2005 Subaru WRX Oxygen Sensors & Components

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    • Bosch® Premium Oxygen Sensor
      (0 reviews)
      # 96828465
      Subaru WRX 2005, Premium Oxygen Sensor by Bosch®. Location: Downstream. 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...
      Up to 15 % savings in fuel costsReduced CO2 emissions
      $66.33
    • Bosch® Wideband Oxygen Sensor
      (0 reviews)
      # 35994368
      Subaru WRX 2005, Wideband Oxygen Sensor by Bosch®. Location: Upstream. This sensor utilizes a sophisticated sensing element enabling it to produce a precise output in proportion to the air/fuel ratio. The A/F sensor measures...
      Detects the exact amount of unburned fuel in the exhaust streamOE connectors and OE-style harness for continuous wire from connector to sensor
      $117.80 - $171.31
    • Standard® Downstream Oxygen Sensor
      (1 reviews)
      # 99051811
      Subaru WRX 2.0L 2005, Downstream Oxygen Sensor by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $56.00 - $73.65
    • Denso® Downstream OE Connector Oxygen Sensor
      (0 reviews)
      # 21071902
      Subaru WRX / WRX STI 2005, Downstream OE Connector Oxygen Sensor by Denso®. Heated. Screw Type. 4 Wires, 21.26" / 54.00 cm Length. Denso's light duty oxygen sensor started to appear on vehicles with the development of fuel...
      Corrosion-resistant stainless steel constructionPTFE filter blocks efficiency-robbing contaminants
      $56.21
    • Denso® Upstream OE Connector Air Fuel Ratio Sensor
      (0 reviews)
      # 21104193
      Subaru WRX 2005, Upstream OE Connector Air Fuel Ratio Sensor by Denso®. 4 Wires. The air/fuel ratio sensor sends information to the engine management computer to makes adjustments based on driving conditions. This wider range and...
      Tarnish-proof platinum electrodes provides longer life and maintains accuracyQuick-response planar zircon element can quickly detect oxygen concentration
      $110.28 - $133.48
    • Walker Products Inc.® Air Fuel Ratio Sensor
      (0 reviews)
      # 8739923
      Subaru WRX STI 2005, Air Fuel Ratio Sensor by Walker Products Inc.®. Is your vehicle hard to start? Does its stumble and stall, and idle rough? Are you making more frequent visits to the pump? Your fuel system may need repair, but...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $169.26
    • Walker Products Inc.® OE Connector Oxygen Sensor
      (0 reviews)
      # 8739924
      Subaru WRX / WRX STI 2005, OE Connector Oxygen Sensor by Walker Products Inc.®. Position: Rear. Is your CHECK ENGINE light on? Has your vehicle failed a state emissions test? Your vehicle’s emissions control system is in need of...
      $92.25
    • NTK® Air-Fuel Ratio Sensor
      (0 reviews)
      # 93467747
      Subaru WRX / WRX STI 2005, Upstream Air-Fuel Ratio Sensor by NTK®. OE Replacement. Air/Fuel ratio sensors utilize a sophisticated sensing element that enables them to produce a precise output in proportion to the air/fuel ratio....
      Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement
      $142.90 - $200.79
    • Vibrant Performance® J-Style Oxygen Sensor Restrictor Fitting (11619)
      (0 reviews)
      # mpn458109083
      Universal J-Style Oxygen Sensor Restrictor Fitting by Vibrant Performance®. A standard O2 Sensor threads into the female end of this fitting. Insert one of the three included inserts to restrict exhaust gas flow to the O2 Sensor...
      $33.00
    • Vibrant Performance® Oxygen Sensor Fitting
      (0 reviews)
      # 78902547
      Universal Oxygen Sensor Fitting by Vibrant Performance®. Vibrant Performance E-Vac Scavenger Kits are designed to pull as much as 3 inch lbs. of vacuum from a typical race engine, improving horsepower and reducing crankcase...
