Universal Oxygen Sensors & Components

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There are no vehicle specific replacement emission control parts available for your 1977 Chevy Blazer. Please view our selection of universal fit products below.
    • (0 reviews)
      # mpn2528673
      QwikData 2 Wideband Oxygen Sensor for Interface Kits by Edelbrock®. Sensor is complete with special Deutsch connector for direct replacement. Edelbrock's complete line of EFI systems gives you several options to choose from when...
      The finest quality at a great priceWe carry everything needed to complete the job
      $196.95
    • (3 reviews)
      # mpn3787500258
      Oxygen Sensor by Bully Dog®. Bosch LSU 4.9 Wideband Oxygen sensor for Sensor Docking Station 40385. This oxygen sensor can also be used in 2-stroke applications.
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $181.26
    • (0 reviews)
      # mpn1916261
      Oxygen Sensor with Weld On Fittings by K&N®. Take the guess work out of tuning with this monitor. It uses an oxygen sensor to sample the exhaust gas so you'll know when the mixture is rich, lean or just right.
      High quality at an affordable priceExpertly made from premium materials
      $88.99
    • (0 reviews)
      # 820958058
      Oxygen Sensor by Holley®. Designed utilizing the latest technology, this product by Holley features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or exceed...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $85.44 - $456.95
    • (0 reviews)
      # 820896545
      Wideband Oxygen Sensor by Holley®. 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 deliver great quality...
      High quality at an affordable priceExpertly made from premium materials
      $99.95 - $244.95
    • (0 reviews)
      # mpn1589831712
      Universal Air/Fuel Ratio Module for SuperFlow Dynos by Fast®. SuperFlow dynos with a convenient 4 pin AMP style connector. For years, if you wanted to use your dyno's powerful data acquisition system to display and record air/fuel...
      High quality at an affordable priceExpertly made from premium materials
      $230.75
    • (0 reviews)
      # mpn358502453
      LSU4 Bosch Wideband Oxygen Sensor by Fast®. For wide-band, closed-loop applications. The sensor can read air/fuel ratios from 9:1 to 16:1. This product is made of high-quality materials to serve you for years to come. Designed using...
      High quality at an affordable priceExpertly made from premium materials
      $104.38
    • (0 reviews)
      # mpn358502480
      Wideband LHA-Type Oxygen Sensor by Fast®. For wide-band, closed-loop applications. The sensor can read air/fuel ratios from 9:1 to 16:1. This product is made of high-quality materials to serve you for years to come. Designed using...
      High quality at an affordable priceExpertly made from premium materials
      $251.73
    • (0 reviews)
      # 820923544
      Atomic EFI Oxygen Sensor by MSD®. Designed utilizing the latest technology, this product by MSD features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $85.68
    • (0 reviews)
      # 689321165
      Universal AEM No-Weld O2 Sensor Mount by TSP®. 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 deliver...
      Designed for ultra high efficiencyProvides better performance
      $39.25
    • (0 reviews)
      # mpn4528137002
      Wideband UEGO Sensor with Stainless Tall Manifold Bung Install Kit by AEM®. Bosch 4.2LSU Wideband UEGO sensor and stainless steel bung specially designed for use in individual port applications. Sensor is accurate to 0.1 AFR, laboratory...
      $103.65
    • (0 reviews)
      # mpn1589831697
      Universal O2 Sensor Module Kit by Fast®. 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 deliver great...
      High quality at an affordable priceExpertly made from premium materials
      $230.75
    • (0 reviews)
      # mpn1589831695
      Universal O2 Sensor Processor Kit by Fast®. FAST™ engineers have developed a kit that makes it easy for anyone to measure an engine's air/fuel ratio. This plug and play Universal Air/Fuel Ratio Module Kit allows your data acquisition...
      High quality at an affordable priceExpertly made from premium materials
      $209.76
    • (0 reviews)
      # mpn1589831696
      Universal XFI™ O2 Sensor Processor Kit by Fast®. FAST™ engineers have developed a kit that makes it easy for anyone to measure an engine's air/fuel ratio. This plug and play Universal Air/Fuel Ratio Module Kit allows your data...
      High quality at an affordable priceExpertly made from premium materials
      $220.26
    • (0 reviews)
      # mpn457999797
      Oxygen Sensor Adapter by GReddy®. The GReddy e-manage Ultimate is as close to a stand-alone management system as you can get while maintaining the best features of a "piggy-back" engine management; an economical price, the usage of...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and racing lifestyle
      $28.50
    • (0 reviews)
      # 820972063
      Oxygen Sensor Boss Plug 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 the job...
      Made of solid materialsOffered in the widest range of configurations
      $1.29 - $3.22
    • (0 reviews)
      # mpn4479817372
      Oxygen Sensor Plug by Pypes®. Upgrade your exhaust system with the superior Pypes Exhaust accessory that will help unleash your engine's beast in no time flat. Demonstrating both premium quality and craftsmanship, this well-engineered...
      Superior upgrade for your exhaust systemDesigned to provide outstanding performance
      $5.97
    • (0 reviews)
      # 820946059
      Mechanical O2 Fix by Megan Racing®. 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 deliver great quality...
