Chevy / GMC Duramax 04-05 LLY

The LLY Duramax was first introduced in 2004 and produced up until 2005, the Duramax LLY included a 32 valve, V8 design with a high pressure common rail direct injection system. The LB7 is highly sought after among Duramax’s engines due to its outstanding fuel economy, and classic design. East Coast Diesel Is your number one source for Duramax Performance and Repair.