US Motor Works USMP50478 Mechanical Fuel Pump

Mechanical Fuel Pump for Reliable Fuel Delivery

US Motor Works Part Number USMP50478 is a mechanical fuel pump built for steady fuel delivery in classic truck applications. It is engineered to meet or exceed OEM specifications and uses durable materials for dependable operation in demanding conditions.

Compatible with Chevrolet and GMC V-series and K-series trucks, including 1989 Chevrolet V3500 and 1987-1989 GMC V3500 applications, this pump is a direct-fit service part for restoring proper fuel flow. The USMP50478 is also cross-referenced to Delphi MF0106 and MAHLE 41615 for the same application.

Key Features

• Mechanical fuel pump for carbureted fuel delivery systems
• Built to meet or exceed OEM specifications
• Constructed from high-quality materials for durability
• Supports consistent fuel flow to the engine
• US Motor Works Part Number USMP50478

Fitment Details

• Fits 1989 Chevrolet V3500, N/A.
• Fits 1987-1989 GMC V3500, N/A.
• Fits 1987-1988 Chevrolet V30, N/A.
• Fits 1986 Chevrolet K30, N/A.
• Fits 1981-1983 Chevrolet K30, N/A.
• Fits 1981-1986 GMC K3500, N/A.

What This Fuel Pump Helps Address

• Hard starting caused by weak fuel delivery
• Engine hesitation from inconsistent fuel supply
• Fuel starvation under normal driving conditions
• Loss of performance from a worn mechanical pump
• Service replacement for aging Chevrolet and GMC truck fuel systems

Installation Notes and Tips

Verify the existing pump style and mounting pattern before installation. Inspect fuel lines, gaskets, and the fuel system for wear or contamination during replacement. Confirm the application against the vehicle’s year, make, and model, especially on Chevrolet K30, Chevrolet V30, GMC K3500, and GMC V3500 trucks.

Quality Assurance

US Motor Works manufactures this mechanical fuel pump to meet or exceed OEM specifications for fit and performance. Part Number USMP50478 is intended for dependable service in the listed Chevrolet and GMC applications.