Looking for aftermarket parts to modify or upgrade your Chevrolet Trailblazer EXT with spark plugs? At Tunersports.com we carry a huge selection of the top name brand performance spark plug parts and accessories for your Trailblazer EXT.
Whether you have a 2002 or 2006 Chevrolet Trailblazer EXT in LS to North Face trim we have you covered. We have 10 spark plugs available to mod your Trailblazer EXT. All parts have free shipping to the Continental US 48 States.
 OUT OF STOCK 3186NGK 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 G-Power Spark Plug Box of 4 (TR5GP) 2003-2004 Chevrolet Trailblazer EXT North Face 2003-2006 Chevrolet Trailblazer EXT LS / LT $33.89 |
IN STOCK 5019NGK 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 G-Power Platinum Spark Plug Box of 4 (LTR5GP) 2002-2004 Chevrolet Trailblazer EXT North Face 2002-2006 Chevrolet Trailblazer EXT LT 2003-2006 Chevrolet Trailblazer EXT LS $40.26 |
 IN STOCK 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) 2003-2004 Chevrolet Trailblazer EXT North Face 2003-2006 Chevrolet Trailblazer EXT LS / LT $52.49 |
 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) 2003-2004 Chevrolet Trailblazer EXT North Face 2003-2006 Chevrolet Trailblazer EXT LS / LT $48.03 |
 OUT OF STOCK 91418NGK 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/Platinum Spark Plug Box of 4 (ILTR5E11) 2002-2004 Chevrolet Trailblazer EXT North Face 2002-2006 Chevrolet Trailblazer EXT LT 2003-2006 Chevrolet Trailblazer EXT LS $52.49 |
 OUT OF STOCK 2467NGK 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 Laser Platinum Spark Plug Box of 4 (PTR5A-13) 2002-2004 Chevrolet Trailblazer EXT North Face 2002-2005 Chevrolet Trailblazer EXT LT 2003-2005 Chevrolet Trailblazer EXT LS $52.53 |
OUT OF STOCK 3784NGK 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 Laser Platinum Spark Plug Box of 4 (PTR5D-10) 2003-2004 Chevrolet Trailblazer EXT North Face 2003-2006 Chevrolet Trailblazer EXT LS / LT $52.53 |
 IN STOCK - LOW 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) 2003-2004 Chevrolet Trailblazer EXT North Face 2003-2006 Chevrolet Trailblazer EXT LS / LT $30.59 |
 OUT OF STOCK 90220NGK 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 (LTR5AHX) 2002-2004 Chevrolet Trailblazer EXT North Face 2002-2006 Chevrolet Trailblazer EXT LT 2003-2006 Chevrolet Trailblazer EXT LS $60.04 |
 IN STOCK - LOW 4344NGK 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 Single Iridium Spark Plug Box of 4 (LTR5IX-11) 2002-2004 Chevrolet Trailblazer EXT North Face 2002-2006 Chevrolet Trailblazer EXT LT 2003-2006 Chevrolet Trailblazer EXT LS $48.03 |