Proper and consistent maintenance will make your vehicle last longer. A engine running on dirty oil with contaminants won't last long. Keep your engine clean with a GM/ACDelco OEM Professional Engine Oil Filter. This canister style oil filter features a bypass relief valve and anti-drain back valve. Filtering up to 21 micros or one-half the width of a human hair you will keep contaminants out of your engine oil which in return will lengthen the lifespan of your engine. Simply drain your oil, remove your old filter, fill with new oil and check the level!