Looking for aftermarket parts to modify or upgrade your 2003 Chevrolet Trailblazer EXT with oxygen sensors? At Tunersports.com we carry a huge selection of the top name brand performance oxygen sensor parts and accessories for your Trailblazer EXT.
Whether you have a 2003 Chevrolet Trailblazer EXT in LS to North Face trim we have you covered. We have 5 oxygen sensors available to mod your Trailblazer EXT. All parts have free shipping to the Continental US 48 States.
 OUT OF STOCK 21044NTK® is The Sensor Specialist™ for import and domestic applications. Established under the NGK family of products, NTK Oxygen Sensors are part of our ongoing commitment to streamline product types and increase coverage. A ceramics company at our core, NTK uses state-of-the art technology enabling... NGK Buick Rainier 2005-2004 Direct Fit Oxygen Sensor 2002-2004 Chevrolet Trailblazer EXT North Face 2002-2005 Chevrolet Trailblazer EXT LT 2003-2005 Chevrolet Trailblazer EXT LS $59.48 |
 OUT OF STOCK 21047NTK® is The Sensor Specialist™ for import and domestic applications. Established under the NGK family of products, NTK Oxygen Sensors are part of our ongoing commitment to streamline product types and increase coverage. A ceramics company at our core, NTK uses state-of-the art technology enabling... NGK Buick Rainier 2004 Direct Fit Oxygen Sensor 2003-2004 Chevrolet Trailblazer EXT LS / LT / North Face $59.57 |
 OUT OF STOCK 21048NTK® is The Sensor Specialist™ for import and domestic applications. Established under the NGK family of products, NTK Oxygen Sensors are part of our ongoing commitment to streamline product types and increase coverage. A ceramics company at our core, NTK uses state-of-the art technology enabling... NGK Buick Allure 2007-2005 Direct Fit Oxygen Sensor 2003-2004 Chevrolet Trailblazer EXT North Face 2003-2005 Chevrolet Trailblazer EXT LS / LT $60.72 |
 OUT OF STOCK 21049NTK® is The Sensor Specialist™ for import and domestic applications. Established under the NGK family of products, NTK Oxygen Sensors are part of our ongoing commitment to streamline product types and increase coverage. A ceramics company at our core, NTK uses state-of-the art technology enabling... NGK Chevrolet Astro 2005-2003 Direct Fit Oxygen Sensor 2002-2003 Chevrolet Trailblazer EXT LT / North Face 2003-2003 Chevrolet Trailblazer EXT LS $64.39 |
 OUT OF STOCK 21516NTK® is The Sensor Specialist™ for import and domestic applications. Established under the NGK family of products, NTK Oxygen Sensors are part of our ongoing commitment to streamline product types and increase coverage. A ceramics company at our core, NTK uses state-of-the art technology enabling... NGK Chevrolet Astro 2002-2000 Direct Fit Oxygen Sensor 2003-2004 Chevrolet Trailblazer EXT LS / LT / North Face $65.86 |