2021 Audi A6 Quattro Engine Parts

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Essential Engine Parts for 2021 Audi A6 Quattros

Carquest Premium – Camshaft Sensor (Part No.CSC1138)

Camshaft Sensor

from

$32.99
A leader in vehicle electronic solutions, each premium product meets or exceeds OE specifications in appearance, fit, and function, ensuring easy installation and excellent performance. The product has been tested under extreme environments.

Product Features:
  • Reliable circuit board and product structure design, 3D proofing, and field test verification to ensure correct signal output at all speeds.
  • Manufactured in an anti-static environment to ensure reliability and stability.
  • Extreme temperature and salt spray tests simulate real-world vehicle conditions to ensure durability and reliability.
  • Providing this premium product line, we meet the service professionals needs with the highest quality product every time the part comes out of the box.
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Carquest Premium – Camshaft Sensor (Part No.CSC1209)

Camshaft Sensor

from

$79.99
A leader in vehicle electronic solutions, each premium product meets or exceeds OE specifications in appearance, fit, and function, ensuring easy installation and excellent performance. The product has been tested under extreme environments.

Product Features:
  • Reliable circuit board and product structure design, 3D proofing, and field test verification to ensure correct signal output at all speeds.
  • Manufactured in an anti-static environment to ensure reliability and stability.
  • Extreme temperature and salt spray tests simulate real-world vehicle conditions to ensure durability and reliability.
  • Providing this premium product line, we meet the service professionals needs with the highest quality product every time the part comes out of the box.
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Driveworks – Crankshaft Seal (Part No.S-716102)

Crankshaft Seal

from

$9.29
Product Features:
  • Brand may vary by location
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Felpro – Engine Crankshaft Seal Kit (Part No.TCS 46138)

Engine Crankshaft Seal Kit

from

$16.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
  • Includes all the parts necessary to complete the repair unless otherwise noted
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URO Parts – Engine Oil Cooler (Part No.06L117021E)

Engine Oil Cooler

from

$46.99
For European vehicles, A.P.A. manufactures the URO Parts brand of quality replacement parts, which meet or exceed OEM specifications. URO Parts components are ideal for both professional and DIY vehicle repair, and are often the exclusive aftermarket alternative to overpriced ¿Genuine¿ components. By reducing deferred maintenance with URO Parts, you will increase the bottom line of your business. With its URO Premium line, A.P.A. offers problem-solving upgraded components that are superior to failure-prone OEM parts in design and/or materials. A.P.A. is so confident in the longevity and reliability of URO Premium products, . URO Parts also specializes in accurate reproduction parts for classic vehicles, including a huge variety of items that are no longer available from the dealer.

Product Features:
  • Guaranteed fitment
  • Direct-fit replacement design instantly restores proper engine oil cooler performance
  • OE-style line connections for easy installation
  • Manufactured using high-quality materials to withstand intense lubrication system heat and pressure
  • Designed and tested for reliability and long life
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URO Parts – Engine Oil Cooler (Part No.06E117021L)

Engine Oil Cooler

from

$54.99
For European vehicles, A.P.A. manufactures the URO Parts brand of quality replacement parts, which meet or exceed OEM specifications. URO Parts components are ideal for both professional and DIY vehicle repair, and are often the exclusive aftermarket alternative to overpriced ¿Genuine¿ components. By reducing deferred maintenance with URO Parts, you will increase the bottom line of your business. With its URO Premium line, A.P.A. offers problem-solving upgraded components that are superior to failure-prone OEM parts in design and/or materials. A.P.A. is so confident in the longevity and reliability of URO Premium products, . URO Parts also specializes in accurate reproduction parts for classic vehicles, including a huge variety of items that are no longer available from the dealer.

Product Features:
  • Guaranteed fitment
  • Direct-fit replacement design instantly restores proper engine oil cooler performance
  • OE-style line connections for easy installation
  • Manufactured using high-quality materials to withstand intense lubrication system heat and pressure
  • Designed and tested for reliability and long life
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Dorman – Engine Oil Cooler (Part No.918-948)

Engine Oil Cooler

from

$403.99
This engine oil cooler is designed to match the fit and function of an original equipment cooler on specified vehicles. It is engineered to help maintain proper engine oil temperature when an original cooler has failed from heat, corrosion or damage.

