Fleetguard FS19536, Diesel Fuel / Water Seperator, for Detroit Diesel, Freightliner, Mack, Peterbilt Trucks with Davco Housing Fits: Detroit Diesel, Freightliner, Mack, Peterbilt Trucks with Davco Housing Replaces: Davco 380087; Detroit Diesel 23514049, 23521528; Mack 301SD19A, 301SD19B; Baldwin PF7680; FS19536W; Hastings FF1095 Upgrade of: FF5369W, FS1029W * Sent by Rocky Mountain Truck and Trailer *