Caliso 450K6 Poly V Serpentine Belt K-Section Pitch - 6-Rib 45

The Caliso 450K6 is a 6-rib Poly V (Micro V) serpentine belt built to OEM replacement standards. Featuring a K-section profile, this belt delivers smooth, reliable power transfer to engine accessories including the alternator, power steering pump, air conditioning compressor, and other driven components.

Key Specifications:

• Belt Type: Poly V / Micro Rib Serpentine Belt
• Section: K (6PK)
• Number of Ribs: 6
• Pitch Length: 45.0 inches (1,143 mm)
• Outside Circumference: 45.75 inches (1,162 mm)
• Top Width: 0.84 inches (21.3 mm)
• Belt Depth: 0.17 inches (4.3 mm)

Cross-Reference Part Numbers:

• Dayco: 5050395
• Gates: K050396
• Goodyear: 4050395
• NAPA: 25-K050396
• Bando: 6PK1143

This serpentine belt is engineered for high-speed and high drive-ratio applications. The Poly V rib profile provides excellent belt-to-pulley contact, while the construction resists heat, ozone, and oil to deliver long service life under demanding conditions.