2003 Buick Regal Oxygen Sensors & Components
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TRQ®Oxygen SensorBuick Regal 2003, 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 improved...Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part$36.95 - $56.95Save: up to 5%$35.10 - $55.24 - ACDelco®Genuine GM Parts™ Oxygen SensorBuick Regal 2003, Genuine GM Parts™ Oxygen Sensor by ACDelco®. If your O2 sensor is not functioning properly, you are robbing yourself of performance and costing yourself money at the gas pump. Let ACDelco’s GM OE Oxygen Sensor help.ACDelco GM OE Oxygen Sensors earn the name ACDelco by being put through a variety of tests, often under extreme and unusual conditionsDetects oxygen content in the exhaust gases$70.70 - $85.45Save: 15%$60.09 - $72.62
- Denso®Oxygen SensorBuick Regal 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 the use...High quality plastic and/or steel constructionDirect replacement for a proper fit every time$31.72 - $35.38
- Walker Products®Oxygen SensorBuick Regal 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$28.11 - $32.68
- Walker Products®Premium Oxygen SensorBuick Regal 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 oxygen...Improved Engine Response & PerformanceLower Emissions$35.91 - $38.48
- NTK®Oxygen SensorBuick Regal 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 back to...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$39.63 - $43.38
- Bosch®Narrow-band Oxygen SensorBuick Regal 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$49.09
- Denso®Universal Fit Oxygen SensorBuick Regal 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 mixture under...Corrosion-resistant stainless steel constructionPTFE filter blocks efficiency-robbing contaminants$49.64
- Delphi®Oxygen SensorBuick Regal 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 most...Resists high temperatures, vibration damage and wire corrosion to protect signal accuracy, and long lifePatented sensors construction and design$48.95 - $53.55
- ACDelco®Genuine GM Parts™ Oxygen Sensor GasketBuick Regal 2003, Genuine GM Parts™ Oxygen Sensor Gasket by ACDelco®. If your O2 Sensor is not functioning properly, you are robbing yourself of performance and costing yourself money at the gas pump. Let ACDelco’s Oxygen Sensors...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$6.47Save: $0.97 (15%)$5.50
- WVE®Oxygen Sensor ConnectorBuick Regal 2003, Oxygen Sensor Connector 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...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$35.26
- Standard®Oxygen Sensor ConnectorBuick Regal 2003, Oxygen Sensor Connector 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$39.13 - $46.90
- ReplacementOxygen SensorBuick Regal 2003, Oxygen Sensor by Replacement. 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, this product by Replacement will last a...Expertly crafted from premium materialsDesigned to match rigorous quality standards$8.70 - $14.69
- ACDelco®Gold™ Oxygen SensorBuick Regal 2003, Gold™ Oxygen Sensor by ACDelco®. Position: Downstream. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$83.86Save: $12.57 (15%)$71.29
- ACDelco®Professional™ Oxygen SensorBuick Regal 2003, Professional™ Oxygen Sensor by ACDelco®. Position: Upstream. If your O2 Sensor is not functioning properly, you are robbing yourself of performance and costing yourself money at the gas pump. Let ACDelco’s...ACDelco Professional Oxygen Sensors earn the name ACDelco by being put through a variety of tests, often under extreme and unusual conditionsCustomers can receive better gas mileage with a properly working oxygen sensor$57.84Save: $8.68 (15%)$49.16
- Aceon®Oxygen SensorBuick Regal 2003, Oxygen Sensor by Aceon®. Position: Upstream. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....Made with precision and quality in mindDesigned to meet your specific needs$21.78
- CRS®Oxygen SensorBuick Regal 2003, Oxygen Sensor by CRS®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Compliant with the most strict standards for qualityDesigned to comply with the highest quality standards$24.23
- Herko®Oxygen SensorBuick Regal 2003, Oxygen Sensor by Herko®. Position: Downstream. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy, no-hassle installation and help restore proper fuel system...Will help optimize your vehicle’s performance and fuel efficiencyBuilt using high-grade materials for ultimate quality and durability$22.20 - $25.75
- ReplacementOxygen Sensor SetBuick Regal 2003, Oxygen Sensor Set by Replacement. Location: Before and After 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...Expertly crafted from premium materialsDesigned to match rigorous quality standards$17.43 - $17.44
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