Replacement.
All master cylinders need to be bench bled prior to installation. See 914-10 and 914-11 for Bench bleeder options.
Ford Truck F1, F2, F3, F100, F150, F250, F350, Expedition, Excursion, Lincoln Navigator and Blackwood Years:
1981 (81), 1982 (82), 1983 (83)
Above years shown are used for searches and are not application listings.
NPD Part Number : F-2140-21 Manufacturer Reference #'s: MC39173,
1981-1983 F250 4X2 POWER BRAKES, 1 1/16 INCH DIAMETER, OVER 8500 LBS
1981-1983 F250 4X4 POWER BRAKES, 1 1/16 INCH DIAMETER, OVER 8500 LBS
1981-1983 F350 4X2 POWER BRAKES, 1 1/16 INCH DIAMETER
1981-1983 F350 4X4 POWER BRAKES, 1 1/16 INCH DIAMETER
WARNING: This product can expose you to chemicals including lead and DEHP, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.