2000 Audi TT Emission Control

Change Vehicle
Show items:
Sort by:
  • Oxygen Sensors
  • PCV & Breathers
  • Vapor Canisters
  • EGR Valves
  • Air Injection Pumps
  • Catalytic Converters
    • (0 reviews)
      # 21073888
      Audi TT 2000, 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 idle, moderate...
      Corrosion-resistant stainless steel constructionPTFE filter blocks efficiency-robbing contaminants
      $81.53 - $135.77
    • (0 reviews)
      # mpn44435448
      Audi TT 2000, Oxygen Sensor by Standard®. Position: Upstream. 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...
      One-piece laser welded body for maximum protection and precise operation maintaining sensor integrityDual internal talc seal makes Our Oxygen sensors last longer
      $68.18
    • (0 reviews)
      # mpn2396922387
      Audi TT / TT Quattro 2000, Intermotor™ Vapor Canister 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 manufacturersEach fuel vapor canister is designed and tested to OE specifications for a direct-fit replacement controlling the loss of evaporative emissions from fuel systems to the environment.
      $299.70
    • (3 reviews)
      # 24140482
      Audi TT 2000, Premium Oxygen Sensor by Bosch®. 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 Bosch that is equally...
      Up to 15 % savings in fuel costsReduced CO2 emissions
      $60.39 - $149.09
    • (0 reviews)
      # 24140494
      Audi TT / TT Quattro 2000, Universal Fit Oxygen Sensor by Bosch®. Universal Oxygen Sensors with OE SmartLink are quick and easy to install. Each sensor has enough length of sensor wire to allow maximum replacement of worn harnesses....
      Patented SmartLink™ connector systemNo special tools required for installation
      $40.62
    • (0 reviews)
      # 22132626
      Audi TT 2000, 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 the...
      Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement
      $60.40 - $89.69
    • (0 reviews)
      # 81757401
      Audi TT 2000, 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...
      OE connectors and wire lengths within 3" of OE specificationsResists high temperatures, vibration damage and wire corrosion to protect signal accuracy, and long life
      $57.97 - $67.16
    • (0 reviews)
      # 78064299
      Audi TT 2000, Oxygen Sensor by Spectra Premium®. To ensure your vehicle has optimal performance and fuel economy while producing minimal emissions replace a defective O2 sensor with one backed by the aftermarket’s most rigorous...
      Increase vehicle fuel economy and engine performance while decreasing vehicle exhaust emissions100% performance tested to meet vehicle requirements
      $46.73 - $52.40
    • (0 reviews)
      # mpn53630438
      Audi TT / TT Quattro 2000, Intermotor™ PCV Valve by Standard®. No Connector. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $12.30
    • (0 reviews)
      # mpn1032497395
      Audi TT / TT Quattro 2000, PCV Valve by URO Parts®. Make your vehicle operating quiet again by replacing your malfunctioning component with this top-notch emission control part. The dependable URO part will make your exhaust system work...
      Designed to replace your worn out exhaust partHelps to restore quiet vehicle operation
      $6.40
    • (0 reviews)
      # mpn449442
      Audi TT / TT Quattro 2000, PCV Valve by Beck Arnley®. For one hundred years, Beck/Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and transitioning to import vehicles in the...
      OE quality products from top original equipmentTop quality materials
      $9.68
    • (0 reviews)
      # mpn3610113388
      Audi TT / TT Quattro 2000, Secondary Air Injection Pump by Dorman®. Pulley Not Required. Dorman’s A.I.R. Pump comes with all the hardware and other components necessary for a complete repair. Since this part is a direct replacement,...
      Save money by replacing only the failed pump - instead of the entire mating cover assemblyReplacement restores A.I.R. System to proper functioning
      $408.95
    • (0 reviews)
      # mpn8385
      Audi TT / TT Quattro 2000, Secondary Air Injection Pump by Cardone®. Import. 100% testing of all units guarantees reliable performance every time. High temperature grease extends bearing life, resulting in longer pump life. New carbon...
      50-state emissions street legal100% testing of all units guarantees reliable performance every time.
      $111.02
    • (0 reviews)
      # mpn4495526490
      Audi TT / TT Quattro 2000, Secondary Air Injection Pump by Pierburg®. 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...
