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Updated: 06 Apr 2026

10 Best Oxygen Sensor Relays

#1 Best Pick
DOICOO Oxygen O2 Sensor Downstream Replaces 234-4797 Fit 2003 2004 2005 2006 2007 Honda Accord 2.4L l4

DOICOO Oxygen O2 Sensor Downstream Replaces 234-4797 Fit 2003 2004 2005 2006 2007 Honda Accord 2.4L l4

Brand: DOICOO
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  • Compatible OEM part number of this oxygen sensor is 234-4797 234000-7093 36532-RAA-A02 36532-RAA-A01 4647, ES20176, 250-24476, 213-2893 OS5106, SG932, OS1686, 213-2856, 75-3364, REA1577.
  • This oxygen sensor is designed for Acura TSX CL Honda Accord Prelude Selected 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008.
  • Please carefully check your vehicle year/make/model with our description. If you buy a wrong type return it in the original package. Your encouraging review and feedback really increases our service level and passion of work! THANK YOU!
  • ONE YEAR unlimited mileage warranty with excellent processing technology, guaranteed direct fit for easy installation.
  • ISO/TS 16949 certified manufacturer, OEM fit.
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#2 Best Value
Replacement Oxygen Sensors, Oxygen Sensor Parts, O2 Sensor Connector, Oxygen Sensor Spacer, Auto Sensor Spacer, Oxygen Sensor Kit, O2 Sensor for, Car Oxygen Sensor, Oxygen Sensor for Vehicles

Replacement Oxygen Sensors, Oxygen Sensor Parts, O2 Sensor Connector, Oxygen Sensor Spacer, Auto Sensor Spacer, Oxygen Sensor Kit, O2 Sensor for, Car Oxygen Sensor, Oxygen Sensor for Vehicles

Brand: Generic
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  • Durable Stainless Steel Construction: Made from high-quality stainless steel, this O2 sensor spacer is designed for durability and long-lasting performance, ensuring it withstands the demands of automotive environments.
  • Perfect for O2 Sensor Replacement: This oxygen sensor connector is an ideal replacement part for automotive oxygen sensors, ensuring your vehicle's engine runs smoothly and efficiently by maintaining optimal air- ratios.
  • Easy Installation: With a simple design, this auto oxygen sensor spacer is easy to install, allowing for quick and hassle- replacement of your car's oxygen sensor without professional help.
  • Compatible with Multiple Vehicles: Designed to fit a variety of automotive oxygen sensors, this spacer works across many makes and models, making it a versatile and convenient solution for car owners and mechanics.
  • Oxygen Sensor Accessory: This oxygen sensor accessory enhances the functionality of your vehicle's engine control system by improving sensor readings, which can help increase efficiency and reduce emissions.
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#3 Budget Pick
YELUFT 6pcs GY-MAX30102 Heart Rate Pulse Blood Oxygen Concentration Detection Sensor Module for Arduino

YELUFT 6pcs GY-MAX30102 Heart Rate Pulse Blood Oxygen Concentration Detection Sensor Module for Arduino

Brand: YELUFT
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  • Working Principle: Based on the PPG principle, it emits 660nm red light and 880nm infrared light to illuminate human tissue, detects the change in light signal intensity after reflection or transmission, calculates blood oxygen saturation by analyzing the change in light signal, and calculates heart rate by periodic changes in pulse wave
  • High Integration: Integrates LED emitter, photodiode, AFE analog front end and DSP digital processing circuit, built-in 1.8V and 3.3V LDO voltage regulator circuit, can be directly powered by 5V without additional power management
  • High Precision: 18-bit ADC converter, red light (660nm) and infrared light (880nm) dual wavelength design, programmable sampling rate (up to 3.2kHz), providing high-precision heart rate and blood oxygen data
  • Easy to Use: Standard I2C interface (400kHz), compatible with mainstream microcontrollers, built-in 32-depth FIFO cache, reducing the master control resource usage
  • Usage Scenarios: Wearable devices such as smart watches and fitness bracelets; pulse oximetry monitoring for home use; real-time monitoring of heart rate and blood oxygen during training; PPG pulse wave research, biosignal collection experiments, etc
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#4 Top Choice
Delphi ES10135 Oxygen Sensor

