2003 Audi TT Emission Control Parts
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TRQ®Oxygen SensorAudi TT Quattro 1.8L BEA Engine 2003, Oxygen Sensor by TRQ®. Position: Downstream. If your oxygen sensor fails, replace it with this top-grade part developed to easily fix the problem. Built to fit and function exactly as the part it is...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$34.15$35.95Save $1.80 (5%) - Cardone Reman®Secondary Air Injection PumpAudi TT / TT Quattro 2003, Secondary Air Injection Pump by Cardone Reman®. Import. Cardone Remanufactured Smog Pumps are engineered for quick installation and no comebacks. These pumps come with all necessary components for easy...100% testing of all units guarantees reliable performance every timeHigh temperature grease extends bearing life, resulting in longer pump life$158.04
- Genuine®Vapor CanisterAudi TT / TT Quattro 2003, Vapor Canister 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...Made with precision and quality in mindDesigned to meet your specific needs$191.47
- TRQ®Downstream O2 Oxygen SensorAudi TT 2003, Downstream O2 Oxygen Sensor by TRQ®. TRQ oxygen sensors are manufactured to precise specifications using premium raw materials to optimize your vehicle’s emission system. Each sensor is isostatically-pressed for...Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part$34.15$35.95Save $1.80 (5%)
- Bosch®Premium Wideband Oxygen SensorAudi TT 2003, Premium Wideband Oxygen Sensor by Bosch®. Position: Upstream. This sensor utilizes a sophisticated sensing element enabling it to produce a precise output in proportion to the air/fuel ratio. Wideband sensors use a more...Detects the exact amount of unburned fuel in the exhaust streamOE connectors and OE-style harness for continuous wire from connector to sensor$102.82 - $131.58
- Walker Products®Oxygen SensorAudi TT 2003, Oxygen Sensor by Walker Products®. 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$52.18 - $117.86
- Bosch®Narrow-band Oxygen SensorAudi TT 2003, Narrow-band Oxygen Sensor by Bosch®. Position: Downstream. The Bosch oxygen sensor utilizes a mix of zirconium and yttrium oxides and other elements to form a tough base that withstands the intense stress to which oxygen...OE-EquivalentOE Style connectors and wire lengths$50.66
- Vemo®Secondary Air PumpAudi TT 2003, Secondary Air Pump by Vemo®. Grade: Aftermarket. Vemo products are made by high-quality materials and undergo strict quality tests. They are, thereby, the perfect alternative to the original part.Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$350.67
- Denso®Oxygen SensorAudi TT 2003, Oxygen Sensor by Denso®. Position: Downstream. Make sure your engine runs efficiently and produces fewer emissions by replacing your malfunctioning fuel-ratio sensors with these top-notch products designed by Denso....High quality plastic and/or steel constructionDirect replacement for a proper fit every time$86.96
- Bosch®Premium Narrow-band Oxygen SensorAudi TT 2003, Premium Narrow-band Oxygen Sensor by Bosch®. Position: 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...OE Identical ConnectorCompact Design$88.97 - $98.09
- Walker Products®Premium Oxygen SensorAudi TT 2003, Premium Oxygen Sensor by Walker Products®. Position: Downstream. Location: B1S2 Sensor. Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet or exceed all original equipment...Improved Engine Response & PerformanceLower Emissions$59.40 - $82.14
- NTK®Oxygen SensorAudi TT 2003, Oxygen Sensor by NTK®. Position: Downstream. Location: B1S2. Thimble type sensors feature a ceramic element that projects into the exhaust system and becomes electrically conductive at high temperature. The sensor element...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$85.07 - $98.24
- Dorman®OE Solutions™ Secondary Air Injection PumpAudi TT / TT Quattro 1.8L 2003, OE Solutions™ 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...Save money by replacing only the failed pump - instead of the entire mating cover assemblyReplacement restores A.I.R. System to proper functioning$286.10
- Facet®Oxygen SensorAudi TT 2003, Oxygen Sensor by Facet®. Position: Rear. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind. It will meet...The reliable goods for increase of reliability of the carQuality equal, if not superior, to that of the original components$46.74 - $48.09
- Walker Products®Wideband Premium Oxygen SensorAudi TT 2003, Wideband Premium Oxygen Sensor by Walker Products®. Position: Upstream. Location: B1S1 Sensor. Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet or exceed all original equipment...High quality at an affordable priceExpertly made from premium materials$112.13 - $113.24
- SKP®PCV ValveAudi TT / TT Quattro 1.8L 2003, PCV Valve by SKP®. 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. Manufactured from...High quality at an affordable priceExpertly made from premium materials$11.15
- Original (OEM)Emission Control PartsAlong with power, your engine produces carbon monoxide, oxide of nitrogen, hydrocarbons, and other hazardous gases that cause harm to the environment. To minimize air pollution, all vehicles are equipped with an emission control system...
