Dodge-Cummins Diesel
Heavy Duty & High Performance Upgrades

Sonnax Dodge-Cummins diesel products deliver the best improvements available for this time-honored powerhouse transmission. Whether put to the test in a daily use workhorse or plow truck, or ensuring worry-free trips with a trailered truck pulling heavy loads, these dependable upgrades for Chrysler Dodge-Cummins diesel transmissions are the top choice for all high-quality builds.

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47RH/RE, 48RE Shaft Build Guide

It all started with the legendary #1 Dodge performance input shaft from Sonnax. Today you can build in unmatched transmission reliability from end to end with input, intermediate and output shafts for all power levels of work, sport and extreme racing vehicles.


Intermediate Shafts

Multi-Plate Converter Clutch Kits
Heavy Duty Extreme Duty
Heavy Duty Direct Replacement Extreme Duty Machining Required

Output Shafts

Multi-Plate Converter Clutch Kits
Heavy Duty Extreme Duty
Heavy Duty 23 Spline Shaft

4WD 47RE, 48RE Only
Extreme Duty 29 Spline Shaft & Input Gear

’03–’06 4WD 48RE Only
with NV271 or NV273 Transfer Cases
29 Spline Shaft

47RE, 48RE Only

Sonnax high performance products meet the toughest challenges faced by hard-working, daily-use drivetrains as well as racing units going all-out on the street or track.

Learn About Sonnax Heavy Duty & High Performance See All Heavy Duty & High Performance Upgrades