Looking for in-stock aftermarket parts to modify or upgrade your 2004 Kia Optima with spark plugs? At Tunersports.com we carry a huge selection of the top name brand performance spark plug parts and accessories for your Optima.
Whether you have a 2004 Kia Optima in EX to LX trim we have you covered. We have 11 spark plugs available to mod your Optima. All parts have free shipping to the Continental US 48 States.
 IN STOCK 7090NGK Spark Plugs (U.S.A.), Inc. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist™. With over 80 years of automotive ex... NGK GP Platinum Spark Plugs Box of 4 (BKR5EGP) 2001-2008 Kia Optima LX 2004-2008 Kia Optima EX $33.89 |
 IN STOCK 2115NGK Spark Plugs (U.S.A.), Inc. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist™. With over 80 years of automotive ex... NGK IX Iridium Spark Plug Box of 4 (BPR5EIX-11) 2001-2006 Kia Optima LX 2004-2006 Kia Optima EX $48.03 |
 IN STOCK 7634NGK Spark Plugs (U.S.A.), Inc. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist™. With over 80 years of automotive ex... NGK Standard Spark Plug Box of 4 (BPR5ES-11) 2001-2006 Kia Optima LX 2004-2006 Kia Optima EX $30.59 |
 IN STOCK 2382NGK Spark Plugs (U.S.A.), Inc. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist™. With over 80 years of automotive ex... NGK Traditional Spark Plug Box of 4 (BKRSES-11) 2001-2006 Kia Optima LX 2004-2006 Kia Optima EX $29.79 |
 IN STOCK - LOW 6937NGK Spark Plugs (U.S.A.), Inc. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist™. With over 80 years of automotive ex... NGK V-Power Spark Plug Box of 4 (BPR5EY-11) 2001-2006 Kia Optima LX 2004-2006 Kia Optima EX $29.79 |
IN STOCK 6953NGK Spark Plugs (U.S.A.), Inc. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist™. With over 80 years of automotive ex... NGK V-Power Spark Plug Box of 4 (BKR5E-11) 2001-2006 Kia Optima LX 2004-2006 Kia Optima EX $30.59 |