[Lifetime Warranty] GX20305 Mower Deck Belt Replacement - for 48-inch Deck John Deere L130 L120 GY20571 Scotts L2548 L2048 - Replaces GX20305 GY20571 | 1/2" x 139"

GX20305 Mower Deck Belt Replacement (1/2" x 139")

Key Features

• Type: Mower Deck Drive Belt
• Dimensions: 1/2 inch width x 139 inch outer circumference
• Material: Synthetic rubber compound
• Construction: Reinforced with high-tensile synthetic cords for durability and resistance to stretching

Replaces / Cross-Reference Part Numbers

• John Deere: GX20305, GY20571

Compatibility & Fitment

• Fits 48-inch mower decks on select models
• John Deere: L120, L130
• Scotts: L2048, L2548
• Sabre: 1642HS, 1742HS

When to Replace

• Visible signs of wear such as cracking, fraying, or glazing
• Belt slipping, resulting in poor cutting performance
• Audible squealing or chirping from the deck during operation
• Noticeable stretching or damage to the belt edges

Installation Tips

• Before starting, disconnect the spark plug wire for safety.
• Release the belt tension by moving the tensioner arm.
• Consult your mower's operator manual for the specific belt routing diagram.
• Ensure the new belt is properly seated in all pulley grooves.
• Check all pulleys for damage or wobble before installing the new belt.
• Re-engage tension and rotate the blades by hand to confirm proper alignment and movement.

Compatibility & Fitment