2001 Audi A4 Emission Control Parts
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WVE®Vapor CanisterAudi A4 / A4 Quattro 2001, Vapor Canister by WVE®. WVE emissions products are made to meet or exceed vehicle manufacturer specifications to work in concert with the fuel system, underhood electronics and the engine to minimize emissions...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$713.49 - ACDelco®Professional™ Oxygen SensorAudi A4 / A4 Quattro 1.8L AWM Engine 2001, 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....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$111.45
- Aceon®Oxygen SensorAudi A4 2001, Oxygen Sensor by Aceon®. 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...Made with precision and quality in mindDesigned to meet your specific needs$25.16 - $56.26
- CRS®Oxygen SensorAudi A4 2001, Oxygen Sensor by CRS®. 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 industry-leading...Compliant with the most strict standards for qualityDesigned to comply with the highest quality standards$39.82 - $86.81
- TruParts®Oxygen SensorAudi A4 / A4 Quattro 1.8L AWM Engine 2001, Oxygen Sensor by TruParts®. Position: Downstream. Go with this high-quality product to restore your vehicle’s lost power and bring it back to its optimal condition. Made from the finest...Made utilizing the finest materials and equipmentEngineered to restore your vehicle to its pristine condition$37.45
- SKP®PCV ValveAudi A4 / A4 Quattro 1.8L 2001, 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...Precise engineering ensures second to none quality and lasting valueStringently tested with the highest quality standards$6.53 - $9.96
- TruParts®PCV ValveAudi A4 / A4 Quattro 1.8L 2001, PCV Valve by TruParts®. Go with this high-quality product to restore your vehicle’s lost power and bring it back to its optimal condition. Made from the finest materials in compliance with rigorous...Made utilizing the finest materials and equipmentEngineered to restore your vehicle to its pristine condition$10.77
- ReplacementSecondary Air Injection PumpAudi A4 2001, Secondary Air Injection Pump by Replacement. 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 Replacement...Expertly crafted from premium materialsDesigned to match rigorous quality standardsCall for Pricing
- TruParts®Secondary Air Injection PumpAudi A4 / A4 Quattro 1.8L 2001, Secondary Air Injection Pump by TruParts®. Go with this high-quality product to restore your vehicle’s lost power and bring it back to its optimal condition. Made from the finest materials in compliance...Made utilizing the finest materials and equipmentEngineered to restore your vehicle to its pristine condition$22.31
- Vemo®EGR Valve Cable Repair SetAudi A4 / A4 Quattro 2001, EGR Valve Cable Repair Set by Vemo®. Grade: Q+. Kit: included: Wiring Harness Connector, Harness Clamp. Vemo products are made by high-quality materials and undergo strict quality tests. They are, thereby, the...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$26.72
- TruParts®Service Tech EGR ValveAudi A4 / A4 Quattro 1.8L 2001, Service Tech EGR Valve by TruParts®. Go with this high-quality product to restore your vehicle’s lost power and bring it back to its optimal condition. Made from the finest materials in compliance with...Made utilizing the finest materials and equipmentEngineered to restore your vehicle to its pristine condition$56.81
- Dorman®OE Solutions™ Secondary Air Injection Check ValveAudi A4 2.8L 2001, OE Solutions™ Secondary Air Injection Check Valve by Dorman®. This secondary air injection check valve is designed to match the fit and function of the original valve on specified vehicles, and is engineered for...Direct replacement - this secondary air injection check valve is designed to match the fit and function of the original valve on specified vehiclesRestores functionality - this valve is made to fit and fully restore part functionality after the original valve fails$139.17
- WVE®Evaporative Emissions System Leak Detection PumpAudi A4 / A4 Quattro 2001, Evaporative Emissions System Leak Detection Pump by WVE®. WVE emissions products are made to meet or exceed vehicle manufacturer specifications to work in concert with the fuel system, underhood electronics...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$647.96
- GPD®Vapor Canister Purge SolenoidAudi A4 / A4 Quattro 2001, Vapor Canister Purge Solenoid by GPD®. The vapor canister purge valve/solenoid controls the amount of fuel vapor purged from the charcoal canister to the engine, preventing excess fuel vapor from escaping into...Designed to meet/exceed OE fit, form, and functionDurability tested on every new design$96.80 - $112.59
- TruParts®Engine Crankcase Suction PumpAudi A4 / A4 Quattro 2.8L 2001, Engine Crankcase Suction Pump by TruParts®. Go with this high-quality product to restore your vehicle’s lost power and bring it back to its optimal condition. Made from the finest materials in...Made utilizing the finest materials and equipmentEngineered to restore your vehicle to its pristine condition$100.34
