KNIFEHEAD PIN FIR CASE INTERNATIONAL BALANCED HEAD 100 SERIES REPLACES 458973R4 462378R2 186236M91 For diesel tractor series 2310 290 346165 For diesel tractor series 2310 26 Brand TISCO Make Type Model John Deere Combine 6600 John Deere Combine 7700 John Deere Tractor 3020 John Deere Tractor 4000 John Deere Tractor 4020 John Deere Tractor 4040 John Deere Tractor 4230 John Deere Tractor 500 John Deere Tractor 500A John Deere Tractor 500B John Deere Tractor 500C John Deere Tractor 510 John Deere Tractor 600 1 8" pipe thread for grease zerk Interchange 458973R4GV 90 Brand TISCO Make Type Model Case IH Mower Conditioner 1100 Case IH Mower Conditioner 1300