Dorman W370055 Wheel Cylinder

In stock
SKU: 591|W370055
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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 $15.83
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|W370055
  • Barcode 82702409060

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
2005 Chevrolet Classic Rear Bore: 7/8 In.
2005 Pontiac Grand Am Rear Bore: 7/8 In.
2004 Chevrolet Classic Rear Bore: 7/8 In.
2004 Oldsmobile Alero Rear Bore: 7/8 In.
2004 Pontiac Grand Am Rear Bore: 7/8 In.
2003 Chevrolet Malibu Rear Bore: 7/8 In.
2003 Oldsmobile Alero Rear Bore: 7/8 In.
2003 Pontiac Grand Am Rear Bore: 7/8 In.
2002 Chevrolet Malibu Rear Bore: 7/8 In.
2002 Pontiac Grand Am Rear Bore: 7/8 In.
2001 Chevrolet Malibu Rear Bore: 7/8 In.
2001 Pontiac Grand Am Rear Bore: 7/8 In.
2000 Chevrolet Malibu Rear Bore: 7/8 In.
2000 Pontiac Grand Am Rear Bore: 7/8 In.
1999 Chevrolet Malibu Rear Bore: 7/8 In.
1999 Oldsmobile Cutlass Rear Bore: 7/8 In.
1999 Pontiac Grand Am Rear Bore: 7/8 In.
1998 Chevrolet Malibu Rear Bore: 7/8 In.
1998 Oldsmobile Cutlass Rear Bore: 7/8 In.
1997 Chevrolet Cutlass Mexico Region Rear Bore: 7/8 In.
1997 Chevrolet Malibu Rear Bore: 7/8 In.
1997 Oldsmobile Cutlass Rear Bore: 7/8 In.
1989 Cadillac Fleetwood Rear Commercial Chassis; Bore: 7/8 In.
1981 Pontiac Grand LeMans Rear Bore: 7/8 In.
1981 Pontiac LeMans Rear Bore: 7/8 In.
1980 Pontiac Grand LeMans Rear Bore: 7/8 In.
1980 Pontiac LeMans Rear Bore: 7/8 In.

Product Specifications

Bleeder Screw Cap Included: No
Bleeder Screw Included: Yes
Brake Component Inlet Thread Size: M10 X 1.5
Inside Diameter: 0.875 in
Material: Cast Iron
Package Contents: 1 Drum Brake Wheel Cylinder
Package Quantity: 1
Packaging Type: Box
Thread Diameter: 10 mm
Thread Pitch: 1.5 mm

OE Numbers

DIRECT OE CROSS
18029868 GENERAL MOTORS
18039335 GENERAL MOTORS
19175667 GENERAL MOTORS