Item Condition: Used
SR3614-5131 Drive Motor Life Fitness Models TR-3500 - GK40-00004-XXXX (SN 841759-843156) TR-3500 - GK40-00006-XXXX (SN 843157-846063) TR-3500 - GK40-00010-XXXX (After SN 846064) TR-4000 - GK40-00008-XXXX (After SN 558000) TR-4000 - GK40-00012-XXXX (SN 561990-562014) TR-4500 - GK40-00003-XXXX (SN 544000-545076) TR-4500 - GK40-00005-XXXX (SN 545077-546453) TR-4500 - GK40-00007-XXXX (SN 546454-548365) TR-4500HR - GK40-00009-XXXX (After SN 548366) TR-4500HR - GK40-00013-XXXX (After SN 563091)- If you are uncomfortable with diagnosing and treating your machine with the RIGHT replacement parts we can recommend a fitness technician in your area via zip code