Duramax Tutorials

Step-by-step videos to help you install your Sinister Diesel parts with confidence.

Chevy / GMC Duramax 6.6L

2001–2004 LB7, 2004.5–2005 LLY, 2006–2007 LBZ, 2007.5–2010 LMM, 2011–2016 LML, 2017–2026 L5P

Truck / Engine Bay Photo

Community Install Videos

Filmed by owners & channels — not produced by Sinister Diesel

Transmission Rear Housing Support

CAT Fuel Filter Adapter

4″ Stainless Exhaust

We're still building out official Sinister Diesel install videos for Duramax — check back soon, or browse our full YouTube channel in the meantime.