1991 Infiniti G20 Emission Control

Change Vehicle
Show items:
Sort by:
  • Oxygen Sensors
  • PCV & Breathers
  • Vapor Canisters
  • EGR Valves
  • Catalytic Converters
    • (0 reviews)
      # mpn913462
      Infiniti G20 1991, Premium 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 Oxygen Sensor from...
      Up to 15 % savings in fuel costsReduced CO2 emissions
      $45.19
    • (0 reviews)
      # mpn937529
      Infiniti G20 1991, Universal Fit Oxygen Sensor by Bosch®. Position: Upstream. Properly functioning oxygen sensors are important when it comes to your vehicle's fuel efficiency and reducing harmful exhaust emissions. That's why checking...
      Up to 15 % savings in fuel costsReduced CO2 emissions
      $36.50
    • (1 review)
      # mpn2237320
      Infiniti G20 1991, Oxygen Sensor by NTK®. Position: Upstream. Location: B1S1. Thimble type sensors feature a ceramic element that projects into the exhaust system and becomes electrically conductive at high temperature. The sensor...
      Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement
      $39.25
    • (0 reviews)
      # mpn2472557
      Infiniti G20 1991, Oxygen Sensor by Delphi®. Position: Upstream. 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...
      OE connectors and wire lengths within 3" of OE specificationsResists high temperatures, vibration damage and wire corrosion to protect signal accuracy, and long life
      $40.95
    • (0 reviews)
      # mpn3368425781
      Infiniti G20 1991, 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
      $31.37
    • (0 reviews)
      # mpn53649952
      Infiniti G20 1991, Intermotor™ PCV Valve 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 reputation for...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $3.32
    • (0 reviews)
      # mpn4478645608
      Infiniti G20 1991, Professional™ PCV Valve by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $4.08
    • (0 reviews)
      # mpn1883213
      Infiniti G20 1991, PCV Valve by FRAM®. The Positive Crankcase Ventilation (PCV) system prevents the release of harmful emissions, helps keep engine oil clean and prevents excessive crankcase pressure, which can cause oil leaks. Maintain...
      Essential component of the PCV systemRegulates flow of crankcase vapors into the engine
      $4.78
    • (0 reviews)
      # mpn1948009
      Infiniti G20 1991, PCV Valve by Novo®. 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 running out to...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $10.08
    • (0 reviews)
      # mpn97893723
      Infiniti G20 1991, Intermotor™ EGR Valve 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 reputation for...
      OE quality parts from top original equipment and aftermarket manufacturersHeavy-duty stepper motor and stainless-steel valve components ensure durability
      $113.96
    • (0 reviews)
      # mpn2888398752
      Infiniti G20 1991, CalCat™ Catalytic Converter by Walker®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. With 1 Inlet. Without Air Tube. Without O2 Sensor Port. Catalytic...
      $101.63
    • (0 reviews)
      # mpn1744160
      Infiniti G20 1991, Ultra™ Catalytic Converter by Walker®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. With 1 Inlet. Without Air Tube. Without O2 Sensor Port. Catalytic...
      $53.50
    • (0 reviews)
      # 252976638
      Infiniti G20 1991, Catalytic Converter by AP Exhaust®. Converter Configuration: Direct Fit. Without O2 Sensor Port. The growing concern for the environment means there is a growing need for quality emission control products. AP...
      $119.22 - $122.23
    • (0 reviews)
      # mpn474117271
      Infiniti G20 1991, Standard Duty Catalytic Converter by AP Exhaust®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet...
      $48.83
    • (0 reviews)
      # mpn1038938
      Infiniti G20 1991, Catalytic Converter by Bosal®. Emissions: EPA compliant. Converter Configuration: Direct Fit. With O2 Sensor Port. If you’re in need of a replacement catalytic converter, you can’t do better than Bosal. They’re...
      $107.16
    • (0 reviews)
      # 86070683
      Infiniti G20 1991, Catalytic Converter by DEC®. Converter Configuration: Direct Fit. Pick out a catalytic converter by DEC and get your emissions back into check without worrying to fail again. These catalytic converters are made from a...
      $157.08 - $249.90
    • (0 reviews)
      # mpn1165825
      Infiniti G20 with PRE-OBDII Models 1991, Pre-OBDII Catalytic Converter by MagnaFlow®. Emissions: CARB compliant. Converter Configuration: Direct Fit. With Assembly. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter:...
