Fleetguard FF203 is a box-style (rectangular cartridge) fuel filter for John Deere 20/30/40/50/55-series tractors and the broader cohort of agricultural, construction, and industrial diesel equipment that uses the AR50041 / P551130 / 33370 envelope. Replaces John Deere AR50041, Donaldson P551130, Baldwin BF909, and Wix 33370. M20 x 1.5 mm thread, 3.31" tall x 4.96" long x 3.71" wide. Specifications Manufacturer Fleetguard (Cummins Filtration) Part Number FF203 Replaces (OEM) John Deere AR50041 Part Type Box-Style (Rectangular Cartridge) Fuel Filter Engine Compatibility John Deere 20/30/40/50/55/60-series diesel and equivalent ag/industrial diesels Overall Height 3.31 in (84.07 mm) Length 4.96 in (125.98 mm) Width 3.71 in (94.23 mm) Thread Size M20 x 1.50 mm Cross References This fuel filter replaces or is equivalent to the following part numbers: John Deere: AR50041 Fleetguard: FF203 Donaldson: P551130, P779297 Baldwin: BF909 Wix: 33370 NAPA: 3370 Fram: P1130, P1130A Luber-finer: P1130 Hastings: FF996 AC Delco: TP876 Motorcraft: FD783 Carquest: 86370 Case IH: 1959802C1 Caterpillar: 9Y4423, 3I1233 Allis Chalmers: 4024232 White: 200006803 Clark: 6511550 Stanadyne: 18667 SF-Filter: SK3555 Hi-Fi: SN203 Woodgate: WGF203 FIAAM: FT4903 BIG-A: 95370 Applications This fuel filter fits a wide range of agricultural, construction, and industrial diesels. Common applications include: John Deere 20 Series: 1020, 1520, 2020, 2030, 2440, 2510, 2520, 2630, 2640, 3020, 3030, 4020, 4030, 4230, 4240, 4430, 4520, 4620, 4630, 5020, 6030 John Deere 30/40/50/55/60 Series: 2750, 4040, 4055, 4240, 4255, 4440, 4450, 4455, 4555, 4560, 4640, 4650, 4755, 4760, 4840, 4850, 4955, 4960, 6620, 7720, 8430, 8440, 8450, 8630, 8640, 8650, 8820, 8850, 9400, 9500, 9600 Allis Chalmers diesel tractors using AR50041 element White ag tractors using AR50041 element Case IH tractors specifying 1959802C1 Caterpillar industrial engines specifying 9Y4423 / 3I1233 Clark industrial equipment specifying 6511550 Verify your existing filter housing and thread orientation before ordering. Box-style cartridge filters of similar dimensions are not interchangeable across thread sizes — M20 x 1.5 here.
