Maxpower 347520 Premium Belt Reinforced with Kevlar Fiber Cords, 1/2" x 77"

What It Is

The Maxpower 347520 is a Kevlar-reinforced replacement drive belt (1/2” wide x 77” long) for riding lawn mowers. It powers the mower deck blades on many popular brands, offering a stronger, longer-lasting alternative to standard rubber belts.

Fitment & Compatibility

Before buying, verify three things:

• Exact measurements – Must be 1/2” wide x 77” long. Measure your old belt (lay flat, measure end-to-end).
• Deck size – Commonly fits 42”, 46”, 48”, and 54” decks on select models from John Deere, Husqvarna, Craftsman, MTD, and Ariens. Check your owner’s manual or the belt routing diagram under the deck.
• OEM cross-reference – Replaces John Deere GX20072, Husqvarna 532 40 79-01, Craftsman 138989, MTD 754-0500, and others. Confirm your model number on Maxpower’s compatibility list online.

Common gotcha: This belt does NOT fit zero-turn mowers or older decks with non-standard pulley spacing. If your deck has three spindles and a spring-loaded tensioner, you’re likely good.

Key Things to Know

• Kevlar cords – Adds heat resistance and reduces stretching compared to standard belts. Lasts 2-3x longer in heavy use (tall grass, frequent mulching).
• Installation difficulty – Moderate. Requires removing the deck or belt shield, releasing deck tension, and routing the belt around pulleys. A belt routing diagram is essential.
• Fitment tip – If the belt is too tight or too loose after installation, double-check the routing and tensioner position. Kevlar belts have very little initial stretch.
• Noise note – May be slightly noisier than OEM rubber belts during the first hour of use as the Kevlar fibers seat in.

Should You Buy It

If you have a compatible riding mower (42”–54” deck) and want a durable, budget-friendly belt that outperforms standard rubber, this is a solid choice. Not for zero-turns or odd-sized decks, but for most homeowners and light commercial users, it’s a reliable upgrade at half the OEM price.