Description High Capacity OEM Air Filter Element for 2001 – 2005 LB7 & LLY 6.6L Duramax Diesel AC Delco # A1618C Reference #’s 19166111, 25332443, A1618CF An ACDelco GM OE Professional Engine Air Filter is an ideal high quality replacement for many vehicles on the road today. It traps airborne particles before they enter the engine and helps supply the best possible air with the least airflow restriction to the engine†. It maximizes the performance and efficiency of the engine and helps with its life. The engine air filter is equipped with a tight seal to keep unfiltered air from entering the combustion chamber. Features & Benefits: Excellent filter capacity, efficiency and flow management for superior performance The ability to trap microscopic dirt that can damage cylinder walls, pistons and piston rings Tight seals that help prevent unfiltered air from entering your engine
