HomeBrake > Hardware, Fasteners and FittingsDorman W37597 Drum Brake Wheel Cylinder - Rear
Part #: W37597

Dorman W37597 Drum Brake Wheel Cylinder - Rear

Rear
2 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: BMW, 318i
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Overview of Dorman Drum Brake Wheel Cylinder W37597

The Dorman W37597 drum brake wheel cylinder is designed specifically for BMW 318i models, providing reliable brake hydraulics performance. This component is essential for maintaining proper brake function and safety in your vehicle's drum brake system.

  • Includes bleeder screw for easy brake fluid bleeding
  • Cast iron construction for durability and strength
  • Bore diameter of 0.813 inches for precise fitment
  • Brake line inlet thread diameter of 10 mm with M10 x 1.0 thread size and 1.0 thread pitch
  • Package contains one drum brake wheel cylinder

Detailed Product Description

The Dorman drum brake wheel cylinder W37597 is engineered with a cast iron casting material, ensuring long-lasting durability under demanding braking conditions. The bore diameter of 0.813 inches is designed to match the specifications required for the BMW 318i, ensuring proper hydraulic pressure and brake shoe movement. The brake line inlet thread diameter measures 10 mm, with an M10 x 1.0 thread size and a 1.0 thread pitch, allowing for secure and leak-free brake line connections. This wheel cylinder includes a bleeder screw to facilitate the removal of air from the brake system, although it does not include a bleeder screw cap.

Compatible Vehicles and Applications

This drum brake wheel cylinder is compatible with BMW 318i models, making it a suitable replacement part for brake hydraulics maintenance or repair. The part number W37597 should be referenced to ensure correct fitment and compatibility with your vehicle's braking system.

  • Restores proper brake hydraulic pressure in drum brake systems
  • Addresses brake fluid leaks from worn or damaged wheel cylinders
  • Eliminates spongy or unresponsive brake pedal feel
  • Prevents uneven brake shoe wear caused by cylinder malfunction
  • Supports safe and consistent braking performance

Installation Notes and Tips

When installing the Dorman W37597 drum brake wheel cylinder, ensure the brake system is properly bled using the included bleeder screw to remove any trapped air. Verify that the brake line inlet threads match the M10 x 1.0 specification for a secure connection. Inspect brake shoes and hardware for wear during installation and replace as necessary. Proper torque specifications should be followed to avoid damage to the casting or threads.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The W37597 drum brake wheel cylinder undergoes rigorous quality control to ensure reliable performance. Please refer to Dorman's warranty policy for specific coverage details related to this part.

BrandDorman
Part NumberW37597
Bleeder Screw Cap IncludedNo
Bleeder Screw IncludedYes
Bore Diameter0.813
Brake Component Inlet Thread SizeM10 X 1.0
Brake Line Inlet Thread Diameter10
Casting MaterialCast Iron
Package Contents1 Drum Brake Wheel Cylinder
Thread Pitch1.0

This part fits 2 vehicles. Search below:

YearMakeModelPositionNotes
1985BMW318iRearCompatible with drum brake wheel cylinders with a 13/16 inch bore size.
1984BMW318iRearCompatible 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:

072-8311134.3410018E2193392034211154235784-62100F116963W-04100W906538WC13920WC37597

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