2003 Toyota Highlander Emission Control Parts
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- TRQ®O2 Oxygen SensorToyota Highlander 2003, O2 Oxygen Sensor by TRQ®. TRQ oxygen sensors are manufactured to precise specifications using premium raw materials to optimize your vehicle’s emission system. Each sensor is isostatically-pressed for...Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part$34.15 - $73.27$35.95 - $77.95Save up to 6%
- Beck Arnley®PCV ValveToyota Highlander 3.0L 2003, PCV Valve by Beck Arnley®. Make sure your vehicle’s emission control system performs at its optimum level with top-of-the-line Beck Arnley replacement emission control parts. Designed to match OE (original...Designed to ensure reliable operation of your emission control systemDirect OE (original equipment) replacement$4.69
- TRQ®Oxygen SensorToyota Highlander 2.4L 2003, Oxygen Sensor by TRQ®. Position: Upstream. If your oxygen sensor fails, replace it with this top-grade part developed to easily fix the problem. Built to fit and function exactly as the part it is replacing,...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$68.35$71.95Save $3.60 (5%)
- Denso®Oxygen SensorToyota Highlander 3.0L 2003, Oxygen Sensor by Denso®. Position: Downstream. Make sure your engine runs efficiently and produces fewer emissions by replacing your malfunctioning fuel-ratio sensors with these top-notch products designed...High quality plastic and/or steel constructionDirect replacement for a proper fit every time$63.23
- Bosch®Premium Oxygen SensorToyota Highlander 2003, Premium Oxygen Sensor by Bosch®. Position: Downstream. A worn-out oxygen sensor can cause engine performance problems and shorten the life of the catalytic converter. Tune-up your vehicle with an Oxygen Sensor...OE Identical ConnectorCompact Design$65.04 - $90.83
- Genuine®PCV ValveToyota Highlander 2003, PCV Valve by Genuine®. Genuine is here to give you the ultimate in quality and reliability at a cost you can afford. Designed utilizing the latest technologies and manufactured from premium materials using...Made with precision and quality in mindDesigned to meet your specific needs$9.27 - $13.72
- Walker Products®Oxygen SensorToyota Highlander 2003, Oxygen Sensor by Walker Products®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...High quality at an affordable priceExpertly made from premium materials$49.25 - $186.32
- Bosch®Narrow-band Oxygen SensorToyota Highlander 2003, Narrow-band Oxygen Sensor by Bosch®. Position: Downstream. The Bosch oxygen sensor utilizes a mix of zirconium and yttrium oxides and other elements to form a tough base that withstands the intense stress to...OE-EquivalentOE Style connectors and wire lengths$50.66 - $55.94
- Standard®Intermotor™ PCV ValveToyota Highlander 2003, Intermotor™ PCV Valve by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...Made with precision and quality in mindDesigned to meet your specific needs$6.42 - $7.99
- Walker Products®Premium Oxygen SensorToyota Highlander 2003, Premium Oxygen Sensor by Walker Products®. Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet or exceed all original equipment specifications and test requirements. The...Improved Engine Response & PerformanceLower Emissions$55.18 - $58.36
- NTK®Oxygen SensorToyota Highlander 3.0L 2003, Oxygen Sensor by NTK®. Position: Downstream. Location: B1S2. Thimble type sensors feature a ceramic element that projects into the exhaust system and becomes electrically conductive at high temperature. The...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$66.41
- Genuine®Vapor CanisterToyota Highlander MCU2 Body Code 3.0L Manufactured Before July 2003, Vapor Canister by Genuine®. Genuine is here to give you the ultimate in quality and reliability at a cost you can afford. Designed utilizing the latest technologies...Made with precision and quality in mindDesigned to meet your specific needs$522.91
- Bosch®Premium Wideband Oxygen SensorToyota Highlander 2003, Premium Wideband Oxygen Sensor by Bosch®. Position: Upstream. This sensor utilizes a sophisticated sensing element enabling it to produce a precise output in proportion to the air/fuel ratio. Wideband sensors use...Detects the exact amount of unburned fuel in the exhaust streamOE connectors and OE-style harness for continuous wire from connector to sensor$179.93 - $256.28
- WVE®Vapor CanisterToyota Highlander 2003, Vapor Canister by WVE®. WVE emissions products are made to meet or exceed vehicle manufacturer specifications to work in concert with the fuel system, underhood electronics and the engine to minimize emissions of...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$635.34
- Denso®Universal Fit Oxygen SensorToyota Highlander 3.0L 2003, Universal Fit Oxygen Sensor by Denso®. Position: Downstream. Denso's light duty oxygen sensor started to appear on vehicles with the development of fuel injection systems. The basic job of the sensor is to...Corrosion-resistant stainless steel constructionPTFE filter blocks efficiency-robbing contaminants$60.18
- Standard®Intermotor™ Vapor CanisterToyota Highlander 2003, Intermotor™ Vapor Canister by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation...Made with precision and quality in mindDesigned to meet your specific needs$554.69 - $559.50
- WVE®PCV ValveToyota Highlander 2003, PCV Valve by WVE®. WVE emissions products are made to meet or exceed vehicle manufacturer specifications to work in concert with the fuel system, underhood electronics and the engine to minimize emissions of...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$5.53 - $5.66
- Original (OEM)Emission Control PartsAlong with power, your engine produces carbon monoxide, oxide of nitrogen, hydrocarbons, and other hazardous gases that cause harm to the environment. To minimize air pollution, all vehicles are equipped with an emission control system...
