POSEAGLE 2-Pack Idler Pulleys — GY22172 & GY20629 Replacements for John Deere 100 Series Tractors

Premium replacement idler pulleys for John Deere tractors

Restore smooth belt operation with POSEAGLE’s 2-pack idler pulleys, designed to swap in for worn components on a wide range of John Deere 100 Series machines and compatible brands. The GY20629 and GY22172 pulleys are engineered to help belts stay aligned, minimize drive friction, and withstand the demands of regular lawn care tasks.

What you get and key specifications

This set includes two pulleys, each tailored to support precise belt routing and steady tension. Specific measurements help ensure a proper fit:

• GY20629: height 1.68 inches; inner diameter 0.66 inches; outer diameter 5.23 inches
• GY22172: height 1.13 inches; inner diameter 0.68 inches; outer diameter 3.62 inches

Durable construction and smooth operation

Built from premium materials, these pulleys are made to endure the routine dust, debris, and exposure found in lawn care. The flat pulley design promotes smooth operation and helps reduce wear on adjacent drive components, contributing to steadier performance over time.

• Durable design: built to handle outdoor mowing conditions and regular use
• Smooth performance: flat profiling minimizes friction for reliable belt tracking

Compatibility overview

The dimensions and mounting approach support a broad range of John Deere 100 Series tractors and select Scotts models with 48 inch mower decks. Notable examples include:

• John Deere D140, D150, D160, E140, E150, E160, E170
• LA145, LA155, LA165, S140, S160, S170, X165, X166, X167
• Scotts L2048 and L2548 with 48 inch decks

Part reference codes help verify fit for specific setups: D140 PC10445, D150 PC10446, D160 PC10447, E140 PC13338, E150 PC13339, E160 PC13340, E170 PC13341, L2048 PC9102, L2548 PC9103, LA145 PC9744, LA155 PC9745, LA165 PC9746, S140 PC13992, S160 PC13994, S170 PC13995, X165 PC10451, X166 PC13345, X167 PC13999.

Real-world use scenarios

Whether reviving an older mower or maintaining a small fleet, these pulleys support steady belt tracking and protected drive components. The two-pulley design offers a straightforward replacement path that can help restore smooth operation without extensive downtime.

Shop with confidence

Compare part numbers and PC codes to your existing components. This 2-pack provides a practical swap option that aligns with common Deere and Scotts configurations, offering potential improvements in drive reliability and mowing efficiency.