      24 Months/24,000 MilesMade to provide unequaled quality and reliability
      $287.21
    • (0 reviews)
      # 1016162445
      Audi TT Engine Family # YADXV01.8336 2000, CalCat™ Catalytic Converter and Pipe Assembly by Walker®. Emissions: CARB compliant. Converter Configuration: Direct Fit. Catalytic Converter Body Shape: Round. With 1 Inlet. With O2 Sensor...
      Constructed to meet your vehicle’s specific emissions requirementsBody and pipe heat shields made of high quality materials for durability
      $307.95
    • (0 reviews)
      # 286159471
      Audi TT Engine Family # YADXV01.8336 2000, 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...
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $107.06 - $124.35
    • (0 reviews)
      # 1016025022
      Audi TT 2000, Ultra™ Catalytic Converter and Pipe Assembly by Walker®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Catalytic Converter Body Shape: Round. With 1 Inlet. With O2 Sensor Port. Catalytic Converter...
      Constructed to meet your vehicle’s specific emissions requirementsBody and pipe heat shields made of high quality materials for durability
      $212.05
    • (0 reviews)
      # mpn1833646
      Audi TT 2000, 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 Converter...
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $82.48
    • (0 reviews)
      # 172045318
      Audi TT 2000, Catalytic Converter by Eastern®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Catalytic Converter Overall Length: 14". Whether your catalytic converter is damaged by road debris or failed...
      Converts harmful engine emissions to less dangerous gases and water vaporAdvanced design for maximum engine output
      $61.56 - $150.96
    • (0 reviews)
      # 286159467
      Audi TT 2000, Catalytic Converter and Pipe Assembly by AP Exhaust®. Converter Configuration: Direct Fit. Without Air Tube. With 2 O2 Sensor Ports. Catalytic Converter Overall Length: 41.88". The growing concern for the environment means...
      5-year/50,000-mile warranty on converter body25,000-mile warranty on emissions
      $235.59 - $324.31
    • (0 reviews)
      # 128873278
      Audi TT 2000, Catalytic Converter by AP Exhaust®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Without Air Tube. Without O2 Sensor Port. Three-Way No / Air OBDII By Design US-EPA Compliant catalytic converters are...
      A multitude of Universal converter bodies provided for maximum coverageProvides professional installer with immediate installation options
      $130.71 - $202.48
    • (0 reviews)
      # 86067421
      Audi TT 2000, Standard Catalytic Converter and Pipe Assembly by DEC®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Pick out a catalytic converter by DEC and get your emissions back into check without worrying to fail...
      Direct fitMade from a heavy duty stainless steel outer shell
      $298.45 - $425.54
    • (0 reviews)
      # 83034971
      Audi TT 2000, Catalytic Converter and Pipe Assembly by Davico®. Converter Configuration: Direct Fit. This direct-fit catalytic converter by Davico will be a great solution to replace your failed or damaged catalytic converter. Once your...
      Helps your vehicle emit harmless gasesDirect OEM replacement
      $189.37 - $414.12
    • (0 reviews)
      # 898844041
      Audi TT Engine Family # YADXV01.8336 with PC Weight Class with California Emission with TLEV Standard 2000, Catalytic Converter by Davico®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Position: Center. This...
      $246.05
    • (0 reviews)
      # 380735332
      Audi TT 2000, Heavy Metal Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Without Air Tube. If your car needs replacement, install one that will get you through the smog check. This...
      $290.71 - $529.10
    • (0 reviews)
      # 49708892
      Audi TT 2000, Heavy Metal Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic Converter Overall...
      $100.27
    • (0 reviews)
      # mpn1129873
      Audi TT with TLEV Standard 2000, OBDII Catalytic Converter by MagnaFlow®. Emissions: CARB compliant. Converter Configuration: Direct Fit. With Gasket. Without Air Tube. With Pre and Post-Cat O2 Sensor Ports. Catalytic Inlet Diameter:...
      $408.37
    • (0 reviews)
      # 49708882
      Audi TT with TLEV Standard 2000, OBDII Catalytic Converter by MagnaFlow®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet...
      $180.93 - $231.40
    • (0 reviews)
      # 380735334
      Audi TT 2000, OEM Grade Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Direct Fit. If your car needs replacement, install one that will get you through the smog check. This converter is part of the...
