1967 Ford F Series Trucks Differential Carrier F-100 - Yukon Dura Grip Positraction - Dana 44 - 30 Spline - Fits 3.73 and Down or Thick Gears - Front guaranteed to replace your current 1967 Ford F Series Trucks Differential Carrier F-100 - Yukon Dura Grip Positraction - Dana 44 - 30 Spline - Fits 3.73 and Down or Thick Gears - Front. 1967 Ford F Series Trucks Differential Carrier comes new OEM 1967 Ford F Series Trucks Differential Carrier aftermarket new 1967 Ford F Series Trucks Differential Carrier of remanufactured 1967 Ford F Series Trucks Differential Carrier F-100 - Yukon Dura Grip Positraction - Dana 44 - 30 Spline - Fits 3.73 and Down or Thick Gears - Front.