HomeBrake > Brake HydraulicsDorman W37975 Drum Brake Wheel Cylinder - Rear Right
Part #: W37975

Dorman W37975 Drum Brake Wheel Cylinder - Rear Right

Rear Right
⚙️ 14 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, Geo, and Suzuki, Sidekick, Tracker, and X-90
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Reliable Drum Brake Wheel Cylinder for Chevrolet, Geo, and Suzuki

The Dorman W37975 drum brake wheel cylinder is engineered to restore proper braking function for select Chevrolet, Geo, and Suzuki models. Designed with durable cast iron construction and precise specifications, this component ensures consistent hydraulic pressure within your drum brake system.

Key Features of the Dorman W37975 Wheel Cylinder

  • Constructed from cast iron for strength and durability
  • Bore diameter of 0.875 inches for accurate fitment
  • Brake line inlet thread size M10 x 1.0 with a 10 mm diameter
  • Thread pitch of 1.0 for secure brake line connection
  • Includes one drum brake wheel cylinder per package
  • Bleeder screw and bleeder screw cap not included

Detailed Product Description

The Dorman W37975 drum brake wheel cylinder is specifically designed for use in Chevrolet Sidekick, Geo Tracker, and Suzuki X-90 vehicles. Its cast iron casting material provides reliable resistance to wear and corrosion, essential for maintaining brake system integrity. The 0.875-inch bore diameter ensures proper hydraulic pressure is applied to the brake shoes, facilitating effective stopping power. The brake line inlet thread size of M10 x 1.0 with a 10 mm diameter and 1.0 thread pitch allows for a precise and secure connection to the brake line, minimizing the risk of leaks or failure.

Common Applications and Issues Addressed

  • Restores braking performance in Chevrolet Sidekick, Geo Tracker, and Suzuki X-90 drum brake systems
  • Replaces leaking or seized wheel cylinders causing brake fluid loss
  • Eliminates uneven brake shoe wear due to faulty hydraulic pressure
  • Resolves spongy or soft brake pedal feel related to wheel cylinder failure
  • Prevents brake drag caused by sticking pistons within the cylinder

Installation Notes and Tips

When installing the Dorman W37975 wheel cylinder, ensure the brake system is properly bled to remove any air pockets. Since this part does not include a bleeder screw or cap, use the existing hardware or source compatible components separately. Verify thread compatibility with your vehicle’s brake line to avoid cross-threading. Inspect brake shoes and drums for wear during installation and replace if necessary to maintain optimal braking performance.

Quality Assurance and Warranty

Dorman manufactures the W37975 wheel cylinder to meet or exceed OEM specifications, using cast iron for durability and long service life. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in material and workmanship. Refer to Dorman’s official documentation for exact warranty terms.

BrandDorman
Part NumberW37975
Bleeder Screw IncludedNo
Brake Line Inlet Thread Diameter10
Bleeder Screw Cap IncludedNo
Casting MaterialCast iron
Bore Diameter0.875
Brake Component Inlet Thread SizeM10 x 1.0
Package Contents1 drum brake wheel cylinder
Thread Pitch1.0

This part fits 14 vehicles. Search below:

YearMakeModel# DoorsPositionNotes
1998ChevroletTrackerRear RightFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.
1998SuzukiSidekickRear RightFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.
1998SuzukiX-90Rear RightFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.
1997GeoTracker4 DoorRear RightFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.
1997SuzukiSidekickRear RightFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.
1997SuzukiX-90Rear RightFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.
1996GeoTracker4 DoorRear RightFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.
1996SuzukiSidekickRear RightFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.
1996SuzukiX-90Rear RightFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.
1995SuzukiSidekick4 DoorRear RightFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.
1994SuzukiSidekick4 DoorRear RightFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.
1993SuzukiSidekick4 DoorRear RightFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.
1992SuzukiSidekick4 DoorRear RightFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.
1991SuzukiSidekick4 DoorRear RightFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.

* 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:

072-8966134.48013172-2258340905340156B6084-1001391172682F129464W-50013W906717WC14090WC37975

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