Wilwood 130-4346 O-Ring Brake Caliper Rebuild Kit for 1.62-Inch Pistons

Restore reliable brake caliper sealing with the Wilwood 130-4346 O-Ring Brake Caliper Rebuild Kit. Designed for Wilwood calipers equipped with 1.62-inch pistons, this kit provides replacement square seals and rubber components needed to support proper piston operation and help maintain hydraulic pressure during braking. It is a practical choice for brake system maintenance, caliper rebuilding, and performance vehicle service.
The Wilwood 130-4346 kit includes four O-ring-style square seals engineered for compatibility with the specified Wilwood piston application. Replacing worn, damaged, or hardened seals can help reduce the risk of fluid leakage and promote consistent caliper function. For best results, inspect the caliper bore, piston, dust boots, and related hardware before installation, and use brake fluid compatible with the vehicle and caliper manufacturer’s requirements.
This rebuild kit is intended for applications requiring a 1.62-inch Wilwood piston seal and should be matched to the exact caliper model before purchase. Installation should be performed by a qualified technician using proper brake service procedures. As a genuine Wilwood replacement component, Part Number 130-4346 supports dependable fitment and helps restore the sealing performance of a properly serviced brake caliper.

Features:

• Brand: Wilwood

• Part Number: 130-4346

• Product Type: Brake caliper rebuild O-ring kit

• Piston Compatibility: Designed for Wilwood 1.62-inch pistons

• Seal Style: Square-section O-ring seals

• Package Quantity: Four seals

• Application: Caliper rebuilding and brake system maintenance

• Replacement Function: Helps restore proper piston sealing and support hydraulic pressure retention