1981 Buick Estate Oxygen Sensors & Components
- Denso®Oxygen SensorBuick Estate 5.0L 1981, Oxygen 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 by...High quality plastic and/or steel constructionDirect replacement for a proper fit every time$33.26
- Bosch®Premium Narrow-band Oxygen SensorBuick Estate 5.0L 1981, Premium Narrow-band Oxygen Sensor by Bosch®. Position: Upstream. A worn-out oxygen sensor can cause engine performance problems and shorten the life of the catalytic converter. Tune-up your vehicle with an...OE Identical ConnectorCompact Design$33.47
- Walker Products®Oxygen SensorBuick Estate 5.0L 1981, Oxygen Sensor by Walker Products®. Position: Upstream. 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...High quality at an affordable priceExpertly made from premium materials$19.71
- Walker Products®Premium Oxygen SensorBuick Estate 5.0L 1981, Premium Oxygen Sensor by Walker Products®. Position: Upstream. Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet or exceed all original equipment specifications and...Improved Engine Response & PerformanceLower Emissions$37.71
- Denso®Universal Fit Oxygen SensorBuick Estate 5.0L 1981, Universal Fit Oxygen Sensor by Denso®. Position: Upstream. 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...Corrosion-resistant stainless steel constructionPTFE filter blocks efficiency-robbing contaminants$38.93
- ReplacementOxygen SensorBuick Estate 5.0L 1981, Oxygen Sensor by Replacement. Location: Before Catalytic Converter. 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...Expertly crafted from premium materialsDesigned to match rigorous quality standards$6.01
- Spectra Premium®Oxygen SensorBuick Estate 5.0L 1981, Oxygen Sensor by Spectra Premium®. Position: Upstream. To ensure your vehicle has optimal performance and fuel economy while producing minimal emissions replace a defective O2 sensor with one backed by the...Increase vehicle fuel economy and engine performance while decreasing vehicle exhaust emissions100% performance tested to meet vehicle requirements$15.58
- NTK®Oxygen SensorBuick Estate 5.0L 1981, Oxygen Sensor by NTK®. Position: Upstream. Thimble type sensors feature a ceramic element that projects into the exhaust system and becomes electrically conductive at high temperature. The sensor element then...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$38.56
- ACDelco®Gold™ Oxygen SensorBuick Estate 5.0L 1981, Gold™ Oxygen Sensor by ACDelco®. Position: Upstream. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$53.48
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