This is a Treadmill Doctor Replacement Walking Belt Part Number 303765107 for Various Precor Models Listed Below.

Precor-
946I VERTICAL TREAD, ASSEMBLED, 120 Serial # ATRX
932I VERTICAL TREAD, ASSEMBLED, 120 Serial # AXGX
9.31-07 RETAIL TREAD, 120V, ASSEMBL Serial # ADFL
9.33-07 RETAIL TREAD, 120V, HHHR, A Serial # AEXL
9.35-07 RETAIL TREAD, 120V, HHHR, A Serial # AGKL
C946I, VERTICAL TREAD,120V,, HHHR, Serial # A925
C946I,VERTICAL TREAD,240V,, HHHR, N Serial # AADB
C946I,VERTICAL TREAD,240V,ARGENTINA Serial # AC57
C932I, VERTICAL TREAD,120V,, HHHR, Serial # AXGT
C932I, VERTICAL TREAD,240V, HHHR, N Serial # AYYT
C932I, VERTICAL TREAD,240V, ARGENTI Serial # AJXC
9.31-07 RETAIL TREAD, 120V Serial # AEXK
9.33-07 RETAIL TREAD, 120V, HHHR Serial # AGKK
9.33-07 RETAIL TREAD, 240V, HHHR Serial # AGKW
9.35-07 RETAIL TREAD, 120V, HHHR Serial # AJND
9.35-07 RETAIL TREAD, 240V, HHHR Serial # AEXW
TRM4X5-14, BASE, TRM425/445, 120V Serial # AZBF
OPT, ASSY CONSOLE/DISPLAY, C932I, E Serial # AA96

***When it comes to replacement walking belts Treadmill Doctor has been a leader in the fitness industry. Our walking belts are made from quality polypropylene materials, 2 ply construction with the backing made of polyester blended material. A warranty for our walking belts is offered depending on your setting you may want to opt for the Lifetime warranty when in a residential setting and the 1-year warranty in a commercial setting.