2000 Audi A4 Emission Control Parts
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TRQ®Oxygen SensorAudi A4 / A4 Quattro 2.8L 2000, 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$39.72$40.95Save $1.23 (3%) - Cardone Reman®Secondary Air Injection PumpAudi A4 / A4 Quattro 2000, 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$147.48 - $189.92
- Beck Arnley®PCV ValveAudi A4 / A4 Quattro 1.8L 2000, PCV Valve by Beck Arnley®. Make sure your vehicle’s emission control system performs at its optimum level with top-of-the-line Beck Arnley replacement emission control parts. Designed to match OE...Designed to ensure reliable operation of your emission control systemDirect OE (original equipment) replacement$15.90
- SKP®Secondary Air Injection PumpAudi A4 / A4 Quattro 2000, Secondary Air Injection Pump by SKP®. 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...Made with precision and quality in mindDesigned to meet your specific needs$72.93 - $134.00
- URO Parts®New Secondary Air Injection PumpAudi A4 2000, New Secondary Air Injection Pump 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...Designed to replace your worn out exhaust partHelps to restore quiet vehicle operation$99.44 - $150.48
- TRQ®Secondary Air Injection PumpAudi A4 / A4 Quattro 2000, Secondary Air Injection Pump by TRQ®. If you secondary air injection pump has gone bad, replace it with this top-notch part to keep your vehicle working properly. Engineered for quick and simple installation,...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$134.78$138.95Save $4.17 (3%)
- TRQ®O2 Oxygen SensorAudi A4 / A4 Quattro 2000, 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$34.87$35.95Save 3%
- Bosch®Narrow-band Oxygen SensorAudi A4 / A4 Quattro 1.8L / 2.8L 2000, Narrow-band Oxygen Sensor by Bosch®. 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...OE-EquivalentOE Style connectors and wire lengths$50.66
- Dorman®OE Solutions™ Secondary Air Injection PumpAudi A4 / A4 Quattro 1.8L 2000, OE Solutions™ Secondary Air Injection Pump by Dorman®. 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$313.63
- Vemo®Secondary Air PumpAudi A4 1.8L / 2.8L 2000, 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 A4 / A4 Quattro 1.8L 2000, Oxygen Sensor by Denso®. 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. Engineered...High quality plastic and/or steel constructionDirect replacement for a proper fit every time$80.76
- Walker Products®Oxygen SensorAudi A4 2000, 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$64.75 - $81.17
- Bosch®Premium Narrow-band Oxygen SensorAudi A4 / A4 Quattro 2000, Premium Narrow-band 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...OE Identical ConnectorCompact Design$87.03 - $111.00
- NTK®Oxygen SensorAudi A4 / A4 Quattro 1.8L 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...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$77.94 - $85.71
- Walker Products®Premium Oxygen SensorAudi A4 / A4 Quattro 2000, Premium Oxygen Sensor by Walker Products®. Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet or exceed all original equipment specifications and test requirements....Improved Engine Response & PerformanceLower Emissions$82.14 - $92.60
- Standard®Intermotor™ PCV ValveAudi A4 / A4 Quattro 1.8L 2000, Intermotor™ PCV Valve by Standard®. No Connector. 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$18.78
- Facet®Oxygen SensorAudi A4 1.8L 2000, Oxygen Sensor by Facet®. 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 your needs...The reliable goods for increase of reliability of the carQuality equal, if not superior, to that of the original components$46.74
- URO Parts®PCV ValveAudi A4 / A4 Quattro 1.8L 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...Designed to replace your worn out exhaust partHelps to restore quiet vehicle operation$8.78
- 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 A4 2000, 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$23.16 - $1,041.50
- Vemo®Oxygen SensorAudi A4 2000, 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$52.88 - $165.16
- Delphi®Oxygen SensorAudi A4 1.8L 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...Resists high temperatures, vibration damage and wire corrosion to protect signal accuracy, and long lifePatented sensors construction and design$86.91
- Dorman®New OE Solutions™ PCV ValveAudi A4 / A4 Quattro 1.8L / 2.8L 2000, New OE Solutions™ PCV Valve by Dorman®. Standard Replacement. This PCV valve kit includes necessary components for repairing an original equipment PCV valve on certain vehicle applications.Complete kit - this PCV valve kit includes all components needed to repair valve right the first timeApplication specific - components designed to replace original components on certain vehicles$36.62
- SKP®PCV ValveAudi A4 / A4 Quattro 1.8L 2000, 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$7.35 - $11.05
- Pierburg®Secondary Air Injection PumpAudi A4 / A4 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$289.22 - $329.05
- Dorman®OE Solutions™ Vapor Canister Purge ValveAudi A4 / A4 Quattro 2000, 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...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$30.06
- Standard®Intermotor™ Vapor Canister Purge SolenoidAudi A4 / A4 Quattro 2000, 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$32.98 - $51.35
- URO Parts®Emission Check ValveAudi A4 / A4 Quattro 1.8L 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...High quality plastic and/or steel constructionDirect replacement for a proper fit every time$4.03
- Pierburg®Air Pump Check ValveAudi A4 / A4 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 MonthsMade to provide unequaled quality and reliability$91.22
- Pierburg®Intake System Vacuum SolenoidAudi A4 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 employed...24 Months/24,000 MilesMade to provide unequaled quality and reliability$55.41
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
- Air Injection System Control Valve Replacement
- Secondary Air Injection System Air Bypass Valve Replacement
- Air Pump Check Valve Replacement
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