9 0 Thomas Built FS65 Air Cleaner / Air Filter Housing $100 USD Quality used Thomas Bus FS65 Air Cleaner with elbow and filter for a Catepillar C7 engine - EPA 2003+. Will work for other trucks or school buses, backed by our standard warranty. OEM # DN... Quantity2ConditionUsedStock Number40H-110314-STK MLS Number12546799CategoryAir Cleaners / Air Filter Housings Last Updated8/19/2025 LocationBig Lake, MN, US Sold ByQuality Bus and Truck Parts (844) 580-___ SHOWNUMBERCall Seller Email Seller Save More Info