John Deere Original Equipment V-Belt - M155368. Specs:  Belt Section(ALPHA): HB. Effective Length(IN): 190.34. Width(IN): 0.64. Thickness(IN): 0.43. Angle(ALPHA): 40. Material Spec (ALPHA): ARAMID. Fits the following John Deere Models: X320 w 48" Non Rotatable Anti Scalp Wheels, X324 w 48" Non Rotatable Anti Scalp Wheels, X500 w 48X" Non Rotatable Anti Scalp Wheels, X520 w 48" Non Rotatable Anti Scalp Wheels, X534 w 48" Non Rotatable Anti Scalp Wheels, X540 w 48" Non Rotatable Anti Scalp Wheels.  This is a OEM John Deere Part.