Caterpillar (CAT)-style premium aftermarket heavy-duty penetration bucket tooth for the K100 K Series. Part reference 475-5499. Penetrating profile for loosening and excavating compacted material. Related hardware: one-piece K Series retainer 220-9090. Adapter option: 220-9104; confirm lip thickness and mounting. PETRAX premium aftermarket range for major brands including CAT, Komatsu, Volvo, Hitachi, John Deere, JCB, Case, New Holland, Hyundai, Doosan/Develon, Bobcat, Kubota, Takeuchi and Sany. This item fits only the specified system and matching mounting dimensions.