2002 Audi A4 Fuel and Emissions Systems

Essential 2002 Audi A4 Fuel and Emissions Systems

Bosch – Fuel Injector O-Ring (Part No.C1012290582BOS)

Fuel Injector O-Ring

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$7.00
Bosch is one of the largest global suppliers of automotive products, developing, manufacturing and supplying precision OE components and systems to vehicle manufacturers and the automotive aftermarket. 9.3×2.62mm
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Dorman – Mass Air Flow Sensor Connector (Part No.645-924)

Mass Air Flow Sensor Connector

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$29.99
This mass air flow sensor 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 mass air flow sensor 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 – Fuel Injector Seal Kit (Part No.274831)

Fuel Injector Seal Kit

from

$16.05
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:
  • Designed to OE standards for ease of installation
  • High-quality materials withstand extreme conditions
  • Undergoes extensive testing to ensure reliability
  • As a global manufacturer of automotive aftermarket products, we maintain complete quality control throughout the manufacturing process
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Bosch – Bosch Fuel Pressure Regulator (Part No.C300056477BOS)

Bosch Fuel Pressure Regulator

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$51.73
An essential part of the Fuel System, the Fuel Pressure Regulators’ sole purpose is to maintain fuel pressure at a constant differential to manifold vacuum under all engine load conditions.

Product Features:
  • Corrosion resistant housing material
  • Premium diaphragm materials for longer service life
  • Internal precision components maintain stable fuel pressure and ensure adequate fuel return
  • Meets or exceeds OEM specifications
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Carquest Premium – Remanufactured Fuel Injector (Part No.A212-1605)

Remanufactured Fuel Injector

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$44.49
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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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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Elring – Throttle Body Gasket (Part No.C7001266070ELR)

Throttle Body Gasket

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$5.85
Throttle Body Gasket

Carquest Premium – Ambient Air Temperature Sensor (Part No.WTA2018)

Ambient Air Temperature Sensor

from

$60.99
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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Cardone – Mass Air Flow Sensor (Part No.74-10020)

Mass Air Flow Sensor

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$167.99
CARDONE Remanufactured Mass Air Flow Sensors (MAFS) precisely track O.E. output curves and maintain specific tolerances to ensure accurate scan tool readings for proper operation. 100% re-soldering of critical components ensures superior electrical connections, eliminates intermittent failures and lengthens product life. With CARDONE Mass Air Flow Sensors (MAFS), you can expect smooth vehicle performance.

Product Features:
  • 100% re-solder of critical components ensures superior electrical connections, no intermittent failures and longer product life.
  • On-car vehicle validation routines ensure that modules meet all form, fit, durability and performance requirements.
  • All modules are 100% tested with automated computer test equipment to ensure full functionality and reliability.
  • Our sensors precisely track O.E. output curves and maintain spec tolerances to ensure accurate feedback to the vehicle’s engine control management system.
  • Components are rated to handle demanding temperature variations for optimum reliability in every environment.
  • As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
  • Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80%.
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Rein – Cap-Fuel (Part No.CPF0023P)

Cap-Fuel

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$13.99
Rein OE Quality Fuel Cap
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Original Equipment – MAP Sensor (Part No.C7044666815OEA)

MAP Sensor

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$47.94
Original Equipment Manifold Absolute Pressure/Manifold Air Temperature Sensors are designed to perform in harsh environments such as extreme temperatures and vibration, thermal and mechanical shock. The Original Equipment Manifold Absolute Pressure sensor is the ORIGINAL part, supplied in a plain box, with the car manufacturer’s logo on the part.

Product Features:
  • Designed for under-hood environments
  • All-silicon, solid-state microelectronic technology
  • Temperature compensation
  • Electromagnetic interference (EMI) protection
  • Air temperature output
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Carquest Premium – Engine Crankcase Suction Pump (Part No.EGC1282)

Engine Crankcase Suction Pump

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$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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Carquest Premium – Fuel Pump Module Assembly (Part No.E8294M)

Fuel Pump Module Assembly

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$252.99
CARQUEST fuel pump modules offer OEM or better performance from an Original Equipment Supplier. The latest advancements in fuel delivery technology are built-in to every CARQUEST Fuel Pump to deliver greater reliability.

