Caliso 878K6 Poly V Serpentine Belt - 6-Rib 87.8in

The Caliso 878K6 is a 6-rib Poly V serpentine belt (also known as a multi-rib or micro-rib drive belt) engineered for automotive accessory drive systems. With an outside circumference of 88.55 inches and a K-section profile measuring 0.84 inches wide, this belt is a direct-fit replacement for a wide range of passenger car and light truck applications.

Key Features:

• 6-Rib K-Section Profile — Poly V / multi-groove construction for maximum belt-to-pulley contact and load-carrying capacity
• EPDM Rubber Construction — Heat and ozone resistant compound for extended service life in demanding underhood environments
• Treated Polyester Cord — Reinforced tensile cord reduces belt stretch and maintains consistent tension over the belt's service life
• Fiber-Reinforced Rib Stock — Added fiber in the ribs helps dampen noise from worn or slightly misaligned pulleys
• High-Speed / High Drive Ratio Design — Engineered for the demands of modern multi-accessory serpentine drive systems
• Meets or Exceeds RMA Standards — Manufactured to USA Rubber Manufacturers Association published performance ratings

The 878K6 serpentine belt drives critical engine accessories including the alternator, power steering pump, air conditioning compressor, and water pump from a single continuous loop. Cross-reference part numbers include 5060878, 4060878, 6PK2230, and 6K878.