Replace your worn or broken belt with the high quality MBL A-section conventional V-belt, part number B40. Designed for dependable performance in industrial, agricultural, and lawn equipment, this belt offers consistent power transmission, excellent durability, and a snug fit for pulleys with A-profile grooves. Ideal for OEM replacement or general maintenance.
Cross Reference
Gates   5L430 Dayco   5L430 Bando   5L430 Continental / ContiTech   5L430 Goodyear   5L430 Mitsuboshi   B40 / 5L430 Optibelt   B40 NAPA   5L430 066040
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We strive for accuracy, but it is the customer’s responsibility to verify belt compatibility, specifications, and fitment before purchase. Use of an original equipment manufacturer (OEM) name is for reference only and does not imply endorsement or that the product is a direct OEM replacement unless clearly stated.
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