Product Features:
  • Direct replacement – this engine oil cooler is designed to match the fit and function of an original equipment cooler on specified vehicles
  • Ideal solution – engineered to help maintain proper engine oil temperature when an original cooler has failed from heat, corrosion or damage
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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Victor Reinz – Fuel Pump Gasket (Part No.41-77593-00)

Fuel Pump Gasket

from

$6.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
See More

Felpro – Multi-Purpose O-Ring (Part No.71857)

Multi-Purpose O-Ring

from

$4.99
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
  • Design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Sealed Power – Engine Assembly Lubricant (Part No.55-400)

Engine Assembly Lubricant

from

$10.49
Sealed Power parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • Formulated for pre-lubrication cam lobes, lifters & engine bearings
  • Increases load carrying capacity
  • Holds fast to surfaces
  • Exacting tolerances
  • Meets or exceeds OEM specifications
  • 4.0 oz. Squeeze Container
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Melling – Stock Replacement Engine Assembly Lubricant (Part No.M-10012G)

Stock Replacement Engine Assembly Lubricant

from

$113.99
Product Features:
  • Superior Wear Protection – Formulated with extreme pressure additives to protect engine components from metal-to-metal contact during initial startup
  • High Tackiness – Stays in place during assembly and storage, ensuring consistent lubrication exactly where it’s needed
  • Broad Compatibility – Safe for use with all engine components including camshafts, lifters, bearings, and valve train parts
  • Easy Startup Support – Reduces friction and prevents dry starts by providing instant lubrication during first engine fire-up
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Dorman – Variable Valve Timing Solenoid (Part No.916-875)

Variable Valve Timing Solenoid

from

$790.99
This replacement engine variable valve timing (VVT) solenoid is precision-engineered to match the fit and function of the original VVT solenoid. Made of quality materials for a long service life, it has been tested for proper performance.

Product Features:
  • Ideal replacement – this VVT solenoid is professionally engineered to match the function and performance of the stock part on specific vehicle applications
  • Durable construction – this part is made from quality materials to ensure a long service life
  • Excellent value – the VVT solenoid is built to perform like original equipment quality at a competitive price
  • Vehicle tested – has undergone on-vehicle testing to ensure proper fit and performance
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Carquest Premium – Engine Variable Valve Timing (VVT) Solenoid (Part No.SAE4311)

Engine Variable Valve Timing (VVT) Solenoid

from

$663.99
The variable valve timing (VVT) system allows the engine control module (ECM) to regulate the intake and exhaust valve phase angle providing the most optimal engine volumetric efficiency under all engine operating condition to control tailpipe emissions and engine efficiency. Variable valve timing is an emission control device and although there are various methods of operation, the typical device is regulated by oil control valves, actuator solenoids and camshaft phasers.

Product Features:
  • Precision-wound coated copper windings increase product durability and life cycle.
  • Hard-coated and anodized spool valve to prevent corrosion and increase service life.
  • Threaded mounting bolt, hardware, and/or gaskets where applicable for easy installation.
  • Thermoplastic that is resistant to high temperatures, moisture, and chemicals.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure product reliability, every time.
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
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NTK – Engine Variable Valve Timing (VVT) Solenoid (Part No.VV0061)

Engine Variable Valve Timing (VVT) Solenoid

from

$144.99
Building upon a foundation of premium full-line products established under NGK ignition and oxygen sensor products, NTK’s expansion to technical sensors is part of our ongoing commitment to streamline product types and increase coverage under one premium brand NTK, The Sensor Specialist. With over 80 years of automotive expertise, NGK’s family of automotive products are driven by extreme dedication to innovation, performance and quality. is the only OE supplier with a full line of technical sensors in the aftermarket for import and domestic vehicles. Drawing from OE experience, sensors undergo extreme testing conditions that include thermal shock, vibration and OBD verification. sensors are manufactured to ensure a quality that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:
  • NTK’s Variable Valve Timing Solenoids are manufactured to meet and/or exceed OE fit, form and function to ensure proper VVT operation.
  • The VVT solenoids meets the demands of today’s VVT engines at both low and high RPMs.
  • The VVT solenoids include a hard-coat anodized spool valve to prevent corrosion and increase service life.
  • The VVT solenoids include precision-wound, coated-copper windings to increase solenoid longevity.
  • The VVT solenoids are manufactured with a high strength thermoplastic that is resistant to temperature, moisture, and chemicals.
  • The VVT Solenoids are manufactured to precise OE valve body dimensions and utilizes fluorocarbon O-rings to help prevent oil leakage.
  • The VVT Solenoids are 100% tested and inspected to ensure consistent quality with end of production tested in oil to be sure the valve is primed and will work properly upon installation.
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Dayco – Premium Timing Belt, 88.51 Inch With 281 Round Tooth, With Flat Tip (Part No.95330)

Premium Timing Belt, 88.51 Inch With 281 Round Tooth, With Flat Tip

from

$114.99
Manufactured with tough, wear-resistant fabric, high-tensile strength cord and a molded tooth surface, the Dayco timing belt provides consistent slip-proof power transfer and high resistance to oil and engine heat. The belt features a molded cog design which runs quieter and is more economical and a premium, high modulus glass fiber cord that delivers precise length stability to keep the engine running smoothly over the life of the belt.

