This part will work on the following models:

CTTL038040 - FREEMOTION CARDIOTRAINER 600 TREADMILL DRTL59220  PROFORM 520X TREADMILL DRTL59221 - PROFORM 520X TREADMILL DRTL59420 - PROFORM PF,CROSSWALK ADVANCED 525X TREADMILL HCTL05910 - HEALTHRIDER S300i TREADMILL HRTL05910 - HEALTHRIDER S300i TREADMILL HRTL06900 - HEALTHRIDER S250i TREADMILL IMTL59520 - IMAGE 14.0 NCTL09990 - NORDICTRACK NORDIC TRACK EXP1000 TREADMILL NCTL09992 - NORDICTRACK NORDIC TRACK EXP1000 TREADMILL NCTL09993 - NORDICTRACK NORDIC TRACK EXP1000 TREADMILL NMTL06920 - NORDICTRACK NORDIC TRACK CMX 900 TREADMILL NTTL09900 - NORDIC TRACK EXP1000i NTTL09901 - NORDICTRACK NORDIC TRACK EXP1000i TREADMILL NTTL99070 - POWERTREAD 5.5 NTTL99071 - NORDICTRACK POWERTREAD 5.5 TREADMILL PCTL55810 - PROFORM CR610 TREADMILL PCTL55811 - PROFORM CR610 TREADMILL PCTL59210 - PROFORM LX660 TREADMILL PCTL63090 - PROFORM 630DS PCTL69100 - PROFORM 725 FP TREADMILL PCTL69610 - PROFORM 860 LS TREADMILL PFTL10310 - PROFORM 740CS/745CS TREADMILL PFTL55810 - PROFORM CR610 TREADMILL PFTL55820 - PROFORM CX8i TREADMILL PFTL590040 - PROFORM CX12i TREADMILL PFTL59020 - PROFORM 520 TREADMILL PFTL59021 - PROFORM 520 TREADMILL PFTL59022 - PROFORM 520 TREADMILL PFTL59023 - PROFORM 520 TREADMILL PFTL59120 - PROFORM X-WLK ADVANCED 525 TREADMILL PFTL59121 - PROFORM X-WLK ADVANCED 525 TREADMILL PFTL59210 - PROFORM LX 660 TREADMILL PFTL59520 - PROFORM PF,CROSSWALK ADVANCED 525X TREADMILL PFTL5982 H2 - PROFORM 520I TREADMILL PFTL59820 - PROFORM 520i TREADMILL PFTL59821 - PROFORM 520i TREADMILL PFTL59822 - PROFORM 520i TREADMILL PFTL6251 KD0 - PROFORM 625 TREADMILL PFTL62510 - PROFORM 625 TREADMILL PFTL62511 - PROFORM 625 TREADMILL PFTL69100 - PROFORM 725 FP PFTL69101 - PROFORM 725 FP PFTL69500 - PROFORM PT6.0 TREADMILL PFTL69501 - PROFORM PT6.0 TREADMILL PFTL69502 - PROFORM PT6.0 TREADMILL PFTL69610 - PROFORM 860 LS TREADMILL PFTL72582 - PROFORM 725 EX TREADMILL PFTL79100 - PROFORM 785 SS TREADMILL RBTL59110 - REEBOK 190RS TREADMILL WLTL59320 - WESLO CADENCE DS23 TREADMILL 293050 - PROFORM 520X 293051 - PROFORM 520X 293053 - PROFORM 520X 293250 - PF,CROSSWALK ADVANCED 525X TREADMILL 293252 - PF,CROSSWALK ADVANCED 525X TREADMILL 298800 - POWERTREAD 1500 298870 - NORDIC TRACK EXP1000i TREADMILL 298871 - NORDIC TRACK EXP1000i TREADMILL 299460 - PROFORM 740CS/745CS 299461 - PROFORM 740CS/745CS 299462 - PROFORM 740CS/745CS 299463 - PROFORM 740CS/745CS 299464 - PROFORM 740CS/745CS 299470 - PROFORM 745CS 299472 - PROFORM 745CS 299473 - PROFORM 745CS 299474 - PROFORM 745CS 299560 - PROFORM 750CS 299561 - PROFORM 750CS