1/2 x 117 Deck Belt for Cub Cadet Craftsman, 42-inch, RZT Mower, 754-06134 CMXGZAM501081 490-501-C081 754P06134490-501-M081Cub Hustler 771824

What It Is

This is a 1/2-inch wide by 117-inch long deck belt designed to drive the cutting blades on 42-inch zero-turn mowers. It’s a direct replacement for the OEM belt on Cub Cadet RZT models and compatible with certain Craftsman, Hustler, and other ZTR mowers with a 42-inch deck.

Fitment & Compatibility

Before buying, confirm three things:

• Deck size: Must be a 42-inch mower deck. This belt will not fit 46-inch or larger decks.
• Belt dimensions: The belt is 1/2-inch wide and 117 inches long. Measure your old belt’s length (end-to-end, not looped) to verify. A belt that’s even 1 inch off can cause slipping or damage.
• Cross-reference: This belt replaces OEM part numbers 754-06134, CMXGZAM501081, 490-501-C081, 754P06134, 490-501-M081, and Hustler 771824. It fits many Cub Cadet RZT 42 models (e.g., RZT 42, RZT 42E, RZT 42S) and some Craftsman ZTS 42 and Hustler Z42 models. Check your mower’s manual or existing belt number.

Important: This is an aftermarket belt, not genuine Cub Cadet. It’s built to OEM specs but may differ slightly in material or stiffness. If your mower uses a multi-belt system (e.g., separate drive and deck belts), ensure you’re replacing the deck belt only.

Key Things to Know

• Quality: Most users report it’s as durable as OEM for standard residential use. Some note it’s slightly thinner than original, but this rarely affects performance if installed correctly.
• Installation difficulty: Easy to moderate. You’ll need to remove the deck or access the belt path from under the mower. A belt routing diagram is helpful—take a photo before removing the old belt.
• Common gotcha: The belt must be routed around all pulleys and tensioners exactly as the original. Missing a pulley can cause premature wear or belt snap. If your mower has a spring-loaded tensioner, release tension before installing.
• Break-in: Expect a slight squeak or smell for the first 30 minutes of use as the belt seats. This is normal.

Should You Buy It

Buy this if you need a reliable, budget-friendly replacement for a 42-inch deck belt on a Cub Cadet RZT or compatible zero-turn mower. It’s a solid choice for residential mowing and saves money over OEM, but if you’re a commercial user or demand maximum longevity, consider the genuine Cub Cadet belt instead.