Vehicle Fitment: Ford Bronco 1979-1979 Ford F-100 1979-1979 From Serial # DJ0,001 Ford F-150 1979-1979 From Serial # DJ0,001 Ford F-250 1979-1979 with Single Piston Caliper; From Serial # DJ0,001 Specifications： Part Name：Vacuum Power Brake Booster Master Cylinder Included No Diaphragm Diameter (in) 10.75 Diaphragm Diameter (MM):273.05 Brake Booster Diaphragm Style:Single Packaging Type Box Fitment Type Direct Replacement OE Number: 54-73717, D9TZ2005C Package Includes: 1x Vacuum Power Brake Booster .