- Toyota OEEmission System - Emission Components (2.4L)Toyota Highlander 2.4L 2003, Emission System - Emission Components by Toyota OE. There's no better way to make your Toyota look and perform the way it should than relying on genuine Toyota OE parts. Unlike many aftermarket parts, these...Genuine Toyota OEM parts designed to fit perfectlyCrafted from high-grade materials to ensure superior quality$105.54 - $437.74
- Toyota OEEmission System - Emission Components (3.0L)Toyota Highlander 3.0L 2003, Emission System - Emission Components by Toyota OE. There's no better way to make your Toyota look and perform the way it should than relying on genuine Toyota OE parts. Unlike many aftermarket parts, these...Genuine Toyota OEM parts designed to fit perfectlyCrafted from high-grade materials to ensure superior quality$7.98 - $437.74
- Genuine®Oxygen SensorToyota Highlander 2.4L 2003, Oxygen Sensor by Genuine®. Genuine is here to give you the ultimate in quality and reliability at a cost you can afford. Designed utilizing the latest technologies and manufactured from premium materials...Made with precision and quality in mindDesigned to meet your specific needs$175.90 - $272.67
- Delphi®Oxygen SensorToyota Highlander 3.0L 2003, Oxygen Sensor by Delphi®. Position: Rear. As one of the leading suppliers of oxygen sensor technology since 1978, Delphi planar technology is the result of their OE and aftermarket engineers partnering...Resists high temperatures, vibration damage and wire corrosion to protect signal accuracy, and long lifePatented sensors construction and design$83.44
- Standard®Intermotor™ Vapor Canister Purge SolenoidToyota Highlander 2003, Intermotor™ Vapor Canister Purge Solenoid by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the...Made with precision and quality in mindDesigned to meet your specific needs$50.48 - $111.16
- Denso®Air Fuel Ratio SensorToyota Highlander 3.0L 2003, Air Fuel Ratio Sensor by Denso®. Position: Upstream. Make sure your engine runs efficiently and produces fewer emissions by replacing your malfunctioning fuel-ratio sensors with these top-notch products...Designed to help reduce fuel consumption and harmful emissionsMade with the use of state-of-the-art sensor technologies$170.19
- WVE®Vapor Canister Purge SolenoidToyota Highlander 2003, Vapor Canister Purge Solenoid by WVE®. WVE emissions products are made to meet or exceed vehicle manufacturer specifications to work in concert with the fuel system, underhood electronics and the engine to...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$85.55 - $145.66
- Walker Products®Premium Air Fuel Ratio SensorToyota Highlander 2003, Premium Air Fuel Ratio Sensor by Walker Products®. Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet or exceed all original equipment specifications and test...Designed to meet or exceed OE specifications in form, fit and functionGlobal coverage for import and/or domestic applications$118.89 - $186.32
- Genuine®PCV HoseToyota Highlander 3.0L 2003, PCV Hose by Genuine®. Genuine is here to give you the ultimate in quality and reliability at a cost you can afford. Designed utilizing the latest technologies and manufactured from premium materials using...Made with precision and quality in mindDesigned to meet your specific needs$26.01
- Genuine®Crankcase Breather HoseToyota Highlander 2.4L 2003, Crankcase Breather Hose by Genuine®. Genuine is here to give you the ultimate in quality and reliability at a cost you can afford. Designed utilizing the latest technologies and manufactured from premium...Made with precision and quality in mindDesigned to meet your specific needs$49.25
- Gates®Engine Crankcase Breather HoseToyota Highlander 3.0L 2003, Engine Crankcase Breather Hose by Gates®. Location: PCV Valve to Intake. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art...High quality at an affordable priceExpertly made from premium materials$11.50
- Genuine®PCV Valve HoseToyota Highlander 3.0L 2003, PCV Valve Hose by Genuine®. Hose #2. Genuine is here to give you the ultimate in quality and reliability at a cost you can afford. Designed utilizing the latest technologies and manufactured from premium...Made with precision and quality in mindDesigned to meet your specific needs$60.21
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