Standard v belts uses polyester cords and rubber wrap, while kevlar V belt use kevlar cords and special dry wrap. Kevlar belt has a higher tensile strength rating over standard v belt. When these belts endure higher shock loads over longer periods of time, Kevlar help cut stretch.
Kevlar belts will hold up better in high shock load drives that have frequent starting/stopping and multiple directional changes. Standard belts are best suited for smooth operating drives with consistent speeds and low loads. As long as you find your mower is experiencing a broken or worn drive belt, whatever standard belt or kevlar belt, replace a new premium mower belt as soon as you can.
All parts available for sale from us are fully compliant with OEM specs.
We do offer belts for lawn mowers for absolutely all the top brands. Husqvarna, Craftsman, Cub Cadet, John Deere, MTD, Murray and more. When you buy a part from us, you can be sure that it is fully compatible and that its dimensions are fully consistent with the original.