Ensure your 2007.5-2010 Chevy/GMC 6.6L LMM Duramax Diesel engine runs smoothly with our premium electrical replacement parts. Whether you drive a Chevrolet Silverado HD (2500HD and 3500HD) or a GMC Sierra HD (2500HD and 3500HD), our selection of battery cable kits, starters, alternators, and more will keep your truck's electrical system in top condition. Experience reliable starts and consistent power with our high-quality components, designed to meet the demands of your heavy-duty vehicle. Shop now and enjoy free shipping on orders over $99, plus expert advice to help you choose the best parts for your Duramax. Upgrade your electrical system today!
Browse 6.6L LMM Electrical Parts Products
Items 1-15 of 15
2006-2008 Duramax Allison TCM Exchange LBZ LMMNew
This Synapse Transmission Control Module (TCM) is a fully remanufactured, stock‑calibration Allison controller for 2006–2008 GM 6.6L LBZ and LMM Duramax trucks, built as a direct replacement f...
This Synapse Transmission Control Module (TCM) is a fully remanufactured, stock‑calibration Allison controller for 2009–2010 GM 6.6L LMM Duramax trucks, built as a direct replacement for faile...
