX71, KX61) matches?
The engine code is stamped on a metal tag attached to the engine block, usually near the timing belt cover or on the cylinder head. Compare the code you find with the list above. Engine codes are 3 to 6 characters long.
My vehicle is a 6261 model – is it covered?
The compatibility range for this part includes 6261-5300. The 6261 model year falls within this range, but verify the engine code and body type match. Mid-year production changes sometimes mean two vehicles from the same model year use different parts.
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