HomeBrake > Hardware, Fasteners and FittingsDorman W37117 Drum Brake Wheel Cylinder - Rear
Part #: W37117

Dorman W37117 Drum Brake Wheel Cylinder - Rear

Rear
9 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet, GMC, and Oldsmobile, G10 Van, G15/G1500 Van, 442, Cutlass, F85, and G1500
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Overview of Dorman Drum Brake Wheel Cylinder W37117

The Dorman W37117 drum brake wheel cylinder is designed specifically for Oldsmobile Cutlass models, providing reliable brake hydraulics performance. Crafted from durable cast iron, this wheel cylinder ensures consistent braking pressure and long-lasting service.

Key Features of the Dorman W37117 Wheel Cylinder

  • Includes bleeder screw for easy brake fluid bleeding
  • Constructed from cast iron for strength and durability
  • Bore diameter of 0.813 inches for precise fitment
  • Brake component inlet thread size of 3/8-24 inches
  • Thread diameter of 3/8 inch for secure installation
  • Package contains one drum brake wheel cylinder

Detailed Product Description

The Dorman W37117 drum brake wheel cylinder is engineered to meet the specific hydraulic requirements of the Oldsmobile Cutlass. Its cast iron casting material offers resistance to wear and corrosion, maintaining brake system integrity over time. The included bleeder screw facilitates proper brake fluid evacuation during maintenance, although the bleeder screw cap is not included. With a bore diameter of 0.813 inches and a brake component inlet thread size of 3/8-24 inches, this wheel cylinder ensures compatibility and secure connection within the brake system. The 3/8 inch thread diameter further supports a reliable fit, minimizing the risk of leaks or component failure.

Common Applications and Issues Addressed

  • Replacement for leaking or damaged drum brake wheel cylinders on Oldsmobile Cutlass
  • Restores proper hydraulic pressure in the brake system
  • Eliminates brake fluid leaks that cause reduced braking efficiency
  • Resolves brake pedal softness or sponginess due to cylinder failure
  • Prevents uneven brake shoe wear caused by malfunctioning wheel cylinders

Installation Notes and Tips

  • Ensure compatibility with Oldsmobile Cutlass models before installation
  • Use the included bleeder screw to properly bleed the brake system after installation
  • Inspect brake lines and fittings for damage or corrosion during replacement
  • Apply appropriate thread sealant or lubricant as recommended by vehicle manufacturer
  • Test brake system thoroughly to confirm proper operation before driving

Quality Assurance and Warranty Information

Dorman manufactures the W37117 wheel cylinder to meet or exceed OEM specifications for fit, form, and function. The cast iron construction supports durability under typical operating conditions. While specific warranty details are not provided here, Dorman products generally come with a limited warranty against defects in material and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.

BrandDorman
Part NumberW37117
Bleeder Screw Cap IncludedNo
Bleeder Screw IncludedYes
Bore Diameter0.813
Brake Component Inlet Thread Size3/8-24 in
Casting MaterialCast Iron
Package Contents1 Drum Brake Wheel Cylinder
Thread Diameter3/8

This part fits 9 vehicles. Search below:

YearMakeModelPositionNotes
1970GMCG15/G1500 VanRearCompatible with drum brake wheel cylinders with a 13/16 inch bore size.
1969GMCG15/G1500 VanRearCompatible with drum brake wheel cylinders with a 13/16 inch bore size.
1969OldsmobileCutlassRearBore: 13/16 In.; Drum Brake Wheel Cylinder
1968GMCG15/G1500 VanRearCompatible with drum brake wheel cylinders with a 13/16 inch bore size.
1968OldsmobileCutlassRearBore: 13/16 In.; Drum Brake Wheel Cylinder
1967GMCG15/G1500 VanRearCompatible with drum brake wheel cylinders with a 13/16 inch bore size.
1967OldsmobileCutlassRearBore: 13/16 In.; Drum Brake Wheel Cylinder
1966GMCG1500RearCompatible with drum brake wheel cylinders with a 13/16 inch bore size.
1965GMCG1500RearCompatible with drum brake wheel cylinders with a 13/16 inch bore size.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

134.6203433516542227856407W84-36034F56407W-82034W906257WC253330WC37117

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.