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.
Sonnax: the proper way to beef up your transmission.R. Weise, Versailles, IN
With solenoid pack. Fits ’99-later, whether replacing a 5- or 7-checkball valve body.
Sonnax in every build, stock or performance!A. Torres, Del-Tron Transmissions
You guys are the masterminds of this industry.J. Johnson, Crystal Lake Transmissions