Mercury Oxygen Sensor
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App: 2006-2009 Mercury Milan
Brand: Replacement
Part #: USOS-4000
Notes: "UNIVERSAL OXYGEN SENSOR -- 4 Wires, Quality Construction And Materials Make This Item One Of The Top Selling OE Replacement Oxygen Sensors. This May Require Modification Or Other Adjustments To Your Vehicle Upon Installation, Direct Fit Part "
| Make | Model | Year Range | Chassis/Engine |
| Mercury | Milan | 2006 - 2009 | 4Cyl 2.3L Base |
| Mercury | Milan | 2006 - 2009 | 4Cyl 2.3L Premier |
| Mercury | Milan | 2006 - 2009 | 6Cyl 3.0L Base |
| Mercury | Milan | 2006 - 2009 | 6Cyl 3.0L Premier |
App: 2005-2009 Mercury Mariner
Brand: Replacement
Part #: USOS-4000
Notes: "UNIVERSAL OXYGEN SENSOR -- 4 Wires, Quality Construction And Materials Make This Item One Of The Top Selling OE Replacement Oxygen Sensors. This May Require Modification Or Other Adjustments To Your Vehicle Upon Installation, Direct Fit Part "
| Make | Model | Year Range | Chassis/Engine |
| Mercury | Mariner | 2005 - 2009 | 6Cyl 3.0L Premier |
| Mercury | Mariner | 2005 - 2008 | 4Cyl 2.3L Base |
| Mercury | Mariner | 2006 - 2007 | 4Cyl 2.3L Convenience |
| Mercury | Mariner | 2006 - 2007 | 6Cyl 3.0L Luxury |
| Mercury | Mariner | 2006 - 2008 | 4Cyl 2.3L Hybrid |
App: 2005-2007 Mercury Montego
Brand: Replacement
Part #: USOS-4000
Notes: "UNIVERSAL OXYGEN SENSOR -- 4 Wires, Quality Construction And Materials Make This Item One Of The Top Selling OE Replacement Oxygen Sensors. This May Require Modification Or Other Adjustments To Your Vehicle Upon Installation, Direct Fit Part "
| Make | Model | Year Range | Chassis/Engine |
| Mercury | Montego | 2005 | 6Cyl 3.0L Base |
| Mercury | Montego | 2005 - 2007 | 6Cyl 3.0L Premier |
| Mercury | Montego | 2006 - 2007 | 6Cyl 3.0L Luxury |
App: 2004-2007 Mercury Monterey
Brand: Replacement
Part #: USOS-4000
Notes: "UNIVERSAL OXYGEN SENSOR -- 4 Wires, Quality Construction And Materials Make This Item One Of The Top Selling OE Replacement Oxygen Sensors. This May Require Modification Or Other Adjustments To Your Vehicle Upon Installation, Direct Fit Part "
| Make | Model | Year Range | Chassis/Engine |
| Mercury | Monterey | 2004 - 2005 | 6Cyl 4.2L Base |
| Mercury | Monterey | 2004 - 2005 | 6Cyl 4.2L Premier |
| Mercury | Monterey | 2006 - 2007 | 6Cyl 4.2L Luxury |
App: 2003-2004 Mercury Marauder
Brand: Replacement
Part #: USOS-4000
Notes: "UNIVERSAL OXYGEN SENSOR -- 4 Wires, Quality Construction And Materials Make This Item One Of The Top Selling OE Replacement Oxygen Sensors. This May Require Modification Or Other Adjustments To Your Vehicle Upon Installation, Direct Fit Part "
| Make | Model | Year Range | Chassis/Engine |
| Mercury | Marauder | 2003 - 2004 | 8Cyl 4.6L Base |