Photo 1 of 5WK96645H 5WK96631H (Set of 2) Inlet & Outlet Nitrogen Oxygen Sensor NOx Sensor Nitric Oxide Sensor for GMC Savana Sierra 2500 3500 4500 6.6L Diesel For # 12671387 12671388

Double tap image to zoom

Photo 1 of 5WK96645H 5WK96631H (Set of 2) Inlet & Outlet Nitrogen Oxygen Sensor NOx Sensor Nitric Oxide Sensor for GMC Savana Sierra 2500 3500 4500 6.6L Diesel For # 12671387 12671388Photo 2 of 5WK96645H 5WK96631H (Set of 2) Inlet & Outlet Nitrogen Oxygen Sensor NOx Sensor Nitric Oxide Sensor for GMC Savana Sierra 2500 3500 4500 6.6L Diesel For # 12671387 12671388Photo 3 of 5WK96645H 5WK96631H (Set of 2) Inlet & Outlet Nitrogen Oxygen Sensor NOx Sensor Nitric Oxide Sensor for GMC Savana Sierra 2500 3500 4500 6.6L Diesel For # 12671387 12671388