Dorman 300-702 Vacuum Pump Pulley

Vacuum Pump Pulley for GM Applications

This Dorman vacuum pump pulley is a standard replacement for select Chevrolet and GMC vehicles that use a serpentine belt system. Built from steel with a black finish, it is made to match the original pulley’s fit and function for dependable operation on the specified applications.

• Brand: Dorman
• Part number: 300-702
• Steel construction for durability
• Black housing color/finish
• Serpentine belt type
• Smooth pulley design
• Outside diameter: 4.91 in.
• Width: 0.98 in.
• Standard replacement item grade

Detailed Product Overview

Dorman 300-702 is a vacuum pump pulley engineered to replicate the original pulley’s fit and function on select GM trucks, vans, and SUVs. It is designed for vehicles including Chevrolet Express 2500, Chevrolet Express 3500, GMC Savana 2500, GMC Savana 3500, and other listed Chevrolet and GMC applications. The steel construction and smooth pulley profile support consistent belt engagement in serpentine drive systems. This part cross-references GM OE part number 15589757 for the same application.

Vehicle Fitment

• Fits 1996-2002 Chevrolet Express 2500, N/A
• Fits 1996-2002 Chevrolet Express 3500, N/A
• Fits 1996-2002 GMC Savana 2500, N/A
• Fits 1996-2002 GMC Savana 3500, N/A
• Fits 1996-2000 Chevrolet C2500, N/A
• Fits 1996-2000 Chevrolet C3500, N/A
• Fits 1996-2000 Chevrolet K2500, N/A
• Fits 1996-2000 Chevrolet K3500, N/A
• Fits 1996-2000 GMC C2500, N/A
• Fits 1996-2000 GMC C3500, N/A
• Fits 1996-2000 GMC K2500, N/A
• Fits 1996-2000 GMC K3500, N/A
• Fits 1996-1999 Chevrolet C1500 Suburban, N/A
• Fits 1996-1999 Chevrolet C2500 Suburban, N/A
• Fits 1996-1999 Chevrolet K1500 Suburban, N/A
• Fits 1996-1999 Chevrolet K2500 Suburban, N/A
• Fits 1996-1999 Chevrolet P30, N/A
• Fits 1996-1999 Chevrolet Tahoe, N/A
• Fits 1996-1999 GMC C1500 Suburban, N/A
• Fits 1996-1999 GMC C2500 Suburban, N/A
• Fits 1996-1999 GMC K1500 Suburban, N/A
• Fits 1996-1999 GMC K2500 Suburban, N/A
• Fits 1996-1999 GMC P3500, N/A
• Fits 1996-1998 Chevrolet C1500, N/A
• Fits 1996-1998 Chevrolet K1500, N/A
• Fits 1996-1998 GMC K1500, N/A
• Fits 1996-1997 GMC C1500, N/A
• Fits 1996-1997 GMC Yukon, N/A
• Fits 1988-1995 Chevrolet C1500, N/A, w/RPO Code C60 (Front Manual Temperature Controls)
• Fits 1995 Chevrolet C1500 Suburban, N/A, w/RPO Code C60 (Front Manual Temperature Controls)
• Fits 1988-1995 Chevrolet C2500, N/A, w/RPO Code C60 (Front Manual Temperature Controls)
• Fits 1994-1995 Chevrolet C2500 Suburban, N/A, w/RPO Code C60 (Front Manual Temperature Controls)
• Fits 1988-1995 Chevrolet C3500, N/A, w/RPO Code C60 (Front Manual Temperature Controls)
• Fits 1988-1995 Chevrolet K1500, N/A, w/RPO Code C60 (Front Manual Temperature Controls)
• Fits 1995 Chevrolet K1500 Suburban, N/A, w/RPO Code C60 (Front Manual Temperature Controls)
• Fits 1988-1995 Chevrolet K2500, N/A, w/RPO Code C60 (Front Manual Temperature Controls)
• Fits 1994-1995 Chevrolet K2500 Suburban, N/A, w/RPO Code C60 (Front Manual Temperature Controls)
• Fits 1988-1995 Chevrolet K3500, N/A, w/RPO Code C60 (Front Manual Temperature Controls)
• Fits 1995 Chevrolet Tahoe, N/A, w/RPO Code C60 (Front Manual Temperature Controls)
• Fits 1988-1995 GMC C1500, N/A, w/RPO Code C60 (Front Manual Temperature Controls)
• Fits 1995 GMC C1500 Suburban, N/A, w/RPO Code C60 (Front Manual Temperature Controls)
• Fits 1988-1995 GMC C2500, N/A, w/RPO Code C60 (Front Manual Temperature Controls)
• Fits 1994-1995 GMC C2500 Suburban, N/A, w/RPO Code C60 (Front Manual Temperature Controls)
• Fits 1988-1995 GMC C3500, N/A, w/RPO Code C60 (Front Manual Temperature Controls)
• Fits 1988-1995 GMC K1500, N/A, w/RPO Code C60 (Front Manual Temperature Controls)
• Fits 1995 GMC K1500 Suburban, N/A, w/RPO Code C60 (Front Manual Temperature Controls)
• Fits 1988-1995 GMC K2500, N/A, w/RPO Code C60 (Front Manual Temperature Controls)
• Fits 1994-1995 GMC K2500 Suburban, N/A, w/RPO Code C60 (Front Manual Temperature Controls)
• Fits 1988-1995 GMC K3500, N/A, w/RPO Code C60 (Front Manual Temperature Controls)
• Fits 1994-1995 GMC Yukon, N/A, w/RPO Code C60 (Front Manual Temperature Controls)
• Fits 1994 Chevrolet Blazer, N/A, w/RPO Code C60 (Front Manual Temperature Controls)

Common Repair Uses

• Replacing a worn or damaged vacuum pump pulley on GM trucks and vans
• Restoring proper serpentine belt tracking on the vacuum pump drive
• Addressing pulley noise caused by wear, corrosion, or surface damage
• Correcting belt alignment issues related to an out-of-spec pulley
• Repairing vacuum pump drive components on Chevrolet and GMC C/K, Suburban, Tahoe, Yukon, Express, and Savana models

Installation Notes

Verify the vehicle’s RPO code and belt system before ordering, especially on 1988-1995 applications with C60 front manual temperature controls. Confirm pulley dimensions, belt type, and mounting configuration against the original part before installation. Dorman 300-702 is a direct-fit replacement for the listed applications and is intended for use with a serpentine belt setup.

Quality Assurance

Dorman manufactures this pulley as a standard replacement part using quality materials for reliable service and durability. The design is based on the original pulley’s fit and function for the specified GM applications, including Chevrolet Express, GMC Savana, and related C/K truck and SUV platforms.