Product Features:
  • Every single pump is 100% tested throughout the entire manufacturing process for worry free, out-of-the-box performance
  • Triple barb hose fitting provides superior, long-lasting seal
  • Superior return porting for optimum fuel flow
  • Enhanced pump to flange harness design provides worry-free electrical performance
  • Ceramic sender card and float arm that utilizes vehicle-specific geometry to ensure accurate fuel gauge readings for each and every application
  • Gradient density, dual zone filtration designed for better contamination resistance
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Delphi – Fuel Tank Cleaning Kit (Part No.FC01)

Fuel Tank Cleaning Kit

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

Elring EGR Valve Gasket

from

$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 – Multi Purpose Relay (Part No.RAA1816)

Multi Purpose Relay

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$55.99
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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Vaico – Air Pump (Part No.B6010322330VCO)

Air Pump

from

$297.71
Air Pump

Elring – EGR Adapter Gasket (Part No.B7102387165ELR)

EGR Adapter Gasket

from

$3.34
EGR Adapter Gasket

Vemo – Air Temp. Sensor (Part No.C60002930617VMO)

Air Temp. Sensor

from

$46.60
Air Temp. Sensor

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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ACERA – ACERA Oxygen Sensor (Part No.C5010566952ACR)

ACERA Oxygen Sensor

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$35.93
ACERA’s patented Oxygen / Lambda sensor technology is crafted with the highest precision an designed to endure the toughest environment in the vehicles exhaust system. ACERA has over 20 years of experience in research, and developing, Oxygen Sensors and is one of the few manufacturers in the world that actually integrates the Zirconium Oxide ceramic technology directly into the sensor’s core. Starting with the research and development to formulate the YSZ powder, ACERA then integrates the patented Zirconium Oxide (ZrO2) ceramic center core producing a highly durable, long lasting oxygen sensor that provides a much quicker time to operational temperature with minimal variation. To ensure the highest quality and stability, every new oxygen sensor undergoes a pressurized sealing test as well as a multifunction simulated exhaust bench test.

Product Features:
  • Premium OE Connector
  • Premium stainless steel body protecting against extreme heat and corrosion
  • Double layer protection for added durability and long life
  • Monolithic ceramic element allowing faster operating temperature
  • Aluma element surface minimizing thermal variation
  • Aluma protection layer that protects the sensor catalyst from harmful gas
  • Isolated circuitry that reduces signal noise
  • Patented Zirconium Oxide (ZrO2) material
  • 100% inspection and testing of product functions on every sensor
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Bosch – Oxygen Sensor: 4 Wire, 24.92" Long, Heated, Universal (Part No.15733)

Oxygen Sensor: 4 Wire, 24.92" Long, Heated, Universal

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$80.99
Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation advancements. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.  Bosch oxygen sensors deliver exceptional OE level reliability, performance and durability, further improving service life of the product. 

Product Features:
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Includes Smart Link Connector, no soldering required
  • No special tools required for installation
  • Seared protection tube due to 100% functional quality test
  • Performance meets or exceeds 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 Pump Relay (Part No.RAA2248)

Fuel Pump Relay

from

$14.99
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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Kayser – Vacuum Check Valve (Part No.O404032232KAY)

Vacuum Check Valve

from

$23.71
Vacuum Check Valve

Dorman – Evaporative Emissions Purge Solenoid Valve (Part No.911-800)

Evaporative Emissions Purge Solenoid Valve

from

$52.99
Engineered for a perfect fit and plug-and-play installation, this vapor canister purge valve is a direct replacement for the original equipment purge valve. It is critical to the evaporative emissions system and fulfills government requirements.

Product Features:
  • Direct replacement – this vapor canister purge valve fits and functions like original equipment to ensure proper function of your vehicle’s evaporative emissions system
  • Quality construction – manufactured from premium materials for a long service life
  • Excellent value – original equipment quality at a lower price
  • Quality tested – has undergone testing to ensure proper fit and performance
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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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2002 Audi A4 Fuel and Emissions Systems

You count on your 2002 Audi A4 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 83 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.

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 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 565 extensive product reviews on 2002 Audi A4 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 below to get started!

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

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 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 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, and some of our most reviewed Bosch parts include:

FAQs for 2002 Audi A4 Fuel and Emissions Systems

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

Out of 83 Fuel and Emissions Systems for the 2002 Audi A4, 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 Fuel and Emissions Systems?

Top-rated Fuel and Emissions Systems for your 2002 Audi A4 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 ”