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$23.27
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K14-100062• Rear• Drum Brake Wheel Cylinder Kits
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GeoBrakes stocks complete drum brake wheel cylinder kits confirmed to fit the Gmc K2500 Suburban, pairing an OEM-grade wheel cylinder with every seal, boot, spring, and bleeder screw required for a full hydraulic actuator replacement on your K2500 Suburban. Every kit is sourced to the exact bore diameter and seal specification for the Gmc K2500 Suburban, built for American road salt conditions, and ships with a 100% fitment guarantee and free delivery on orders over $99.
Standard/OE$23.27
10 items in stock
Select your vehicle to see compatible products and accurate pricing
Your Gmc K2500 Suburban rear drum brakes rely on the wheel cylinder to convert hydraulic pressure into the mechanical force that pushes the brake shoes against the drum. When the wheel cylinder on your K2500 Suburban leaks, seizes, or develops a soft piston seal, the rear brake circuit is compromised on that corner. A complete wheel cylinder kit from GeoBrakes restores every hydraulic component at that wheel simultaneously, delivering a brake circuit that holds pressure reliably through the next service interval on your Gmc K2500 Suburban.
The most common drum brake wheel cylinder mistake is replacing the cylinder on a Gmc K2500 Suburban while reusing worn dust boots and deteriorated cup seals. In American conditions, where road salt attacks rubber components and corrodes bore surfaces on the K2500 Suburban, a new cylinder fitted with old boots is a failure waiting to happen. A complete wheel cylinder kit ensures every hydraulic component at that wheel is renewed together, regardless of whether the Gmc K2500 Suburban has accumulated 80,000 or 180,000 kilometres of American road use.
Kit contents are specific to the Gmc K2500 Suburban application and bore specification. A complete kit for your K2500 Suburban includes the wheel cylinder at the OEM bore diameter for the Gmc K2500 Suburban, piston cup seals preventing fluid bypass past the pistons, dust boots protecting each piston end from road salt and moisture infiltration common in American winters on the K2500 Suburban, the internal spring maintaining cup seal contact under low pressure, and the bleeder screw for replacement if the original is corroded from road salt exposure on your Gmc K2500 Suburban.
Wheel cylinder bore diameter and seal specification must match the Gmc K2500 Suburban exactly. An incorrect bore size or wrong seal compound produces immediate hydraulic failure on your K2500 Suburban. Every kit in the GeoBrakes catalogue is confirmed for the Gmc K2500 Suburban year, axle position, and bore specification through our vehicle selector, with both new and remanufactured cylinder options available. New cylinders are recommended for Gmc K2500 Suburban vehicles with heavy road salt exposure or where the original bore surface was corroded.
Can I rebuild the existing wheel cylinder on my Gmc K2500 Suburban instead of replacing it?
A rebuild is only viable if the cylinder bore of the Gmc K2500 Suburban is completely free of pitting and corrosion. In American conditions, where road salt routinely damages bore surfaces on the K2500 Suburban, a rebuild kit applied to a corroded cylinder will not hold pressure long-term. A complete replacement kit is the more reliable and cost-effective solution for most Gmc K2500 Suburban applications.
Do I need to bleed the brakes on my Gmc K2500 Suburban after installing the kit?
Yes. Installing a new wheel cylinder on the Gmc K2500 Suburban opens the hydraulic circuit, allowing air to enter the system. After installation, the rear brake circuit must be bled at the K2500 Suburban cylinder bleeder screw to purge all air and restore a firm brake pedal. Use fresh brake fluid meeting the Gmc K2500 Suburban specification during the bleed procedure.
Should I replace wheel cylinders on both sides of my Gmc K2500 Suburban at the same time?
Yes. If one wheel cylinder on your Gmc K2500 Suburban has failed or leaked, the cylinder on the opposite rear wheel has been exposed to identical conditions for the same period. Replacing both as an axle pair on the K2500 Suburban restores balanced hydraulic pressure and avoids a repeat service call within months.