Deck Pulley for Ariens models: 992320 (PM 34 Z) – Ariens Pro-Master 34″ Zero-Turn Lawn Mower, 15 HP Kawasaki (Serial Number: 000500 – 000999), (Serial Number: 001000 – 004999), (Serial Number: 005000 and above) 992323 (PM 34 Z) – Ariens Pro-Master 34″ Zero-Turn Lawn Mower, 17 HP Kawasaki (Serial Number: 000101 – 006999), (Serial Number: 007000 and up) For Gravely Models: 991022 (PM 34M) – Gravely Pro-Master 34″ Zero-Turn Lawn Mower, 17 HP Kawasaki (Serial Number: 000101 – 000499), (Serial Number: 000500 – 002999), (Serial Number: 003000 and up) 991043 (PM 34M) – Gravely Pro-Master 34″ Zero-Turn Lawn Mower, 17 HP Kawasaki (Serial #000101 – 002999) 991043 (PM 34M) – Gravely Pro-Master 34″ Zero-Turn Lawn Mower, 17 HP Kawasaki (Serial #003000 and up) 991071 (Compact-Pro 34) – Gravely Compact-Pro 34″ Zero-Turn Lawn Mower, 17 HP Kawasaki (Serial Number: 000101 and up) 991088 (Compact-Pro 34) – Gravely Compact-Pro 34″ Zero-Turn Lawn Mower, 17 HP Kawasaki (Serial Number: 000101 – 019999) 991088 (Compact-Pro 34) – Gravely Compact-Pro 34″ Zero-Turn Lawn Mower, 17 HP Kawasaki (Serial Number: 020000 – 040999), (Serial Number: 041000 – 049999), (Serial Number: 050000 – 059999), (Serial Number: 060000 and up) 991105 (Compact-Pro 34) – Gravely Compact-Pro 34″ Zero-Turn Lawn Mower, Kawasaki, CARB (Serial Number: 020000 – 040999), (Serial Number: 041000 – 049999), (Serial Number: 050000 – 059999), (Serial Number: 060000 and up) 991301 (Compact-Pro 34) – Gravely Compact-Pro 34″ Zero-Turn Lawn Mower, Kawasaki (Serial Number: 000101 – 000500) , (Serial Number: 000501 – 002999) , (Serial Number: 003000 – 019999) , (Serial Number: 020000 and Up) 991302 (Compact-Pro 34) – Gravely Compact-Pro 34″ Zero-Turn Lawn Mower, Kawasaki (Serial Number: 000101 – 000500) , (Serial Number: 000501 – 002999) , (Serial Number: 003000 – 019999) , (Serial Number: 020000 and Up) 992056 (PM 34Z) – Gravely Pro-Master 34″ Zero-Turn Lawn Mower, 15 HP Kawasaki (Serial Number: 000101 – 001499), (Serial Number: 001500 – 002499) Kit includes: 1 x Pulley: 07300004 Width: 34.6 mm Inner Diameter: 9.20 mm Outer Diameter: 133.2 mm 1 x Pulley: 07327800 07315100 Width: 60.72 mm Inner Diameter: 9.7 mm Outer Diameter: 119.9 mm