      High quality at an affordable priceExpertly made from premium materials
      $18.36 - $25.55
    • (0 reviews)
      # mpn4478151679
      Oxygen Sensor Fitting by Patriot Exhaust®. This superior Patriot Exhaust product is just for you. Carefully designed for maximum performance, is will more than just meet your needs and expectations. This product is built from top-grade...
      Elaborately designed for high performance applicationsPerfect blend of style, quality, and dependability
      $25.33
    • (0 reviews)
      # 990437135
      O2 18 mm Sensor Plug and Bung by AllStar Performance®. Hard-to-find 02 sensor fittings work in a variety of applications. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a...
      Precise manufacturing and high-grade materialsExceptional performance at a competitive price
      $8.29 - $8.99
    • (0 reviews)
      # mpn1631311
      Oxygen Sensor Bung by Weapon-R®. Let your engine breathe on the exhaust side. Carefully designed for maximum performance, is will more than just meet your needs and expectations. This product is built from top-grade materials to ensure...
      Improves engine performanceDesigned to work with stock exhaust system
      $17.00
    • (0 reviews)
      # mpn492597385
      Double Cut Oxygen Sensor Fitting by Kooks®. 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 Kooks will last a...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $13.74
    • (0 reviews)
      # 820984058
      Oxygen Sensor Bung by Kooks®. 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 Kooks will last a lifetime. It will meet...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $8.24 - $10.33
    • (0 reviews)
      # mpn492597394
      Oxygen Sensor Bung by Kooks®. 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 Kooks will last a lifetime. It will meet...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $8.24
    • (0 reviews)
      # 820878544
      Oxygen Sensor Bung Plug by Kooks®. 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 Kooks will last a lifetime. It will...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $13.74
    • (0 reviews)
      # mpn492597390
      Oxygen Sensor Bungs with Fittings by Kooks®. 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 Kooks will last a...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $21.97
    • (0 reviews)
      # 820930058
      Oxygen Sensor Extension by Kooks®. 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 Kooks will last a lifetime. It will...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $13.74 - $16.47
    • (0 reviews)
      # mpn1916260
      Oxygen Sensor Bushing by K&N®. K&N Engineering has been engineering and manufacturing premium, high-performance automotive and powersports products for over 40 years. K&N is the inventor and leading innovator of reusable cotton gauze...
      High quality at an affordable priceExpertly made from premium materials
      $16.61
    • (0 reviews)
      # mpn1916263
      Oxygen Sensor Bushing and Plug by K&N®. K&N Engineering has been engineering and manufacturing premium, high-performance automotive and powersports products for over 40 years. K&N is the inventor and leading innovator of reusable cotton...
      High quality at an affordable priceExpertly made from premium materials
      $32.99
    • (0 reviews)
      # mpn1916259
      Oxygen Sensor Plug by K&N®. K&N Engineering has been engineering and manufacturing premium, high-performance automotive and powersports products for over 40 years. K&N is the inventor and leading innovator of reusable cotton gauze...
      High quality at an affordable priceExpertly made from premium materials
      $22.09
    • (0 reviews)
      # 820981060
      Oxygen Sensor Bung by Hooker®. For custom or do-it-yourself fabricators building headers for computer controlled cars or trucks using an oxygen sensor. These universal fitting works with most OEM and aftermarket sensors using a metric...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $30.55
    • (0 reviews)
      # 820936059
      Oxygen Sensor Bung 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 in place with included clip.
      High quality plastic and/or steel constructionDirect replacement for a proper fit every time
      $2.25 - $249.95
    • (0 reviews)
      # 820877546
      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 in place with...
      High quality plastic and/or steel constructionDirect replacement for a proper fit every time
      $21.95 - $34.95
    • (0 reviews)
      # 820891544
      Zinc Plated Hex Bolt for Plugging Oxygen Sensor 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...
      High quality plastic and/or steel constructionDirect replacement for a proper fit every time
      $3.59 - $179.95
    • (0 reviews)
      # mpn358496005
      Throttle Body Injection Weld Ring by Holley®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for your ultimate satisfaction.
      Made with precision and quality in mindBuilt to last
      $6.85
    • (0 reviews)
      # mpn358945735
      Oxygen Sensor Bung by Dynatech®. 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 supreme performance...
      Delivers a huge boost in performance and an awesome soundRigorously dyno-tested to provide maximum horsepower and torque gains
      $6.99
    • (0 reviews)
      # mpn358945733
      Oxygen Sensor Plug by Dynatech®. Hex Head Style. 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
      $5.99
    • (0 reviews)
      # 820972059
      Extended Oxygen Sensor 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...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $10.00 - $35.00
    • (0 reviews)
      # mpn358501229
      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 temperature of < 900...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $89.00
    • (0 reviews)
      # mpn358501231
      Oxygen Sensor Bung and Plug Kit by Innovate Motorsports®. Mild Steel Bung & Plug Kit.
