Standard/OEIn stock
$11.71
10 items in stock
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14-WC370103• Rear• Drum Brake Wheel Cylinder
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GeoBrakes carries OEM-grade drum brake wheel cylinders confirmed to fit the Chevrolet Optra, the hydraulic actuators at the top of each drum brake assembly that convert brake fluid pressure into the mechanical force that pushes the Optra shoes against the drum. Available in new and remanufactured options for your Optra, every cylinder is bored to OEM specifications
Standard/OE$11.71
10 items in stock
Select your vehicle to see compatible products and accurate pricing
The drum brake wheel cylinder on the Chevrolet Optra is the hydraulic component that actuates your Optra drum brake shoes every time you press the brake pedal. Brake fluid pressure from the master cylinder enters the Optra wheel cylinder and acts equally on two opposed pistons, pushing them outward simultaneously toward each shoe on the Chevrolet Optra. A leaking Optra 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 Optra.
Chevrolet Optra drum brake wheel cylinders are particularly vulnerable to corrosion in American road salt conditions. Salt water penetrates the dust boots over time on the Optra, attacking the cylinder bore surface. Once the Chevrolet Optra bore is pitted, new piston cup seals cannot maintain a leak-free seal. Internally corroded Optra cylinders must be replaced, not rebuilt. Vehicles in high-salt urban environments often require Optra 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 Optra. New cylinders are the stronger choice for Optra vehicles in high-corrosion environments. Remanufactured units offer excellent value for Chevrolet Optra vehicles in moderate conditions where the original bore was sound. Our vehicle selector confirms the correct Optra cylinder, right bore diameter, port location, and mounting configuration, for your Optra drum brake assembly before purchase.
Can I drive my Chevrolet Optra with a leaking wheel cylinder?
No. A leaking Optra cylinder actively loses hydraulic pressure from the brake circuit, reducing stopping force on your Chevrolet Optra over time. Brake fluid that reaches the Optra shoes renders the friction material ineffective. A leaking Chevrolet Optra wheel cylinder is an immediate safety concern that requires urgent attention.
Should I replace both wheel cylinders on my Chevrolet Optra at the same time?
Yes. If one Optra cylinder has leaked or seized due to age and corrosion, the cylinder on the opposite side of the Chevrolet Optra has experienced identical conditions and is at a similar stage of deterioration. Replacing both ensures balanced hydraulic pressure on your Optra and avoids a second service call within months.
Do I need to bleed the brakes on my Chevrolet Optra after replacing a wheel cylinder?
Yes. Replacing a Optra wheel cylinder opens the hydraulic circuit, allowing air to enter. After installation on the Chevrolet Optra, the entire rear brake circuit must be bled to remove all air and restore a firm, consistent brake pedal on your Optra.