1981 Audi Coupe Fuel and Emissions Systems

Essential 1981 Audi Coupe Fuel and Emissions Systems

ACDelco – Multi-Purpose Wire Connector with Leads (Part No.PT2164)

Multi-Purpose Wire Connector with Leads

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$16.79
ACDelco Professional Air Charge Temperature Sensor Connector is a high quality aftermarket replacement component for one or more of the following vehicle systems: ignition, starting and charging, body-electrical and lighting, and/or engine fuel management. This premium aftermarket connector is 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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Elring – Cold Start Valve Gasket (Part No.C400155249ELR)

Cold Start Valve Gasket

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$2.76
Cold Start Valve Gasket

Kayser – Vacuum Check Valve (Part No.O404032232KAY)

Vacuum Check Valve

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$23.71
Vacuum Check Valve

Bosch – Relay (Part No.P202013241BOS)

Relay

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$36.43
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.
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Carquest Premium – Fuel Cap: 10810, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10810)

Fuel Cap: 10810, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack

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$9.49
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.

Product Features:
  • Passes all state and federal emissions tests
  • Manufactured from durable, long-life materials
  • Reduces air pollution with proper sealing and venting
  • Independently tested for emission control
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Carquest Premium – Locking Fuel Cap: 10582, Push In, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10582)

Locking Fuel Cap: 10582, Push In, Direct Fit, Provides Tight Seal, 1 Pack

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$19.79
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.

Product Features:
  • Protects your fuel from theft and vandalism
  • Passes all state and federal emissions tests
  • Manufactured from durable, long-life materials
  • Reduces air pollution with proper sealing and venting
  • Independently tested for emission control
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Bosch – Bosch Fuel Accumulator (Part No.E400024541BOS)

Bosch Fuel Accumulator

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$181.88
Bosch is a global leader in the engineering and manufacture of the original equipment Fuel Accumulator for K-JETRONIC fuel injection systems. Starting and running problems occur when the fuel accumulator is defective. All K-JETRONIC fuel injection systems use the fuel accumulator to assist in preventing hot start vapor lock and keeping the pressure and flow in the fuel distributor consistent. The accumulator contains an internal spring-loaded diaphragm that prevents vapor lock by keeping the system pressurized after the engine has been shut off. If the K-JETRONIC equipped vehicle is having warm start problems, it is likely the fuel accumulator has failed.

Product Features:
  • Original Equipment Supplier
  • Sturdy compact design
  • Withstands the most severe operating conditions
  • Engineered to the exact OEM specifications
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Bosch – Bosch Fuel Accumulator (Part No.E400027486BOS)

Bosch Fuel Accumulator

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$177.30
Bosch is a global leader in the engineering and manufacture of the original equipment Fuel Accumulator for K-JETRONIC fuel injection systems. Starting and running problems occur when the fuel accumulator is defective. All K-JETRONIC fuel injection systems use the fuel accumulator to assist in preventing hot start vapor lock and keeping the pressure and flow in the fuel distributor consistent. The accumulator contains an internal spring-loaded diaphragm that prevents vapor lock by keeping the system pressurized after the engine has been shut off. If the K-JETRONIC equipped vehicle is having warm start problems, it is likely the fuel accumulator has failed.

Product Features:
  • Original Equipment Supplier
  • Sturdy compact design
  • Withstands the most severe operating conditions
  • Engineered to the exact OEM specifications
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DENSO – Oxygen Sensor: Upstream, 3 Wire, 49.49" Long, Heated, Exact Fit (Part No.234-3048)

Oxygen Sensor: Upstream, 3 Wire, 49.49" Long, Heated, Exact Fit

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$97.99
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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NTK – Switching Oxygen Sensor: 1 Wire, 19" Long, Non-Heated, Direct Fit (Part No.23044)

Switching Oxygen Sensor: 1 Wire, 19" Long, Non-Heated, Direct Fit

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$36.99
NTK is the world’s largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle’s on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. Providing constant closed loop feedback to the ECU, oxygen sensors help to control the air-fuel ratio while alerting OBDII systems of possible problems with fuel delivery or catalytic converter efficiency. A ceramics company at our core, NTK uses state-of-the art technology enabling control of the ceramic element used in our oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:
  • OEM QUALITY: NTK is the world’s largest supplier of original equipment oxygen sensors with renowned quality that meets or exceeds OEM specifications
  • PRODUCT ENGINEERING: Based on OE expertise, but specifically engineered for the aftermarket, NTK Oxygen Sensors offer superior OE fit, form, function
  • OE TECHNOLOGY: Upgraded to the latest OE technologies, NTK Oxygen Sensors are designed to reduce OE failures, enhance durability and performance
  • EXTENSIVE TESTING: OE development includes vibration and thermal shock testing. Testing during manufacturing guarantees quality and reliability
  • EASY INSTALLATION: NTK Oxygen Sensors are equipped with OE specified, water-resistant connectors and harness accessory hardware for easy installation
  • ADVANCED CERAMIC SENSOR ELEMENT: 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects against element poisoning
  • NTK ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with best durability
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Carquest Premium – Exhaust Gas Recirculation (EGR) Valve Gasket (Part No.EVA1107)

Exhaust Gas Recirculation (EGR) Valve Gasket

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$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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Bosch – Relay (Part No.P202039707BOS)

