US Motor Works USMP11258 Mechanical Fuel Pump

Brand US Motor Works USMP11258
Fits Chevrolet and GMC · 25 vehicles

OE-spec replacement. Meets or exceeds OEM specifications for dependable fuel delivery.

Durable construction. Built from high-quality materials to withstand tough conditions.

Fuel pump function. Delivers optimal fuel flow for reliable engine performance.

Cross-references Airtex Fuel Pumps 40446, Delphi MF0051 and Spectra Premium SP1021MP for the same application. See all 3.

$33.05Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $33.05
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Mechanical Fuel Pump for Classic Chevrolet and GMC

US Motor Works Part Number USMP11258 is a mechanical fuel pump built for reliable fuel delivery in classic carbureted applications. It is engineered to meet or exceed OEM specifications and uses durable materials for consistent fuel flow in demanding driving conditions.

Compatible With 1967-1975 Chevrolet C20 Suburban, 1975 Chevrolet G20, 1975 Chevrolet G30, 1975 Chevrolet K20, 1967-1971 Chevrolet K20 Suburban, 1975 Chevrolet P20, 1975 Chevrolet P30, 1970 GMC Jimmy, 1967 Chevrolet C10 Suburban, and 1967 Chevrolet K10 Suburban. This part cross-references Airtex Fuel Pumps 40446 and Delphi MF0051 for the same application.

Key Features

  • Mechanical fuel pump for carbureted fuel systems
  • Built to meet or exceed OEM specifications
  • Constructed from high-quality materials for durability
  • Supports steady fuel delivery to the engine
  • Direct replacement option for classic Chevrolet and GMC trucks and SUVs
  • USMP11258 part number for accurate catalog matching

Application Details

This US Motor Works fuel pump is intended for classic Chevrolet and GMC vehicles that use a mechanical pump setup. It is a practical replacement for worn or failing pumps on models such as the Chevrolet C20 Suburban, Chevrolet K20 Suburban, and GMC Jimmy, helping restore proper fuel supply in vintage truck and utility applications. USMP11258 is also listed with Spectra Premium SP1021MP interchange data.

What It Helps Solve

  • Hard starting caused by weak fuel delivery
  • Fuel starvation under normal driving conditions
  • Engine hesitation from inconsistent pump output
  • Loss of fuel pressure in carbureted systems
  • Replacement needs for aging mechanical fuel pumps

Installation Notes and Tips

Verify the vehicle’s original pump style, mounting pattern, and fuel line routing before installation. Confirm fitment against the exact year and model listed for your Chevrolet or GMC application, including C10 Suburban, K10 Suburban, and P-series truck configurations. Clean the mounting surface and inspect related fuel system components during replacement.

Quality Assurance

US Motor Works states that this mechanical fuel pump is engineered to meet or exceed OEM specifications and is built for dependable performance and durability in service.

This part fits 25 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1975ChevroletC20 Suburban4.8LL6N/A—
1975ChevroletG204.8LL6N/A—
1975ChevroletG304.8LL6N/A—
1975ChevroletK204.8LL6N/A—
1975ChevroletK20 Suburban4.8LL6N/A—
1975ChevroletP204.8LL6N/A—
1975ChevroletP304.8LL6N/A—
1974ChevroletC20 Suburban4.8LL6N/A—
1974ChevroletK20 Suburban4.8LL6N/A—
1973ChevroletC20 Suburban4.8LL6N/A—
1973ChevroletK20 Suburban4.8LL6N/A—
1972ChevroletC20 Suburban4.8LL6N/A—
1971ChevroletC20 Suburban4.8LL6N/A—
1971ChevroletK20 Suburban4.8LL6N/A—
1970ChevroletC20 Suburban4.8LL6N/A—
1970ChevroletK20 Suburban4.8LL6N/A—
1970GMCJimmy4.1LL6N/A—
1969ChevroletC20 Suburban4.8LL6N/A—
1969ChevroletK20 Suburban4.8LL6N/A—
1968ChevroletC20 Suburban4.8LL6N/A—
1968ChevroletK20 Suburban4.8LL6N/A—
1967ChevroletC10 Suburban4.8LL6N/A—
1967ChevroletC20 Suburban4.8LL6N/A—
1967ChevroletK10 Suburban4.8LL6N/A—
1967ChevroletK20 Suburban4.8LL6N/A—
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Airtex Fuel Pumps — 40446Delphi — MF0051Spectra Premium — SP1021MP