954-04219 46 Inch Deck Belt Replacement for Cub Cadet LTX 1045 LTX 1046 John Deere GX20072 Troy-Bilt Horse XP Bronco MTD Craftsman T1600 T140 754-04219 CMXGZAM501009 OCC-754-04219/Aramid Cord/103 Inch

What It Is

This is a 103-inch aramid cord replacement deck belt for 46-inch cutting decks on select Cub Cadet, Troy-Bilt, MTD, Craftsman, and John Deere lawn tractors. It drives the mower blades via the engine pulley and is designed for residential mowing use.

Fitment & Compatibility

• Exact length: 103 inches (measured end-to-end). Measure your old belt before buying—any shorter or longer will not fit.
• Deck size: 46-inch stamped or fabricated deck only. Not for 42-inch or 54-inch decks.
• Common models: Cub Cadet LTX 1045, LTX 1046; John Deere GX20072; Troy-Bilt Horse XP, Bronco; MTD 13A-xxx-xxx; Craftsman T1600, T140. Also fits Cub Cadet OEM #754-04219, MTD #CMXGZAM501009, and OCC-754-04219.
• Cross-check: Confirm your mower’s deck belt routing diagram (often printed under the deck or in the manual). This belt replaces both OEM and aftermarket versions of the same length.
• Not for: Zero-turn mowers, walk-behinds, or tractors with 50+ inch decks.

Key Things to Know

• Aramid cord vs. standard: Aramid (Kevlar-like) cord is stronger and resists stretching longer than plain rubber belts. Worth it if you mow thick, wet grass or have a heavy-use yard.
• Installation difficulty: Easy—no special tools needed. Remove the old belt, route around pulleys per diagram, and re-tension. Expect 15–30 minutes.
• Common gotcha: Deck idler pulley tension must be correct. If the belt slips or squeals, check pulley bearings and spring tension. A worn idler can kill a new belt fast.
• Quality note: This is an aftermarket belt. It runs slightly stiffer than OEM, which can reduce vibration but may require a break-in period (first 30 minutes of mowing).

Should You Buy It

If you own a compatible 46-inch deck tractor and need a reliable, budget-friendly replacement that handles heavy cutting without stretching, this belt is a solid choice. It’s not OEM, but the aramid cord delivers better durability than most generic belts at this price. Avoid it if you prefer exact OEM fitment or have a commercial mower.