Kohler 063-5004-00 Oil Filter Assembly

The 063-5004-00 is a full-flow spin-on oil filter engineered for Kohler V-twin engines used in Bad Boy zero-turn mowers. It features a 3/4-16 UNF thread, 2.305-inch height, and 2.923-inch outer diameter. The filter incorporates a bypass valve rated at 8-11 PSI differential pressure to ensure oil flow under cold start or high restriction conditions. Filter media utilizes synthetic fiber blend for high contaminant capacity and efficiency. Designed for 10W-30 engine oil compatibility. Direct replacement for Bad Boy OEM part numbers 063-2004-00, 063-4025-00, and 063-8018-00. Cross-references Kohler 52 050 02-S and 2805001-S manufacturing numbers.