This mainshaft 5th gear fits all Dodge diesel and V10 NV4500 transmissions. There is a Dodge part number on the box for reference 4741551. This is an aftermarket part from a supplier that we have used for years.

This 4X4 mainshaft fits all NV5600 Dodge diesel 6 speed transmissions. It also has a Dodge part number on the box for reference 05010050AA. This is an aftermarket part and we have used the same supplier for more than 5 years without any issues.

This cluster fits 1992-1996 Dodge and most GM NV4500 transmissions with the 22 tooth input shaft and 5:61 ratio.

This updated mainshaft fits all NV4500 Dodge diesel 5 speed transmissions. This is the updated shaft with splines the full length of the 5th gear and a 2 piece drop washer that goes in a groove behind the 5th gear to isolate it from the nut. This mainshaft virtually eliminates the problem of the 5th [...]

This 2wd mainshaft fits GM NV4500  transmissions with the park brake drum on the back. This is 25 3/8″ long with threads on the back for a nut.

This 4th gear synchro clutch fits all versions of the NV4500 transmission.

This is a mainshaft 6th gear that fits all NV5600 Dodge diesel speed transmissions. This gear is to be used with the late style syncro ring. There is a Dodge part number on the box for reference 05019885AA. This is an aftermarket part from a supplier that we have used for years.

This countershaft 3rd gear fits all NV5600 Dodge diesel 6 speed transmission. This is to be used with the late style syncro rings. There is a Dodge part number on the box for reference 05019909AA. This is an aftermarket part from a supplier that we have used for years.