What is the purpose of a piston seal in a brake caliper?

The piston seal keeps brake fluid contained within the caliper bore and prevents dirt and moisture from entering. It also helps retract the piston slightly when you release the brake pedal.

What does '44mm piston seal' mean?

This refers to the specific diameter of the brake caliper piston that the seal is designed to fit. It's important to match the seal size to your caliper's piston size for a proper seal.

Do I need any special tools to install this seal?

While specific tools can vary by caliper design, installing a piston seal typically involves carefully removing the old seal and pressing the new one into the caliper groove. Refer to your caliper's service manual for detailed instructions.

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Specifications

Brand: Stoptech
Part #: 753.99007S

StopTech Replacement 44mm Piston Seal

Name: StopTech Replacement 44mm Piston Seal
Brand: Stoptech
SKU: stoptech-stoptech-replacement-44mm-piston-seal-t14-205915
Price: 2.60 USD
Availability: InStock

$2.60

Only 1 left in stock

Key Features

Fits 44mm brake caliper pistons.
Durable rubber construction resists brake fluid and heat.
Essential for caliper rebuilds and maintenance.
Helps prevent leaks and contamination.

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Product Details

When you're rebuilding your brake calipers, getting the right seals is key to a solid repair. This StopTech replacement piston seal is specifically sized for 44mm pistons, ensuring a proper fit for calipers that use this dimension. A good seal keeps brake fluid contained and prevents contaminants from entering the caliper bore, which is essential for consistent braking performance.

This seal is made from a durable rubber compound designed to withstand the heat and hydraulic pressure found in braking systems. Replacing worn or damaged seals during a caliper service helps restore proper function and prevent leaks. It's a small part, but it plays a big role in keeping your brakes working right.