2009 Mercury Mariner Owner's Manual - Page 299

Maintenance and Specifications MOTORCRAFT PART NUMBERS Component Air filter element 1 2.5L I4 engine FA-1683 BXT-40R FL-910 or FL-2017-B4 2 3 3.0L DOHC V6 Duratec engine FA-1683 BXT-40R FL-500-S 2 3 Battery Oil filter PCV valve Spark Plugs 1 Failure to use the correct air filter element may result in severe engine damage. The customer warranty may be void for any damage to the engine if the correct air filter element is not used. 2 The PCV valve is a critical emission component. It is one of the items listed in scheduled maintenance information and is essential to the life and performance of your vehicle and to its emissions system. For PCV valve replacement, see your authorized dealer. Refer to scheduled maintenance information for the appropriate intervals for changing the PCV valve. Replace the PCV valve with one that meets Ford material and design specifications for your vehicle, such as a Motorcraft or equivalent replacement part. The customer warranty may be void for any damage to the emissions system if such a PCV valve is not used. 3 For spark plug replacement, see your authorized dealer. Refer to scheduled maintenance information for the appropriate intervals for changing the spark plugs. Replace the spark plugs with ones that meet Ford material and design specifications for your vehicle, such as Motorcraft or equivalent replacement parts. The customer warranty may be void for any damage to the engine if such spark plugs are not used. 4 When changing oil filter, you must also replace the filter cap O-ring. The oil filter drain plug O-ring must also be replaced whenever the oil filter drain plug is removed. Reuse of the O-rings may cause engine oil leakage and may result in severe engine damage. The customer warranty may be void for any damage to the engine if the O-rings are not replaced. 299 2009 Mariner (mrn) Owners Guide, 2nd Printing USA (fus)