Mechanical Fuel Pump M2091 SP1264MP for Dodge B-1 B-2 B-3 D100 D300 D200 P300 P310 P320 P400 P410 P420 W100 W200 W300 1950-1960
This fuel pump is engineered as a direct replacement for the Dodge B-1 B-2 B-3 D100 D300 D200 P300 P310 P320 P400 P410 P420 W100 W200 W300 1950-1960. 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 |
|---|---|
| Dodge B | 1 B-2 B-3 D100 D300 D200 P300 P310 P320 P400 P410 P420 W100 W200 W300 1950-1960 Replacement Part Number: Carter: M2091Spectra Premium: SP1264MP Application: Fit for |
| Dodge Vehicle: 1950 | See product specifications |
| Dodge B | 11950 |
| Dodge B | 21951-1952 |
| Dodge B | 31951-1952 |
| Dodge B | 3 Van1953 |
| Dodge B | 41953 |
| Dodge B | 4 Truck1954-1955 |
| Dodge C | 11954 |
| Dodge C | 1 Truck1954-1956 |
| Dodge C | 31957-1959 |
| Dodge D1001957 | 1959 |
Replaces OEM Part Numbers
Carter • M2091Spectra • Premium • SP1264MP • Application • Dodge • Vehicle • B-11950 • B-21951-1952 • B-31951-1952 • Van1953 • B-41953
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 Dodge D100?
Yes. This part is designed to fit the Dodge D100, D300, D200, P300 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 Carter with M2091Spectra?
Yes. Both Carter and M2091Spectra 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 1950 model – is it covered?
The compatibility range for this part includes 1950-1960. The 1950 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 Dodge fuel pump typically last?
Fuel pump life varies by application, but on Dodge 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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