Part Notes: 4 Rib Design , Nylon , Replace Plastic Pulley With BL3Z-8678-D Only , Replacing Service Part; BL3Z-8678-D Is Now Steel , Some Service Engines Use Steel Idler Pulley BL3Z-8678-C
Production Date: 10/2013-12/2014
Fitting Vehicle Options: 8 Cyl 5.0L MOD DOHC SEFI NA