Product Description
Build your own rebuild kit for the NV4500 manual transmission. Dodge cases cast C18157 or C23167 (ID tag on shifter top cover). Pick the overhaul kit that matches your case, then add only the parts you need.
Build your own NV4500 rebuild kit: choose the parts that match the transmission on your bench and leave out what you don't need. This builder has 11 option groups and 34 choices, all optional, so the kit holds only what you pick.
What you can choose
- Choose Your Overhaul Kit: BK308A Overhaul kit WITHOUT synchro rings (bearings, seals, gaskets)
- Add 5th gear nut fix: 334795K Updated 5th gear nut kit - Cummins diesel; 334795BK Updated 5th gear nut kit - 5.2/5.9 gas, V10, 5.7
- Add 5th gear: 334585-1AK 5th countershaft gear kit 51T w/ slider, keys & springs (5.61 ratio, 22T mainshaft gear); 334585-1 5th countershaft gear only, 51T
- Add 5th gear (2): 334585-2 5th mainshaft gear 22T, 31 internal spline; 334585-2A 5th mainshaft gear 22T, 35 internal spline
- Add 5th synchro ring & slider: 334705 5th synchro ring
- Add Mainshaft: 334672C Mainshaft 23-spline, 17-1/2in - 4WD gas/standard duty 1992.5-2000; 334672D Mainshaft 29-spline 4WD diesel / 2001+ 4WD SD - includes 334227K washer kit; 334672E Mainshaft 31-spline 2WD diesel - includes 334227K washer kit
- Add Synchro rings & assemblies: SRK308A Synchro ring kit with reverse synchro; 334701K 1-2 synchro assembly (complete); 334703 3-4 synchro ring, brass; 334701-5 1-2 outer synchro ring
- Add Shift forks & pads: 334841 1-2 shift fork; 334843 3-4 shift fork; 334845 5th shift fork; 334847 Reverse fork - early, push/twist top (1992-96); 334847A Reverse fork - late, square-bolt cover (1996-up); 334846-1 Reverse fork insert
- Add Gears, shafts & bearings: 334674A Countershaft/cluster, 1-piece, 5.61, 35T reverse - 1997-2005; 334674 Countershaft/cluster, 39T reverse - 1992.5-1996; 334670A Input shaft 22T, 1-1/8in x 10 spline (gas / standard duty) - 1994-2005; 334670B Input shaft 22T, 1.25in x 10 clutch spline (Cummins HD) - 1994-2005; 334271K Needle bearing kit; 334267 Input pocket bearing; 334278A Reverse idler bearing
- Add Seals & gaskets: 334070 Front seal (input retainer); 424074 Rear output seal 77x54x12
- Add Small parts: 334001 Small parts kit (snap rings, keys, springs, detents); 334001A Top cover small parts kit; 334701-2K 1-2 synchro key & spring kit; 334703-2K 3-4 or 5-Reverse synchro key & spring kit
