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 K5 Blazer, the hydraulic actuators at the top of each drum brake assembly that convert brake fluid pressure into the mechanical force that pushes the K5 Blazer shoes against the drum. Available in new and remanufactured options for your K5 Blazer, 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 K5 Blazer is the hydraulic component that actuates your K5 Blazer drum brake shoes every time you press the brake pedal. Brake fluid pressure from the master cylinder enters the K5 Blazer wheel cylinder and acts equally on two opposed pistons, pushing them outward simultaneously toward each shoe on the Chevrolet K5 Blazer. A leaking K5 Blazer 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 K5 Blazer.
Chevrolet K5 Blazer drum brake wheel cylinders are particularly vulnerable to corrosion in American road salt conditions. Salt water penetrates the dust boots over time on the K5 Blazer, attacking the cylinder bore surface. Once the Chevrolet K5 Blazer bore is pitted, new piston cup seals cannot maintain a leak-free seal. Internally corroded K5 Blazer cylinders must be replaced, not rebuilt. Vehicles in high-salt urban environments often require K5 Blazer 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 K5 Blazer. New cylinders are the stronger choice for K5 Blazer vehicles in high-corrosion environments. Remanufactured units offer excellent value for Chevrolet K5 Blazer vehicles in moderate conditions where the original bore was sound. Our vehicle selector confirms the correct K5 Blazer cylinder, right bore diameter, port location, and mounting configuration, for your K5 Blazer drum brake assembly before purchase.
Can I drive my Chevrolet K5 Blazer with a leaking wheel cylinder?
No. A leaking K5 Blazer cylinder actively loses hydraulic pressure from the brake circuit, reducing stopping force on your Chevrolet K5 Blazer over time. Brake fluid that reaches the K5 Blazer shoes renders the friction material ineffective. A leaking Chevrolet K5 Blazer wheel cylinder is an immediate safety concern that requires urgent attention.
Should I replace both wheel cylinders on my Chevrolet K5 Blazer at the same time?
Yes. If one K5 Blazer cylinder has leaked or seized due to age and corrosion, the cylinder on the opposite side of the Chevrolet K5 Blazer has experienced identical conditions and is at a similar stage of deterioration. Replacing both ensures balanced hydraulic pressure on your K5 Blazer and avoids a second service call within months.
Do I need to bleed the brakes on my Chevrolet K5 Blazer after replacing a wheel cylinder?
Yes. Replacing a K5 Blazer wheel cylinder opens the hydraulic circuit, allowing air to enter. After installation on the Chevrolet K5 Blazer, the entire rear brake circuit must be bled to remove all air and restore a firm, consistent brake pedal on your K5 Blazer.