Product Features:
  • Designed for specific OHC and DOHC applications that range from normal service to high performance, high temperature engines
  • Offers noise reduction and minimum dimensional tolerances for precise valve timing
  • Engineered with reduced elongation for maximum durability, high abrasion resistance and better performance
  • This belt has a round tooth w/ flat tip profile; designed to fit the timing sprockets precisely
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Dayco – Premium Timing Belt, 79.69 Inch With 253 Round Tooth, With Flat Tip (Part No.95297)

Premium Timing Belt, 79.69 Inch With 253 Round Tooth, With Flat Tip

from

$42.99
Manufactured with tough, wear-resistant fabric, high-tensile strength cord and a molded tooth surface, the Dayco timing belt provides consistent slip-proof power transfer and high resistance to oil and engine heat. The belt features a molded cog design which runs quieter and is more economical and a premium, high modulus glass fiber cord that delivers precise length stability to keep the engine running smoothly over the life of the belt.

Product Features:
  • Designed for specific OHC and DOHC applications that range from normal service to high performance, high temperature engines
  • Offers noise reduction and minimum dimensional tolerances for precise valve timing
  • Engineered with reduced elongation for maximum durability, high abrasion resistance and better performance
  • This belt has a round tooth w/ flat tip profile; designed to fit the timing sprockets precisely
See More

Dayco – Premium Timing Belt, 23.75 Inch With 67 Round Tooth, With Flat Tip (Part No.95352)

Premium Timing Belt, 23.75 Inch With 67 Round Tooth, With Flat Tip

from

$24.99
Manufactured with tough, wear-resistant fabric, high-tensile strength cord and a molded tooth surface, the Dayco timing belt provides consistent slip-proof power transfer and high resistance to oil and engine heat. The belt features a molded cog design which runs quieter and is more economical and a premium, high modulus glass fiber cord that delivers precise length stability to keep the engine running smoothly over the life of the belt.

Product Features:
  • Designed for specific OHC and DOHC applications that range from normal service to high performance, high temperature engines
  • Offers noise reduction and minimum dimensional tolerances for precise valve timing
  • Engineered with reduced elongation for maximum durability, high abrasion resistance and better performance
  • Timing marks are applied on the belt for proper installation
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Felpro – Engine Oil Dipstick Tube O-Ring (Part No.73668)

Engine Oil Dipstick Tube O-Ring

from

$2.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

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
  • Includes all parts needed to complete the repair
See More

Carquest Premium – Engine Crankshaft Position Sensor (Part No.CSA1991)

Engine Crankshaft Position Sensor

from

$91.99
Carquest Premium crankshaft position sensors are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium crankshaft and camshaft sensors are engineered with technology that provides increased output accuracy through a stronger, more consistent signal. Our sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium crankshaft and camshaft position sensors undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium sensors are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:
  • Engineered with technology that provides increased accuracy with a stronger, more consistent signal
  • Sensors are based on proven hall effect and variable reluctance technology
  • Includes OE-style brackets, hold downs, hardware, or spacers as needed for each application.
  • O-rings and seals are included if required.
  • Weather-tight connectors prevent leaks and corrosion for better reliability.
  • Extensive design validation testing and 100% end-of-line tested.
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
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Carquest Premium – Engine Crankshaft Position Sensor (Part No.CSC2974)

Engine Crankshaft Position Sensor

from

$244.99
Carquest Premium crankshaft position sensors are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium crankshaft and camshaft sensors are engineered with technology that provides increased output accuracy through a stronger, more consistent signal. Our sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium crankshaft and camshaft position sensors undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium sensors are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:
  • Engineered with technology that provides increased accuracy with a stronger, more consistent signal
  • Sensors are based on proven hall effect and variable reluctance technology
  • Includes OE-style brackets, hold downs, hardware, or spacers as needed for each application.
  • O-rings and seals are included if required.
  • Weather-tight connectors prevent leaks and corrosion for better reliability.
  • Extensive design validation testing and 100% end-of-line tested.
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
See More

