4263 and more - Replaces OEM Number 3812017M91

9-1/8" length

370 and more - Replaces OEM Numbers 4376473

750K and more - Replaces OEM Numbers AT341052

Maxiforce Ring Set, 6135 for John Deere DZ107053 6668819 4263 and more - ReplacesAftermarket Piston Ring Set for the John Deere POWERTECH 6135, diesel engine. Direct replacement for John Deere DZ107053. Fits These Models John Deere Farm Tractors: 7380, 7450, 7480, 7550, 7580, 7750, 7780, 8200, 8300, 8400, 8500, 8600, 9330, 9410R, 9420RX, 9430, 9430T, 9460R, 9460RT, 9470RX, 9510R, 9510RT, 9520RX, 9530, 9530T, 9560R, 9560RT, 9570RX, 9600, 9630, 9630T John Deere Cotton Pickers: 7760, CP690, CS690 John Deere Combines: 9870, S680,