CAT 9J4359 Caterpillar Bucket PT Tooth for J series. Caterpillar style rock penetration bucket tooth for a J350 series; takes a 9J2358 pin and an 8E6359 sleeved retainer. Quality aftermarket G.E.T. (bucket teeth) for Caterpillar (CAT), JCB, Bobcat, Takeuchi, John Deere, Case, Komatsu, Kubota and many others including manufacturers such as ESCO, Hensley, H&L for all your backhoe, loader, skid steer, grader, scraper and excavator bucket tooth (teeth) needs.