Carquest Premium – Engine Crankshaft Position Sensor (Part No.CSC2979)

Engine Crankshaft Position Sensor

from

$105.99
Carquest Premium crankshaft position sensors are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium crankshaft and camshaft sensors are engineered with technology that provides increased output accuracy through a stronger, more consistent signal. Our sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium crankshaft and camshaft position sensors undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium sensors are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:
  • Engineered with technology that provides increased accuracy with a stronger, more consistent signal
  • Sensors are based on proven hall effect and variable reluctance technology
  • Includes OE-style brackets, hold downs, hardware, or spacers as needed for each application.
  • O-rings and seals are included if required.
  • Weather-tight connectors prevent leaks and corrosion for better reliability.
  • Extensive design validation testing and 100% end-of-line tested.
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
See More

Bosch – Crankshaft Position Sensor (Part No.0261210190)

Crankshaft Position Sensor

from

$68.99
Bosch OE quality crankshaft speed sensors with robust design for improved temperature shock stability, with enlarged temperature range and reduced drift during lifetime.

Product Features:
  • Precise digital measurement of rotational speeds
  • OE-technology quality components developed and manufactured to very fine tolerances
  • High resistance against external interference
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Carquest Premium – Engine Crankshaft Position Sensor (Part No.CSA1343)

Engine Crankshaft Position Sensor

from

$86.99
Carquest Premium crankshaft position sensors are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium crankshaft and camshaft sensors are engineered with technology that provides increased output accuracy through a stronger, more consistent signal. Our sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium crankshaft and camshaft position sensors undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium sensors are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:
  • Engineered with technology that provides increased accuracy with a stronger, more consistent signal
  • Sensors are based on proven hall effect and variable reluctance technology
  • Includes OE-style brackets, hold downs, hardware, or spacers as needed for each application.
  • O-rings and seals are included if required.
  • Weather-tight connectors prevent leaks and corrosion for better reliability.
  • Extensive design validation testing and 100% end-of-line tested.
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
See More

Felpro – Engine Valve Cover Gasket Set (Part No.VS 50865 R)

Engine Valve Cover Gasket Set

from

$46.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • ENGINEERED TO PERFORM – Proprietary cork-rubber formulation
  • SUPERIOR SEAL – Highly conformable to accommodate for the imperfect sealing surfaces
  • EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
  • REAL WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road
See More

Victor Reinz – Molded Rubber Valve Cover Gasket Set: Direct Fit, 2 Pieces (Part No.15-10112-01)

Molded Rubber Valve Cover Gasket Set: Direct Fit, 2 Pieces

from

$28.99
Oil drops on the driveway are a distant memory thanks to sophisticated engine valve cover and gasket designs. Victor Reinz is at the forefront of engineering the latest sealing technology. Although the primary task of valve cover gaskets is to seal oil and oil spray, they must withstand high temperatures brought on by nearby exhaust manifolds, exhaust crossovers in the cylinder heads, and EGR systems. Victor Reinz valve cover gaskets deliver the quality materials you demand. Where appropriate, Victor Reinz valve cover gaskets are designed with compression limiters to prevent over-torquing, splitting, or the need to retorque.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
  • Meets or exceeds original equipment specifications.
  • Zero engine leakage for late model vehicles.
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Felpro – VALVE COVER GASKET SET (Part No.VS 50762 R)

VALVE COVER GASKET SET

from

$22.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • ENGINEERED TO PERFORM – Proprietary cork-rubber formulation
  • SUPERIOR SEAL – Highly conformable to accommodate for the imperfect sealing surfaces
  • EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
  • REAL WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road
See More

Victor Reinz – RTV Silicone (Part No.70-31414-10)

RTV Silicone

from

$9.99
Product Features:
  • Resistant to temperatures from -58 Deg. F to 482 Deg. F, and briefly up to 572 Deg. F (-50 Deg. C to 250 Deg. C, briefly to 300 Deg. C)
  • Insignificant shrinkage and loss of mass even in high-heat environments
  • Fast-curing, low-odor, noncorrosive (pH neutral, non-acidic, non-oxidizing), and will not harm oxygen sensors
  • Sealing gap 0.006 in (0.15 mm)
See More

Felpro – Engine Valve Cover Gasket Set (Part No.VS 50866 R)

Engine Valve Cover Gasket Set

from

$43.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • ENGINEERED TO PERFORM – Proprietary cork-rubber formulation
  • SUPERIOR SEAL – Highly conformable to accommodate for the imperfect sealing surfaces
  • EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
  • REAL WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road
See More

