Caliso 455K6 K-Series Poly-V Serpentine Belt 6-Rib 45.5in

The Caliso 455K6 is a K-Series Poly-V (Micro-Rib) serpentine belt designed for high-speed and high drive ratio accessory drive applications. With 6 ribs and a pitch length of 45.5 inches (outside circumference 46.25 in), this belt delivers smooth, reliable power transfer to engine accessories such as the alternator, power steering pump, and air conditioning compressor.

Key Features:

• 6-Rib K-Section (Poly-V) design — 0.84 in (21.30 mm) belt width
• Pitch Length: 45.5 in (1,156 mm) | Outside Circumference: 46.25 in (1,175 mm)
• Pre-stretched polyester tensile cords for dimensional stability and reduced elongation
• High-temperature synthetic rubber compound resists heat buildup and abrasion
• Truncated rib profile maximizes flexibility, improves traction, and resists debris contamination in sheave grooves
• Engineered for smooth, vibration-free operation under demanding drive conditions
• Metric equivalent: 6PK1156

Cross-Reference Part Numbers:

• Gates: K060455
• Dayco: 5060455
• Goodyear: 4060455
• Napa: 25-060455 / 25060455
• Bando: 6PK1155

The 455K6 meets or exceeds RMA (Rubber Manufacturers Association) published rating levels, making it a dependable OE-equivalent replacement for automotive, powersports, and industrial accessory drive systems.