Fuel Injector H1601-53000 for Kubota Engine D905 D1005 D1105 V1205 V1505 Excavator KX41-2 KX41H KX61-2 KX71 KX91-2
This fuel injector is engineered as a direct replacement for the Kubota Engine D905 D1005 D1105 V1205 V1505 Excavator KX41-2 KX41H KX61-2 KX71 KX91-2. 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: D905, D1005, D1105, V1205, V1305, V1505 Application:Fit for following models | See product specifications |
| Kubota Front Mower: F2260, F2400, F2400 | BI, F2560, F2560E, F3060, F3560, FZ2100, FZ2400 |
| Kubota Excavator: KX41 | 2, KX41H, KX61(H), KX61-2, KX71, KX91-2, U-35(KTA) |
| Kubota Wheel Loader: R310(OLD TYPE), R310BH(OLD TYPE | See product specifications |
Replaces OEM Part Numbers
H1601-53000 • H160153000 • 105148-1351 • 1051481351 • 105148-1350 • 1051481350 • Kubota • Engine • D1005 • D1105 • V1205 • V1305
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 D905?
Yes. This part is designed to fit the Kubota D905, D1005, D1105, V1205 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 H1601-53000 with H160153000?
Yes. Both H1601-53000 and H160153000 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 (KX41, KX41H, KX61, KX71) 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 1601 model – is it covered?
The compatibility range for this part includes 1601-5300. The 1601 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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