Upgrade your vehicle or industrial drive system with the Bestorq 690K8 serpentine belt—an 8-rib, K-section power transmission belt engineered for longevity, quiet operation, and consistent performance.
Key Features & Specs Section: K-series multi-rib (8 ribs)
Effective Length: 690 mm (27.17 in)
Top Width: 18.7 mm (0.74 in)
Material: High-grade EPDM rubber with aramid-fiber cord reinforcement
Temperature Range: –40 °F to 250 °F (–40 °C to 121 °C)
Resists: Heat, oil, ozone, abrasion, and flex fatigue
Cross References
Thermo King 781067 Gates   8PK690 Mitsuboshi   8PK690 ACDelco   8K690 Dayco   5080690 D&D PowerDrive   8K690
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