- Audi OEEmission System - Emission ComponentsAudi TT 2003, Emission System - Emission Components by Audi OE. Keep your Audi looking showroom-new and running at its best with top-grade Audi OE parts. Genuine in quality, fit, and finish, they’re the finest option to go if you want...Genuine OE replacement for your specific Audi modelDesigned to bring your vehicle back to its pristine condition$3.64 - $915.43
- Genuine®Oxygen SensorAudi TT 2003, Oxygen 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 manufactured from premium materials using...Made with precision and quality in mindDesigned to meet your specific needs$32.22
- Vemo®Oxygen SensorAudi TT 2003, Oxygen Sensor by Vemo®. 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$93.03 - $269.23
- Delphi®Oxygen SensorAudi TT 2003, 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...Resists high temperatures, vibration damage and wire corrosion to protect signal accuracy, and long lifePatented sensors construction and design$86.91 - $141.48
- Kayser®PCV ValveAudi TT Quattro 2003, PCV Valve by Kayser®. Location: Check Valve. The production and development of filters for the automotive industry has been a tradition in company. Since 1960 Kayser have been active in this business field and have...High-grade design and construction built to last for yearsPerfect for use in high-speed environments$57.84
- Pierburg®Secondary Air Injection PumpAudi TT / TT Quattro 2003, 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$289.22
- Vemo®Exhaust-Gas Door Change-Over ValveAudi TT Quattro 1.8L BEA Engine 2003, Exhaust-Gas Door Change-Over Valve by Vemo®. Grade: Aftermarket. Vemo products are made by high-quality materials and undergo strict quality tests. They are, thereby, the perfect alternative to the...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$49.87
- Dorman®OE Solutions™ Vapor Canister Purge ValveAudi TT 2003, OE Solutions™ Vapor Canister Purge Valve by Dorman®. Location: Near Intake Manifold. Engineered for a perfect fit and plug-and-play installation, this vapor canister purge valve is a direct replacement for the original...Direct replacement - this vapor canister purge valve fits and functions like original equipment to ensure proper function of your vehicle's evaporative emissions systemQuality construction - manufactured from premium materials for a long service life$31.48
- Denso®Air Fuel Ratio SensorAudi TT 2003, Air Fuel Ratio Sensor by Denso®. Position: Upstream. Make sure your engine runs efficiently and produces fewer emissions by replacing your malfunctioning fuel-ratio sensors with these top-notch products designed by Denso....Designed to help reduce fuel consumption and harmful emissionsMade with the use of state-of-the-art sensor technologies$135.94 - $139.45
- Standard®Intermotor™ Vapor Canister Purge SolenoidAudi TT / TT Quattro 2003, Intermotor™ Vapor Canister Purge Solenoid by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the...Made with precision and quality in mindDesigned to meet your specific needs$39.94
- NTK®Air Fuel Ratio SensorAudi TT 2003, Air Fuel Ratio Sensor by NTK®. Position: Upstream. Location: B1S1. Air fuel ratio sensors utilize a sophisticated sensing element that enables them to produce a precise output in proportion to the air fuel ratio. AFR...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$102.19 - $118.87
- URO Parts®Emission Check ValveAudi TT / TT Quattro 2003, 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$4.03
- Vemo®Secondary Air Pump System ValveAudi TT 2003, Secondary Air Pump System Valve by Vemo®. Grade: Aftermarket. Description: With Gasket. Vemo products are made by high-quality materials and undergo strict quality tests. They are, thereby, the perfect alternative to the...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$139.86
Shop By Service Type
- Oxygen Sensor Replacement
- Positive Crankcase Ventilation (PCV) Valve Hose Replacement
- Canister Purge Solenoid Replacement
- Secondary Air Injection Hose Replacement
- Positive Crankcase Ventilation (PCV) Valve Replacement
- Fuel Evaporative Canister Replacement
- Air Pump Check and Diverter Valve Replacement
- Air Pump Check Valve Replacement
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