Fitment questions?
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Product details
These small round O-rings serve the specified internal crossover joints in Wilwood Dynalite and DynaPro caliper assemblies. The six-pack uses a listed 0.175-inch inside diameter and 0.103-inch section. They are fluid-passage seals, so they should not be identified as the larger rings that seal around caliper pistons. Based in Camarillo, California, Wilwood Engineering was founded by Bill Wood in 1977. The manufacturer produces disc brake systems and components for motorsport, street-performance and specialized applications, with a range covering calipers, brake rotors, master cylinders, valves, fittings and brake lines. Individual components are chosen to suit the complete brake system.
Technical Details
- Manufacturer part number: 130-10540
- Service component: Caliper Crossover O-Ring Kit
- Seal profile: O-Ring
- Manufacturer-listed seal inside diameters: 0.175 inches
- Listed seal thickness: 0.103 inch
- Manufacturer material code: 210A
- Pack quantity: 6 Pack
- Seal fluid compatibility: DOT 3, DOT 4 and DOT 5 as specified for these seals. Follow the complete caliper and vehicle fluid requirements; do not mix silicone DOT 5 with DOT 3, DOT 4 or DOT 5.1.
Fitment & Compatibility
Use the exact caliper service instructions to confirm crossover-seal applicability and whether body disassembly is permitted. Match the joint and groove before installation. A kit of passage O-rings does not replace piston seals or authorize separation of a caliper whose instructions restrict that operation.
PMB Performance has over 20 years of experience helping customers with brake and parts fitment. Share the installed component identification and relevant measurements when requesting assistance.
