This is a replacement OEM poly-v belt for the Nautilus SM916 Stepmill, Startrac E-SM 9-5180 Stepmill, as well as multiple Stairmaster stepmill models. OEM# 130-1784 or SM20202
1301784
This part can be used on the following model(s):
Stairmaster - 8-Series-Gauntl et_7-5270-8G-10
Stairmaster - 8-Series-Gauntl et_7-5270-MUNBP0
Stairmaster - 8-Series-Gauntl et_8-5270-MUNBP0
Stairmaster - 8-Series-Gauntl et_9-5270-KUNBP0
Stairmaster - 8-Series-Gauntl et_9-5270-PPUBP0
Stairmaster - 8-Series-Gauntl et_9-5270-PUNBP0
Stairmaster - 8-Series-Gauntl et_9-5270-RUNBP0
Stairmaster - 8-Series-Gauntl et_9-5270-WUNBP0
Stairmaster - 8-Series-Gauntl et_9-5270-YFTBP0
Stairmaster - 8-Series-Gauntl et_9-5270-YRTBP0
Stairmaster - SM5_Gauntlet_150015
Stairmaster - SM5_Stepmill_150005
Stairmaster - SM916_(Metal_Steps)