Fuel Injection Pump MIA885077 129C28-51000 for Yanmar Engine 3TNV82A 4TNV84T John Deere Loader 318E 319E 320E 244K 324K
This fuel pump is engineered as a direct replacement for the Yanmar Engine 3TNV82A 4TNV84T John Deere Loader 318E 319E 320E 244K 324K. 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 |
|---|---|
| Yanmar Engine 3TNV82A 4TNV84T | See product specifications |
| John Deere Loader 318E 319E 320E 244K 324K Replace Part Number:MIA885077, MIA881999, 0445020538, 0 445 020 538, 0445020509, 0 445 020 509, 0 | 445-020-509DR, 0445020509DR, 129C28-51000, 129C2851000, 129A00-51000, 129A0051000 Fit For |
| Yanmar Engine:3TNV82A, 3TNV84T, 3TNV86CHT, 3TNV86CT, 3TNV88, 3TNV88C, 4TN86CHT, 4TNV84T, 4TNV86CHT, 4TNV86CT, 4TNV86HT, 4TNV88C, 4TNV98C, 4TNV98C | PJLW2, 4TNV98CT, 4TNV98CT-PJLW, 4TNV98T, 4TNV86CT-DDT, 4TNV86CT-DGWL, 4TNV88C-DCP, 4TNV88C-KAMZ, 4TNV88C-P7CFV Application:Fit For |
| John Deere Loader: 184 G, 204 G, 204L, 210 G, 210L EP, 210LEP, 244 P, 244K, 244K | II, 244L, 304 G, 304L, 310 G, 310L EP, 312GR, 314G, 316GR, 317G, 318E, 318G, 319E, 320E, 320G, 323E, 324 P, 324E, 324G, 324K, 324L, 325G, 326EFit For |
| John Deere Excavator: 50 P, 50G, 50P, 60 P, 60G, 60P, 75 P, 75G, 75P, 85 P, 85G, 85P, P, PC10, PC7, YD00001820, YD00001821Fit For | See product specifications |
| John Deere Mower: 1570, 1575, 1580, 1585, 1600 TURBO SERIES III, 7400A, 7500A, 7700A, 8000A, 8700A, 8800A, 8900A, 9009A, Z997RFit For | See product specifications |
| John Deere Tractor: 2032R, 2038R, 3032E, 3033R, 3035D, 3038E, 3039R, 3043D, 3046R, 4044M, 4044R, 4052M, 4052R, 4066M, 4066R, 4075R | See product specifications |
Replaces OEM Part Numbers
MIA885077 • MIA881999 • 0445020538 • 0445020509 • 0-445-020-509DR • 0445020509DR • 129C28-51000 • 129C2851000 • 129A00-51000 • 129A0051000 • Yanmar • Engine
Signs You Need a Replacement
If your equipment is showing any of these symptoms, the injection 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 318E?
Yes. This part is designed to fit the John Deere 318E, 319E, 320E, 244K 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 MIA885077 with MIA881999?
Yes. Both MIA885077 and MIA881999 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 (PC10) 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.
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.
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