BlueStars 954-04044A 754-04044 Mower Deck Belt - Compatible with MTD Cub Cadet RZT50 ZT50 ZT5000 ZYT22 Craftsman ZTL7000 Troy Bilt Mustang 50 Zero Turn Mowers | Aramid Cord | 1/2" x 134"

What It Is

This is an aftermarket mower deck belt (1/2” x 134”) designed to drive the cutting blades on select zero-turn mowers, specifically MTD-built models like Cub Cadet RZT50, ZT50, ZT5000, ZYT22, Craftsman ZTL7000, and Troy-Bilt Mustang 50. It uses aramid cord construction for improved durability over standard rubber belts.

Fitment & Compatibility

Before buying, verify three things:

1. Deck size – This belt fits 50-inch decks only. Measure your deck width; a 50” deck is the most common fit for these models.
2. OEM part numbers – Cross-reference your mower’s deck belt part number with 954-04044A or 754-04044. If your original is one of these, this belt will work.
3. Physical measurements – The belt is 1/2” wide and 134” long. Measure your old belt (lay it flat, measure end-to-end) to confirm length. A 134” belt is standard for these models, but some aftermarket belts vary slightly.

Compatibility note: This belt is not for all Cub Cadet or Troy-Bilt mowers—only the specific zero-turn models listed. Check your owner’s manual or the belt routing diagram under the deck.

Key Things to Know

• Aramid cord vs. standard rubber – Aramid is stronger and resists stretching better than basic rubber belts. Expect longer life if you mow tough or thick grass.
• Installation difficulty – Moderate. You’ll need to remove the deck or at least the belt covers, then route around pulleys and idlers. A belt removal tool helps, but a socket wrench and patience work.
• Common gotcha – If the belt is too tight or too loose after installation, double-check the routing. Many zero-turns have a spring-loaded idler that must be released to install the belt. Also, ensure the belt isn’t twisted.
• Price vs. OEM – At $18, it’s roughly half the cost of an OEM Cub Cadet belt. Reviews suggest comparable performance for most homeowners, but commercial users may prefer OEM for guaranteed fit.

Should You Buy It

If you own one of the listed zero-turn mowers with a 50-inch deck and need a reliable, affordable replacement for your deck drive belt, this is a solid choice. It’s ideal for homeowners who mow a few acres per season and want a belt that won’t stretch quickly. For heavy commercial use or if you demand exact OEM fit, stick with the original part—but for most people, this BlueStars belt delivers good value.