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 G10, the hydraulic actuators at the top of each drum brake assembly that convert brake fluid pressure into the mechanical force that pushes the G10 shoes against the drum. Available in new and remanufactured options for your G10, 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 G10 is the hydraulic component that actuates your G10 drum brake shoes every time you press the brake pedal. Brake fluid pressure from the master cylinder enters the G10 wheel cylinder and acts equally on two opposed pistons, pushing them outward simultaneously toward each shoe on the Chevrolet G10. A leaking G10 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 G10.
Chevrolet G10 drum brake wheel cylinders are particularly vulnerable to corrosion in American road salt conditions. Salt water penetrates the dust boots over time on the G10, attacking the cylinder bore surface. Once the Chevrolet G10 bore is pitted, new piston cup seals cannot maintain a leak-free seal. Internally corroded G10 cylinders must be replaced, not rebuilt. Vehicles in high-salt urban environments often require G10 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 G10. New cylinders are the stronger choice for G10 vehicles in high-corrosion environments. Remanufactured units offer excellent value for Chevrolet G10 vehicles in moderate conditions where the original bore was sound. Our vehicle selector confirms the correct G10 cylinder, right bore diameter, port location, and mounting configuration, for your G10 drum brake assembly before purchase.
Can I drive my Chevrolet G10 with a leaking wheel cylinder?
No. A leaking G10 cylinder actively loses hydraulic pressure from the brake circuit, reducing stopping force on your Chevrolet G10 over time. Brake fluid that reaches the G10 shoes renders the friction material ineffective. A leaking Chevrolet G10 wheel cylinder is an immediate safety concern that requires urgent attention.
Should I replace both wheel cylinders on my Chevrolet G10 at the same time?
Yes. If one G10 cylinder has leaked or seized due to age and corrosion, the cylinder on the opposite side of the Chevrolet G10 has experienced identical conditions and is at a similar stage of deterioration. Replacing both ensures balanced hydraulic pressure on your G10 and avoids a second service call within months.
Do I need to bleed the brakes on my Chevrolet G10 after replacing a wheel cylinder?
Yes. Replacing a G10 wheel cylinder opens the hydraulic circuit, allowing air to enter. After installation on the Chevrolet G10, the entire rear brake circuit must be bled to remove all air and restore a firm, consistent brake pedal on your G10.