Standard/OEIn stock
$12.52
10 items in stock
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14-WC37048• Rear• Drum Brake Wheel Cylinder
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GeoBrakes carries OEM-grade drum brake wheel cylinders confirmed to fit the Chevrolet P10, the hydraulic actuators at the top of each drum brake assembly that convert brake fluid pressure into the mechanical force that pushes the P10 shoes against the drum. Available in new and remanufactured options for your P10, every cylinder is bored to OEM specifications
Standard/OE$12.52
10 items in stock
Select your vehicle to see compatible products and accurate pricing
The drum brake wheel cylinder on the Chevrolet P10 is the hydraulic component that actuates your P10 drum brake shoes every time you press the brake pedal. Brake fluid pressure from the master cylinder enters the P10 wheel cylinder and acts equally on two opposed pistons, pushing them outward simultaneously toward each shoe on the Chevrolet P10. A leaking P10 wheel cylinder actively bleeds hydraulic pressure from the brake circuit and contaminates the brake shoes with fluid, both of which directly compromise your ability to stop the Chevrolet P10.
Chevrolet P10 drum brake wheel cylinders are particularly vulnerable to corrosion in American road salt conditions. Salt water penetrates the dust boots over time on the P10, attacking the cylinder bore surface. Once the Chevrolet P10 bore is pitted, new piston cup seals cannot maintain a leak-free seal. Internally corroded P10 cylinders must be replaced, not rebuilt. Vehicles in high-salt urban environments often require P10 wheel cylinder replacement on the same service interval as brake shoes.
GeoBrakes stocks both new OEM-specification wheel cylinders and quality remanufactured units for the Chevrolet P10. New cylinders are the stronger choice for P10 vehicles in high-corrosion environments. Remanufactured units offer excellent value for Chevrolet P10 vehicles in moderate conditions where the original bore was sound. Our vehicle selector confirms the correct P10 cylinder, right bore diameter, port location, and mounting configuration, for your P10 drum brake assembly before purchase.
Can I drive my Chevrolet P10 with a leaking wheel cylinder?
No. A leaking P10 cylinder actively loses hydraulic pressure from the brake circuit, reducing stopping force on your Chevrolet P10 over time. Brake fluid that reaches the P10 shoes renders the friction material ineffective. A leaking Chevrolet P10 wheel cylinder is an immediate safety concern that requires urgent attention.
Should I replace both wheel cylinders on my Chevrolet P10 at the same time?
Yes. If one P10 cylinder has leaked or seized due to age and corrosion, the cylinder on the opposite side of the Chevrolet P10 has experienced identical conditions and is at a similar stage of deterioration. Replacing both ensures balanced hydraulic pressure on your P10 and avoids a second service call within months.
Do I need to bleed the brakes on my Chevrolet P10 after replacing a wheel cylinder?
Yes. Replacing a P10 wheel cylinder opens the hydraulic circuit, allowing air to enter. After installation on the Chevrolet P10, the entire rear brake circuit must be bled to remove all air and restore a firm, consistent brake pedal on your P10.