      Made of High Quality MaterialsAvailable in different sizes
      $2.00 - $241.40
    • Vibrant Performance® Oxygen Sensor Restrictor Fitting (11621)
      (0 reviews)
      # mpn358596199
      Universal Oxygen Sensor Restrictor Fitting by Vibrant Performance®. A standard O2 Sensor threads into the female end of this fitting. Insert one of the three included inserts to restrict exhaust gas flow to the O2 Sensor and retain...
      $20.95
    • Innovate Motorsports® O2 Sensor Clamp (3728)
      (0 reviews)
      # mpn358501228
      Universal O2 Sensor Clamp by Innovate Motorsports®. Patent-pending, venturi-effect, tapped exhaust clamp for obtaining accurate lambda measurements in non-cat autos or other engines.
      $77.19
    • Eastern® Universal Fit O2 Sensor Boss
      (0 reviews)
      # 100278721
      Universal Fit O2 Sensor Boss by Eastern®. If you need a quality Oxygen Sensor because your factory part is damaged or rusted, Eastern Catalytic has the part you need. Constructed from OE spec materials, this product perfectly does...
      Made of solid materialsOffered in the widest range of configurations
      $2.35 - $4.96
    • Eastern® Universal Fit O2 Sensor Boss Plug (86100)
      (0 reviews)
      # mpn924187940
      Universal Fit O2 Sensor Boss Plug by Eastern®. Thread 1 Size: 18mm X 1.5mm. If you need a quality Oxygen Sensor because your factory part is damaged or rusted, Eastern Catalytic has the part you need. Constructed from OE spec...
      Made of solid materialsOffered in the widest range of configurations
      $2.08
    • Dynatech® Oxygen Sensor Plug (785-10094)
      (0 reviews)
      # mpn358945733
      Universal Oxygen Sensor Plug by Dynatech®. 1 Piece. Professionally developed with a dedicated racer and performance builder in mind, this top-of-the-line exhaust product from Dynatech is right what the doctor ordered if you crave...
      Delivers a huge boost in performance and an awesome soundRigorously dyno-tested to provide maximum horsepower and torque gains
      $4.99
    • Innovate Motorsports® Exhaust Bung and Plug Kit (3842)
      (0 reviews)
      # mpn458132589
      Universal Exhaust Bung and Plug Kit by Innovate Motorsports®. For the last couple of years you may have noticed that all Innovate Motorsports wideband kits contain a 1" weld-in bung instead of the standard 1/2" bung. The 1" bung...
      $34.30
    • Innovate Motorsports® Extended Bung and Plug Kit
      (0 reviews)
      # 81698879
      Universal Extended Bung and Plug Kit by Innovate Motorsports®. For the last couple of years you may have noticed that all Innovate Motorsports wideband kits contain a 1" weld-in bung instead of the standard 1/2" bung. The 1" bung...
      $10.80
    • Innovate Motorsports® Heat-Sink Bung Extender (3729)
      (0 reviews)
      # mpn358501229
      Universal Heat-Sink Bung Extender by Innovate Motorsports®. The Bosch LSU4.2 wide-band O2 sensor (shipped as part of the LM-1 kit) is rated to operate at an exhaust gas temperature of < 1300 degrees (F), and a sensor housing...
      $76.90
    • Innovate Motorsports® O2 Bung and Plug Kit (3735)
      (0 reviews)
      # mpn358501231
      Universal O2 Bung and Plug Kit by Innovate Motorsports®. Mild Steel Bung & Plug Kit.
      $10.80
    • Innovate Motorsports® Powersports 12mm to 18mm O2 Bung Adapter (3835)
      (0 reviews)
      # mpn458132584
      Universal Powersports 12mm to 18mm O2 Bung Adapter by Innovate Motorsports®. This Stainless Steel adapter allows you to use a full size 18mm thread O2 Sensor in a 12mm Original Equipment bung. Most Import Motorcycles, ATV's etc....
      $38.13
    • Innovate Motorsports® Stainless Steel Bung with Steel Plug (3736)
      (0 reviews)
      # mpn358501232
      Universal Stainless Steel Bung with Steel Plug by Innovate Motorsports®. 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...
