Motorcraft Ford Air Filter FA1637 FA-1637 F6HZ9601CA F6HZ-9601-CA RS3738 Sku: ST Brand New!!! Free Shipping!!! Lowest Price Anywhere!!! This sale transaction is for a single Motorcraft brand Air Filter fits Ford Louisville Trucks, Caterpillar, and Cummins Engines (Please independently verify compatibility with your application) TERMS OF SALE: If, after receiving this item you discover that it was not the one you wanted, simply return it for a full refund within 30 days. You will have to pay for the return shipping charges. Refund is void if you have installed, used or damaged the item in any way. Item must be returned with its original box, packing materials and instructions. Payment via PayPal must be received within 3 days of transaction and prior to shipping. SHIPPING: Posted shipping rate only applies to the U.S. States. All other regions/international locations will be charged for shipping based upon location. Please use the shipping calculator or request a shipping quote. International buyers: Customs fees, duties, taxes, tariffs other fees are your responsibility. Arrival time will depend on your location. If you have any questions, feel free to ask. Thank you for visiting!