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Product details
This right-hand anodized EPB is a motor-operated parking caliper for thin rotors. The exact part specifies a 0.15–0.39-inch thickness range and a 4.75-inch mounting pattern. Parking force comes from the electric drive rather than a hydraulic inlet, so this component operates alongside an appropriate service brake system. Founded in 1977 by Bill Wood, Wilwood Engineering is based in Camarillo, California. Its disc brake systems and components serve motorsport, street-performance and specialized applications. Calipers, brake rotors, master cylinders, valves, fittings and brake lines are among its products, selected according to the complete brake system’s requirements.
Technical Details
- Manufacturer part number: 120-18227
- Caliper type: Electric Parking Brake
- Construction: Aluminium / Steel
- Finish: Type III Anodize
- Piston bores: 1.25 inches
- Piston type: Steel
- Mechanically driven piston count: 1
- Dust boots: No
- Nominal rotor width: 0.39 inch
- Rotor thickness limits: 0.15–0.39 inches
- Rotor diameter limits: 11.00–14.00 inches
- Mounting style: Lug
- Mounting side: Right Hand
- Mounting centers: 4.75 inches
- Mount height: 0.36 inch
- Actuation: Hi-Torque electric parking motor; no hydraulic inlet
- Required pad shape: 6407
- Published pad area: 1.7 square inches
- Published pad volume: 0.26 cubic inches
- Manufacturer-listed component weight: 5.0 lb
Fitment & Compatibility
Confirm the Hi-Torque motor configuration and control-system compatibility using the exact caliper reference. The mounting bracket must center the caliper on an 11.00–14.00-inch rotor and leave space for the motor and wiring. A control module, harness and switch must be selected as part of the installation; the caliper listing is not a complete electrical conversion kit.
With over 20 years of parts experience, PMB Performance can help compare this component with your existing brake assembly. Include its caliper reference and any conversion-kit information.