Caliso 780K5 Poly-V Serpentine Belt K-Section - 5-Rib 78.75

The Caliso 780K5 is a K-Section Poly-V serpentine belt featuring 5 ribs and a 78.0-inch pitch length (78.75-inch outside circumference). Designed as a direct-fit replacement for OEM accessory drive systems, this multi-rib belt delivers reliable power transmission to engine accessories such as the alternator, power steering pump, air conditioning compressor, and water pump.

Key Features:

• K-Section Poly-V profile with 5 ribs for precise pulley engagement
• 78.0" pitch length / 78.75" outside circumference x 0.7" wide
• EPDM rubber construction resists cracking, heat, and ozone degradation
• High-tensile cord reinforcement for reduced tension loss and extended belt life
• Fiber-reinforced rib stock minimizes noise from worn or misaligned pulleys
• Meets or exceeds OEM specifications for form, fit, and function

Cross-Reference Part Numbers: Gates K050780, Dayco 5050780, NAPA 25-050780 / 25050780, Bando 5PK1981, ACDelco 5K780, Continental 780K5MK, Parts Master 780K5, PIX A-780K5, Saturn OEM 21007098.

This serpentine belt is a straightforward drop-in replacement that requires no re-tensioning beyond normal installation procedure. When replacing the belt, inspection or replacement of the belt tensioner and idler pulleys is recommended to ensure maximum service life.