- Poly V belt runs from the alternator to the transmission of certain Stairmaster stepmill and stepper models.
- Fits all 4000PT steppers and 7000PT Stepmill that have the poly-v system.
- Belt fits stepper models 4400PT/CL with serial# prior to 120060522001.
Where used:
- Parts by Brand StairMaster Steppers 4400PT 12xxx
- Parts by Brand StairMaster Steppers 4000PT 10xxx
- Parts by Brand StairMaster Steppers SM5 Stepmill All
- Parts by Brand StairMaster Steppers 7000PT Stepmill 20xxx