M154958 M110313 Deck Belt for John Deere 48 in Cub Cadet 954-04041 754-04041 954-04055 754-04055 Exmark 633173 320 325 335 345 GT235 GT245 GT275 GX345 LX255 LX277 LX280 X300 X320 X500 5/8" x 111 1/4"

What It Is

This is a replacement deck belt for 48-inch mower decks, designed to drive the cutting blades on a wide range of John Deere, Cub Cadet, and Exmark lawn tractors. It’s a common wear item that needs replacing when it stretches, frays, or snaps.

Fitment & Compatibility

• Deck size: Fits only 48-inch cutting decks.
• Brands: Compatible with John Deere (320, 325, 335, 345, GT235, GT245, GT275, GX345, LX255, LX277, LX280, X300, X320, X500), Cub Cadet (954-04041, 754-04041, 954-04055, 754-04055), and Exmark (633173).
• OEM cross-reference: Replaces John Deere M154958 and M110313.
• Measurements: 5/8" wide x 111 1/4" long. Measure your old belt end-to-end (not around pulleys) to confirm length.
• Before buying: Verify your deck model number (stamped on the deck housing) and check that your belt routing matches the diagram for your specific tractor. Aftermarket belts may vary slightly in thickness or tension.

Key Things to Know

• Quality: Rated 4.5/5 stars from 44 reviews, indicating good durability for residential use. Not a OEM belt, but reliable for the price.
• Installation difficulty: Moderate – you’ll need to remove the deck or work underneath it. A belt routing diagram is essential; take a photo before removing the old belt.
• Common gotchas: The belt may feel tight on initial install, but it will seat after a few minutes of run time. If it squeals or slips, double-check routing and tensioner pulley alignment.
• Wear indicators: Replace if you see cracking, fraying, or glazing on the sides. A stretched belt will cause blade slippage and uneven cuts.

Should You Buy It

Buy this if you need a reliable, budget-friendly replacement for a 48-inch deck on a compatible John Deere, Cub Cadet, or Exmark tractor and you’re comfortable with a straightforward DIY install. It’s a solid value for residential mowing, but if you run a commercial operation or want exact OEM fit, consider spending more on a genuine John Deere belt.