Fuel Pump for John Deere D100 D105 D110 D120 D125 D130 D140 D150 D155 Tractors
This fuel pump is engineered as a direct replacement for the John Deere D100 D105 D110 D120 D125 D130 D140 D150 D155 Tractors. 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 |
|---|---|
| John Deere D100 D105 D110 D120 D125 D130 D140 D150 D155 Tractors Part Number: LG808656 | A3, M138498-A3, M145667-A3 Applications:For |
| John Deere D100, D105, D110, D120, D125, D130, D140, D150, D155 Tractors Specification: | Fits 1/4″ fuel line-Vacuum type-Not compatible with greater than 10% ethanol fuel |
Replaces OEM Part Numbers
LG808656-A3 • M138498-A3 • M145667-A3
Signs You Need a Replacement
If your equipment is showing any of these symptoms, the fuel pump may be the cause:
- Engine cranks but won’t start — The pump may have lost prime or stopped delivering fuel. Check for fuel at the filter outlet before replacing the pump.
- Stalling under load — A weak pump can’t maintain pressure at high demand. The engine runs fine at idle but dies when you put it to work.
- Fuel pressure warning (if equipped) — Modern John Deere equipment monitors fuel rail pressure. A low-pressure warning often means the pump is failing.
- Loud whining from fuel system — A failing pump makes a high-pitched whine that gets louder as it warms up. Normal pump noise is a low hum.
- Air in fuel lines — If you see bubbles in the transparent fuel line or the primer bulb won’t stay firm, the pump may be drawing air through a worn seal.
- Excessive return flow — Too much fuel returning to the tank instead of reaching the injectors indicates internal pump wear.
Before You Replace the Pump
Before replacing the pump, check the fuel filter and fuel lines for restrictions. A blocked filter causes the same symptoms as a failing pump on John Deere equipment. When installing the new pump, fill it with clean fuel before connecting the lines — this reduces priming time and prevents dry-run damage. After installation, bleed the system fully and check for leaks at all connection points. Replace the fuel filter at the same time as the pump to protect the new unit from debris.
Frequently Asked Questions
Will this fit my John Deere D100?
Yes. This part is designed to fit the John Deere D100, D105, D110, D120 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 LG808656-A3 with M138498-A3?
Yes. Both LG808656-A3 and M138498-A3 are interchangeable OEM numbers for this part. They refer to the same component with the same specifications, just different part number revisions.
How long does a John Deere fuel pump typically last?
Fuel pump life varies by application, but on John Deere 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.
What tools do I need to install this on a John Deere?
Standard metric hand tools will handle most of the job – sockets, wrenches, and a torque wrench. For John Deere equipment, check the specific service manual for any special tools or torque values.
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