1998 Audi A4 Quattro Fuel and Emissions Systems

Essential 1998 Audi A4 Quattro Fuel and Emissions Systems

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 – Oxygen Sensor (Part No.C50101333737BOS)

Oxygen Sensor

from

$199.31
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 sensors are subjected. Each element is incredibly strong for best-in-class performance and maximum service life.

Product Features:
  • OE-Equivalent.
  • Direct fit for easy installation.
  • OE Style connectors and wire lengths.
  • Base ceramic probe of Zirconium and Yttrium.
  • Patented Platinum Power Grid.
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Original Equipment – MAP Sensor (Part No.C7044666815OEA)

MAP Sensor

from

$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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Dorman – Secondary Air Injection Pump (Part No.306-029)

Secondary Air Injection Pump

from

$597.99
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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Original Equipment – Intake Air Temperature Sensor (Part No.C6000769094OEA)

Intake Air Temperature Sensor

from

$76.48
The Original Equipment Intake Air Temperature Sensor 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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Carquest Premium – Idle Air Control Valve (Part No.ABC3768)

Idle Air Control Valve

from

$304.99
The Idle Air Control valve is an electronic device used by the engine control module (ECM) to control engine idle speed. The control valve will be mounted in the throttle body on the engine and allows air to bypass the throttle plate during a closed throttle condition. The valve is also used on many applications to control vehicle speed when the vehicle cruise control is engaged, the ECM will allow air to bypass the throttle plate while monitoring vehicle speed and other signal inputs.

Product Features:
  • Robust design increases durability due to heat, shock, and random electro-magnetic pulses (EMP) and power spikes.
  • Precision-wound coated copper windings increase product durability and life cycle.
  • Application matched to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • 100% end-of-line tested to ensure confidence and product reliability.
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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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Bosch – Bosch Purge Valve (Part No.B708062614BOS)

Bosch Purge Valve

from

$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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Carquest Premium – Electric Fuel Pump Inertia Switch (Part No.SBA4426)

Electric Fuel Pump Inertia Switch

from

$84.99
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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Elring – Fuel Injector O-Ring (Part No.C101262400ELR)

Fuel Injector O-Ring

from

$1.07
Fuel Injector O-Ring

Bosch – Bosch Fuel Pressure Regulator (Part No.C300056477BOS)

Bosch Fuel Pressure Regulator

from

$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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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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Felpro – Fuel Injection Throttle Body Mounting Gasket (Part No.61330)

Fuel Injection Throttle Body Mounting Gasket

from

$5.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Delphi – Mass Air Flow Sensor (Part No.AF10157)

Mass Air Flow Sensor

from

$199.99
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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Wells Vehicle Electronics – Fuel Injection Pressure Regulator (Part No.5G1568)

Fuel Injection Pressure Regulator

from

$52.99
WVE is a leading source of advanced vehicle electronics components for replacement applications in the automotive aftermarket and original equipment applications. WVE offers high-technology manufacturing along with innovative solutions and improvements to
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Elring – Fuel Injector Repair (Part No.C10401331259ELR)

Fuel Injector Repair

from

$15.64
Fuel Injector Repair

BLAU – Fuel Tank (Gas) Cap (Part No.E201031981BLA)

Fuel Tank (Gas) Cap

from

$45.39
Blau Fuel Tank Caps are manufactured to meet OE quality, and performance for reliable operation.

Product Features:
  • Meets OE vehicle standards
  • Factory type retaining strap for user convenience
  • OE quality seal ensures fuel tank emissions are maintained preventing check engine warnings.
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Elring – EGR Adapter Gasket (Part No.B7102387165ELR)

EGR Adapter Gasket

from

$3.34
EGR Adapter Gasket

Kayser – Vacuum Check Valve (Part No.O404032232KAY)

Vacuum Check Valve

from

$23.71
Vacuum Check Valve

Delphi – Fuel Pump Module Assembly: With Float Arm, Seal (Part No.FG0977)

Fuel Pump Module Assembly: With Float Arm, Seal

from

$342.99
100 years of OE experience, supplier to the world’s top automakers, OE Heritage and knowledge built into every aftermarket part, comprehensive portfolio for a wide range of vehicles and model years.

Product Features:
  • Delphi is a global OE manufacturer and all fuel pumps are built to Delphi’s OE standards
  • Empty float height and float retention matches OE specifications and guarantees correct gas gauge reading
  • Lower amperage draws less load on vehicle’s electrical system
  • Part is validated, tested and matched to the right vehicle application
  • Always be sure to check and clean fuel tank to avoid unnecessary returns
  • Lower failure rates due to its innovative design and durability
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Pierburg – Secondary Air Inj. S (Part No.B7067242629APG)

Secondary Air Inj. S

from

$93.21
Secondary Air Inj. S

Carquest Premium – Multi Purpose Relay (Part No.RAA1792)

Multi Purpose Relay

from

$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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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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Carquest Premium – Exhaust Gas Recirculation (EGR) Valve Gasket (Part No.EVA1107)

Exhaust Gas Recirculation (EGR) Valve Gasket

from

$12.99
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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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 – Fuel Cap Tester Adapter (Part No.12426)

Fuel Cap Tester Adapter

from

$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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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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Bosch – Bosch Oxygen Sensor (Part No.C501064384BOS)

Bosch Oxygen Sensor

from

$81.29
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 sensors are subjected. Each element is incredibly strong for best-in-class performance and maximum service life.

Product Features:
  • OE-Equivalent.
  • Direct fit for easy installation.
  • OE Style connectors and wire lengths.
  • Base ceramic probe of Zirconium and Yttrium.
  • Patented Platinum Power Grid.
See More

1998 Audi A4 Quattro Fuel and Emissions Systems

You count on your 1998 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 81 Fuel and Emissions Systems ranging in price from $1.07 to $556.04, you’re sure to find everything you need for your 1998 Audi A4 Quattro.

Brands matter. If you want to shop a specific Fuel and Emissions Systems brand, we stock 26 different brands like Felpro, Dorman, and Delphi. 1998 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 401 extensive product reviews on 1998 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 Oxygen Sensor: 4 Wire, 24.02" Long, Heated, Universal with 3.0 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 1998 Audi A4 Quattro below to get started!

Top-Rated Fuel and Emissions Systems Brands For Your 1998 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 1998 Audi A4 Quattro running right for years to come. In our inventory you’ll find brands like Felpro, Dorman, Delphi, 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 1998 Audi A4 Quattro back on the road. Some of the top-rated Hitachi products in these categories are:
Air Flow Sensor - New Actual OE Part
from $279.99
(1)
Air Flow Sensor – New Actual OE Part
Air Flow Meters and Mass Air

Top-Rated Fuel and Emissions Systems


If are what you’re looking for, our inventory holds plenty. We stock brand Fuel and Emissions Systems for your 1998 Audi A4 Quattro, and some of our most reviewed parts include:
Fuel Injector O-Ring Kit
from $7.49
(109)
Fuel Injector O-Ring Kit
Fuel Injector O-Ring Kits

FAQs for 1998 Audi A4 Quattro Fuel and Emissions Systems

What are the most purchased Fuel and Emissions Systems for the 1998 Audi A4 Quattro?

Out of 81 Fuel and Emissions Systems for the 1998 Audi A4 Quattro, the most popular in our inventory are:
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 1998 Audi A4 Quattro Fuel and Emissions Systems?

Top-rated Fuel and Emissions Systems for your 1998 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”
Oxygen Sensor: 4 Wire, 24.02" Long, Heated, Universal
from $100.99
(2)
Oxygen Sensor: 4 Wire, 24.02" Long, Heated, Universal
“Great price”