      $349.54 - $627.92
    • (0 reviews)
      # 49708889
      Audi TT 2000, OEM Grade Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic Converter Overall...
      $122.43
    • (0 reviews)
      # mpn4489688830
      Audi TT / TT Quattro 2000, Engine Breather Housing Bleeder Valve by 034Motorsport®. 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...
      $37.98
    • (0 reviews)
      # mpn53630550
      Audi TT / TT Quattro 2000, Intermotor™ Vapor Canister Purge Solenoid by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $84.18
    • (1 review)
      # 133762985
      Audi TT 2000, Vapor Canister Purge Valve by Dorman®. Location: Near Intake Manifold. Dorman's Vapor Canister Purge Valve restores on-board diagnosis of the EVAP system. Plus, its high quality metal and plastic construction keeps the...
      Designed for enduring resistance to harsh road and weather conditionsDirect replacement for a proper fit every time
      $19.87
    • (0 reviews)
      # mpn4494250757
      Audi TT / TT Quattro 2000, Emission Check Valve by MTC®. Engineering each part from the very core allows MTC to offer its customers the very highest in automotive parts quality while remaining highly affordable. MTC is an industry...
      Highest quality products at the most competitive pricesProducts are produced to exceed OEM specifications and quality standards that MTC offer an industry leading
      $4.08
    • (0 reviews)
      # mpn4495526373
      Audi TT / TT Quattro 2000, EGR Vacuum Solenoid by Pierburg®. N249. "Diesel" and "downsizing" are terms that largely account for the popularity of electropneumatic transducers, a prime mainstay of Pierburg's sales. These are devices...
      24 Months/24,000 MilesMade to provide unequaled quality and reliability
      $53.44
    • (0 reviews)
      # mpn53630736
      Audi TT 2000, Intermotor™ Secondary Air Injection Pump Check 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...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $19.99
    • (0 reviews)
      # mpn1032497506
      Audi TT / TT Quattro 2000, Emission Check Valve by URO Parts®. Make your vehicle operating quiet again by replacing your malfunctioning component with this top-notch emission control part. The dependable URO part will make your exhaust...
      High quality plastic and/or steel constructionDirect replacement for a proper fit every time
      $2.69
    • (0 reviews)
      # mpn4495526475
      Audi TT / TT Quattro 2000, Air Pump Check Valve by Pierburg®. 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...
      24 Months/24,000 MilesMade to provide unequaled quality and reliability
      $83.07
    • (0 reviews)
      # mpn4495526433
      Audi TT / TT Quattro 2000, Intake System Vacuum Solenoid by Pierburg®. "Diesel" and "downsizing" are terms that largely account for the popularity of electropneumatic transducers, a prime mainstay of Pierburg's sales. These are devices...
      24 Months/24,000 MilesMade to provide unequaled quality and reliability
      $55.81
    • (1 review)
      # 77562354
      Audi TT 2000, Breather Hose by URO Parts®. 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...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $7.77 - $19.49
    • (0 reviews)
      # mpn2876371116
      Audi TT / TT Quattro 2000, PCV Valve Hose by URO Parts®. Location: To Breather Valve. Make your vehicle operating quiet again by replacing your malfunctioning component with this top-notch emission control part. The dependable URO part...
      Designed to replace your worn out exhaust partHelps to restore quiet vehicle operation
      $34.47
    • (0 reviews)
      # mpn1032497543
      Audi TT / TT Quattro 2000, T-Shaped PCV Housing by URO Parts®. Make your vehicle operating quiet again by replacing your malfunctioning component with this top-notch emission control part. The dependable URO part will make your exhaust...
      High quality plastic and/or steel constructionDirect replacement for a proper fit every time
      $4.57
    • (0 reviews)
      # mpn4476106278
      Audi TT / TT Quattro 2000, PCV Valve Hose by Gates®. Emission Hose is constructed from high quality materials for durability and maximum service life. Replacement hose effectively restores the emission system to proper operation and...
      High quality at an affordable priceExpertly made from premium materials
      $15.69
    • (0 reviews)
      # mpn4515244899
      Audi TT / TT Quattro 2000, Crankcase Ventilation Hose by Febi®. From valve housing to oil filter bracket. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced...