Upgrade your 2021 Audi A6 Quattro with Top-Quality Engine Parts

When it comes to maintaining or upgrading your 2021 Audi A6 Quattro, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Audi or enhancing its overall performance, Engine Parts are key to keeping your A6 Quattro functioning at its best. At Advance Auto Parts, we offer a wide selection of 11 Engine Parts for the 2021 Audi A6 Quattro, designed to meet your needs without breaking the bank. From Engine Internal replacements to Engine Gaskets and Seals upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Engine Parts for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Engine Parts for your 2021 Audi A6 Quattro at great prices. Our Engine Parts inventory for this model ranges from just $2.99 to $403.99, with an average price of $75.62. Our 11 Engine Parts in stock come from 6 trusted brands, so you’re sure to find the right part for your 2021 Audi A6 Quattro without overspending.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Engine Part upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 2021 Audi A6 Quattro is always ready to roll. We’re committed to providing you with everything you need to keep your A6 Quattro in top shape, all in one place. Start shopping confidently below for your 2021 Audi A6 Quattro!

Best-Selling Engine Internals for 2021 Audi A6 Quattros

Enhance the driving experience in your Audi with 1 quality Engine Internal components, starting at $17.49.

Victor Reinz – Engine Crankshaft Seal (Part No.81-35553-00)

Engine Crankshaft Seal

from

$17.49
Whether you are a professional technician or a skilled do-it-yourselfer, you need easy access to Victor Reinz quality at every level of the engine all in one box and without any surprises. Protective packaging, informative labels, and state-of-the art electronic cataloging, ensure you receive precisely the gaskets and seals needed for a successful, long-lasting repair.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
See More

Most Popular 2021 Audi A6 Quattro Engine Gaskets and Seals

Customize your Audi with 2 Engine Gaskets and Seals products like Valve Cover Gaskets and Fuel Pump Gaskets, all priced under $9.99.

Victor Reinz – RTV Silicone (Part No.70-31414-10)

RTV Silicone

from

$9.99
Product Features:
  • Resistant to temperatures from -58 Deg. F to 482 Deg. F, and briefly up to 572 Deg. F (-50 Deg. C to 250 Deg. C, briefly to 300 Deg. C)
  • Insignificant shrinkage and loss of mass even in high-heat environments
  • Fast-curing, low-odor, noncorrosive (pH neutral, non-acidic, non-oxidizing), and will not harm oxygen sensors
  • Sealing gap 0.006 in (0.15 mm)
See More

Victor Reinz – Fuel Pump Gasket (Part No.41-77593-00)

Fuel Pump Gasket

from

$6.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
See More

Top Picks for 2021 Audi A6 Quattro Engine Timing Parts

Upgrade Audi A6 Quattros with top-quality Engine Timing Parts parts, including 2 OEM and aftermarket selections for your 2021 model.

Carquest Premium – Engine Variable Valve Timing (VVT) Solenoid (Part No.VVA1195)

Engine Variable Valve Timing (VVT) Solenoid

from

$78.99
The variable valve timing (VVT) system allows the engine control module (ECM) to regulate the intake and exhaust valve phase angle providing the most optimal engine volumetric efficiency under all engine operating condition to control tailpipe emissions and engine efficiency. Variable valve timing is an emission control device and although there are various methods of operation, the typical device is regulated by oil control valves, actuator solenoids and camshaft phasers.

Product Features:
  • Precision-wound coated copper windings increase product durability and life cycle.
  • Hard-coated and anodized spool valve to prevent corrosion and increase service life.
  • Threaded mounting bolt, hardware, and/or gaskets where applicable for easy installation.
  • Thermoplastic that is resistant to high temperatures, moisture, and chemicals.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure product reliability, every time.
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
See More

Dayco – Premium Timing Belt, 23.75 Inch With 67 Round Tooth, With Flat Tip (Part No.95352)

Premium Timing Belt, 23.75 Inch With 67 Round Tooth, With Flat Tip

from

$24.99
Manufactured with tough, wear-resistant fabric, high-tensile strength cord and a molded tooth surface, the Dayco timing belt provides consistent slip-proof power transfer and high resistance to oil and engine heat. The belt features a molded cog design which runs quieter and is more economical and a premium, high modulus glass fiber cord that delivers precise length stability to keep the engine running smoothly over the life of the belt.