Delphi ES10135 Oxygen Sensor

Brand: Delphi
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  • OE connectors and wire lengths for easier, faster installation Product line features 3 times more plar sensor technology coverage then the nearest competitor
  • Patented plar sensor construction and design for long lasting, reliable operation over the life of the sensor
  • Unique sensor-coatings protect the sensor elements from contamits that can trigger "check-engine" lights and premature sensor failure
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#5 Popular Choice
Car Oxygen Sensor for Citroen Berlingo C2 C3 C4 C5 C8 DS3 DS4 DS5 Dispatch Relay Saxo Synergie Xantia ZX 1618HC Front Lambda Oxygen O2 Sensor

Car Oxygen Sensor for Citroen Berlingo C2 C3 C4 C5 C8 DS3 DS4 DS5 Dispatch Relay Saxo Synergie Xantia ZX 1618HC Front Lambda Oxygen O2 Sensor

Brand: Generic
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  • Car Air Fuel Ratio Oxygen Sensor, For Citroen Berlingo C2 C3 C4 C5 C8 DS3 DS4 DS5 Dispatch Relay Saxo Synergie Xantia ZX 1618HC, Front Lambda Oxygen O2 Sensor
  • đźš— Accurate Detection:Provides precise monitoring of oxygen levels in the exhaust system, helping maintain the optimal air-fuel ratio. Improves engine efficiency, supports stable combustion, and helps reduce harmful emissions for smoother driving performance.
  • đź”§ Durable Material:Made of high-quality metal and heat-resistant components to withstand extreme temperatures and harsh driving conditions. Built for long service life with reliable performance over time.
  • ⚙️ Stable Performance:Delivers fast response and consistent signals to the engine control system. Helps reduce fuel consumption, minimize engine hesitation, and maintain steady power output under various driving conditions.
  • 🛠️ Easy Installation:Designed for direct replacement with standard connectors for quick and simple installation. No complicated modification required, making it a practical solution for replacing worn or faulty sensors.
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#6 Top Pick
Oxygen Sensor Adapter | 1.85 Inches Oxygen Sensor Extender | Oxygens Sensors Extension Connector | Nti-Slip Multifunctional Automotive Converter Connector for Adults Professionals Beginners

Oxygen Sensor Adapter | 1.85 Inches Oxygen Sensor Extender | Oxygens Sensors Extension Connector | Nti-Slip Multifunctional Automotive Converter Connector for Adults Professionals Beginners

Brand: Frfik
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  • Leak-Proof Design: This stainless steel extension pipe fitting ensures leak prevention through its seamless build, paired with a refined multi-stage polish and secure internal framework for steady operations without interference
  • Good Heat Resistant: Featuring a robust design, the stainless steel extension pipe fitting ensures uninterrupted performance even in high-heat environments. While resisting damage from temperature shifts, it prevents early breakdowns and extends overall usability
  • Adaptable Vehicle Compatibility: Meets diverse modification needs with a flexible design adaptable to various vehicles, while ensuring balanced weight distribution and easy storage that saves space in compact scenarios
  • Time-Saving Maintenance Solution: The anti-slip texture and innovative threaded interface enable quick alignment, no tool removal, and installation, reducing maintenance duration and offering a seamless, user-friendly experience
  • Consistent Environmental Adaptability: Made from excellent stainless steel, this fitting resists rust even in tough environments while maintaining long-term structural integrity and consistent performance under demanding use
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#7 Top Pick
AMAAM O2 Oxygen Sensor Plug Standard M18 x 1.5

AMAAM O2 Oxygen Sensor Plug Standard M18 x 1.5

Brand: AMAAM
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  • Can be screwed into the O2 Sensor
  • M18 x 1.5 universal size
  • Mild Steel
  • Made in USA
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#8 Top Pick
Tanstic 5Pcs Automotive Oxygen Sensor Socket Kit, Oxygen Sensor Offset Wrench Removal Tool and Thread Chaser Set with Storage Box for Vehicle

Tanstic 5Pcs Automotive Oxygen Sensor Socket Kit, Oxygen Sensor Offset Wrench Removal Tool and Thread Chaser Set with Storage Box for Vehicle

