1967-1977.5 F250/F350 NP435 Transmission Parts

Shop now for Parts and Manuals to fit 1967-1977.5 Ford F250 and F350 trucks with New Process NP435 4 Speed Manual Transmissions.

A popular heavy-duty 4 speed manual transmission used in 1967-1977.5 Ford full size 3/4 ton to 1 ton trucks was the wide-ratio (6.69:1) New Process NP435 which is only synchronized for 2nd, 3rd, and 4th gears. The NP435 has a direct drive 1:1 4th gear.

We stock bearings, seals, and some hard parts for NP435 transmissions. For synchros, shafts and gearing, the availability of most parts for the NP435 is getting tighter every day, but we can usually supply most parts you might need.