Riding Lawn Mower Deck Belt 5/8" X 131" Replacement for MTD 754-04048 954-04048, Cub Cadet 754-04048 954-04048

What It Is

This is a 5/8" wide by 131" long V-belt that drives the mower blades on your riding mower’s cutting deck. It’s a direct replacement for MTD and Cub Cadet models that use OEM part numbers 754-04048 or 954-04048.

Fitment & Compatibility

Before buying, verify three things:

1. Deck size: This belt fits 42" to 54" decks on MTD-built tractors (Cub Cadet, Troy-Bilt, Yard Machines, etc.). Check your deck’s stamped model number.
2. OEM cross-reference: Matches MTD 754-04048, 954-04048, and Cub Cadet 754-04048, 954-04048. If your original belt has a different number, it likely won’t work.
3. Measure your old belt: Lay it flat and measure length (end-to-end). It should be 131 inches. Width should be exactly 5/8 inch. If either is off, don’t buy.

Key Things to Know

• Installation difficulty: Moderate. You’ll need to remove the deck, route the belt around pulleys and tensioner, then reinstall. A belt diagram is essential—take a photo before removing the old one.
• Quality: This is an OEM-grade replacement, not a cheap generic. It’s reinforced with polyester cord and resists stretching better than budget belts.
• Common gotcha: The belt must be routed correctly around the idler pulley tensioner. If it’s too loose or tight after install, re-check the routing—not the belt length.
• Wear signs: Replace if you see cracking, fraying, or glazing (shiny, hardened rubber). A slipping belt can snap blades or damage pulleys.

Should You Buy It

If your MTD or Cub Cadet riding mower needs a deck belt and you’ve confirmed the 131" length and 5/8" width match, this is a solid, reliable pick. It’s not the cheapest option, but the 4.6-star rating reflects consistent fit and durability. Avoid it if you need a belt for a different brand or a non-standard deck size.