Fuel Lift Pump 2830266 84268475 for CASE Loader 420CT 440CT 445CT 450CT 521D 580M 621D 420 430 435 440 445 450 465 Tractor JX1080U JX1085C JX1090U JX1095C JX1100U
This fuel pump is engineered as a direct replacement for the CASE Loader 420CT 440CT 445CT 450CT 521D 580M 621D 420 430 435 440 445 450 465 Tractor JX1080U JX1085C JX1090U JX1095C JX1100U. 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 |
|---|---|
| Fuel Lift Pump 2830266 84268475 for CASE Loader 420CT 440CT 445CT 450CT 521D 580M 621D 420 430 435 440 445 450 465 Tractor JX1080U JX1085C JX1090U JX1095C JX1100U Replace Part Number:2830266, 84268475, 2830122, 504380241, 4890964, 4894721, 2830156, 6905143, 9849121, 000000504380241, 4892387, BCD2723, ARC | 1004 Fit For CASE Engine:F4BE0454G D600, F4BE0484C D601, F4BE0484F D600, F4BE0484F D601, F4BE0484F D606, F4CE0304A D600, F4CE0304B D601, F4CE0354C D601, F4CE0654B B601, F4CE9484C J600, F4CE9484L J600, F4CE9484L J602, F4CE9484L J603, F4CE9487N J603, F4DFE613G, F4GE0454A D610, F4GE0484C D601, F4GE0684C D600, F4GE0684E D600, F4GE0684G D600, F4GE9454K J604, F4GE9484A J600, F4GE9484A J601, F4GE9484A J602, F4GE9484K J601, F4GE9684B J600, F4GE9684B J601, F4GE9684C J600, F4GE9684D J600, F4GE9684R J600, F5AE5484B A001, F5AE5484B A002, F5AE5484C A001, F5AE5484C A002, F5AE9454D A001, F5AE9454F A001, F5AE9454J A002, F5AE9454K A002, F5AE9454L A002, F5AE9484A A001, F5AE9484A A002, F5AE9484A A003, F5AE9484A A004, F5AE9484B A001, F5AE9484B A002, F5AE9484B A003, F5AE9484B A005, F5AE9484G A003, F5AE9484G A004, F5AE9484G A005, F5AE9484G A006, F5AE9484G A008, F5AE9484H A001, F5AE9484L A001, F5AE9484M A001, F5CE5454B A001, F5CE5454B A002, F5CE9454E A001, F5CE9454E A002, F5CE9454G A001, F5CE9484B A002 Applications:Fit For CASE Loader:121E SERIES 3, 21E SERIES 3, 221E SERIES 3, 321E SERIES 3, 420CT, 440CT, 445CT, 450CT, 521D, 580M, 621D, 420, 430, 435, 440, 445, 450, 465Fit For CASE Tractor:650K, 750K, 850K, FARMALL 105U, FARMALL 110A, FARMALL 120A, FARMALL 60, FARMALL 65A, FARMALL 65C, FARMALL 70, FARMALL 75A, FARMALL 75C, FARMALL 75N, FARMALL 80, FARMALL 85C, FARMALL 85N, FARMALL 85U, FARMALL 90, FARMALL 95, FARMALL 95C, FARMALL 95N, FARMALL 95U, JX1070U, JX1080U, JX1085C, JX1090U, JX1095C, JX1100U, MAXXUM 100, MAXXUM 110, MAXXUM 115, MAXXUM 125, MAXXUM 140, MXU100, MXU110, MXU115, MXU130, WDX1002S, WDX1202, WDX1202SFit For CASE Forklift: 586G, 588GFit For CASE Irrigation Power Unit: P110, P140, P170, P70, P85, PX110, PX140, PX170, PX70, PX85 |
Replaces OEM Part Numbers
2830266 • 84268475 • 2830122 • 504380241 • 4890964 • 4894721 • 2830156 • 6905143 • 9849121 • 000000504380241 • 4892387 • BCD2723
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 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 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
Can I cross-reference 2830266 with 84268475?
Yes. Both 2830266 and 84268475 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 (MXU100, MXU110, MXU115, MXU130) 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.
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