Smeding Diesel S300 Turbo Kit 2019-24 6.7 Cummins

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 Smeding Diesel S300 Turbo Kit For The '19-'24 6.7L Cummins

The factory Holset VGT on your 6.7L Cummins is notorious for failure. Soot buildup, carbon deposits, and corrosion often immobilize the VGT components or cause actuator failure. Auto Diesel Systems offers a permanent solution with this proven S300 turbo upgrade.

A Tried And True Turbo

For decades, the S300 has been the go-to aftermarket alternative for Cummins owners seeking improved reliability and performance. This platform handles higher boost and faster shaft speeds, delivering lower EGT and reduced drive pressure for easier engine life. The fixed geometry design eliminates failure-prone vanes and actuators entirely. 

Complete Kit, Seamless Installation

Includes everything you need: upgraded two-piece T4 divided exhaust manifold for improved flow and quicker spool, fresh gaskets and hardware, coolant plugs, oil drain extension, and turbo drain gasket. The S300 mounts in the stock location, so you retain your factory air intake, downpipe, and intercooler piping—no costly modifications required. 

  Kit Specifications:
• Billet 64.5mm SXE turbo
• Heavy Duty bearing
• Fits 2019-2024 6.7L Cummins