Caliso 420K5 K-Section Poly-V Serpentine Belt - 5-Rib 42 Inch

The Caliso 420K5 is a K-section Poly-V (multi-ribbed) serpentine belt designed for reliable power transmission across engine accessory drive systems. Featuring 5 ribs and a 42-inch effective length, this belt is engineered to drive critical components such as the alternator, water pump, power steering pump, and air conditioning compressor.

The K-section micro-rib profile ensures precise engagement with grooved pulleys, reducing slippage and minimizing vibration for smooth, quiet operation. This belt is a direct cross-reference for Gates K050420, Dayco 5050420, Goodyear 4050420, Bando 5PK1065, and NAPA 25-050420, among many others.

Key Features:

• Belt Type: K-Section Poly-V / Micro-Rib Serpentine Belt
• Number of Ribs: 5
• Effective Length: 42 inches (1066 mm)
• Section: K (3/32" rib pitch)
• Designed to meet or exceed OEM specifications
• Resists heat, oil, and ozone for extended service life
• Compatible with standard grooved K-section pulleys

Cross-Reference Part Numbers: Gates K050420, Dayco 5050420, Goodyear 4050420, Bando 5PK1065, NAPA 25-050420, Motorcraft JK5-424 / JK5-425 / JK5-427, ACDelco 5K418, Duralast 420K5, Freshstart 420K5, Driveworks 420K5.

The Caliso 420K5 serpentine belt is a dependable replacement solution for a wide range of automotive applications, delivering consistent performance and long service life under demanding engine bay conditions.