Carter M4553 Mechanical Fuel Pump

Reliable Mechanical Fuel Pump for Buick Models

The Carter M4553 mechanical fuel pump is designed to provide consistent fuel delivery for select Buick vehicles. Engineered for models like the Century, LeSabre, Riviera, Roadmaster, and Skylark, this fuel pump ensures proper fuel flow and pressure to maintain engine performance.

• Mechanical fuel pump with tube inlet and threaded outlet
• Includes gasket or seal for secure installation
• Single outlet with 1/8-27 NPSF threaded fitting
• Flow rating of 35 minimum for steady fuel supply
• Pressure range between 5.5 and 7 PSI for optimal operation
• Compatible with Buick Century, LeSabre, Riviera, Roadmaster, and Skylark

Product Features and Specifications

The Carter M4553 mechanical fuel pump features a tube-type inlet and a single threaded outlet designed to fit securely with a 1/8-27 NPSF thread size. It delivers a minimum flow rating of 35, ensuring adequate fuel supply to the engine. The pump operates within a pressure range of 5.5 to 7 PSI, which is critical for maintaining proper fuel system function. This pump includes a gasket or seal to help prevent leaks during installation, although mounting hardware is not included.

Applications and Problem Solving

This mechanical fuel pump is compatible with several Buick models, including the Century, LeSabre, Riviera, Roadmaster, and Skylark. It is designed to address common fuel delivery issues such as:

• Inconsistent fuel flow causing engine hesitation
• Low fuel pressure leading to poor engine performance
• Fuel leaks due to worn or missing seals
• Mechanical pump failure from wear or damage
• Replacement for original equipment in classic Buick vehicles

Installation Notes and Tips

When installing the Carter M4553 mechanical fuel pump, ensure the gasket or seal is properly seated to prevent fuel leaks. Since mounting hardware is not included, use the existing hardware or source compatible fasteners. Verify the inlet and outlet connections match the tube and threaded fittings on your vehicle’s fuel system. Proper torque on fittings and mounting bolts is essential to maintain a secure and leak-free installation.

Quality Assurance and Warranty

Carter mechanical fuel pumps are manufactured to meet OEM specifications for reliable performance. The M4553 part undergoes quality checks to ensure consistent flow and pressure ratings. This product includes a gasket or seal to support a proper installation. Warranty details should be confirmed with the distributor or manufacturer, as coverage may vary.