Caliso 645K7 Poly V Serpentine Belt K-Series - 7-Rib

The Caliso 645K7 is a K-Series Poly V serpentine belt featuring 7 ribs and an approximately 64.5-inch outside circumference. Designed as a direct-fit replacement for accessory belt drive systems, this multi-rib belt delivers reliable power transmission to engine accessories including the alternator, power steering pump, and air conditioning compressor.

Key Features:

• K-Series (Poly V) Profile with 3.56mm rib pitch for precise pulley engagement
• 7 ribs for optimized load distribution and power transfer
• ~64.5 inch outside circumference for accurate replacement fitment
• Engineered to meet or exceed OEM performance specifications
• Resists cracking, glazing, and tension loss for extended service life
• Compatible with standard K-series pulley systems found in a wide range of automotive applications

Cross-Reference Part Numbers: Gates K070644, ACDelco 7K644, Dayco 5070644 / 5070646, Goodyear 4070645, Bando 7PK1635 / 7PK1640, ContiTech PK070644 / 7K1635, NAPA 25-070644, Flennor 7PK1638, Parts Master 645K7, Omnicraft QJK7650

Replace your worn or cracked serpentine belt with the Caliso 645K7 to restore quiet, efficient operation of your engine's accessory drive system. If your vehicle is equipped with an automatic belt tensioner, inspect and replace it at the same time to maximize belt life.