Product Features:
  • Designed for specific OHC and DOHC applications that range from normal service to high performance, high temperature engines
  • Offers noise reduction and minimum dimensional tolerances for precise valve timing
  • Engineered with reduced elongation for maximum durability, high abrasion resistance and better performance
  • Timing marks are applied on the belt for proper installation
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In-Demand Camshafts for 2021 Audi A6 Quattros

Select from 1 premium Camshafts parts for your 2021 Audi A6 Quattro.

Carquest Premium – Engine Camshaft Position Sensor (Part No.CSA2666)

Engine Camshaft Position Sensor

from

$61.99
Carquest Premium camshaft position sensors are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium crankshaft and camshaft sensors are engineered with technology that provides increased output accuracy through a stronger, more consistent signal. Our sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium crankshaft and camshaft position sensors undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium sensors are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:
  • Engineered with technology that provides increased accuracy with a stronger, more consistent signal
  • Sensors are based on proven hall effect and variable reluctance technology
  • Includes OE-style brackets, hold downs, hardware, or spacers as needed for each application.
  • O-rings and seals are included if required.
  • Weather-tight connectors prevent leaks and corrosion for better reliability.
  • Extensive design validation testing and 100% end-of-line tested.
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
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Most Sold 2021 Audi A6 Quattro Engine Switches, Sensors and Relays

Explore our best-selling Audi parts for the 2021 A6 Quattro among 2 OEM and aftermarket options starting from $91.99.

Carquest Premium – Engine Crankshaft Position Sensor (Part No.CSC4147)

Engine Crankshaft Position Sensor

from

$109.99
Carquest Premium crankshaft position sensors are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium crankshaft and camshaft sensors are engineered with technology that provides increased output accuracy through a stronger, more consistent signal. Our sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium crankshaft and camshaft position sensors undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium sensors are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:
  • Engineered with technology that provides increased accuracy with a stronger, more consistent signal
  • Sensors are based on proven hall effect and variable reluctance technology
  • Includes OE-style brackets, hold downs, hardware, or spacers as needed for each application.
  • O-rings and seals are included if required.
  • Weather-tight connectors prevent leaks and corrosion for better reliability.
  • Extensive design validation testing and 100% end-of-line tested.
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
See More

Carquest Premium – Engine Crankshaft Position Sensor (Part No.CSA3667)

Engine Crankshaft Position Sensor

from

$91.99
Carquest Premium crankshaft position sensors are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium crankshaft and camshaft sensors are engineered with technology that provides increased output accuracy through a stronger, more consistent signal. Our sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium crankshaft and camshaft position sensors undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium sensors are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:
  • Engineered with technology that provides increased accuracy with a stronger, more consistent signal
  • Sensors are based on proven hall effect and variable reluctance technology
  • Includes OE-style brackets, hold downs, hardware, or spacers as needed for each application.
  • O-rings and seals are included if required.
  • Weather-tight connectors prevent leaks and corrosion for better reliability.
  • Extensive design validation testing and 100% end-of-line tested.
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
See More

FAQs for 2021 Audi A6 Quattro Engine Parts

Which Engine Parts are best-sellers for 2021 Audi A6 Quattros?

Out of 11 Engine Parts that fit 2021 Audi A6 Quattros, the following parts are the top sellers:

What’s the price range for 2021 Audi A6 Quattro Engine Parts?

Engine Part prices for the 2021 Audi A6 Quattro start at $2.99 and go up to $403.99 for the most premium parts.

What’s the average price of a Engine Part for a 2021 Audi A6 Quattro?

The average price for Engine Parts for the 2021 Audi A6 Quattro is $75.62. Keep in mind the variety of part types within our Engine Part category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Engine Parts for other Audi A6 Quattro model years?

Yes, we currently carry Engine Parts for 29 model years of Audi A6 Quattros between 1995 and 2025. Engine Parts are bought most frequently for the following model years: 2023, 2022, 2020, 2019, 2018, 2017, 2016, 2015, and 2014.

What are the cheapest Engine Parts for my 2021 Audi A6 Quattro?

The cheapest 2021 Audi A6 Quattro Engine Parts we carry in stock are:

What types of Engine Parts do you sell for my 2021 Audi A6 Quattro?

As of 3/1/26, these are some of the most in-demand types of Engine Parts for a 2021 Audi A6 Quattro:

Can I get help with 2021 Audi A6 Quattro Engine Part orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Audi Engine Parts and more.

What is your return policy for Audi A6 Quattro Engine Parts?

Advance Auto Parts keeps returns simple. For new Audi A6 Quattro Engine Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.