Rear Drum Brake Wheel Cylinder 2 Piece Replacement Set For Chevy Silverado 1500 And GMC Sierra 1500 Trucks Fits 2005 To 2008 Silverado 1500 And Sierra 1500 Without Brake Shoe Hold Down Pins
✔️ 2 piece replacement set for Silverado 1500 rear drum brake wheel cylinders
This rear drum brake wheel cylinder set restores hydraulic pressure to the rear brake shoes on Chevrolet Silverado 1500 and GMC Sierra 1500 trucks. It is designed for models without brake shoe hold-down pins and serves as a direct replacement to restore braking performance.
✅ Bore: 15/16 in (23.81 mm); Inside diameter: 0.938 in (23.81 mm)
✅ Bleeder screw included: Yes; Bleeder screw cap included: No
✅ Brake component inlet thread size: M10 X 1.0; Thread diameter: 10 mm
✅ Material: Cast iron; Strict tests ensure safe operation: 0.2 MPa to 20 MPa and 120°C
✅ Fits rear driver and passenger sides; RPO code JF7; Reference numbers: W610131, WC370180, 18E1402, 19261402, 89059126, 19133369
💡 What is a drum brake wheel cylinder used for in rear braking systems and why replace it?
It converts brake fluid pressure into the force that pushes the brake shoes against the drum to slow or stop the vehicle.
- Converts hydraulic pressure into piston force to apply the brakes
- Leaks or wear can reduce braking efficiency and cause uneven stopping
- Replacing in a matched set helps maintain balanced rear braking performance
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