Gear Driven Vacuum Pump For Dodge 94-02 Ram 2500 3500 5.9L Cummins Diesel 904810

Gear Driven Vacuum Pump for Dodge

Gear driven vacuum pump assembly for 1994–2002 Dodge Ram 2500 and 3500 trucks with the 5.9L Cummins diesel engine; cross-references with OEM part number 904810.

Overview

This gear driven vacuum pump provides consistent vacuum supply for brake booster and HVAC controls on 1994–2002 Dodge Ram 2500 and 3500 models powered by the 5.9L Cummins diesel. The pump is driven directly off the engine timing gears, delivering dependable vacuum output for heavy-duty braking performance. Designed as a direct replacement for worn or leaking original units, this gear driven vacuum pump restores proper vacuum levels for improved pedal feel and accessory function.

Built For Performance

• Gear driven design ensures positive engagement with the engine timing system for consistent operation
• Precision machined housing maintains tight internal clearances for efficient vacuum generation
• Hardened steel drive gear resists wear under continuous high-load conditions
• Sealed bearing assembly minimizes friction and extends service life
• Direct bolt on installation matches factory mounting points without modification

Fits These Machines

• for Dodge Ram 2500 5.9L Cummins Diesel 1994–2002
• for Dodge Ram 3500 5.9L Cummins Diesel 1994–2002

On-The-Job Use

• Restoring brake booster vacuum after pump failure on high mileage trucks
• Fleet maintenance and scheduled replacement on work trucks
• Resolving stiff brake pedal caused by vacuum loss
• Replacing seized pumps that cause accessory drive issues

Specs At A Glance

Good To Know

Q: What symptoms indicate a failing vacuum pump? A: A failing gear driven vacuum pump often causes a hard brake pedal, hissing noise from the pump area, or reduced HVAC vent control. Checking for vacuum leaks at the pump and lines before replacement can help confirm the diagnosis.

Q: Does this pump require any special installation steps? A: Proper alignment of the drive gear with the engine timing gear is important during installation. Use a new gasket or sealant on the mounting surface and torque fasteners to the manufacturer specification to prevent oil leaks.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.