954-04329A Deck Belt Kevlar for Cub Cadet 54 inch Deck Belt ZT1-54, RZT-L54, MTD, Craftsman Lawn Mower, Replace Cub Cadet 754-04329, 754-04329A, 954-04329, 954-04329A - 5/8" x 148-1/4"

What It Is

This Kevlar-reinforced deck belt drives the cutting blades on 54-inch zero-turn and lawn tractors from Cub Cadet, MTD, and Craftsman. It’s built for heavy-duty residential or commercial mowing where standard belts wear out quickly.

Fitment & Compatibility

Before buying, confirm your machine has a 54-inch deck and uses a belt that measures 5/8” wide x 148-1/4” long. This belt replaces OEM part numbers 954-04329A, 954-04329, 754-04329, and 754-04329A. It fits:

• Cub Cadet ZT1-54, RZT-L54, and similar 54” zero-turn models
• MTD and Craftsman 54” lawn tractors that use the same belt spec

Double-check your old belt’s length (measure from outside edge to outside edge when laid flat) and width. A 1/4” difference in length can cause slippage or poor engagement. Also verify the belt routing diagram for your specific model—some decks route the belt around idler pulleys differently.

Key Things to Know

• Kevlar construction resists stretching and cuts, making it last longer than standard rubber belts—expect 2–3 seasons of regular use.
• Installation difficulty is moderate; you’ll need to remove the deck or at least the belt cover, and may need a socket wrench to release the tensioner. Allow 30–60 minutes.
• Common gotcha: The belt can be tight to install. Use a belt tool or carefully lever the tensioner pulley to relieve tension. Don’t force it over the spindle—this can damage the belt edge.
• Not for every MTD/Craftsman 54” deck – always verify the length. Some older models use a 147” or 149” belt. Measure twice.

Should You Buy It

If you have a compatible Cub Cadet, MTD, or Craftsman 54” zero-turn or lawn tractor and want a belt that handles heavy grass and frequent use without premature stretching, this Kevlar option is a solid upgrade over standard belts. Skip it if your deck uses a different length or width.