Brake Caliper O-Rings

Rubber O-rings for brake calipers are sealing components responsible for the proper functioning of the braking system.

What Is a Brake Caliper?

The brake caliper is a hydraulic component of the braking system that plays a crucial role in slowing down or stopping the vehicle when the brake pedal is pressed. It consists of elements such as the housing, pistons, seals, brake pads, dust boots and bleed screws.

How Does a Brake Caliper Work?

The braking system includes the brake pedal, master cylinder, brake lines, calipers, pads and discs. When braking, the pressure from the master cylinder is transmitted to the caliper, causing the pistons to move outward and press the brake pads against the disc. When the pedal is released, the caliper retracts the pads, allowing the wheels to move freely again.

The braking system is constantly exposed to mechanical loads and external factors like water, road salt and dirt, which accelerate corrosion. During brake caliper servicing, which is subject to regular wear, it is essential to inspect the seals for damage and check for fluid leaks.

Brake calipers directly affect braking performance. Faulty piston operation or excessive play can lead to fluid loss, overheating of the system or extended braking distance. Any detected malfunction should be promptly repaired, as it significantly impacts road safety.

Caliper Repair Kits

Both front and rear brake caliper repair kits are available on the market, allowing for quick and efficient replacement in case of failure.

Brake Caliper Seal

Signs and Functionality

Brake fluid leaks are one of the most common signs of brake caliper failure. Loss of brake fluid reduces the vehicle’s stopping ability. Dust boots and rubber seals are essential for keeping brake fluid where it belongs.

Brake caliper seals (such as EPDM O-rings) help prevent brake fluid leaks and maintain the correct hydraulic pressure. Properly functioning seals ensure airtight protection around the pistons and prevent contamination from dirt and debris.

When the piston moves, the O-ring flexes accordingly. Once the brake is released, the pressure drops and the O-ring returns to its original shape, slightly retracting the piston, which allows the pads to release from the disc.

Brake Caliper O-Ring – Available at Power Rubber

Power Rubber specialises in supplying high-quality rubber components used across various industrial sectors.

We offer top-grade brake caliper O-rings that provide excellent sealing performance. They are highly durable and resistant to external elements and brake fluids.

We invite you to explore our premium range of rubber O-rings. Orders can be placed through our online store.

For any questions, feel free to contact our Customer Service at +48 22 292 40 24 or +48 50 516 03 03, via email (Power@PowerRubber.com), or by using our contact form.