Wilwood 130-11509 O-Ring Brake Caliper Rebuild Kit for 2.00-Inch Pistons

Restore reliable brake caliper sealing with the Wilwood 130-11509 O-Ring Brake Caliper Rebuild Kit. Designed for calipers using a 2.00-inch Wilwood piston, this kit includes a replacement rubber O-ring to help renew hydraulic sealing performance during caliper service or rebuilding. The square-profile design corresponds with the Wilwood SQ 2.00-inch piston application and GM D154-style caliper compatibility noted for this part.
The Wilwood 130-11509 rebuild kit is a practical choice for brake maintenance, restoration, and performance applications where worn, damaged, or aging piston seals can affect caliper operation. Replacing the sealing component during a rebuild can help reduce the risk of fluid leakage and support consistent piston movement when installed with the correct caliper components and brake fluid procedures.
Manufactured for use with Wilwood brake systems, this rubber O-ring kit is intended for accurate fitment in the specified 2.00-inch piston application. Verify the caliper model, piston size, and existing seal configuration before installation. The kit is suitable for service work on compatible Wilwood calipers and is not intended as a universal replacement for other piston sizes or seal profiles.
As an authentic Wilwood replacement component, part number 130-11509 helps simplify caliper rebuilding and supports dependable brake system maintenance. Follow the caliper manufacturer’s assembly instructions, inspect the piston and bore for wear or corrosion, and use appropriate brake assembly lubricant during installation when required.

Features:

• Brand: Wilwood

• Part Number: 130-11509

• Product Type: Brake caliper rebuild O-ring kit

• Seal Material: Rubber

• Piston Application: 2.00-inch Wilwood piston

• Caliper Application: GM D154-style caliper

• Seal Profile: Square O-ring

• Service Use: Caliper rebuilding and brake system maintenance

• Air Restricted: No

• Truck Freight Only: No