No.AUC10172 Lawn Tractor Idler Pulley for John Deere Z540R Z540RZ Z355R Z535R Z335M Z345M Z540M Z535M Z335E Z525E Z345R Z335E ZTrak 42"Accel Deck Mower Deck Flat Idler Pulley

Key features

• [Fitment] for John Deere Z335E ZTrak (w/ 42"Accel Deck), for John Deere Z535R ZTrak (w/ 54"HC Deck), for John Deere ZTrak Z540R, Z540RZ, Z355R, Z535R, Z335M, Z345M, Z540M, Z535M, Z335E, Z525E, Z345R, Z375R, Z355E, S240 Lawn Tractors
• [Function] OE Number:AUC10172. It Only guides the belt (fixed position, no tension adjustment), It maintains proper tension on the accessory drive belt (serpentine belt) to ensuring smooth operation. It guides and redirects the belt around various engine components, prevents the belt from rubbing or jumping off pulleys. It reduces belt vibration and wear, absorbs vibration from the spinning belt, prolonging belt and component life.
• [Reliable Quality] No grooves, adopt with robust steel materials to withstand constant friction, heat, and mechanical stress, high strength enough to resists warping under tension, and handles heat well. Sealed Ball Bearing for smooth rotation, resists dirt/moisture, prolong the service life. Please check and replace the idler pulley when met issue like belt damage, belt chirping at startup or acceleration, visible wobbling when the engine runs etc.
• [Installation] 1. Disconnect the battery and cool engine. 2. Locate the bad idler pulley, relieve belt tension and slide the serpentine belt off the idler pulley. 3. Remove the center bolt and pull the old idler pulley. 4. Install the new idler pulley and reinstall the serpentine belt properly. 5. Reconnect the battery terminal, start the engine to check no noises or wobbling. Note: Check tensioner or belt alignment if belt squeals, check bolt if pulley wobbles.
• [Package] Include 1x Lawn Tractor Idler Pulley, Outside Diameter: 15.6cm/6.14in; Height: 1.7cm/0.7in; Inside Diameter: 3cm/1.2in.

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