Caliso 370K6 Serpentine Belt K-Section Poly V-Belt - 6-Rib 37.75in

The Caliso 370K6 is a K-section, 6-rib Poly V (micro-rib serpentine) belt engineered for reliable power transmission in automotive accessory drive systems. Also known as a Poly V belt, ribbed belt, or multi-rib belt, the 370K6 is a widely cross-referenced industry-standard size used on alternator and accessory drive circuits.

Key Specifications:

• Belt Section: K-Section (Micro Rib / Poly V)
• Number of Ribs: 6
• Outside Circumference: 37.75 in (958.85 mm)
• Pitch Length: 37.0 in (940 mm)
• Top Width: 0.84 in (21.34 mm)
• Belt Depth: 0.17 in (4.32 mm)
• Metric Cross Reference: 6PK940

Features & Benefits:

• Designed for high-speed and high-drive-ratio accessory drive applications
• Constructed with abrasion and heat-resistant rubber compound for long service life
• Fiber-reinforced undercord construction improves belt stability under load
• Polyester tensile cords resist stretching and maintain consistent drive performance
• Meets RMA, SAE J1459, SAE J2432, and SAE J1596 industry standards

The 370K6 serpentine belt is a direct-fit replacement for OEM and private-brand applications. Its compact K-section profile makes it well suited for space-constrained engine compartments where precise belt fitment is critical.