      $348.99
    • (0 reviews)
      # mpn1073831
      Infiniti G20 with PRE-OBDII Models 1991, Pre-OBDII Catalytic Converter by MagnaFlow®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port....
      $184.75
    • (0 reviews)
      # mpn1165818
      Infiniti G20 1991, Standard Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Catalytic Converter Overall Length: 15.75". If your car needs replacement, install one that will get you...
      $211.71
    • (0 reviews)
      # mpn1038314
      Infiniti G20 1991, Standard Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter:...
      $72.07
    • (0 reviews)
      # mpn53649770
      Infiniti G20 1991, Intermotor™ Exhaust Temperature 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 manufacturersThe finest quality at a great price
      $89.56
    • (0 reviews)
      # mpn192149
      Infiniti G20 With California Emissions 1991, EGR Valve Temperature Sensor by Genuine®. Genuine is here to give you the ultimate in quality and reliability at a cost you can afford. Designed utilizing the latest technologies and...
      Carefully crafted to provide optimum performanceMade from premium materials to last
      $147.84
    • (0 reviews)
      # mpn26596144
      Infiniti G20 1991, EGR Valve Vacuum Modulator by Genuine®. Genuine is here to give you the ultimate in quality and reliability at a cost you can afford. Designed utilizing the latest technologies and manufactured from premium materials...
      Carefully crafted to provide optimum performanceMade from premium materials to last
      $71.41
    • (0 reviews)
      # mpn160696
      Infiniti G20 1991, Oxygen Sensor Nut by Genuine®. Genuine is here to give you the ultimate in quality and reliability at a cost you can afford. Designed utilizing the latest technologies and manufactured from premium materials using...
      Carefully crafted to provide optimum performanceMade from premium materials to last
      $11.74
    • (0 reviews)
      # 736409241
      Infiniti G20 1991, PCV Valve Hose by Genuine®. Genuine is here to give you the ultimate in quality and reliability at a cost you can afford. Designed utilizing the latest technologies and manufactured from premium materials using...
      Carefully crafted to provide optimum performanceMade from premium materials to last
      $19.89 - $21.60
    • (0 reviews)
      # mpn520816
      Infiniti G20 1991, Catalytic Converter Gasket by Victor Reinz®. Location: Exhaust Pipe to 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...
      High quality at an affordable priceExpertly made from premium materials
      $2.49
    • (0 reviews)
      # mpn53618813
      Infiniti G20 1991, Intermotor™ EGR Valve Gasket 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 manufacturersThe finest quality at a great price
      $1.33
    • (0 reviews)
      # mpn1413474
      Infiniti G20 1991, Tru-Tech™ EGR Valve Gasket by Standard®. 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...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $1.29
    • (0 reviews)
      # mpn914891659
      Infiniti G20 1991, Professional™ EGR Valve Gasket by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle,...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $2.47
    • (0 reviews)
      # mpn542962
      Infiniti G20 1991, EGR Valve Gasket by Victor Reinz®. 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
      $1.19
    • (1 review)
      # 458899377
      Infiniti G20 1991, EGR Valve Gasket by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global engineering resources, the gaskets meet...
      Direct OEM replacement for a proper fitEnsures reliable sealing performance
      $0.95 - $1.33
    • (0 reviews)
      # mpn1247737
      Infiniti G20 1991, EGR Valve Gasket by Ishino®. 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 running...
      High quality at an affordable priceExpertly made from premium materials
      $1.92
    • (0 reviews)
      # mpn4478151476
      Infiniti G20 1991, 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
      $78.83
    • (1 review)
      # mpn1161516378
      Universal Baffled Oil Catch Can by Mishimoto®. The 6’ of black rubber hose allows you to easily splice the black nylon ball valve into the hose wherever works best for you! The included 3/8” to 3/8” hose barb black nylon ball...
      40-micron bronze filter blocks oil from depositing in ventilation systemSpecial engineered inlet pattern "turbulates" air longer, allowing oil to condense
      $47.25
    • (1 review)
      # 793735626
      Universal Bracket Set by Mishimoto®. Replacement brackets for the Mishimoto Baffled Oil Catch Can are offered in black, blue, red, green and purple to compliment any engine bay. These bracket sets are constructed from high quality...
