Caliso 450K5 Poly V Serpentine Belt K-Section - 5-Rib 45

The Caliso 450K5 is a K-Section Poly V (Micro Rib) serpentine belt featuring 5 ribs and an outside circumference of 45.75 inches. Designed as a direct-fit replacement for a wide range of automotive and powersports applications, this belt delivers reliable power transmission to engine accessories including alternators, water pumps, and idler pulleys.

Key Features:

• Belt Type: K-Section Poly V / Micro Rib Serpentine Belt
• Number of Ribs: 5
• Outside Circumference: 45.75 in (1,162 mm)
• Engineered for high-speed, high drive ratio applications
• Constructed with abrasion and heat resistant rubber compound for long service life
• Fiber-reinforced undercord improves belt stability and reduces noise from worn or misaligned pulleys
• High modulus, low-stretch tensile member resists fatigue and shock loads
• Meets or exceeds RMA, SAE J1459, SAE J2432, and SAE J1596 specifications

Cross-Reference Part Numbers: Gates K050450, Dayco 5050450, Napa 25-050450, Goodyear 4050450, Bando 5PK1143

The 450K5 is a widely used industry-standard belt size, making it compatible with a broad range of OEM drive system configurations. It is an ideal replacement for worn, cracked, or glazed serpentine belts to restore proper accessory drive performance.