Dan's Diesel Performance

Backordered with No ETA **Updated on 10/06/2022**The A50 Transmission Control Module found in the 2009-2015 Duramax is prone to failure. The internal circuit board fails and is not serviceable.  When this failure occurs the truck owner may experience Range Shift Inhibited, Service Brake System,..

Backordered with No ETA   **Updated on 09/21/2022**The A40 Transmission Control Module found in the 2006-2008 2500/3500 Duramax is prone to failure. The internal circuit board fails and is not serviceable.  When this failure occurs the truck owner may experience Range Shift Inhibited..

Dans Diesel Performance Dual Port Fuel Sump. Made of 6061 T6 billet aluminum.  Features:Dual Port Design (No Cutting Filler Neck) No Tank Drop NecessaryRequires 3-1/4" Hole Saw and basic tools (including Allen wrenches)...

The AL5 Transmission Control Module is found in the 2001-2005 2500HD/3500 Duramax with the Allison Transmission.  We offer a Pre-programmed TCM which comes with either factory calibrations or our custom EFILive calibrations. Benefits of our custom tuned TCM include: Revised shift strategies ..

Limited Availability!!Our brand new Pre-Programmed TCM comes with your choice of either OEM factory calibrations or our Custom EFILive calibrations.  Benefits of our Custom Tuned TCM include: Improved throttle response. Revised shift strategies for better shift rpm and quality. Improved To..