Caterpillar (CAT)-style premium aftermarket penetration bucket tooth for the J400 series. Part reference 6Y7409. Penetrating profile for loosening and excavating compacted material. Related retention: pin 7T3408; retainer 8E8409. Adapter option: 6I9898 (bolt-on); select the correct 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.