John Deere AUC10172 Idler Pulley (GY22355) For Some ZTrak™ Models
Flat deck idler pulley replaces John Deere OEM part number AUC10172 and now also replaces John Deere GY22355.
Per John Deere - Dimensions:
Effective Diameter: 139.9 mm (Outside diameter measured where the belt rides) & Groove Width: 24 mm (Belt ride width).
This idler pulley is used on several John Deere models, including John Deere Z335E ZTrak™ with the Accel Deep™ Deck, John Deere Z525E ZTrak™, John Deere Z535M ZTrak™, John Deere Z535R ZTrak™ with 54" High Capacity Deck, John Deere Z540M ZTrak™, and John Deere Z540R ZTrak™ models. It also fits other John Deere models calling for part # AUC10172.
Replaces OEM Part Number:
- John Deere AUC10172
- John Deere GY22355
Dimensions:
- Width: 1-1/8"
- ID (Bore): 5/8"
- OD: 1/8"
- Flat OD: 5-1/2"
Fitment Guide:
Fits some, not all, of the following model - please reference your specific serial number's parts diagram to ensure compatibility.
- S220
- S240
- Z315E
- Z320M
- Z320R
- Z325E
- Z330M
- Z330R
- Z335E
- Z335M
- Z345M
- Z345R
- Z355E
- Z355R
- Z365R
- Z375R
- Z515E
- Z525E
- Z530M
- Z530R
- Z535M
- Z535R
- Z540M
- Z540R
- Z545R
- Z720E
- Z730M
- Z735E
- Z735M
- Z740R
- Z760R
Need assistance? Please reference SKU LC-JD-AUC10172 when you contact us.

















