1997 Toyota 4Runner Oxygen Sensors & Components
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TRQ®Upstream Oxygen SensorToyota 4Runner 2.7L / 3.4L 1997, 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...Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part$36.81 - $54.67$37.95 - $56.95Save up to 4% - Denso®Oxygen SensorToyota 4Runner 1997, 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 the...High quality plastic and/or steel constructionDirect replacement for a proper fit every time$58.12 - $64.05
- TRQ®Oxygen SensorToyota 4Runner 1997, Oxygen Sensor by TRQ®. 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, the product provides...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$25.06 - $59.47$26.95 - $61.95Save up to 7%
- Walker Products®Oxygen SensorToyota 4Runner 1997, 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$46.13 - $60.90
- Denso®Universal Fit Oxygen SensorToyota 4Runner 2.7L / 3.4L 1997, 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...Corrosion-resistant stainless steel constructionPTFE filter blocks efficiency-robbing contaminants$60.18
- Walker Products®Premium Oxygen SensorToyota 4Runner 1997, 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$54.39 - $65.64
- 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 (2.7L)Toyota 4Runner 2.7L 1997, 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 are...Genuine Toyota OEM parts designed to fit perfectlyCrafted from high-grade materials to ensure superior quality$22.77 - $399.60
- Toyota OEEmission System - Emission Components (3.4L)Toyota 4Runner 3.4L 1997, 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 are...Genuine Toyota OEM parts designed to fit perfectlyCrafted from high-grade materials to ensure superior quality$126.79 - $342.59
- Bosch®Premium Narrow-band Oxygen SensorToyota 4Runner 1997, 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$57.64 - $61.73
- NTK®Oxygen SensorToyota 4Runner 1997, 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 back...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$68.17 - $85.80
- Spectra Premium®Oxygen SensorToyota 4Runner 1997, Oxygen Sensor by Spectra Premium®. To ensure your vehicle has optimal performance and fuel economy while producing minimal emissions replace a defective O2 sensor with one backed by the aftermarket’s most rigorous...Increase vehicle fuel economy and engine performance while decreasing vehicle exhaust emissions100% performance tested to meet vehicle requirements$18.08 - $50.32
- Bosch®Narrow-band Oxygen SensorToyota 4Runner 2.7L / 3.4L 1997, 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...OE-EquivalentOE Style connectors and wire lengths$52.64
- Dorman®Help™ Oxygen Sensor GasketToyota 4Runner 1997, Help™ Oxygen Sensor Gasket by Dorman®. Easily and affordably restore the engine to safe, proper functioning with Dorman's Oxygen Sensor Gasket. It s sold separately, enabling you to replace only the failed...Resilient against fluctuations in under hood temperaturesHigh heat resistance$4.31
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If you are looking for a 1997 Toyota 4Runner oxygen sensor, don't go any further! At our store, we carry a wide array of oxygen sensors from such world-renowned manufacturers as Denso, Bosch, Spectra Premium, Dorman, and many others. All oxygen sensors you'll find on this page feature direct OE connectors and can be installed on your 1997 4Runner without any additional modifications. We also offer a variety of related products, namely wire extension harnesses, gaskets, and fittings. Choose products you need and let your Toyota operate at its peak!
So, why are oxygen sensors that important? Often referred to as O2 sensors or lambda sensors, oxygen sensors provide the engine management system with accurate inputs about how fuel mixture is burning. Using this data, vehicle's ECU can regulate air/fuel mixture. Primary 1997 Toyota 4Runner oxygen sensor measures the content of oxygen in exhaust gases, and secondary O2 sensors monitor the operation of a catalytic converter. If any of these O2 sensors fails, ECU can no longer get correct signal outputs for the proper air to fuel ratio, which can result in poor engine performance and decreased gas mileage.
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