{"product_id":"fa3539-fleet-air-washable-dual-air-filters-pr","title":"FA3539 Fleet Air Washable Dual Air Filters (PR)","description":"\u003cp\u003eThis lifetime washable air filter helps reduce maintenance costs and may improve fuel mileage by up to 0.5 MPG. Designed for increased airflow compared to standard filters, it is built for long-term use with washing recommended every 50,000–75,000 miles under normal conditions. Fits dual exterior air filter systems and replaces several OEM part numbers for Kenworth, Peterbilt, Freightliner, and Western Star applications. Backed by a lifetime warranty and 30-day money-back guarantee. Sold as a pair and requires re-oiling after cleaning.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eLifetime washable air filter reduces replacement costs\u003c\/li\u003e\n\u003cli\u003eMay improve fuel mileage up to 0.5 MPG\u003c\/li\u003e\n\u003cli\u003eHigh-flow design increases airflow over standard filters\u003c\/li\u003e\n\u003cli\u003eFits trucks with dual exterior air filter setups\u003c\/li\u003e\n\u003cli\u003eWash every 50,000–75,000 miles; re-oil after cleaning\u003c\/li\u003e\n\u003cli\u003eReplaces Fleet Air FA3539, Baldwin RS3539, Fleet Guard AF25247, Luber Finer LAF4816, Donaldson P534816, Wix 42971, Napa 2971\u003c\/li\u003e\n\u003cli\u003eFits Kenworth T800, W900L; Peterbilt 367, 377, 387, 388; Freightliner Classic; Western Star models\u003c\/li\u003e\n\u003cli\u003eLifetime manufacturer warranty + 30-day money-back guarantee\u003c\/li\u003e\n\u003cli\u003eSold as a pair\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003cstrong\u003ePrice includes filters only.\u003c\/strong\u003e Klotz Oil, item \u003ca href=\"https:\/\/www.iowa80.com\/products\/klotz-oil-for-fleet-air-washable-air-filters\" target=\"_blank\"\u003e198709\u003c\/a\u003e is required for proper install. One can will re-oil 2-4 filters. \u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"FLEET AIRFILTERS","offers":[{"title":"Default Title","offer_id":51844629561666,"sku":"219613","price":841.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0923\/2826\/4002\/files\/l219613.jpg?v=1768578099","url":"https:\/\/www.iowa80.com\/products\/fa3539-fleet-air-washable-dual-air-filters-pr","provider":"Iowa 80","version":"1.0","type":"link"}