Best Seller | 1997-2005 Mercury Mountaineer Spark Plug Set - Autopart Premium Mercury Mountaineer Spark Plug Set. Brand: Autopart Premium. Fits Years: 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 97, 98, 99, 00, 01, 02, 03, 04, 05. Spark Plug Set -- Gap 0.054 inch; 8x Iridium and Platinum Spark Plugs 8 Pcs Iridium &... ... more 1997-2005 Mercury Mountaineer Spark Plug Set - Autopart Premium Mercury Mountaineer Spark Plug Set. Brand: Autopart Premium. Fits Years: 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 97, 98, 99, 00, 01, 02, 03, 04, 05. Spark Plug Set -- Gap 0.054 inch; 8x Iridium and Platinum Spark Plugs 8 Pcs Iridium &... Partsgeek.com | | $46.95 FREE shipping go to store |