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $8.00
    • (0 reviews)
      # mpn358501232
      Oxygen Sensor 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 product by Innovate...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $10.00
    • (0 reviews)
      # mpn358501228
      Oxygen Sensor Clamp by Innovate Motorsports®. Patent-pending, venturi-effect, tapped exhaust clamp for obtaining accurate lambda measurements in non-cat autos or other engines.This elaborately-designed exhaust system produces a deep...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $66.40
    • (0 reviews)
      # mpn458132584
      Powersport Oxygen Sensor 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. come with a 12mm O2...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $41.00
    • (1 review)
      # 820980058
      Oxygen Sensor Extender by Torque Solution®. 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 deliver great...
      Improved Gas mileage
      $10.38 - $19.98
    • (0 reviews)
      # mpn4528136998
      Oxygen Sensor Bung by AEM®. If you have to remove an O2 sensor and need to run the engine, this sensor bung plug can be installed to prevent exhaust leaks.
      O2 sensor to be installed in the exhaust without weldingGasket is heat resistant to 2500°F
      $3.06
    • (0 reviews)
      # 820928544
      Oxygen Sensor Mount by AEM®. This component enables an oxygen sensor to be mounted in the exhaust without having to weld a sensor bung onto the pipe. A hole is drilled in the exhaust and then the graphite gasket with stainless steel...
      Enables an O2 sensor to be installed in the exhaust without weldingRequires only a drill and hand tools for installation
      $39.25
    • (0 reviews)
      # 1031344803
      Wideband UEGO Air Fuel Ratio Sensor Bung by AEM®. AEM's stainless-steel tall wideband UEGO sensor bungs are designed specifically for use on forced induction applications using the 4-Channel Wideband UEGO Controller, but can be used for...
      Specifically designed to allow the sensor to provide accurate AFR readingsMinimal exhaust flow restriction
      $11.17 - $44.78
    • (0 reviews)
      # mpn1300425202
      Oxygen Sensor Bung by DynoMax®. Designed utilizing the latest technology, this product by DynoMax® features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or...
      Designed to do the exhaust job quickly and easilyOE-style fit, design, and finish
      $9.71
    • (0 reviews)
      # 820880544
      300 Series Oxygen Sensor Fitting and Plug Kit by Fast®. 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
      $11.30 - $23.76
    • (0 reviews)
      # 820948058
      Oxygen Sensor Bung Plug 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 using...
      Designed to meet strict quality standardsCarefully crafted from first-rate stainless steel
      $10.45
    • (0 reviews)
      # mpn2819663406
      Oxygen Sensor Bung Kit by FiTech®. 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 deliver great quality...
      High quality at an affordable priceExpertly made from premium materials
      $15.95
    • (0 reviews)
      # mpn630006675
      Oxygen Sensor Fitting by Flowtech®. Fitting Only. Flowtech understands that when you purchase a set of headers, a muffler, or even an entire exhaust system, you want to know that you're getting everything you need to complete the...
      Weld-In Sensor OnlyBuilt to Last
      $20.58
    • (0 reviews)
      # 820917545
      Oxygen Sensor Bung by Hedman Hedders®. Replace worn O2 sensor wires, or lengthen the extisting wiring for relocation of the oxygen sensor.
      Made of High Quality MaterialsBuilt to last
      $6.94 - $10.56
    • (0 reviews)
      # 689358180
      Universal AEM Wideband UEGO O2 Sensor by TSP®. AEM's Bosch 4.2LSU Wideband UEGO O2 replacement sensor kit includes only the sensor (with attached cable and male connector) and is intended to replace an existing mounted wideband sensor...
      Accurate to 0.1 AFRNever requires free-air calibration when used with an AEM Controller and connector plug
      $84.96
    • (0 reviews)
      # 734267999
      Universal 18 mm x 1.5 O2 Sensor Bung by Phenix®. 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 deliver...
      Manufactured in quality certified facilitiesTested to offer the ultimate in safety
      $9.30 - $15.50
    • (0 reviews)
      # 820928545
      Oxygen Sensor Wiring Harness by Painless Performance®. Is your CHECK ENGINE light on? Has your vehicle failed a state emissions test? Your vehicle's emissions control system is in need of repair, but before you waste your time and gas...
      High quality at an affordable priceExpertly made from premium materials
      $161.25 - $396.66
    • (0 reviews)
      # mpn4476336421
      Exhaust Oxygen Sensor Connector Pigtail by JT&T®. 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 deliver...
      Exhaust Oxygen Sensor Repair Pigtail(1) 18 AWG GXL Lead and Weather-Pack Seal
      $6.04
    • (0 reviews)
      # 820972060
      Oxygen Sensor Extension Harness by Kooks®. 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 Kooks will last a lifetime....
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $54.88 - $115.65
    • (0 reviews)
      # mpn620678596
      Wideband Oxygen Sensor Extension Cable by Holley®. 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 deliver...
      High quality at an affordable priceExpertly made from premium materials
      $68.12
    • (0 reviews)
      # mpn1589831653
      Oxygen Sensor Harness by Fast®. 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 deliver great quality at...
      High quality at an affordable priceExpertly made from premium materials
      $129.54






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