Wilwood Four Square DynaPro Piston Seals with 0.099-Inch Section and 1.500-Inch ID

SKU: 130-8372

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Fitment questions?

Call (855) 786-7101 or text (801) 304-3141. We check fitment by VIN.

Product details

The DynaPro square-seal kit contains four piston rings with a listed inside diameter of 1.500 inches. Its 0.099-inch section belongs to the assigned hydraulic seal specification. FL119 identifies the kit for the matching 1.50-inch DynaPro caliper service arrangement, subject to the exact part reference. 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: 130-8372
  • Service component: Caliper Square Ring Kit
  • Seal profile: Square-Ring
  • Manufacturer-listed seal inside diameters: 1.500 inches
  • Listed seal thickness: 0.099 inch
  • Manufacturer material code: 210M
  • Pack quantity: 4 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

Compare the installed caliper’s service-kit listing and ring groove before ordering. Check dust boots and other protective seals separately from the pressure rings in this pack. Inspect piston and bore condition during maintenance and determine the required seal quantity from the actual number of service locations.

PMB Performance brings over 20 years of brake and parts experience to selection questions. Send the existing caliper reference and brake-package details for help checking compatibility.