Karbay GX20286 GX20287 V-Idler & Flat Pulley Kit for John Deere Mower Decks LA100-LA175

Upgrade your John Deere mower deck with the Karbay GX20286 GX20287 V-Idler and Flat Pulley Kit. This two-pulley set is designed to replace worn components, helping restore belt guidance, reduce noise, and support smooth operation without a full deck service. The kit includes pulleys tailored for both the belt’s V-side and flat-side contact, offering flexible options for tracking and belt routing. Built to align with OEM specs, it aims to deliver reliable performance across a broad range of mower models while maintaining a straightforward installation process.

Two pulleys are included to cover the primary belt contact surfaces. The V-side pulley is tailored to engage the belt on the grooved side, while the flat-side pulley provides a stable seating for the belt on the opposite face. This configuration supports dependable belt tracking, reduced slippage, and a quieter mowing experience when properly installed. The design also accommodates a variety of John Deere models, including several LA-series and S/X-series decks, making it a practical upgrade option for many backyard and small-tractor users.

What’s included

• 2 pulleys: one V-side contact pulley and one flat-side contact pulley
• Pulley specifications: Pulley 1 height 1 inch; ID 0.65 inches; OD 3.37 inches
• Pulley specifications: Pulley 2 height 0.65 inches; ID 0.65 inches; OD 2.87 inches
• References: GX20286 replaces 1760097 and related numbers; GX20287 replaces 690409 and related numbers

Key specs and compatibility

• Compatible with a wide range of John Deere mower decks, including LA100, LA105, LA110, LA115, LA120 and many other listed models
• Two-pulley design supports both belt contact faces for flexible installation and belt routing

Why choose Karbay

• Quality components designed to fit common OEM configurations and replacements
• Precise dimensions aimed at maintaining proper belt alignment and tension
• Potentially reduced downtime with quicker replacements and straightforward installation

Installation tips and real-life use scenarios

For best results, park and secure the mower, disconnect power, and lower the deck before replacement. Align the pulleys with the belt path and verify belt tension after installation. In real-world use, this kit may help restore belt tracking on decks prone to wear or misalignment, and it can support quieter operation when components are properly seated.