- Vemo®Driver Side Cylinder Bank Secondary Air Injection Pump Check ValveAudi A4 / A4 Quattro 2.8L 2001, Driver Side Cylinder Bank Secondary Air Injection Pump Check Valve by Vemo®. Grade: Aftermarket. Vemo products are made by high-quality materials and undergo strict quality tests. They are, thereby, the...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$187.52
- ReplacementSecondary Air Injection Pump Check ValveAudi A4 1.8L 2001, Secondary Air Injection Pump Check Valve by Replacement. 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...Expertly crafted from premium materialsDesigned to match rigorous quality standardsCall for Pricing
- Original Equipment®Vapor Canister FilterAudi A4 / A4 Quattro 2001, Vapor Canister Filter by Original Equipment®. Looking for high-quality replacement parts to restore the performance of your vehicle? Then Original Equipment automotive parts are for you. They are manufactured...Perfect replacement for your damaged or worn out original partMade using high-grade materials for long-lasting dependability$36.63
- 034Motorsport®Bleeder Valve Breather HoseAudi A4 / A4 Quattro 1.8L 2001, Bleeder 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 mind. It will...24 Months WarrantyMade to provide unequaled quality and reliability$27.06
- 034Motorsport®Breather Hose Complete KitAudi A4 1.8L 2001, Breather Hose Complete Kit 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 meet your...24 Months WarrantyMade to provide unequaled quality and reliability$198.39
- 034Motorsport®Engine Breather Housing Bleeder ValveAudi A4 / A4 Quattro 1.8L 2001, Engine Breather Housing Bleeder Valve by 034Motorsport®. The 034 check valve is a high quality spring-loaded ball-style unit designed for simple bolt-on installation for your vehical. Features a...High quality at an affordable priceExpertly made from premium materials$48.63
- 034Motorsport®Valve Cover Breather HoseAudi A4 / A4 Quattro 1.8L 2001, Valve Cover Breather Hose by 034Motorsport®. Tube From Valve Cover to Intake Boot This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology...High quality at an affordable priceExpertly made from premium materials$20.62
- 034Motorsport®Valve HousingAudi A4 / A4 Quattro 1.8L 2001, Valve Housing by 034Motorsport®. Location: Engine Breather Tubes to Bleeder Valve. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology...Made with precision and quality in mindDesigned to meet your specific needs$21.91
- TruParts®Engine Crankcase Breather HoseAudi A4 / A4 Quattro 2001, Engine Crankcase Breather Hose by TruParts®. Go with this high-quality product to restore your vehicle’s lost power and bring it back to its optimal condition. Made from the finest materials in compliance...Made utilizing the finest materials and equipmentEngineered to restore your vehicle to its pristine condition$7.40 - $190.96
- Aftermarket®Secondary Air Injection Pump MountAudi A4 / A4 Quattro 2001, Secondary Air Injection Pump Mount by Aftermarket®. 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...OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price$3.10
- CATCO®Direct Fit Catalytic Converter and Pipe AssemblyAudi A4 Quattro 2.8L Transmission with California Emission / Federal Emission 2001, Catalytic Converter and Pipe Assembly by CATCO®. Converter Configuration: Direct Fit. Position: Passenger Side. Catalytic Converter Overall Length: 49"....$611.35
- Davico®Direct Fit Catalytic Converter and Pipe AssemblyAudi A4 / A4 Quattro 2.8L 2001, Catalytic Converter and Pipe Assembly by Davico®. Converter Configuration: Direct Fit. Position: Passenger Side. With 2 Converters. Catalytic Converter Overall Length: 49.75". This direct-fit catalytic...$539.85 - $619.14
- AP Exhaust®Direct Fit Catalytic Converter and Pipe AssemblyAudi A4 Quattro 2.8L 2001, Catalytic Converter and Pipe Assembly by AP Exhaust®. Converter Configuration: Direct Fit. Position: Passenger Side. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The...$348.01 - $556.39
- Walker®CalCat™ Direct Fit Round Body Catalytic ConverterAudi A4 1.8L Engine Family # 1ADXV01.8342 2001, CalCat™ Catalytic Converter by Walker®. Converter Configuration: Direct Fit. Catalytic Converter Body Shape: Round. With 1 Inlet. With O2 Sensor Port. Catalytic Converter Overall Length:...$917.62
- Audi OEExhaust System - Exhaust Components (2.8L)Audi A4 2.8L 2001, Exhaust System - Exhaust 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...Genuine OE replacement for your specific Audi modelDesigned to bring your vehicle back to its pristine condition$12.63 - $2,290.87
Shop By Service Type
- Oxygen Sensor Replacement
- Air Pump Check Valve Replacement
- Canister Purge Solenoid Replacement
- Positive Crankcase Ventilation (PCV) Valve Hose Replacement
- Positive Crankcase Ventilation (PCV) Valve Replacement
- Secondary Air Injection Hose Replacement
- Fuel Evaporative Canister Replacement
- Air Injection System Control Valve Replacement
- Secondary Air Injection System Air Bypass Valve Replacement
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- $119.26 - $917.62
2001 Audi A4 Models
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