Find aftermarket replacement parts for the Kubota KX121-3. We stock 93 parts for this machine including 9″ / 230mm, 12″ / 300mm, 18″ / 450mm, 24″ / 600mm, 30″ / 762mm, 36″ / 914mm, 48″ / 1200mm, 60″ / 1500mm digging and grading buckets, including Banana Side Tipping Links, Bottom Track Roller, Bucket End Pin and Bush Kit, Bucket H Link, Bucket Teeth, Buckets, Clip on Rubber Pad, Drive Sprocket, Engine Oil, Front Tension Idler Wheel, Full Arm Pin and Bush Kit, Gear Oil, Hydraulic Oil, Kingpost Pin and Bush Kit, Pins & Bushes, Rubber Track, Steel Track, Tension Cylinder Nipple, Tension Cylinder Seal Kit, Top Carrier Roller. All parts are quality aftermarket replacements engineered to meet or exceed OEM specifications, backed by a 12-month warranty. Use the parts finder below to locate the exact part for your machine by serial number.