Looking for in-stock aftermarket parts to modify or upgrade your 2004 Cadillac CTS with spark plugs? At Tunersports.com we carry a huge selection of the top name brand performance spark plug parts and accessories for your CTS.
Whether you have a 2004 Cadillac CTS in Base to V trim we have you covered. We have 16 spark plugs available to mod your CTS. All parts have free shipping to the Continental US 48 States.
 IN STOCK - LOW 1465NGK 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 Iridium Spark Plug Box of 4 (IZTR5B11) 2004-2007 Cadillac CTS V $52.49 |
IN STOCK 6418NGK 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 Iridium Spark Plug Box of 4 (BKR6EIX) 2003-2004 Cadillac CTS Base $48.03 |
 IN STOCK 7397NGK 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 (TR5IX) 2004-2007 Cadillac CTS V $48.03 |
 IN STOCK 2238NGK 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 Nickel Spark Plug Box of 4 (TR5) 2004-2007 Cadillac CTS V $30.59 |
 IN STOCK 94279NGK 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 Ruthenium HX Spark Plug Box of 4 (FR6AHX-S) 2003-2004 Cadillac CTS Base $60.04 |
 IN STOCK 6962NGK 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 (BKR6E) 2003-2004 Cadillac CTS Base $30.59 |