      40-micron bronze filter blocks oil from depositing in ventilation systemSpecial engineered inlet pattern "turbulates" air longer, allowing oil to condense
      $37.50
    • (1 review)
      # 793745622
      Universal Compact Baffled Oil Catch Can by Mishimoto®. The Mishimoto Baffled Oil Catch Can is the most advanced oil catch can on the market. Every turbo system deserves to be complemented by a proper oil catch can setup, also known as...
      40-micron bronze filter blocks oil from depositing in ventilation systemSpecial engineered inlet pattern "turbulates" air longer, allowing oil to condense
      $116.25 - $127.50
    • (1 review)
      # 793837622
      Universal Oil Catch Can by Mishimoto®. The Mishimoto Baffled Oil Catch Can is the most advanced oil catch can on the market. Every turbo system deserves to be complemented by a proper oil catch can setup, also known as an air oil...
      40-micron bronze filter blocks oil from depositing in ventilation systemSpecial engineered inlet pattern "turbulates" air longer, allowing oil to condense
      +3
      $116.25 - $243.75
    • (1 review)
      # 793775624
      Universal Oil Catch Can by Mishimoto®. The Mishimoto Baffled Oil Catch Can is the most advanced oil catch can on the market. Every turbo system deserves to be complemented by a proper oil catch can setup, also known as an air oil...
      40-micron bronze filter blocks oil from depositing in ventilation systemSpecial engineered inlet pattern "turbulates" air longer, allowing oil to condense
      $96.75 - $116.25
    • (1 review)
      # mpn522305613
      Universal Rockstar Compact Oil Catch Can by Mishimoto®. The Mishimoto Baffled Oil Catch Can is the most advanced oil catch can on the market. Every turbo system deserves to be complemented by a proper oil catch can setup, also known as...
      40-micron bronze filter blocks oil from depositing in ventilation systemSpecial engineered inlet pattern "turbulates" air longer, allowing oil to condense
      $131.25
    • (0 reviews)
      # 793743622
      Universal Oil Catch Can Kit by PERRIN Performance®. The PERRIN Performance Air Oil Separator traps oil from the crank case vents before it enters the intake, thus increasing intercooler efficiency and reduces chances of...
      Increases intercooler efficiencyReduces carbon build up
      $310.50
    • (0 reviews)
      # mpn2528673
      Universal 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...
      The finest quality at a great priceWe carry everything needed to complete the job
      $196.90
    • (0 reviews)
      # 793850625
      Universal Bracket Set by Mishimoto®. Replacement brackets for the Mishimoto Baffled Oil Catch Can are offered in black, blue, red, green and purple to compliment any engine bay. These bracket sets are constructed from high quality...
      40-micron bronze filter blocks oil from depositing in ventilation systemSpecial engineered inlet pattern "turbulates" air longer, allowing oil to condense
      $37.50
    • (0 reviews)
      # 793789624
      Universal Oil Catch Can by Mishimoto®. The Mishimoto Compact Baffled Catch Can is the most advanced oil catch can on the market. The Mishimoto Aluminum Oil Catch Can will prevent a harmful buildup of oil inside of the turbocharger,...
      Separates oil particles from PCV/CCV airDefends intercooler, intake system, and essential components from oil blow-by
      $93.75
    • (0 reviews)
      # mpn358583064
      Universal Large Body Oil Catch Can Kit by Moroso®. 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...
      Plumbed into a vehicle's PCV system to capture the excess crankcase vapors, residual oil mist and moisture from reentering the intake tractVehicles from the factory vent these excess crankcase vapors, residual oil mist and moisture right back into the intake manifold which could cause detonation, oil deposits to form in the intake tract including the valves themselves and from lowering the efficiency of the intercooler in intercooler equipped vehicles
      $162.15
    • (0 reviews)
      # 793841625
      Universal Oil Catch Can by Moroso®. 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
      $102.90 - $201.26
    • (0 reviews)
      # mpn358583092
      Universal Oil Catch Can PCV Delete Kit by Moroso®. 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...
      Kit allows Air/Separators to work at greater efficiency at all rpm levelsEnables full filtration of Blow By gases entering turbo inlet
      $118.28
    • (0 reviews)
      # 793783624
      Universal Small Body Oil Catch Can by Moroso®. 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
      $101.01 - $225.31
    • (0 reviews)
      # 793785622
      Universal Small Body Oil Catch Can Kit by Moroso®. 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...
