Standard/OEIn stock
$11.94
10 items in stock
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14-WC37787• Rear• Drum Brake Wheel Cylinder
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GeoBrakes carries OEM-grade drum brake wheel cylinders confirmed to fit the Kia Sephia, the hydraulic actuators at the top of each drum brake assembly that convert brake fluid pressure into the mechanical force that pushes the Sephia shoes against the drum. Available in new and remanufactured options for your Sephia, every cylinder is bored to OEM specifications
Standard/OE$11.94
10 items in stock
Select your vehicle to see compatible products and accurate pricing
The drum brake wheel cylinder on the Kia Sephia is the hydraulic component that actuates your Sephia drum brake shoes every time you press the brake pedal. Brake fluid pressure from the master cylinder enters the Sephia wheel cylinder and acts equally on two opposed pistons, pushing them outward simultaneously toward each shoe on the Kia Sephia. A leaking Sephia 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 Kia Sephia.
Kia Sephia drum brake wheel cylinders are particularly vulnerable to corrosion in American road salt conditions. Salt water penetrates the dust boots over time on the Sephia, attacking the cylinder bore surface. Once the Kia Sephia bore is pitted, new piston cup seals cannot maintain a leak-free seal. Internally corroded Sephia cylinders must be replaced, not rebuilt. Vehicles in high-salt urban environments often require Sephia 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 Kia Sephia. New cylinders are the stronger choice for Sephia vehicles in high-corrosion environments. Remanufactured units offer excellent value for Kia Sephia vehicles in moderate conditions where the original bore was sound. Our vehicle selector confirms the correct Sephia cylinder, right bore diameter, port location, and mounting configuration, for your Sephia drum brake assembly before purchase.
Can I drive my Kia Sephia with a leaking wheel cylinder?
No. A leaking Sephia cylinder actively loses hydraulic pressure from the brake circuit, reducing stopping force on your Kia Sephia over time. Brake fluid that reaches the Sephia shoes renders the friction material ineffective. A leaking Kia Sephia wheel cylinder is an immediate safety concern that requires urgent attention.
Should I replace both wheel cylinders on my Kia Sephia at the same time?
Yes. If one Sephia cylinder has leaked or seized due to age and corrosion, the cylinder on the opposite side of the Kia Sephia has experienced identical conditions and is at a similar stage of deterioration. Replacing both ensures balanced hydraulic pressure on your Sephia and avoids a second service call within months.
Do I need to bleed the brakes on my Kia Sephia after replacing a wheel cylinder?
Yes. Replacing a Sephia wheel cylinder opens the hydraulic circuit, allowing air to enter. After installation on the Kia Sephia, the entire rear brake circuit must be bled to remove all air and restore a firm, consistent brake pedal on your Sephia.