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12-H381272• Rear Center• Brake Hydraulic Hose
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GeoBrakes carries OEM-grade brake hydraulic hoses confirmed to fit the Gmc Sierra 2500, the critical flexible lines that carry brake fluid from the Sierra 2500 rigid steel brake lines to the calipers and wheel cylinders at each corner. Every Gmc Sierra 2500 hose is direct-fit, pressure-rated to OEM specification.
Standard/OE$21.26
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Standard/OE$27.17
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Brake hydraulic hoses on the Gmc Sierra 2500 are the flexible bridge between your Sierra 2500 rigid steel brake lines and the moving brake assemblies at each wheel. They flex with every suspension stroke and steering input on your Gmc Sierra 2500, delivering the hydraulic pressure that actuates your brakes on every stop. Because they are exposed to road salt, heat cycles, and the physical stresses of Sierra 2500 suspension movement, brake hoses deteriorate from the inside out on the Gmc Sierra 2500, and a failed hose can cause partial or complete loss of braking at that wheel.
American roads subject Gmc Sierra 2500 brake hoses to a combination of stresses that accelerate deterioration beyond what most service intervals account for. Road salt splashes directly onto Sierra 2500 hose end fittings and corrodes the metal crimps that seal the hose to the brake line. Repeated freeze-thaw cycles stress the Sierra 2500 hose rubber compound from the outside, while brake fluid moisture absorption attacks the inner reinforcement layer from within.
Brake hoses for the Gmc Sierra 2500 are among the most vehicle-specific brake parts. Length, end fitting type, mounting bracket position, and inner diameter are all determined by the Sierra 2500 brake system design. Our vehicle selector ensures you receive a hose with the correct dimensions and fitting geometry for the Gmc Sierra 2500, not a universal-fit compromise. Every Sierra 2500 hose meets OEM hydraulic pressure rating and flexibility specifications, with corrosion-resistant end fittings suited to American road salt exposure.
How often should brake hoses be replaced on a Gmc Sierra 2500?
In US, where road salt exposure on the Gmc Sierra 2500 is heavy, inspect Sierra 2500 hoses annually and replace at the first sign of surface cracking, bulging, or corrosion at the end fittings, or every 100,000 kilometres.
Can a damaged brake hose on my Gmc Sierra 2500 cause brake drag?
Yes. A Sierra 2500 hose that has deteriorated internally can collapse under pressure, allowing fluid to flow to the caliper when you brake but restricting the return flow when you release the pedal. This keeps the Gmc Sierra 2500 caliper partially engaged, causing brake drag, rapid pad and rotor wear, and heat buildup.
Should I replace brake hoses on my Gmc Sierra 2500 in pairs?
It is recommended to replace Gmc Sierra 2500 brake hoses as an axle pair. If one hose has reached the point of replacement, the hose on the opposite side of your Sierra 2500 has been exposed to the same conditions for the same period and is at a similar stage of deterioration.