      24 Months/24,000 MilesThe finest quality at a great price
      $15.65
    • (0 reviews)
      # mpn4489688856
      Audi TT Quattro AMU Engine 2000, Breather Hose Complete Kit by 034Motorsport®. Sold as a complete kit. Upgrade from weaker rubber hoses. This complete silicone hose kit is designed to replace all of the crumbling plastic and rubber...
      $179.07
    • (0 reviews)
      # mpn4489688824
      Audi TT Quattro AMU Engine 2000, Crankcase Breather Hose by 034Motorsport®. Location: Lower Block. 1 Piece. Reinforced silicone 1.8T lower block breather hose to replace the crumbling factory plastic and rubber lower breather hoses....
      24 Months WarrantyMade to provide unequaled quality and reliability
      $86.82
    • (0 reviews)
      # mpn4489688833
      Audi TT Quattro AMU Engine 2000, Pressure Regulating Valve Breather Hose by 034Motorsport®. 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...
      24 Months WarrantyMade to provide unequaled quality and reliability
      $27.13
    • (0 reviews)
      # mpn4489688850
      Audi TT Quattro AMU Engine 2000, Valve Cover Breather Hose by 034Motorsport®. 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...
      $43.41
    • (0 reviews)
      # mpn4489688853
      Audi TT / TT Quattro 2000, Valve Housing by 034Motorsport®. Location: Engine Breather Tubes To Bleeder Valve.
      $16.28
    • (0 reviews)
      # mpn4497724686
      Audi TT / TT Quattro 2000, Secondary Air Injection Relay by Wehrle®. 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....
      $8.62
    • (0 reviews)
      # mpn3937719124
      Audi TT Quattro AMU Engine 2000, Catalytic Converter Gasket by AJUSA®. If you need durable gaskets to prevent leaks on your vehicle, AJUSA is the way to go. Engineered using the latest technologies and global engineering resources, the...
      Direct OEM replacement for a proper fitEnsure reliable sealing performance
      $3.81
    • (0 reviews)
      # mpn4498747827
      Audi TT Quattro ATC Engine 2000, Catalytic Converter Gasket by HJS®. 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...
      High quality at an affordable priceExpertly made from premium materials
      $7.86
    • (0 reviews)
      # mpn246468473
      Audi TT / TT Quattro 2000, EGR Valve Gasket by Elring®. 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
      $3.12
    • (0 reviews)
      # mpn3772741642
      Audi TT / TT Quattro 2000, Secondary Air Injection Pump Bushing by URO Parts®. Make your vehicle operating quiet again by replacing your malfunctioning component with this top-notch emission control part. The dependable URO part will...
      Designed to replace your worn out exhaust partHelps to restore quiet vehicle operation
      $1.59
    • (0 reviews)
      # mpn1708004
      Audi TT / TT Quattro 2000, Secondary Air Injection Pump Rubber Mount by MTC®. 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...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $2.39
    • (0 reviews)
      # mpn2169838
      Audi TT / TT Quattro 2000, Secondary Air Injection Pump Mount by Rein®. 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...
      OE-quality replacement partsThe finest quality at a great price
      $5.55
    • (0 reviews)
      # mpn4516842459
      Audi TT / TT Quattro Engine Family # YTYXV03.0FXB 2000, OBDII Catalytic Converter by Flowmaster®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Catalytic...
      $252.97
    • (0 reviews)
      # 706850529
      Audi TT / TT Quattro 2000, Breather Hose by Rein®. Air, breather, and vacuum hoses channel air and vapors and make sure your vacuum operated accessories can be properly actuated. Unfortunately, age and exposure to heat and the...
      Direct fit, form, and functionEngineered to the highest OE standards
      $4.49 - $7.51
    • (0 reviews)
      # 750478336
      Audi TT 2000, Breather Hose by 034Motorsport®. Location: Bleeder Valve To Engine. 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...
      $27.13
    • (0 reviews)
      # mpn4498312944
      Audi TT / TT Quattro 2000, Secondary Air Injection Pipe 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...
      Carefully crafted to provide optimum performanceMade from premium materials to last
      $132.74




    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

    Popular Products




    2000 Audi TT Models
    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.