Fuel Pump for Willys Jeep MB CJ-2A CJ-3A CJ-3B 134 L/F-Head – Replaces Omix 17709.01
This fuel pump is engineered as a direct replacement for the Willys Jeep MB CJ-2A CJ-3A CJ-3B 134 L/F-Head – Replaces Omix 17709.01. 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 |
|---|---|
| Jeep MB CJ | 2A CJ-3A CJ-3B 134 L/F-Head – Replaces Omix 17709.01 Replacement Part Number: 119238, 119729, 17709.01, 1770901 Application:Fit for following models:1941-1945 |
| Jeep MB 4Cyl 1341945 | 1949 |
| Jeep CJ | 2A w/ 4-134 L-Head engine1948-1953 |
| Jeep CJ | 3A w/ 4-134 L-Head engine1953-1964 |
| Jeep CJ | 3B w/ 4-134 F-Head engine1955-1971 |
| Jeep CJ | 5 w/ 4-134 F-Head engine1955-1971 |
| Jeep CJ | 6 w/ 4-134 F-Head engine1947-1950 Willys |
| Jeep Pickup w/ 4 | 134 L-Head engine1950-1954 Willys |
| Jeep Pickup w/ 4 | 134 F-Head engine1948-1949 |
| Jeepster VJ w/ 4 | 134 L-Head engine1950 |
| Jeepster VJ w/ 4 | 134 F-Head engine1948-1953 Willys |
| Jeep Sedan Delivery w/ 4 | 134 L-Head engine1950-1955 Willys |
Replaces OEM Part Numbers
119238 • 119729 • 17709.01 • 1770901 • Application • following • models • 1941-1945 • 1341945-1949 • CJ-2A • 4-134 • L-Head
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
Will this fit my Jeep 134?
Yes. This part is designed to fit the Jeep 134 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 119238 with 119729?
Yes. Both 119238 and 119729 are interchangeable OEM numbers for this part. They refer to the same component with the same specifications, just different part number revisions.
My vehicle is a 1941 model – is it covered?
The compatibility range for this part includes 1941-1945. The 1941 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.
How long does a Jeep fuel pump typically last?
Fuel pump life varies by application, but on Jeep 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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