Fits the following makes and models:
John Deere INDUSTRIAL/CONSTRUCTION: 500 (SN <280000 Early Power Booster 4.270 4C
John Deere INDUSTRIAL/CONSTRUCTION: 500A (SN <280000 Early Power Booster 4.270 4
John Deere INDUSTRIAL/CONSTRUCTION: 500B (SN <280000 Early Power Booster 4.270 4
John Deere TRACTOR: 3010 (SN <280000 4.270 4Cyl Eng & Early Power Booster Eng)
John Deere TRACTOR: 3020 (SN <280000 4.270 4Cyl Eng & Early Power Booster Eng)