Standard/OEIn stock
$12.40
10 items in stock
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14-WC37857• Rear• Drum Brake Wheel Cylinder
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GeoBrakes carries OEM-grade drum brake wheel cylinders confirmed to fit the Mercury Sable, the hydraulic actuators at the top of each drum brake assembly that convert brake fluid pressure into the mechanical force that pushes the Sable shoes against the drum. Available in new and remanufactured options for your Sable, every cylinder is bored to OEM specifications
Standard/OE$12.40
10 items in stock
Select your vehicle to see compatible products and accurate pricing
The drum brake wheel cylinder on the Mercury Sable is the hydraulic component that actuates your Sable drum brake shoes every time you press the brake pedal. Brake fluid pressure from the master cylinder enters the Sable wheel cylinder and acts equally on two opposed pistons, pushing them outward simultaneously toward each shoe on the Mercury Sable. A leaking Sable 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 Mercury Sable.
Mercury Sable drum brake wheel cylinders are particularly vulnerable to corrosion in American road salt conditions. Salt water penetrates the dust boots over time on the Sable, attacking the cylinder bore surface. Once the Mercury Sable bore is pitted, new piston cup seals cannot maintain a leak-free seal. Internally corroded Sable cylinders must be replaced, not rebuilt. Vehicles in high-salt urban environments often require Sable 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 Mercury Sable. New cylinders are the stronger choice for Sable vehicles in high-corrosion environments. Remanufactured units offer excellent value for Mercury Sable vehicles in moderate conditions where the original bore was sound. Our vehicle selector confirms the correct Sable cylinder, right bore diameter, port location, and mounting configuration, for your Sable drum brake assembly before purchase.
Can I drive my Mercury Sable with a leaking wheel cylinder?
No. A leaking Sable cylinder actively loses hydraulic pressure from the brake circuit, reducing stopping force on your Mercury Sable over time. Brake fluid that reaches the Sable shoes renders the friction material ineffective. A leaking Mercury Sable wheel cylinder is an immediate safety concern that requires urgent attention.
Should I replace both wheel cylinders on my Mercury Sable at the same time?
Yes. If one Sable cylinder has leaked or seized due to age and corrosion, the cylinder on the opposite side of the Mercury Sable has experienced identical conditions and is at a similar stage of deterioration. Replacing both ensures balanced hydraulic pressure on your Sable and avoids a second service call within months.
Do I need to bleed the brakes on my Mercury Sable after replacing a wheel cylinder?
Yes. Replacing a Sable wheel cylinder opens the hydraulic circuit, allowing air to enter. After installation on the Mercury Sable, the entire rear brake circuit must be bled to remove all air and restore a firm, consistent brake pedal on your Sable.