Caliso 500K5 Poly-V Serpentine Belt K-Section Pitch Length - 5-Rib 50

The Caliso 500K5 is a 5-rib K-section Poly-V serpentine belt engineered to meet or exceed OEM specifications for automotive accessory drive systems. With a 50.0-inch pitch length and 50.75-inch outside circumference, this belt is a direct-fit replacement for a wide range of passenger car and light truck applications.

Also sold under the FVP label as a Poly-V Multi-V serpentine belt, the 500K5 is built from heat and ozone-resistant EPDM rubber for long service life in demanding underhood environments. Reinforced fiber in the rib stock helps reduce noise from worn or misaligned pulleys, while a treated polyester tension cord minimizes belt stretch and maintains consistent drive performance over time.

Key Features:

• K-Section Poly-V design with 5 ribs for superior belt-to-pulley contact
• 50.0" pitch length / 50.75" outside circumference
• EPDM rubber compound with high-temperature polymer for maximum load-carrying capacity
• Fiber-reinforced rib stock reduces noise from worn or misaligned pulleys
• Treated polyester cord construction to minimize belt stretch
• Designed for high-speed, high-drive-ratio applications
• Meets or exceeds USA RMA published ratings

Cross-Reference Part Numbers: Dayco 5050551, Gates K050551, Napa 25-K050551, Goodyear 4050550, Bando 5PK1385

The 500K5 serpentine belt is also commonly referenced as part number K050500 and cross-references with Dayco 5050500, Napa 25-050500, Goodyear 4050500, and Bando 5PK1270. This belt is a reliable, cost-effective solution for restoring your vehicle's accessory drive belt system.