Specs: Crankshaft ID: 1″ Diameter Pulley: 5 5/16 ” Direction: Counter clockwise Uses belt width: 1/2″ or 5/8″. Replaces these part numbers: Ogura: GT1A-JD10 John Deere: AM133209 Xtreme: X0422. For the following models: John Deere 325 – 335 – 345 Lawn Tractors John Deere GX335 – GX345 Tractors John Deere GX355 Tractors John Deere serial no. This Item Includes: 1x PTO Clutch. For John Deere AM133209 PTO Clutch, Bearing Upgrade High Torque Series. Crankshaft ID: 1″ Diameter Pulley: 5 5/16 ” Direction: Counter clockwise Uses belt width: 1/2″ or 5/8″. Replaces these part numbers. Ogura: GT1A-JD10 John Deere: AM133209 Xtreme: X0422. For the following models. John Deere 325 – 335 – 345 Lawn Tractors John Deere GX335 – GX345 Tractors John Deere GX355 Tractors John Deere serial no. Depends on the horsepower of your lawn mower’s engine. California Customers should pay more attention about it. 2-8 days in transit. Ny question or problem will be replied within 24 hours (except the weekend and holiday). Our Customer Service Team is always online to answer. Mass Air Flow Sensors. Window Scoop Louver Cover. Brake Calipers & Bracket. Transfer Case Shift Motor. Ignition Coils & Spark Plugs. Automotive 6-Way Blade Fuse Box Block Holder With Negative Waterproof ATC ATO. PTO Clutch For BOBCAT 2721337 Lawn MowerWholesale. PTO Clutch For WOODS 73113 Lawn Mower. PTO Clutch For SNAPPER 7074022YP Lawn Mower. Electric PTO Clutch For Warner 5219-79 Warner 521979-Upgraded Bearings. PTO Clutch For EXMARK E633098 Lawn Mower.