1966-1979 F100/F150 NP435 Transmissions

Shop now for Parts and Manuals to fit 1966-1979 Ford F100 & F150 trucks with New Process NP435 4 Speed Manual Transmissions.

A common 4 speed manual transmission used in 1966-1979 Ford full size 1/2 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 these 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.