2002 Audi A4 Quattro Fuel and Emissions Systems

Essential 2002 Audi A4 Quattro Fuel and Emissions Systems

DENSO – Oxygen Sensor: Downstream, 4 Wire, 38.19" Long, Heated, Exact Fit (Part No.234-4409)

Oxygen Sensor: Downstream, 4 Wire, 38.19" Long, Heated, Exact Fit

from

$208.99
DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled peformance; Each component is precision built for exact replacement, and a first time fit; This innovative line features DENSO’s exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead posining for improved engine performance, greater fuel efficiency, and unparalleled longevity; DENSO gives you the right part and the right fit, the first time.

Product Features:
  • Specifically designed to meet the increasing demands of today’s engines
  • 100% checked for high temperature signal output, air tightness, continuity, and heat resistance for optimal efficiency and performance
  • Coated with aluminum oxide to prevent silicone and lead from contacting the ceramic element and damaging the platinum electrode
  • Double protection cover helps maintain proper unit temperature for quicker response times, which is critical to your vehicle’s fuel efficiency
  • Manufactured with a rugged stainless steel housing and porous PTFE filter to resist corrosion and contamination
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Delphi – Fuel Injection Pressure Regulator (Part No.FP10312)

Fuel Injection Pressure Regulator

from

$172.99
100 years of OE experience, supplier to the world’s top automakers, OE Heritage and knowledge built into every aftermarket part.

Product Features:
  • Precisely manufactured internal valves, diaphragms and springs means excellent performance under all engine operating conditions
  • Quiet operation, no audible regulator noise
  • Robust diaphragm materials means longer life, improved durability and compatibility with a wide range of fuels
  • Consistent and predictable fuel pressure throughout system range of control provides great drivability
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Carquest Premium – Manifold Absolute Pressure Sensor (MAP) (Part No.ECC1488)

Manifold Absolute Pressure Sensor (MAP)

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$99.99
CARQUEST MAP sensors are manufactured with critical OEM components to ensure that your engine runs efficiently to reach the best gas mileage on your vehicle.

Product Features:
  • CARQUEST MAP sensors connectors are exact OE fit to ensure the proper vacuum is maintained to prevent power loss and to minimize internal contamination.
  • CARQUEST MAP sensors utilize high temperature resistant seals. Damaged seals can directly impact the vehicles fuel-to-air ratio, making it less fuel efficient.
  • CARQUEST MAP sensors are 100% individually tested for all product functionalities including proper vacuum seal and electrical output.
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Carquest Premium – Remanufactured Fuel Injector (Part No.A512-1155)

Remanufactured Fuel Injector

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$65.99
CARQUEST’s line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the U.S.A. Each injector is 100% tested under multiple operating conditions to ensure each injector meets or exceeds OE specifications for flow rate, spray pattern, coil resistance, form, fit and function. Each injector includes new external seals and o-rings.

Product Features:
  • Each unit is 100% tested to OE specifications.
  • Includes new o-rings and seals made of premium OE quality materials.
  • Includes application specific technical bulletin, where applicable.
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Kayser – Vacuum Check Valve (Part No.O404032232KAY)

Vacuum Check Valve

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$23.71
Vacuum Check Valve

Pierburg – EGR Vacuum Solenoid (Part No.B7008274290APG)

EGR Vacuum Solenoid

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$111.91
EGR Vacuum Solenoid

Original Equipment – Crankcase Breather Hose (Part No.B2010313687OEA)

Crankcase Breather Hose

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$212.29
The Original Equipment Crankcase Breather Hose is an ideal high quality Original Equipment replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Premium Original Equipment replacement
  • Provides performance and dependability
  • Manufactured to meet OE specifications
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Dorman – Secondary Air Injection Pump (Part No.306-031)

Secondary Air Injection Pump

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$476.99
This secondary air injection pump is designed to match the fit and function of the original pump on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this secondary air injection pump is designed to match the fit and function of the original pump on specified applications
  • Restores functionality – reliable replacement for an original part that is leaking or has failed due to internal component failure
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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DENSO – First Time Fit Air Fuel Ratio Sensor (Part No.C5015689924ND)

First Time Fit Air Fuel Ratio Sensor

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$187.30
DENSO a global supplier to automakers manufactures an OE-equivalent direct fit air fuel ratio sensor that maintains the quality and performance of the Original Equipment it replaces. DENSO continues to innovate with the latest development in air fuel ratio sensors. These components, also known as wide-band oxygen sensors, have a broader response range to provide much finer control of air/fuel mixtures over a greater variety of operating conditions.