Relay

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$14.56
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.
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CRP – Hose – Fuel (Part No.4L30010819CRP)

Hose - Fuel

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$112.76
Hose – Fuel

Bosch – Check Valve (Part No.E303027424BOS)

Check Valve

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$41.56
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.
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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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Bosch – Fuel Injector 62354: New (Part No.62278)

Fuel Injector 62354: New

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$71.99
Bosch Port Fuel Injectors (PFI) have a robust design and are capable of using Ethanol fuel (E100). All Bosch fuel injectors released to the aftermarket are OE fit, form and function, and are produced to OE specifications. The Bosch fuel injector has a return rate of 1 part per million (PPM), making Bosch the industry benchmark. Bosch is a recognized OE leader in fuel systems technology, with more than 45 years of gasoline fuel injection experience. The fuel injection program provides vast coverage for Domestic, European, And Asian vehicles.

Product Features:
  • Guaranteed OE fit, form and function
  • Manufactured of the highest quality materials
  • Provides precision flow and original spray pattern for optimal performance
  • Product includes top and bottom mounting o-ring
  • Maintains new-car smoothness and drivability
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Bosch – Port Fuel Injector (Part No.C100013518BOS)

Port Fuel Injector

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$63.68
Port Fuel Injection (PFI) is the world’s most widely used system for internal combustion engines and offers many advantages for engines with a low pressure output.

Product Features:
  • Low-pressure systems are less complex and more affordable than high-pressure systems
  • Robust combustion process tolerates lower-quality fuel
  • Maintenance-friendly design reduces the overhead for system diagnostics
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Bosch – Port Fuel Injector (Part No.C100013516BOS)

Port Fuel Injector

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$75.58
Port Fuel Injection (PFI) is the world’s most widely used system for internal combustion engines and offers many advantages for engines with a low pressure output.

Product Features:
  • Low-pressure systems are less complex and more affordable than high-pressure systems
  • Robust combustion process tolerates lower-quality fuel
  • Maintenance-friendly design reduces the overhead for system diagnostics
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Bosch – Fuel Injector 62688: New (Part No.62684)

Fuel Injector 62688: New

from

$87.99
Bosch Port Fuel Injectors (PFI) have a robust design and are capable of using Ethanol fuel (E100). All Bosch fuel injectors released to the aftermarket are OE fit, form and function, and are produced to OE specifications. The Bosch fuel injector has a return rate of 1 part per million (PPM), making Bosch the industry benchmark. Bosch is a recognized OE leader in fuel systems technology, with more than 45 years of gasoline fuel injection experience. The fuel injection program provides vast coverage for Domestic, European, And Asian vehicles.

Product Features:
  • Guaranteed OE fit, form and function
  • Manufactured of the highest quality materials
  • Provides precision flow and original spray pattern for optimal performance
  • Product includes top and bottom mounting o-ring
  • Maintains new-car smoothness and drivability
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Bosch – Oxygen Sensor (Part No.C501065218BOS)

Oxygen Sensor

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$48.21
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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NTK – NTK Oxygen Sensor (Part No.C501062963NTK)

NTK Oxygen Sensor

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$54.04
NTK is the world’s largest supplier and manufacturer of original equipment oxygen sensors. NTK oxygen sensors meet or exceed original equipment specifications and are equipped with waterproof factory fitted connectors to ensure a perfect fit every time. Every NTK oxygen sensor is individually tested to ensure the highest level of quality and reliability.

Product Features:
  • OE-Equivalent.
  • Direct fit for easy installation.
  • Extensively Tested During Manufacture to Guarantee Quality and Reliability
  • Supplied With a Factory-Fitted OEM Connector for Easy Installation
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APA/URO Parts – Vacuum Check Valve (Part No.O404032232APA)

Vacuum Check Valve

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$9.86
Vacuum Check Valve

1981 Audi Coupe Fuel and Emissions Systems

You count on your 1981 Audi Coupe 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 20 Fuel and Emissions Systems ranging in price from $2.76 to $181.88, you’re sure to find everything you need for your 1981 Audi Coupe.

Brands matter. If you want to shop a specific Fuel and Emissions Systems brand, we stock 9 different brands like Delphi, Bosch, and Carquest Premium. 1981 Audi Coupe Fuel and Emissions Systems start as low as $2.76!

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 39 extensive product reviews on 1981 Audi Coupe Fuel and Emissions Systems.

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 1981 Audi Coupe below to get started!

Top-Rated Fuel and Emissions Systems Brands For Your 1981 Audi Coupe

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 1981 Audi Coupe running right for years to come. In our inventory you’ll find brands like Delphi, Bosch, Carquest Premium, and even more.

Popular Bosch Fuel and Emissions Systems

You’ll find popular Bosch brand products across Oxygen Sensors. All are waiting to get your 1981 Audi Coupe back on the road. Some of the top-rated Bosch products in these categories are:

FAQs for 1981 Audi Coupe Fuel and Emissions Systems

What are the most purchased Fuel and Emissions Systems for the 1981 Audi Coupe?

Out of 20 Fuel and Emissions Systems for the 1981 Audi Coupe, the most popular in our inventory are:
Fuel Tank Cleaning Kit
from $12.49
This product is not rated
Fuel Tank Cleaning Kit
Fuel Tank Cleaning Kits