This Bâ€section, singleâ€rib Vâ€belt from Mitsuboshi (Part No. B128) is engineered for reliable power transmission in industrial, agricultural, and automotive accessory drives.
Key Features & Benefits
Precision Fit: Meets B128 profile—outside circumference of 131″ (3 327 mm) with a 5/8″ (21/32″) top width—for drop-in replacement of OEM belts .
Durable Construction: Premium synthetic rubber resists heat, oil, and abrasion, extending belt life
High-Tensile Cord: Embedded cords minimize stretch, ensuring consistent tension and smooth power transfer
Quiet Operation: Raw-edge design reduces noise and vibration under load
Versatile Compatibility: Cross-referenced to all major brands for easy parts sourcing and maintenance
Cross References
Dayco   B128 / BP128   Gates   B128   Continental (ContiTech)   B128  Gold Label   B128GL   Dayton (Grainger)   B128 Thermo King 781000  Â
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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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