      $10.80
    • Stainless Works® 304 SS O2 Bung
      (0 reviews)
      # 82922550
      Universal 304 SS O2 Bung by Stainless Works®. This superior product is made from high-grade stainless steel to ensure excellent quality and maximum resistance to corrosion. Engineered with careful attention to the smallest detail...
      Designed to meet strict quality standardsCarefully crafted from first-rate stainless steel
      $9.90
    • Powerbuilt® 1/2" Dr. 7/8" (22mm) Oxygen Sensor Socket (648442)
      (0 reviews)
      # mpn2339612
      Universal 1/2" Dr. 7/8" (22mm) Oxygen Sensor Socket by Powerbuilt®. For removing and installing oxygen sensor and vacuum switches. Specially designed 7/8" (22mm) socket features slot for wiring connector pigtail or vacuum nipples....
      $7.29
    • Powerbuilt® Master Sensor Socket Kit 7 Pc (948005)
      (0 reviews)
      # mpn2339698
      Universal Master Sensor Socket Kit 7 Pc by Powerbuilt®. Sven piece Master Sensor Socket Kit removes and installs oxygen sensors, oil pressure sending units and vacuum switches equipped with wires or vacuum tubes. The kit includes...
      Made with precision and quality in mindDesigned to meet your specific needs
      $41.71
    • Powerbuilt® Specialty Switch Socket Kit Kit #62 (648992)
      (0 reviews)
      # mpn2339686
      Universal Specialty Switch Socket Kit Kit #62 by Powerbuilt®. For removal and installation of hard to reach oxygen sensors, oil pressure switches, oil pressure sending units and thermal sensor switches.
      Made with precision and quality in mindDesigned to meet your specific needs
      $52.08
    • Delphi® Oxygen Sensor
      (0 reviews)
      # 93509896
      Subaru WRX 2005, Oxygen Sensor by Delphi®. Connector Type: Square-4 Blade. Wrench Size: 7/8". As one of the leading suppliers of oxygen sensor technology since 1978, Delphi planar technology is the result of their OE and...
      OE connectors and wire lengths within three inches of OE specificationsResists high temperatures, vibration damage and wire corrosion to protect signal accuracy, and long life
      $59.64 - $181.06
    • Spectra Premium® Downstream Oxygen Sensor
      (0 reviews)
      # 22807966
      Subaru WRX / WRX STI 2005, Downstream Oxygen Sensor by Spectra Premium®. This is an aftermarket part that replaces factory OE # 32005986, 32005987, 32005988, 22690AA45C, 22690AA490, 22690AA491, 22690AA501, 22690AA520, 22690AA53B,...
      Increase vehicle fuel economy and engine performance while decreasing vehicle exhaust emissions100% performance tested to meet vehicle requirements
      $51.83
    • NTK® Oxygen Sensor
      (0 reviews)
      # 22131744
      Subaru WRX / WRX STI 2.0L 2005, Downstream Oxygen Sensor by NTK®. OE Replacement. This product is designed to improve engine efficiency and fuel mileage, while reducing emissions and extending catalyst life. The oxygen sensor is...
      Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement
      $67.35
    • Eastern® Universal Fit 3-Wire O2 Sensor with 6 ohm heater (11014)
      (0 reviews)
      # mpn924184023
      Universal Fit 3-Wire O2 Sensor with 6 ohm heater by Eastern®. Wires Quantity: 3-Wire. Hex Nut Size: 22mm. Thread 1 Size: 18mm X 1.5mm SP. If you need a quality Oxygen Sensor because your factory part is damaged or rusted, Eastern...
      Made of solid materialsOffered in the widest range of configurations
      $48.60
    • Eastern® Universal Fit 4-Wire O2 Sensor with 6 ohm heater (11022)
      (0 reviews)
      # mpn924184022
      Universal Fit 4-Wire O2 Sensor with 6 ohm heater by Eastern®. Wires Quantity: 4-Wire. If you need a quality Oxygen Sensor because your factory part is damaged or rusted, Eastern Catalytic has the part you need. Constructed from OE...
