Caliso 375K5 Poly V Serpentine Belt K-Section OC - 5-Rib 38.25in

The Caliso 375K5 is a K-Section Poly V (Micro-Rib) Serpentine Belt featuring 5 ribs and a 38.25-inch outside circumference. Designed for reliable power transmission across accessory drive systems, this belt delivers consistent performance in demanding automotive and light-duty applications.

Key Specifications:

• Belt Type: Poly V / K-Section Micro-Rib Serpentine Belt
• Number of Ribs: 5
• Outside Circumference: 38.25 in (971.55 mm)
• Top Width: 0.70 in
• Belt Depth: 0.17 in (4.32 mm)
• Belt Section: K / 5PK
• Part Number: 375K5

Key Features:

• Micro-rib profile provides smooth, quiet operation and reduced vibration
• Multi-rib design maximizes contact surface for efficient power transfer
• Engineered to meet or exceed OEM performance standards
• Flexible construction suitable for serpentine accessory drive routing
• Compatible with pulleys designed for K-section / PK-series belts

The 375K5 Poly V serpentine belt is also commonly cross-referenced under the 5PK971 designation. It is a direct replacement for worn or damaged OEM belts of the same specification and is suitable for use on alternators, power steering pumps, air conditioning compressors, and other belt-driven accessories.