Where used:
- Parts by Brand StairMaster Steppers 4400CL 13xxx
- Parts by Brand StairMaster Steppers 4600PT 17xxx
- Parts by Brand StairMaster Steppers 4400PT 12xxx
- Parts by Brand StairMaster Steppers 4200PT 15xxx
- Parts by Brand StairMaster Steppers 4600CL 18xxx