      Made of solid materialsOffered in the widest range of configurations
      $55.34
    • Eastern® Universal Fit Flange Type O2 Sensor
      (0 reviews)
      # 100278708
      Universal Fit Flange Type O2 Sensor by Eastern®. Hex Nut Size: 22mm. If you need a quality Oxygen Sensor because your factory part is damaged or rusted, Eastern Catalytic has the part you need. Constructed from OE spec materials,...
      Made of solid materialsOffered in the widest range of configurations
      $34.44 - $36.53
    • Eastern® Universal Fit O2 Sensor
      (0 reviews)
      # 100278718
      Universal Fit O2 Sensor by Eastern®. Hex Nut Size: 22mm. Thread 1 Size: 18mm X 1.5mm SP. If you need a quality Oxygen Sensor because your factory part is damaged or rusted, Eastern Catalytic has the part you need. Constructed from...
      Made of solid materialsOffered in the widest range of configurations
      $29.52 - $29.95
    • Eastern® Universal Fit O2 Sensor with Connector
      (0 reviews)
      # 100278728
      Universal Fit O2 Sensor with Connector by Eastern®. If you need a quality cowbell connector because your factory part is damaged or rusted, Eastern Catalytic has the part you need. Constructed from OE spec materials, this product...
      Made of solid materialsOffered in the widest range of configurations
      $30.25 - $48.60
    • Eastern® Universal Fit Self-Tapping O2 Sensor (11100)
      (0 reviews)
      # mpn924184030
      Universal Fit Self-Tapping O2 Sensor by Eastern®. Wires Quantity: 1-Wire. Hex Nut Size: 22mm. If you need a quality Oxygen Sensor because your factory part is damaged or rusted, Eastern Catalytic has the part you need. Constructed...
      Made of solid materialsOffered in the widest range of configurations
      $37.57
    • Torque Solution® O2 Sensor Extender
      (0 reviews)
      # 98119345
      Universal O2 Sensor Extender by Torque Solution®. On ODB-II vehicles (96+), the ECU has two O2 sensors for diagnostic purposes. The first O2 sensor is located before the Catalytic Converter and is responsible for all the Air/Fuel...
      $29.21
    • Eastern® Universal Fit O2 Sensor Boss Flange (86104)
      (0 reviews)
      # mpn924188023
      Universal Fit O2 Sensor Boss Flange by Eastern®. If you need a quality Oxygen Sensor because your factory part is damaged or rusted, Eastern Catalytic has the part you need. Constructed from OE spec materials, this product...
      Made of solid materialsOffered in the widest range of configurations
      $5.20
    • Dynatech® Weld-In Bung (785-10097)
      (0 reviews)
      # mpn358945735
      Universal Weld-In Bung by Dynatech®. 1 Piece. Professionally developed with a dedicated racer and performance builder in mind, this top-of-the-line exhaust product from Dynatech is right what the doctor ordered if you crave for...
      Delivers a huge boost in performance and an awesome soundRigorously dyno-tested to provide maximum horsepower and torque gains
      $6.99
    • Powerbuilt® Oxygen Sensor Socket Kit Kit #51 (648625)
      (0 reviews)
      # mpn2339676
      Universal Oxygen Sensor Socket Kit Kit #51 by Powerbuilt®. For removing and installing oxygen sensor sockets. Special cut-out design on sockets prevents damage to wire leads.
      $26.25


    2005 Subaru WRX Oxygen Sensors Reviews

    Average rating:  4.5  4.5 - 3 reviews
    4.8 of 5
    Good Purchase
    Recently I have mounted new cat. My purchase has a faultless casing and everything measures up perfectly. That's nice deal for my Dodge, because the sound great. I like the tonality of these high flow catalytic if your looking for high flow cats these are the way to go.
    CPosted by Craig Walters (Louisbourg, NS) /
    Was this review helpful for you? Yes
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    2005 Subaru WRX Models
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