GX20072 Mower Deck Belt (42-Inch) – Fits John Deere D100, D105, D110, D120, D125, D130, LA115, LA120, S100, S110, S120 – Replaces GY20570, UC32283

MMG Parts GX20072 Heavy Duty Mower Deck Belt (1/2" x 104") Stop replacing your mower belt every season. The MMG Parts GX20072 is built for heavy-duty residential and commercial use, designed to handle the friction and heat that cause standard belts to snap. Engineered for Exact Fit A direct drop-in replacement for John Deere OEM part numbers GX20072, GY20570, and UC32283. Measures exactly 1/2" wide by 104" long to ensure proper tension on 42-inch mower decks without slipping or bogging down your blades. Zero-Stretch Aramid Cords Reinforced with high-strength synthetic aramid cords (Kevlar-style) wrapped in a protective textile cover. This provides maximum power transfer to your mower blades while resisting cracking, stretching, and premature wear. Verified Compatibility (100 Series 42" Decks)D-Series: D100, D105, D110, D120, D125, D130E-Series: E100, E110, E120, E130L/LA-Series: L100, L105, L107, L108, L110, LA100, LA105, LA110, LA115, LA120, LA125, LA135S-Series: S100, S110, S120(Also compatible with select Sabre and Scotts 42-inch mowers).

• Exact OEM Replacement Precisely engineered to 1/2" x 104" dimensions. Directly replaces John Deere OEM part numbers GX20072, GY20570, and UC32283 for a flawless fit on 42-inch decks.
• Guaranteed Compatibility: Fits 100 Series 42" models including D-Series (D100-D130), E-Series (E100-E130), L/LA-Series (L100-L110, LA100-LA135), and S-Series (S100-S120).
• Reliable Power Transfer: Built with durable polyester cords wrapped in a protective textile cover to deliver consistent blade speed and resist premature wear.
• Heat & Crack Resistant: The industrial-grade synthetic rubber body and protective textile wrapper withstand extreme friction and high operating temperatures, extending the lifespan of your belt.
• Drop-In Installation: Stop overpaying at the dealer. This belt installs in minutes with zero modifications. Pro-Tip: Clean your pulleys with a wire brush before installing to maximize belt life.