This first gear fits all NV5600 Dodge diesel 6 speed transmissions. If you have an early (2001 & older) transmission you will have to use the updated lined synchronizer ring. There is a Dodge part number on the box for reference 05019907AA. This is an aftermarket part. We have used the same supplier for over [...]

This is a cast iron tailhousing that fits a NV4500 5 speed transmission in the Dodge diesel trucks. This is much heavier that the factory aluminum piece and is a direct bolt on replacement. These have the 2 threaded holes on the side for the transfer case shifter, so they will fit all years.

This front bearing retainer fits all G56 6 speed transmissions in Dodge diesel applications. It is 3 bolt mounting. This is the snout that the throwout bearing rides on. It replaces the factory tin snout.

This is a new countershaft 3rd/4th gear cluster for the G56 6 speed transmission found in 2005 and newer Dodge Ram diesel trucks with either the 5.9 or 6.7 engines. Tooth counts are 28-36.

This is an aftermarket 4th gear on the mainshaft for a G56 transmission found in 2005 and newer Dodge Ram trucks with a Cummins diesel engine. his one fits trucks with either the 5.9 or 6.7 engine and has 28 teeth. The Pro-Active part number is G56-19, but we use G56-4. The original Dodge part [...]

This input shaft fits the G56 Dodge 6 speed manual transmission found behind the 5.9 Cummins diesel engine. It has 2 I.D. grooves on the shaft and 27 teeth on the gear.

This input shaft fits all Dodge NV5600 6 speed transmissions with the 1 3/8″ clutch spline. It is made for use with the updated synchronizer rings.