LLY Duramax Allison Transmission Pans

Protect and enhance your 2004.5–2005 LLY Duramax with a premium Allison transmission pan. Built from heavy-duty materials like cast aluminum or steel, these high-capacity pans improve fluid cooling, extend transmission life, and add strength to your drivetrain. Featuring reinforced construction, magnetic drain plugs, and increased fluid capacity, these transmission pans are ideal for high-performance and towing applications. Choose the best for your Allison-equipped Duramax.