3-Cylinder Fuel Injection Pump Rebuild Kit for Kubota Engine D1005 D1105 D1305 Zero Turn Mower ZD326 ZD331 ZD28
This fuel pump is built to meet or exceed the original specs for Kubota Engine D1005 D1105 D1305 Zero Turn Mower ZD326 ZD331 ZD28. The fuel pump is the heart of the fuel delivery system — it moves fuel from the tank to the engine at the correct pressure and flow rate. A failing pump doesn’t usually give much warning before it leaves you stranded.
Vehicle Compatibility
| Application | Details |
|---|---|
| cat Skid Steer Loader | See product specifications |
| Kubota Tractor | See product specifications |
| Kubota Excavator | See product specifications |
| Kubota Utility Vehicle | See product specifications |
| Kubota Zero | Turn Mower |
| Bobcat Skid Steer Loader | See product specifications |
Replaces OEM Part Numbers
Bosch • 9410617120 • 9410617332 • 9410617118 • 9410617317 • 9410617661 • 9410617225 • 9410618105 • 9410617318 • 9410617319 • 9410617320 • 9410617321
Signs You Need a Replacement
If your equipment is showing any of these symptoms, the injection pump repair kit may be the cause:
- Engine cranks but won’t start — no fuel reaching the injectors
- Stalling under load — engine dies when you demand more power
- Loss of power at high RPM — fuel delivery drops off at higher engine speeds
- Whining noise from fuel tank area — the pump bearings are wearing out
- Engine surging or bucking — inconsistent fuel pressure causes hesitation
- Hard starting after sitting — fuel drains back through a weak check valve
Before You Replace the Pump
Before replacing the fuel pump, check the fuel filter first — a clogged filter causes the same symptoms and costs a fraction of the price. If you confirm the pump is bad, replace the fuel filter at the same time. A restricted filter is often what killed the old pump. After installation, cycle the key to ON several times (without starting) to prime the system and bleed out any air before cranking the engine.
Frequently Asked Questions
Will this fit my Kubota D1005?
Yes. This part is designed to fit the Kubota D1005, D1105, D1305, ZD326 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 Bosch with 9410617120?
Yes. Both Bosch and 9410617120 are interchangeable OEM numbers for this part. They refer to the same component with the same specifications, just different part number revisions. This replacement fits all applications listed for either number.
My vehicle is a 4206 model — is it covered?
The compatibility range for this part includes 4206-3040. The 4206 model year falls within this range, but you should still verify the engine code and body type match. Mid-year production changes sometimes mean two vehicles from the same model year use different parts.
How long does a Kubota fuel pump typically last?
Fuel pump life varies by application, but on Kubota equipment you can generally expect 5,000 to 10,000 hours of operation. Running the tank dry, using contaminated fuel, or neglecting the fuel filter are the top causes of premature failure. If your machine has over 5,000 hours and the fuel filter hasn’t been changed regularly, the pump is likely on borrowed time.
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