Dorman W37985 Wheel Cylinder

In stock
SKU: 591|W37985
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Not sure it fits? Message Year/Make/Model/Engine (2WD/4WD if applicable) and we’ll help confirm compatibility.
Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
Regular price $14.63
Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.

Product details

  • SKU 591|W37985
  • Barcode 82702412992

Product Description

This direct replacement drum brake wheel cylinder was specifically engineered to match the fit, function and performance of the original wheel cylinder on particular vehicles. It is manufactured and tested for quality assurance.

  • Ideal replacement - specifically engineered to be direct match for original drum brake wheel cylinder on particular vehicles
  • Cost-effective fix - replacement of cylinder while servicing drum brakes is fastest, surest way to ensure brake performance
  • Quality materials - made with high-quality EPDM rubber cups and boots for long-lasting performance
  • Professionally tested - wheel cylinder bores are surface-tested to ensure an optimum sealing surface for the pressure cups

Detailed Applications

Year Make Model Configuration Positions Application Notes
2002 Chevrolet Express 1500 Rear Bore: 15/16 In.
2002 Chevrolet Express 2500 GAS Rear Bore: 15/16 In.; 11.15 In. x 2.75 In. Brakes
2002 GMC Savana 1500 Rear Bore: 15/16 In.
2002 GMC Savana 2500 GAS Rear Bore: 15/16 In.; 11.15 In. x 2.75 In. Brakes
2001 Chevrolet Express 1500 Rear Bore: 15/16 In.
2001 Chevrolet Express 2500 GAS Rear Bore: 15/16 In.; 11.15 In. x 2.75 In. Brakes
2001 GMC Savana 1500 Rear Bore: 15/16 In.
2001 GMC Savana 2500 GAS Rear Bore: 15/16 In.; 11.15 In. x 2.75 In. Brakes
2000 Chevrolet Express 1500 Rear Bore: 15/16 In.
2000 Chevrolet Express 2500 GAS Rear Bore: 15/16 In.; 11.15 In. x 2.75 In. Brakes
2000 GMC Savana 1500 Rear Bore: 15/16 In.
2000 GMC Savana 2500 GAS Rear Bore: 15/16 In.; 11.15 In. x 2.75 In. Brakes
1999 Cadillac DeVille Rear Bore: 15/16 In.
1999 Chevrolet Express 1500 Rear Bore: 15/16 In.
1999 Chevrolet Express 2500 GAS Rear Bore: 15/16 In.; 11.15 In. x 2.75 In. Brakes
1999 Dodge Ram 1500 Rear Bore: 15/16 In.
1999 Dodge Ram 2500 RWD Rear Bore: 15/16 In.
1999 GMC Savana 1500 Rear Bore: 15/16 In.
1999 GMC Savana 2500 GAS Rear Bore: 15/16 In.; 11.15 In. x 2.75 In. Brakes
1998 Cadillac DeVille Rear Bore: 15/16 In.
1998 Chevrolet Express 1500 Rear Bore: 15/16 In.
1998 Chevrolet Express 2500 GAS Rear Bore: 15/16 In.; 11.15 In. x 2.75 In. Brakes
1998 Dodge Ram 1500 Rear Bore: 15/16 In.
1998 Dodge Ram 2500 RWD Rear Bore: 15/16 In.
1998 GMC Savana 1500 Rear Bore: 15/16 In.
1998 GMC Savana 2500 GAS Rear Bore: 15/16 In.; 11.15 In. x 2.75 In. Brakes
1997 Cadillac DeVille Concours Submodel Rear Bore: 15/16 In.
1997 Chevrolet Express 1500 Rear Bore: 15/16 In.
1997 Chevrolet Express 2500 GAS Rear Bore: 15/16 In.; 11.15 In. x 2.75 In. Brakes
1997 Dodge Ram 1500 Rear Bore: 15/16 In.
1997 Dodge Ram 2500 RWD Rear Bore: 15/16 In.
1997 GMC Savana 1500 Rear Bore: 15/16 In.
1997 GMC Savana 2500 GAS Rear Bore: 15/16 In.; 11.15 In. x 2.75 In. Brakes
1996 Chevrolet Express 1500 Rear Bore: 15/16 In.
1996 Chevrolet Express 2500 GAS Rear Bore: 15/16 In.; 11.15 In. x 2.75 In. Brakes
1996 Dodge Ram 1500 Rear Bore: 15/16 In.
1996 Dodge Ram 2500 RWD Rear Bore: 15/16 In.
1996 GMC Savana 1500 Rear Bore: 15/16 In.
1996 GMC Savana 2500 GAS Rear Bore: 15/16 In.; 11.15 In. x 2.75 In. Brakes
1995 Dodge Ram 1500 Rear Bore: 15/16 In.
1995 Dodge Ram 2500 RWD Rear Bore: 15/16 In.
1994 Dodge Ram 1500 Rear Bore: 15/16 In.
1994 Dodge Ram 2500 RWD Rear Bore: 15/16 In.

Product Specifications

Bleeder Screw Cap Included: No
Bleeder Screw Included: Yes
Brake Component Inlet Thread Size: 3/8-24 in
Inside Diameter: 0.938 in
Material: Cast Iron
Package Contents: 1 Drum Brake Wheel Cylinder
Package Quantity: 1
Packaging Type: Box
Thread Diameter: 3/8

OE Numbers

DIRECT OE CROSS
18018766 GENERAL MOTORS
18020674 GENERAL MOTORS
18029766 GENERAL MOTORS
4761602 CHRYSLER