Dorman W37938 Wheel Cylinder

Out of stock
SKU: 591|W37938
Confirm Fitment Before You Buy
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 $58.85
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|W37938
  • Barcode 82702412640

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
1993 Chevrolet W5500 Tiltmaster Front Right Forward; Front Right Rearward Bore: 1.4375 In.
1993 GMC W5500 Forward Front Right Forward; Front Right Rearward Bore: 1.4375 In.
1993 Isuzu NRR Front Right Forward; Front Right Rearward Bore: 1.4375 In.
1992 Chevrolet W5500 Tiltmaster Front Right Forward; Front Right Rearward Bore: 1.4375 In.
1992 GMC W5500 Forward Front Right Forward; Front Right Rearward Bore: 1.4375 In.
1992 Isuzu NRR Front Right Forward; Front Right Rearward Bore: 1.4375 In.
1991 Chevrolet W5500 Tiltmaster Front Right Forward; Front Right Rearward Bore: 1.4375 In.
1991 GMC W5500 Forward Front Right Forward; Front Right Rearward Bore: 1.4375 In.
1991 Isuzu NRR Front Right Forward; Front Right Rearward Bore: 1.4375 In.
1990 Chevrolet W5500 Tiltmaster Front Right Forward; Front Right Rearward Bore: 1.4375 In.
1990 GMC W5500 Forward Front Right Forward; Front Right Rearward Bore: 1.4375 In.
1990 Isuzu NRR Front Right Forward; Front Right Rearward Bore: 1.4375 In.
1989 Chevrolet W5500 Tiltmaster Front Right Forward; Front Right Rearward Bore: 1.4375 In.
1989 GMC W5500 Forward Front Right Forward; Front Right Rearward Bore: 1.4375 In.
1989 Isuzu NRR Front Right Forward; Front Right Rearward Bore: 1.4375 In.
1988 Chevrolet W5500 Tiltmaster Front Right Forward; Front Right Rearward Bore: 1.4375 In.
1988 GMC W5500 Forward Front Right Forward; Front Right Rearward Bore: 1.4375 In.
1988 Isuzu NRR Front Right Forward; Front Right Rearward Bore: 1.4375 In.

Product Specifications

Bleeder Screw Cap Included: No
Bleeder Screw Included: Yes
Brake Component Inlet Thread Size: M10 X 1.0
Inside Diameter: 1.438 in
Material: Cast Iron
Package Contents: 1 Drum Brake Wheel Cylinder
Package Quantity: 1
Packaging Type: Box
Thread Diameter: 10 mm
Thread Pitch: 1.0

OE Numbers

DIRECT OE CROSS
1-47600-581-0 ISUZU
94054929 GENERAL MOTORS