NGK NTK Upstream Right O2 Oxygen Sensor for 1988-1990 Mercury Sable 3.8L V6 mg

Denso Upstream Oxygen Sensor for 1987-1990 Mercury Sable 3.0L V6 Exhaust cg

NGK NTK Upstream O2 Oxygen Sensor for 1979-1987 Mercury Cougar 3.8L V6 3.3L md

NGK NTK Upstream Right O2 Oxygen Sensor for 1999-2005 Mercury Sable 3.0L V6 zu

NGK NTK Upstream Left O2 Oxygen Sensor for 1999-2005 Mercury Sable 3.0L V6 - bm

NGK NTK Upstream Left O2 Oxygen Sensor for 2005-2007 Mercury Montego 3.0L V6 pl

NGK NTK Upstream Rear O2 Oxygen Sensor for 2005-2008 Mercury Mariner 3.0L V6 ru

NGK NTK Upstream Right O2 Oxygen Sensor for 1992-1994 Mercury Topaz 3.0L V6 an