Product Features:
  • Tarnish-proof platinum electrodes provides longer life and maintains accuracy
  • Quick-response planar zirconia element can quickly detect oxygen concentration
  • Measures A/F ratios from approximately 12:1 to 19:1
  • Increased performance by mapping a/f ratios throughout rpm range
  • Reduces emissions by keeping the air-fuel mixture at an optimum ratio
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Delphi – Mass Air Flow Sensor (Part No.AF10165)

Mass Air Flow Sensor

from

$238.99
100% new; Delphi OE Technology Validated to match the vehicle applications; Manufactured to meet or exceed OE requirements

Product Features:
  • Delphi mass air flow sensors are the global benchmark for accuracy and signal noise
  • Delphi mass air flow sensors feature high quality sensing elements for outstanding performance over a wide range of ambient temperatures
  • Delphi is a manufacturer of OE mass air flow sensors since their first use over 30 years ago
  • All parts are calibrated and tested to match the OE part
  • Probe solution offered wherever possible to reduce repair time by eliminating the need to replace the flow tube.
  • Delphi OE technology validated to match the vehicle applications
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Carquest Premium – Engine Crankcase Suction Pump (Part No.EGC1282)

Engine Crankcase Suction Pump

from

$65.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Dorman – 30 AMP 12 Volt 4 Pin Universal Relay (Part No.84601)

30 AMP 12 Volt 4 Pin Universal Relay

from

$9.99
This relay connector is designed to match the appearance and function of the original hardware on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this relay connector matches the appearance and function of the factory hardware on specified applications
  • Ideal solution – this connector is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Carquest Premium – Multi Purpose Relay (Part No.RAA1792)

Multi Purpose Relay

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$16.79
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Elring – EGR Adapter Gasket (Part No.B7102387165ELR)

EGR Adapter Gasket

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$3.34
EGR Adapter Gasket

Elring – Elring EGR Valve Gasket (Part No.B7100180816ELR)

Elring EGR Valve Gasket

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$5.90
The Elring EGR Valve Gasket is a high quality Original Equipment replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Premium Original Equipment replacement
  • Provides performance and dependability
  • Manufactured to meet OE specifications
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Carquest Premium – Secondary Air Injection Pump Check Valve (Part No.EGA1181)

Secondary Air Injection Pump Check Valve

from

$49.99
The Secondary Air Injection system is an emission control device designed to pump fresh air into the engine exhaust system to reduce harmful emissions and convert the emission into harmless water vapor via a chemical reaction. These systems were used heavily in the pre-catalytic converter emission control period but found some application in vehicles with catalytic converter systems.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
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Carquest Premium – Fuel Cap Tester Adapter (Part No.12426)

Fuel Cap Tester Adapter

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$43.99
Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.

Product Features:
  • BAR Certified adapters
  • Adapter check’s a fuel cap’s ability to hold pressure.
  • Adapters meet EPA standards for recommended fleet coverage.
  • Check adapter application chart for specific makes and models
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ACDelco – Fuel Injector Fuel Feed and Return Pipe O-Ring Kit with Seals with 2 O-Rings (Part No.217-3414)

Fuel Injector Fuel Feed and Return Pipe O-Ring Kit with Seals with 2 O-Rings

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$10.29
The ACDelco Professional Fuel Injector Seal Kit contains high quality aftermarket replacement components for one or more of the following vehicle systems: ignition, and/or engine fuel management. This premium aftermarket kit contains components that are manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
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Bosch – Bosch Purge Valve (Part No.B708062614BOS)

Bosch Purge Valve

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$50.77
The high-performance TEV canister purge valve constructed of plastic complies with all the requirements of manifold injection and gasoline direct injection.

Product Features:
  • Favorable price-to-performance ratio
  • Optimized triggering when minimal amounts are detected, giving quiet idling
  • Steeper rise of characteristic line
  • High maximum flow Installation on engine generates less noise
  • Integrated protective sieve prevents accumulation of dirt
  • Compact and light
  • Quick and simple fitting
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Elring – Fuel Injector O-Ring (Part No.C101262400ELR)

Fuel Injector O-Ring

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$1.07
Fuel Injector O-Ring

Original Equipment – Relay (Part No.P2020384416OEA)

Relay

from

$12.88
Relay

Delphi – Fuel Tank Cleaning Kit (Part No.FC01)

Fuel Tank Cleaning Kit

from

$12.49
To perform a complete fuel pump replacement, clean the tank every time. Order the Delphi Fuel Tank Cleaning Kit (Part FC01). Remember, the original pump went into a clean fuel tank, to ensure the same level of performance, the new pump should too. 100 ye

Product Features:
  • Helps avoid premature fuel pump failure
  • Lint free towel included
  • Low suds formulation
  • Removes harmful contaminants from the fuel tank
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Rein – Breather Hose (Part No.ABV0183)

Breather Hose

from

$5.99
Rein Automotive OE quality breather hoses fit European vehicles the way the original manufacturer intended. Designed to be direct replacements for OE hoses, Rein hoses are identical to the OEM.

Product Features:
  • Matches original equipment design specifications.
  • Manufactured with high quality materials.
  • Direct fit for easy installation.
  • Resistant to heat, salt, road debris, oil and other contaminants.
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Bosch – Air Temperature Sensors (Part No.C600084793BOS)

Air Temperature Sensors

from

$30.12
Air Temperature Sensors measure the temperature of the incoming air to the engine. This information is provided to the Engine Control Module (ECU) to determine the correct amount of fuel needed for optimum performance and economy.

