This replacement belt for John Deere GX20305 is 139.25 inches long (circumference) and 0.5 inches wide. This belt serves as a replacement for the following OEM parts: GX20305, GY20571. Fits John Deere models: L120, L130; and Sabre models: 1642HS, 1742HS, L2048, L2548. Backed by a 1-year warranty: Free replacement or a refund for any defective belt. High-strength Aramid cord material ensures durability and resistance to wear, heat, oil, and abrasion for smooth operation. These durable replacement belts for various John Deere lawn mower models are made with heat and chemical resistant Kevlar aramid chords and rubber. Lightweight yet strong, they feature high tensile strength to withstand heavy use on your mower. The grippy rubber coating reduces slippage so your mower blade smoothly and reliably powers through tall grass and weeds. Designed for abrasion resistance, they hold up season after season in all weather. Installation is quick and easy, helping you get back to maintaining a well-manicured lawn in no time. Great for replacing worn belts, these aftermarket belts keep your mower performing at its best for reliable, efficient cutting.