2008 Cadillac STS Owner's Manual - Page 463

Normal Maintenance Replacement Parts Replacement parts identified below by name, part number, or specification can be obtained from your dealer/retailer. Part Engine Air Cleaner/Filter Element 3.6L and 4.6L Engines GM Part Number 25735595 or 25798271 ACDelco® Part Number A2944C 4.4L (V-Series) Engine 15813300 A3078C Engine Oil Filter 3.6L Engine 25177917 PF2129 PF261 4.4L (V-Series) Engine 890175271 4.6L Engine 89017342 PF61 Passenger Compartment Air Filter 88957450 CF13C Spark Plugs 3.6L Engine 12597464 41-990 4.4L (V-Series) Engine 12592619 41-991 4.6L Engine 12571535 41-987 Windshield Wiper Blade Driver's Side - 22 inches (56.5 cm) 88958361 - Passenger's Side - 21 inches (53.0 cm) 88958359 - 1 Notice: If your vehicle is an STS-V model, the engine uses a special oil filter. The use of any other engine oil filter could lead to filter failure and result in severe engine damage. Damage caused by use of the wrong engine oil filter would not be covered by your new vehicle warranty. 6-15