Ford OEM E4TZ2140B brake master cylinder is made by cast iron material. It is dual circuit type with the outlet port in one side, which thread size is 3/8-24" of primary port & 7/16-24" of secondary port. The bore diameter is 1-1/8 inches. The reference numbers are 39445, F110919, M2559, 130.65031, M39445, 13-2008, 10-2008, 132008, 102008. It fits for Ford Truck E-250 Econoline, E-350 Econoline, F-250, E-250 Econoline Club Wagon, E-350 Econoline Club Wagon, F-350.