Brand: Tanstic
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  • ✨[Package Information] You’ll get 5pcs oxygen sensor socket kit, including1pc 3/8" extra deep broach socket (3-1/8” long), 1pc 3/8” low-profile crowfoot socket wrench (1-1/4” long), 1pc 1/2” offset crowfoot socket wrench (1-15/16” long), 1pc M18 x 1.5mm and 1pc M12 x 1.25mm thread chasers with 3/8” drive, come with a plastic case for easy storage and carrying.
  • ✨[High-Quality Material] Made from high performance chrome molybdenum and solid cast steel construction with black oxide finish for durability, strength, rust resistance, corrosion resistance and long life.
  • ✨[Special Design] The 6-point beveled nose design makes it grip oxygen sensor fasteners securely. And the special side cutout design allows easy access to oxygen sensor from section, preventing wires from damage. 3 types of universal socket wrenches fit for various situations of oxygen sensor location.
  • ✨[Thread Chaser] Our thread chaser tool can be used to clean spark plug ports and threads, re-thread damaged spark plugs, eliminate corrosion, straight damaged threads and reduce the chance of cross threading.
  • ✨[Range of Application] Tanstic automotive oxygen sensor socket kit is suitable for removing, inspecting, replacing and installing oxygen sensors and vacuum switches. Perfect for most contemporary vehicles.
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#9 Top Pick
O2 Sensor Spacer - Auto Oxygen Sensor Stainless Steel Upstream O2 Sensor,Oxygen Sensor Connector for Mother's Day, Offices, Christmas

O2 Sensor Spacer - Auto Oxygen Sensor Stainless Steel Upstream O2 Sensor,Oxygen Sensor Connector for Mother's Day, Offices, Christmas

Brand: Generic
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  • Good-Quality Material: This o2 sensor spacer is engineered with excellent 304 stainless steel material, delivering long-lasting, dependable use that won't falter. With perfect resistant against erosion and rust, you can count it for consistent performance that lasts
  • Effortless Setup: Enjoy easy and quick installation by directly replacing original accessories with our O2 sensor spacer. High dimensional accuracy ensures a perfect fit and good match with oxygen sensors and other components. No additional adjustment required, thanks to precision machining that ensures connector length is precisely 45mm
  • Stable Connection Ensure: Designed with a sturdy threaded interface, our O2 sensor spacer ensures a tight, firm connection with pipes, maintaining a stable and excellent connection to prevent crevice leakage
  • Convenient Carry: By removing the original connector and replacing it with our O2 sensor spacer, enjoy a sturdy design that reduces the need for daily maintenance. Its easy and quick use provides a time-saving and cost-efficient solution with simple maintenance for any vehicle
  • Boosted Driving Performance: Our o2 sensor spacer with a high-quality extension connector ensures that the oxygen sensor functions correctly, which improves the vehicle's power performance and oil economy. This, in turn, optimizes oil efficiency and supports the engine in achieving optimal combustion for maximum oil savings
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#10 Top Pick
Oxygen Sensor for for Saturn for Aura for Ion for Outlook for Relay for Vue 234-4668 2344668 12609001 12611127 Car Oxygen Sensor

Oxygen Sensor for for Saturn for Aura for Ion for Outlook for Relay for Vue 234-4668 2344668 12609001 12611127 Car Oxygen Sensor

Brand: Generic
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  • Material: The oxygen sensor is made of special materials, ensuring durability and stable performance under various driving conditions. It helps to continuously monitor engine operation, ensuring efficient operation and maximizing engine performance.
  • Features: The oxygen sensor is manufactured according to strict scientific standards, ensuring long-term stable performance, contributing to smooth engine operation, reducing exhaust emissions, and enhancing environmental protection.
  • Installation: Plug and play design; parts are directly replaceable, easy installation. Performance is equivalent to or better than original equipment manufacturer (OEM) parts. Ensures seamless integration and immediate usability.
  • Excellent After-Sales Service: Every product undergoes durability and compatibility testing. For any questions or assistance, we offer standard after-sales service to ensure you have the best shopping experience.
  • Dear Buyer: Before replacing any part, please ensure the part number matches the information on the product page.
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