One New Aftermarket Replacement Traction Drive Belt w/PulleysFits John Deere Models:X300 Select Series Tractor – PC9519X300R Select Series Tractor – PC9608X304 Select Series Tractor – PC9520X305R Tractor – PC10882X310 Tractor – PC10883X320 Select Series Tractor – PC9521X324 Select Series Tractor – PC9522X330 Lawn and Garden Tractor – PC12876X340 Select Series Tractor – PC9523X350 Lawn and Garden Tractor – PC12707X350R Lawn and Garden Tractor – PC12708X354 Lawn and Garden Tractor – PC12709X370 Lawn and Garden Tractor – PC12710X380 Lawn and Garden Tractor – PC12711X384 Lawn and Garden Tractor – PC12712X390 Lawn and Garden Tractor – PC12713X394 Lawn and Garden Tractor – PC12714X584 Lawn and Garden Tractor – PC12717Kit Contains:(1) Traction & Hydro Drive BeltWidth: 1/2″Length 91-7/8″Cord PolyReplaces Part Number: M144044(1) Flat Plastic Idler PulleyOD: 3-1/2″ID: 5/16″Width: 13/16″Replaces Part Number: AM134501(1) V-Idler PulleyOD: 4″ID: 5/16″Height: 1-1/4″Replaces Part Number: AM134502, AU