      Plumbed into a vehicle's PCV system to capture the excess crankcase vapors, residual oil mist and moisture from reentering the intake tractVehicles from the factory vent these excess crankcase vapors, residual oil mist and moisture right back into the intake manifold which could cause detonation, oil deposits to form in the intake tract including the valves themselves and from lowering the ficiency of the intercooler in intercooler equipped vehicles
      $142.63 - $150.46
    • (0 reviews)
      # 793839623
      Universal Matrix Breather 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...
      Improves engine performanceDesigned to work with stock exhaust system
      Call for Pricing
    • (0 reviews)
      # 793847623
      Universal Neo-Ti Oil Catch Tank by Weapon-R®. Whether you’re going racing or just want to look like you are, this aluminum tank will dress up your engine compartment. Carefully designed for maximum performance, is will more than just...
      Manufactured from Billet 6061 AluminumInstalls in OEM location
      $89.25
    • (0 reviews)
      # mpn4476046448
      Universal Oil Separator Kit by BBK®. Take a look at these BBK Oil separator kits. The design of today's modern fuel injected engines engines sends oil vapor from the crankcase back thru the PCV system to the air intake to be re-burned...
      Enables O2 sensors on full length, long tube headers to be connected to factory wire harnessEliminates the need to fabricate a harness or splice into the factory harness
      $137.99
    • (0 reviews)
      # 793800623
      Universal Oil Catch Can by Canton 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...
      High quality at an affordable priceExpertly made from premium materials
      $120.00
    • (0 reviews)
      # mpn753352631
      Universal Crankcase Evacuation System by BTP®. Designed utilizing the latest technology, this product delivers the performance you've been looking for. With this second-to-none part by BTP you will keep emission control system in your...
      Designed for better performance of your emission control systemRight for your vehicle and lifestyle
      $35.43
    • (1 review)
      # mpn753352945
      Universal PCV Valve by BTP®. Designed utilizing the latest technology, this product delivers the performance you've been looking for. With this second-to-none part by BTP you will keep emission control system in your vehicle working...
      Designed for better performance of your emission control systemRight for your vehicle and lifestyle
      $20.47
    • (0 reviews)
      # 793809624
      Universal Oil Catch Can by Vibrant Performance®. Vibrant Performance offers the most versatile Universal Catch Cans on the market. Made entirely from T6061 Aluminum, it is suitable for various types of service: Oil, Fluid (i.e. Coolant)...
      Top End Cap is pressure fitEach End Cap also features a port tapped for 3/4” NPT fittings, perfect for running a breather filter off your Catch Can
      $102.38 - $149.95
    • (0 reviews)
      # 793877623
      Universal PCV Breather Cap by Earl's Performance®. 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
      $46.82 - $92.99
    • (0 reviews)
      # 793863623
      Universal PCV Breather by Edelbrock®. Designed utilizing the latest technology, this product by Edelbrock features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      +1
      $8.60 - $41.08
    • (0 reviews)
      # mpn4476046687
      Universal PCV Breather by Edelbrock®. Designed utilizing the latest technology, this product by Edelbrock features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $22.40
    • (0 reviews)
      # 793737622
      Universal Pro-Flo™ PCV Breather by Edelbrock®. Designed utilizing the latest technology, this product by Edelbrock features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $8.49 - $9.75
    • (0 reviews)
      # 793869622
      Universal Victor Series PCV Breather by Edelbrock®. Designed utilizing the latest technology, this product by Edelbrock features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $11.84 - $32.85




    Guides & Articles

    Useful articles fast to read and guides easy to understand written by mechanics and car enthusiasts to turn your shopping experience with CARiD into a pleasure

    • Replacement Emission Control Parts
      August 18, 2014
      Oxygen Sensors - Why Does My Car Have Four, And...
      An oxygen sensor (also known as an O2 sensor or Lambda sensor) is a sensor designed to generate a reading based on the content of oxygen in an automotive exhaust...
      by Michael Grayen
    • Ignition Parts
      August 10, 2014
      Auto Parts: Dealer vs. Aftermarket
      The question of whether to buy parts from an automotive dealer vs. ones from aftermarket manufacturers is as age-old as the automobile itself. Below, we'll take a look...
      by Timothy Zahl
    SECURE SHOPPING

    All manufacturer names, symbols, and descriptions, used in our images and text are used solely for identification purposes only.
    It is neither inferred nor implied that any item sold by CARiD.com is a product authorized by or in any way connected with any vehicle manufacturers displayed on this page.