Caliper Rebuild Kits – Seals, Pistons & Boots

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Brake Caliper Rebuild Kits

Brake caliper rebuild kits supply the internal sealing components and hardware required to service a hydraulic brake caliper. When a caliper leaks brake fluid or the piston binds, replacing the dried-out O-rings, deteriorated dust boots, and worn guide pin boots is often a smarter, more economical fix than swapping the entire caliper assembly. Our collection covers common caliper types—including single-piston floating and opposed-piston fixed designs—so you can tackle sticking, dragging, or weeping calipers with confidence.

Typical kit contents: square-cut piston seal(s), dust boot(s), bleeder screw cap(s), caliper guide pin boots, and mounting hardware
Many kits also include new phenolic or steel pistons where the original is prone to corrosion or scoring
High-quality EPDM rubber and silicone materials resist brake fluid, heat, and ozone cracking
Always verify piston diameter (e.g., 54mm, 57mm) and caliper manufacturer (ATE, Akebono, TRW, etc.) before selecting a kit
Ideal for restoring pedal feel and stopping power on high-mileage or track-driven vehicles

Rebuilding your own calipers not only saves money but also gives you control over the quality of the rubber components—many OEM-level seals are identical to the aftermarket options, so you’re not sacrificing reliability. Whether you’re refreshing a daily driver or preparing a track car, the right rebuild kit brings the caliper back to factory performance.

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Brake Caliper Rebuild Kits

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