Dorman 285-5500 Mechanical Fuel Pump

Reliable Mechanical Fuel Pump for Automotive Applications

The Dorman 285-5500 mechanical fuel pump is engineered to deliver consistent fuel flow and pressure for a variety of vehicles. Designed with durable aluminum housing and precision fittings, this fuel pump supports efficient fuel delivery to maintain engine performance.

• Inlet outside diameter: 10 mm with flair fitting connection
• Maximum operating pressure of 85 psi for steady fuel supply
• Single outlet with 7.3 mm diameter flair fitting
• Constructed from corrosion-resistant aluminum housing
• Includes one gasket for proper sealing
• Two mounting holes for secure installation
• Male connection type for compatibility with standard fuel lines

Detailed Product Features and Specifications

The Dorman 285-5500 mechanical fuel pump features a robust aluminum housing that ensures durability and resistance to corrosion under typical engine bay conditions. Its inlet and outlet both utilize flair fittings, providing secure and leak-resistant connections. The pump supports a maximum pressure of 85 psi, suitable for regular grade fuel systems. With two mounting holes, it can be securely fastened to the engine block or mounting bracket. The included gasket helps maintain a tight seal to prevent fuel leaks. This pump is designed for vehicles requiring a mechanical fuel pump with a 10 mm inlet diameter and a 7.3 mm outlet diameter, making it compatible with various makes and models that specify these dimensions.

Common Applications and Problem Resolution

• Replaces failing or leaking mechanical fuel pumps in older vehicles
• Restores proper fuel pressure to prevent engine stalling or hesitation
• Eliminates fuel delivery interruptions caused by worn pump components
• Addresses fuel leaks due to damaged seals or gaskets
• Supports vehicles requiring a mechanical pump with flair fitting connections

Installation Notes and Tips

When installing the Dorman 285-5500 mechanical fuel pump, ensure the mounting surface is clean and free of debris. Use the included gasket to create a proper seal and prevent fuel leaks. Verify that the inlet and outlet flair fittings are securely connected to the corresponding fuel lines. Since mounting hardware is not included, retain original bolts or source compatible fasteners. Check fuel line routing to avoid kinks or sharp bends that could restrict flow. After installation, inspect for leaks and test fuel pressure to confirm proper operation.

Quality Assurance and Warranty Information

Dorman manufactures the 285-5500 mechanical fuel pump to meet or exceed OEM standards for fit, form, and function. The aluminum housing and precision fittings contribute to long service life under normal operating conditions. This fuel pump includes a gasket to ensure a reliable seal. While specific warranty details are not provided here, Dorman typically offers limited warranties on their replacement parts to cover defects in materials and workmanship.