| Notes | Year | Make | Model | Trim | Engine |
| Complete Replacement Set; Position: Upstream (Front) 2 pcs & Downstream (Rear) 2 pcs | 2011 | Mercury | Grand Marquis | All | 4.6L 281Cu. In. V8 FLEX SOHC Naturally Aspirated |
| Complete Replacement Set; Position: Upstream (Front) 2 pcs & Downstream (Rear) 2 pcs | 2010 | Mercury | Grand Marquis | All | 4.6L 281Cu. In. V8 FLEX SOHC Naturally Aspirated |
| Complete Replacement Set; Position: Upstream (Front) 2 pcs & Downstream (Rear) 2 pcs | 2010 | Mercury | Grand Marquis | All | 4.6L 281Cu. In. V8 GAS SOHC Naturally Aspirated |
| Complete Replacement Set; Position: Upstream (Front) 2 pcs & Downstream (Rear) 2 pcs | 2009 | Mercury | Grand Marquis | All | 4.6L 281Cu. In. V8 FLEX SOHC Naturally Aspirated |
| Complete Replacement Set; Position: Upstream (Front) 2 pcs & Downstream (Rear) 2 pcs | 2009 | Mercury | Grand Marquis | All | 4.6L 281Cu. In. V8 GAS SOHC Naturally Aspirated |
| Complete Replacement Set; Position: Upstream (Front) 2 pcs & Downstream (Rear) 2 pcs | 2008 | Mercury | Grand Marquis | All | 4.6L 281Cu. In. V8 FLEX SOHC Naturally Aspirated |
| Complete Replacement Set; Position: Upstream (Front) 2 pcs & Downstream (Rear) 2 pcs | 2008 | Mercury | Grand Marquis | All | 4.6L 281Cu. In. V8 GAS SOHC Naturally Aspirated |
| Complete Replacement Set; Position: Upstream (Front) 2 pcs & Downstream (Rear) 2 pcs | 2007 | Mercury | Grand Marquis | All | 4.6L 281Cu. In. V8 FLEX SOHC Naturally Aspirated |
| Complete Replacement Set; Position: Upstream (Front) 2 pcs & Downstream (Rear) 2 pcs | 2007 | Mercury | Grand Marquis | All | 4.6L 281Cu. In. V8 GAS SOHC Naturally Aspirated |
| Complete Replacement Set; Position: Upstream (Front) 2 pcs & Downstream (Rear) 2 pcs | 2006 | Mercury | Grand Marquis | All | 4.6L 281Cu. In. V8 FLEX SOHC Naturally Aspirated |
| Complete Replacement Set; Position: Upstream (Front) 2 pcs & Downstream (Rear) 2 pcs | 2006 | Mercury | Grand Marquis | All | 4.6L 281Cu. In. V8 GAS SOHC Naturally Aspirated |
| Complete Replacement Set; Position: Upstream (Front) 2 pcs & Downstream (Rear) 2 pcs | 2005 | Mercury | Grand Marquis | All | 4.6L 281Cu. In. V8 GAS SOHC Naturally Aspirated |
| Complete Replacement Set; Position: Upstream (Front) 2 pcs & Downstream (Rear) 2 pcs | 2004 | Mercury | Grand Marquis | All | 4.6L 281Cu. In. V8 GAS SOHC Naturally Aspirated |
| Complete Replacement Set; Position: Upstream (Front) 2 pcs & Downstream (Rear) 2 pcs | 2003 | Mercury | Grand Marquis | All | 4.6L 281Cu. In. V8 GAS SOHC Naturally Aspirated |
| Complete Replacement Set; Position: Upstream (Front) 2 pcs & Downstream (Rear) 2 pcs | 2002 | Mercury | Grand Marquis | All | 4.6L 281Cu. In. V8 GAS SOHC Naturally Aspirated |
| Complete Replacement Set; Position: Upstream (Front) 2 pcs & Downstream (Rear) 2 pcs | 2001 | Mercury | Grand Marquis | All | 4.6L 281Cu. In. V8 GAS SOHC Naturally Aspirated |
| Complete Replacement Set; Position: Upstream (Front) 2 pcs & Downstream (Rear) 2 pcs | 2000 | Mercury | Grand Marquis | All | 4.6L 281Cu. In. V8 GAS SOHC Naturally Aspirated |
| Complete Replacement Set; Position: Upstream (Front) 2 pcs & Downstream (Rear) 2 pcs | 1999 | Mercury | Grand Marquis | All | 4.6L 281Cu. In. V8 GAS SOHC Naturally Aspirated |
| Complete Replacement Set; Position: Upstream (Front) 2 pcs & Downstream (Rear) 2 pcs | 1998 | Mercury | Grand Marquis | All | 4.6L 281Cu. In. V8 GAS SOHC Naturally Aspirated |
| Complete Replacement Set; Position: Upstream (Front) 2 pcs & Downstream (Rear) 2 pcs | 1997 | Mercury | Grand Marquis | All | 4.6L 281Cu. In. V8 GAS SOHC Naturally Aspirated |
| Complete Replacement Set; Position: Upstream (Front) 2 pcs & Downstream (Rear) 2 pcs | 1996 | Mercury | Grand Marquis | All | 4.6L 281Cu. In. V8 GAS SOHC Naturally Aspirated |