GY22172 Idler Pulley 2 Pack 3-5/8 Inch for John Deere L120 L130 42 48 Deck Replacement GY20067 GX20305 Lawn Tractor Parts

GY22172 Flat Idler Pulley 2 Pack 3-5/8 Inch OD Fits John Deere Decks
✔️ 2 pack replacement idler pulleys with nuts for 42 inch and 48 inch decks

This 2-pack GY22172 flat idler pulley set is a handy replacement for worn mower deck pulleys on John Deere lawn tractors. Designed for smooth belt tracking and reliable rotation, these pulleys help maintain proper tension and performance on 42 inch and 48 inch cutting decks.

Dimension        Size
Outer Diameter   3-5/8 in
Inner Diameter   11/16 in
Height           1-3/16 in
Nut Size         M10

✅ Pack size: 2 idler pulleys with flanged nylon lock nuts
✅ Replaces GY22172 GY20067 GY20996 GY20050 GX20305
✅ Fits 42 inch and 48 inch John Deere mower decks
✅ Compatible with models like L120 L130 and many others
✅ Durable construction with protective coating for long life
✅ Designed for smooth belt operation and reduced wear
✅ Helps maintain proper belt tension and alignment
✅ Ideal for lawn tractor maintenance and repair

💡 How does an idler pulley affect mower deck belt performance and cutting efficiency?
It plays a key role in keeping the belt properly aligned and tensioned during operation.

• Maintains consistent belt tension for smooth blade rotation

• Reduces belt slip and uneven cutting performance

• Helps extend belt life by minimizing friction and wear

• Ensures stable operation under load and vibration