Brand New Factory Sealed Inventory 200 NAPA 36770 Belt Drive Pulley Steel V-Ribbed 8 Grooved (90mm X 17mm) Flanged Part #: NBH 36770 Line: NAPA Belts Hoses DriveAlign Idler Pulleys provide OE-quality fit to passenger cars and light trucks, performing as a locked center tensioning pulley, an automatic belt tensioner pulley or an idler pulley. Steel and thermoplastic construction designed to tight manufacturing tolerances for high durability and quality performance Built to last with a superior resistance to dirt, salt, chemicals and other under-hood contaminants OE-quality fit for virtually every domestic or import vehicle on the road today Bearings meet or exceed OE standards with application-specific speed and load requirements, to withstand high under hood temperatures Premium bearings eliminate bearing noise Mounting hardware included for some popular applications Reliable operation under severe conditions DriveAlign Idler Pulleys Are Built To Last By Resisting Dirt, Salt Other Under-Hood Contaminants. Vehicle Fitment Guide Make Model Year(s) Ford F450 Super Duty 1 1/2 Ton Truck 2011 -2017 Ford F450 Super Duty 1 1/2 Ton Truck 2019 -2019 Ford F250 Super Duty 3/4 Ton - Pickup 2011 -2019 Ford F350 Super Duty 1 Ton - Pickup 2011 -2019 Ford F550 Super Duty 2011 -2019 Ford F750 Super Duty 2016 -2019 Ford F650 Super Duty 2016 -2019