Product Features:
  • Extreme Temperature range: -40F – +260F
  • Robust Design with High Resistance to Engine Vibrations
  • OE or Better – Quality, Performance, and Function
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Bosch – Fuel Tank Sending Unit (Part No.E2030848445BOS)

Fuel Tank Sending Unit

from

$75.99
The Bosch Fuel Tank Sending Unit is an ideal high quality aftermarket replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Premium aftermarket replacement
  • Provides performance and dependability
  • Manufactured to meet OE specifications for fit, form, and function
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Elring – Fuel Injector Repair (Part No.C10401331259ELR)

Fuel Injector Repair

from

$15.64
Fuel Injector Repair

Vaico – Q+ OE Quality Vacuum Non Return Check Valve (Part No.B2024299234VCO)

Q+ OE Quality Vacuum Non Return Check Valve

from

$43.99
The Vaico Vacuum Non Return Check Valve is a high quality Original Equipment replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Made in Germany OE Quality
  • Premium Original Equipment replacement
  • Provides performance and dependability
  • Manufactured to meet OE specifications Q+ The Seal of Excellence
  • ALWAYS OEM QUALITY
  • ALWAYS MADE IN GERMANY
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2002 Audi A4 Quattro Fuel and Emissions Systems

You count on your 2002 Audi A4 Quattro to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Fuel and Emissions Systems. With 84 Fuel and Emissions Systems ranging in price from $1.07 to $597.99, you’re sure to find everything you need for your 2002 Audi A4 Quattro.

Brands matter. If you want to shop a specific Fuel and Emissions Systems brand, we stock 23 different brands like Felpro, Bosch, and Dorman. 2002 Audi A4 Quattro Fuel and Emissions Systems start as low as $1.07!

One of the best ways to find top quality OEM or aftermarket Fuel and Emissions Systems is by asking professionals. Short of that, you can shop with confidence thanks to our 1,130 extensive product reviews on 2002 Audi A4 Quattro Fuel and Emissions Systems. Some of the top-rated Fuel and Emissions Systems products we carry are Evaporative Emissions Purge Solenoid Valve with 4.5 stars and Mass Air Flow (MAF) Sensor with 5.0 stars.

Did we mention you can order your Fuel and Emissions Systems from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Fuel and Emissions Systems inventory for your 2002 Audi A4 Quattro below to get started!

Top-Rated Fuel and Emissions Systems Brands For Your 2002 Audi A4 Quattro

Trusted Fuel and Emissions Systems OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2002 Audi A4 Quattro running right for years to come. In our inventory you’ll find brands like Felpro, Bosch, Dorman, and even more.

Popular Hitachi Fuel and Emissions Systems

You’ll find popular Hitachi brand products across Fuel Injectors. All are waiting to get your 2002 Audi A4 Quattro back on the road. Some of the top-rated Hitachi products in these categories are:
Mass Air Flow Sensor
from $164.99
(2)
Mass Air Flow Sensor
Air Flow Meters and Mass Air

Top-Rated Bosch Fuel and Emissions Systems


If Bosch are what you’re looking for, our inventory holds plenty. We stock Bosch brand Fuel and Emissions Systems for your 2002 Audi A4 Quattro, and some of our most reviewed Bosch parts include:

FAQs for 2002 Audi A4 Quattro Fuel and Emissions Systems

What are the most purchased Fuel and Emissions Systems for the 2002 Audi A4 Quattro?

Out of 84 Fuel and Emissions Systems for the 2002 Audi A4 Quattro, the most popular in our inventory are:
Fuel Injector O-Ring Kit
from $7.49
(109)
Fuel Injector O-Ring Kit
Fuel Injector O-Ring Kits
30 AMP 12 Volt 4 Pin Universal Relay
from $9.99
(8)
30 AMP 12 Volt 4 Pin Universal Relay
Vacuum Pump Relay
Fuel Tank Cleaning Kit
from $12.49
This product is not rated
Fuel Tank Cleaning Kit
Fuel Tank Cleaning Kits

What are the top-rated 2002 Audi A4 Quattro Fuel and Emissions Systems?

Top-rated Fuel and Emissions Systems for your 2002 Audi A4 Quattro based on customer reviews/ratings are:
Evaporative Emissions Purge Solenoid Valve
from $52.99
(11)
Evaporative Emissions Purge Solenoid Valve
“Fits my 07 Silverado 2500 classic, turned the EVAP code off. Old ones valve was stuck in the open position allowing vapor to constantly flow into the”
Mass Air Flow (MAF) Sensor
from $169.99
(2)
Mass Air Flow (MAF) Sensor
“I know the price is really high for this part, but if you want reliability, efficiency and performance to be as it should, do not skimp on your MAF an”
Fuel Cap: 10835, Screw On, Direct Fit, Provides Tight Seal, 1 Pack
from $12.99
(2)
Fuel Cap: 10835, Screw On, Direct Fit, Provides Tight Seal, 1 Pack
“After reaching the gas station and opening the door to the gas tank, I discovered my gas cap was not there. The check engine light came on the dash a ”