Diamond T Engine Control Module ECM For 2007.5-2010 GMC Chevy 6.6L Duramax LMM Upfitter 2010 GMC Sierra 4

2010 GMC Sierra 4

Improved horsepower

Secure Seal Technology pairs a continuous bulb seal with robust gas struts for a snug

T304 Stainless Steel Tip

Diamond T Engine Control Module ECM For 2007.5-2010 GMC Chevy 6.6L Duramax LMM Upfitter 2010 GMC Sierra 4Restore and upgrade the performance of your 2007. 52010 Chevy GMC 6. 6L Duramax LMM with the Diamond T ECM, the American built engine control solution trusted for reliability and upgrades. Each ECM is professionally rebuilt, thoroughly tested, and enhanced to exceed factory standards, supporting both stock and custom tuned trucks for towing or high power setups Enjoy free programming to the latest GM calibrations and fast plug and play installationno