Dorman 904-810 Vacuum Pump

Dorman 904-810 Vacuum Pump for Ram HD

This Dorman vacuum pump is a direct-fit replacement for mechanically driven vacuum pump applications on select Dodge Ram 2500 and Ram 3500 trucks. Built with a metal housing, pulley, gear drive, and integrated relief valve, it restores vacuum supply for vehicle systems that depend on consistent pump output.

Key Features

• Direct replacement vacuum pump for OE fit and function
• Metal housing for durable service
• Gear-drive design for mechanically driven applications
• Pulley included for proper installation
• Gasket or seal included
• Barbed connector with multiple inlet and outlet sizes: 3/8 in, 1/2 in, 5/8 in, 3/4 in, and 1 in
• Relief valve included for controlled operation
• Package contents: pump assembly and gasket

Detailed Description

Dorman 904-810 is engineered to match the fit and function of the original equipment vacuum pump on 1994-2002 Dodge Ram 2500 and 1994-2002 Dodge Ram 3500 models. It is built from durable materials and uses a gear-drive system to support reliable operation of vacuum-operated vehicle functions. This part cross-references Cardone New 90-1309 and Cardone Reman 64-1302 for the same application.

For Ram HD trucks that rely on a mechanically driven vacuum source, this replacement pump helps restore stable vacuum delivery and consistent system performance. The Dorman 904-810 is a practical choice when replacing a worn or failing pump on Dodge Ram 2500 and Ram 3500 applications.

What It Helps Fix

• Loss of vacuum supply from a worn pump
• Inconsistent operation of vacuum-operated vehicle functions
• Noisy or inefficient mechanically driven pump performance
• Vacuum leaks related to pump housing or seal wear
• Reduced system response caused by pump failure

Installation Notes and Tips

Compatible with 1994-2002 Dodge Ram 2500 and 1994-2002 Dodge Ram 3500 applications listed for mechanically driven vacuum pump fitment. Verify inlet and outlet hose sizing before installation, and confirm the gear-drive configuration matches the original unit. The included gasket or seal should be used during installation to help ensure a proper seal.

Quality Assurance

This replacement vacuum pump is built to match OE fit and function using durable materials for reliable service. Dorman 904-810 is intended for direct replacement use on the specified Dodge Ram HD applications.