Replace OE Number:6PK1626/1060640 Fitment:for Buick Regal 1986-1987for Ford Aerostar 1991for Ford Bronco II 1985for Ford F-150 2011-2022for Ford Lobo 2011-2020for Ford for Ranger 1985-1987 1991 Specification:Material: Ethylene Propylene Diene Monomer (EPDM)Rib Quantity: 6 Effective Length: 1626±10mmTop Width: 21±0.5mmLocation: EngineFeature:Drive belt adopts durable EPDM material to deliver great resistance to heat, oil, water, cracking and abrasion, keeping steady flexibility and tension to avoid slippage and replacement frequency.Serpentine Drive Belt's precision micro-groove design enables seamless installation, quiet running, steady power output and effective vibration reduction for dependable daily performance.