2003 Nissan Altima Oxygen Sensors & Components
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- TRQ®Upstream Oxygen SensorNissan Altima 2.5L 2003, Upstream 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...Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part$39.72 - $55.75$40.95 - $59.95Save up to 7%
- TRQ®Oxygen SensorNissan Altima 2.5L 2003, Oxygen Sensor by TRQ®. Position: Downstream. 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$44.60 - $54.67$46.95 - $56.95Save up to 5%
- Walker Products®Oxygen SensorNissan Altima 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$39.33 - $68.33
- Denso®Oxygen SensorNissan Altima 3.5L 2003, Oxygen Sensor by Denso®. Make sure your engine runs efficiently and produces fewer emissions by replacing your malfunctioning fuel-ratio sensors with these top-notch products designed by Denso. Engineered with...High quality plastic and/or steel constructionDirect replacement for a proper fit every time$66.44 - $95.98
- Delphi®Oxygen SensorNissan Altima 3.5L 2003, Oxygen Sensor by Delphi®. 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 together to develop the...Resists high temperatures, vibration damage and wire corrosion to protect signal accuracy, and long lifePatented sensors construction and design$84.68 - $106.07
- Bosch®Premium Narrow-band Oxygen SensorNissan Altima 3.5L 2003, Premium Narrow-band Oxygen Sensor by Bosch®. 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 from Bosch...OE Identical ConnectorCompact Design$61.88 - $99.47
- Walker Products®Premium Oxygen SensorNissan Altima 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$45.01 - $73.96
- NTK®Oxygen SensorNissan Altima 3.5L 2003, Oxygen Sensor by NTK®. Thimble type sensors feature a ceramic element that projects into the exhaust system and becomes electrically conductive at high temperature. The sensor element then sends voltage signals...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$57.90 - $123.10
- Denso®Universal Fit Oxygen SensorNissan Altima 3.5L 2003, Universal Fit Oxygen Sensor by Denso®. 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 monitor the air fuel...Corrosion-resistant stainless steel constructionPTFE filter blocks efficiency-robbing contaminants$50.67
- Bosch®Narrow-band Oxygen SensorNissan Altima 3.5L 2003, Narrow-band Oxygen Sensor by Bosch®. 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 which oxygen sensors are...OE-EquivalentOE Style connectors and wire lengths$41.74 - $42.98
- 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...
- Nissan OEEmission System - Emission ComponentsNissan Altima 2003, Emission System - Emission Components by Nissan OE. Rely on superior-grade Nissan OE parts to maintain your Nissan and keep it in like-new condition for a long time. Made to strict standards of quality using...Genuine Nissan OEM part that offers superior quality and fitmentEngineered and tested to meet all Nissan standards$8.74 - $460.12
- Nissan OEEmission System - Emission Components (2.5L)Nissan Altima 2.5L 2003, Emission System - Emission Components by Nissan OE. Rely on superior-grade Nissan OE parts to maintain your Nissan and keep it in like-new condition for a long time. Made to strict standards of quality using...Genuine Nissan OEM part that offers superior quality and fitmentEngineered and tested to meet all Nissan standards$7.04 - $460.12
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