Dorman Products

Dorman W37780 Wheel Cylinder

In stock
SKU: 591|W37780
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
$14.89
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|W37780
  • Barcode 82702411988

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Description

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
1992 Buick Century Wagon Rear Bore: 13/16 In.; w/RPO Code JA8 (Medium Duty Brakes)
1992 Oldsmobile Cutlass Ciera Wagon Rear Bore: 13/16 In.; w/RPO Code JA8 (Medium Duty Brakes)
1991 Buick Century Wagon Rear Bore: 13/16 In.; w/RPO Code JA8 (Medium Duty Brakes)
1991 Oldsmobile Cutlass Ciera Wagon Rear Bore: 13/16 In.; w/RPO Code JA8 (Medium Duty Brakes)
1991 Pontiac 6000 Wagon Rear Bore: 13/16 In.; w/RPO Code JA8 (Medium Duty Brakes)
1990 Buick Century Wagon Rear Bore: 13/16 In.; w/RPO Code JA8 (Medium Duty Brakes)
1990 Chevrolet Celebrity Rear Bore: 13/16 In.; w/RPO Code JA8 (Medium Duty Brakes)
1990 Oldsmobile Cutlass Ciera Rear Bore: 13/16 In.; w/RPO Code JA8 (Medium Duty Brakes); Wagon
1990 Pontiac 6000 Wagon Rear Bore: 13/16 In.; w/RPO Code JA8 (Medium Duty Brakes)
1989 Buick Century Wagon Rear Bore: 13/16 In.; w/RPO Code JA8 (Medium Duty Brakes)
1989 Chevrolet Celebrity Wagon Rear Bore: 13/16 In.; w/RPO Code JA8 (Medium Duty Brakes)
1989 Oldsmobile Cutlass Ciera Rear Bore: 13/16 In.; w/RPO Code JA8 (Medium Duty Brakes); Wagon
1989 Pontiac 6000 Wagon Rear Bore: 13/16 In.; w/RPO Code JA8 (Medium Duty Brakes)
1988 Buick Century Wagon Rear Bore: 13/16 In.; w/RPO Code JA8 (Medium Duty Brakes)
1988 Chevrolet Celebrity Wagon Rear Bore: 13/16 In.; w/RPO Code JA8 (Medium Duty Brakes)
1988 Oldsmobile Cutlass Ciera Rear Bore: 13/16 In.; w/RPO Code JA8 (Medium Duty Brakes); Wagon
1988 Pontiac 6000 Wagon Rear Bore: 13/16 In.; w/RPO Code JA8 (Medium Duty Brakes)

Product Specifications

Bleeder Screw Cap Included: No
Bleeder Screw Included: Yes
Brake Component Inlet Thread Size: M10 X 1.0
Inside Diameter: 0.813 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
18014589 GENERAL MOTORS