2026 Audi A8 Quattro Car Parts & Accessories

You have come to the right place if you need new or replacement parts for your 2026 A8 Quattro. Advance Auto carries over 18 aftermarket parts for your 2026 Audi A8 Quattro, along with original equipment manufacturer (OEM) parts. You will find amazing prices on 2026 A8 Quattro Transmission Parts and Automotive Accessories. Plus, our selection of 2026 Body Parts for your A8 Quattro are some of the lowest in the market.

Find replacement parts and upgrades for your 2026 Audi A8 Quattro. Use our customer reviews of Interior Products parts and others, along with user ratings on the many of the products we offer. You won’t find an easier way to shop for 2026 Audi A8 Quattro performance parts, 2026 Audi A8 Quattro body parts, interior components, or any type of part for that matter. Get your A8 Quattro upgraded or back in pristine shape by shopping Advance Auto Parts.

Best-Selling Batteries and Chargers for your 2026 Audi A8 Quattro

Upgrade your 2026 Audi A8 Quattro with one of the 4 best-selling parts in stock, starting at just $259.99.

DieHard Platinum AGM – Battery: H6 Group Size, 4 Year Warranty, 760 CCA, 950 CA, 120 Minute Reserve Capacity (Part No.H6-AGM)

Battery: H6 Group Size, 4 Year Warranty,  760 CCA,  950 CA,  120 Minute Reserve Capacity

from

$259.99
DieHard Platinum AGM (Absorbent Glass Mat) batteries are specifically designed for today’s power hungry vehicles. DieHard Platinum AGM batteries are engineered to provide up to 2x the life vs. a standard flooded battery. This battery is ideal for vehicles with start-stop technology or high demand electrical accessories (back-up cameras, heated seats, navigation, plug-in accessories) which put a heavier load on the battery. DieHard Platinum AGM batteries are engineered with Stamped Grid technology, which features a stronger and more durable positive and negative grid design. Order your DieHard vehicle battery replacement today. Enjoy reliable starting power with no maintenance every season.

Product Features:
  • AGM technology supports high power demands and accessories or newer vehicles with start-stop technology.
  • Up to 2X longer lifespan compared to standard flooded batteries.
  • Exceptional performance in high temperature climates.
  • Superior starting power in cold weather conditions.
  • Exceeds the vehicle manufacturer’s battery starting and reserve capacity power requirements with added AGM technology.
  • Maintenance free with a non-spillable design allows for installation in any location, including inside passenger compartment.
  • Higher level of vibration resistance compared to standard flooded batteries.
  • Constructed with stamped grid technology for 3X more corrosion resistance, increased durability and full grid utilization for 60% more electrical flow compared to other grid designs.
  • Our Stamped Grid manufacturing process uses 20% less energy and releases 20% fewer greenhouse gas emissions than other manufacturing methods
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DieHard Platinum AGM – Battery: H8 Group Size, 4 Year Warranty, 900 CCA, 1000 CA, 160 Minute Reserve Capacity (Part No.H8-AGM)

Battery: H8 Group Size, 4 Year Warranty,  900 CCA,  1000 CA,  160 Minute Reserve Capacity

from

$259.99
DieHard Platinum AGM (Absorbent Glass Mat) batteries are specifically designed for today’s power hungry vehicles. DieHard Platinum AGM batteries are engineered to provide up to 2x the life vs. a standard flooded battery. This battery is ideal for vehicles with start-stop technology or high demand electrical accessories (back-up cameras, heated seats, navigation, plug-in accessories) which put a heavier load on the battery. DieHard Platinum AGM batteries are engineered with Stamped Grid technology, which features a stronger and more durable positive and negative grid design. Order your DieHard vehicle battery replacement today. Enjoy reliable starting power with no maintenance every season.

Product Features:
  • AGM technology supports high power demands and accessories or newer vehicles with start-stop technology.
  • Up to 2X longer lifespan compared to standard flooded batteries.
  • Exceptional performance in high temperature climates.
  • Superior starting power in cold weather conditions.
  • Exceeds the vehicle manufacturer’s battery starting and reserve capacity power requirements with added AGM technology.
  • Maintenance free with a non-spillable design allows for installation in any location, including inside passenger compartment.
  • Higher level of vibration resistance compared to standard flooded batteries.
  • Constructed with stamped grid technology for 3X more corrosion resistance, increased durability and full grid utilization for 60% more electrical flow compared to other grid designs.
  • Our Stamped Grid manufacturing process uses 20% less energy and releases 20% fewer greenhouse gas emissions than other manufacturing methods
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Optima – Yellow Battery: H6 Group Size, 800 CCA, 928 CA, 140 Minute Reserve Capacity, Deep-Cycle (Part No.DH6)

Yellow Battery: H6 Group Size, 800 CCA, 928 CA, 140 Minute Reserve Capacity, Deep-Cycle

from

$352.99
The OPTIMA YELLOWTOP high-performance AGM battery is the ULTIMATE POWER SOURCE and one of the few true dual-purpose automotive batteries available. With premium cranking power and impressive cycling capability, this heavy-duty battery is ideal for trucks with winches, vehicles with high-demand electronics and audio systems, commercial vehicles and heavy equipment. Key benefits of OPTIMA YELLOWTOP batteries include deep-cycling battery and OPTIMAL starting power, up to 3x longer service life, 15x more resistant to vibration, leak proof, mountable in virtually any position, maintenance-free, and more than 300 discharge / recharge cycles. OPTIMA YELLOWTOP batteries work well for tractors or forklifts.

Product Features:
  • 99.99% pure lead, highly compressed radial grid plates make the battery virtually immune to vibration and corrosion.
  • Proprietary AGM flat-plate technology features ultra-pure glass matt fiber separators between each highly compressed plate. The result is an increase in plate count and surface area maximizing power and significantly extending the life of the battery.
  • Up to 3 times longer life vs. standard flooded batteries
  • 15x the vibration resistance of a standard flooded battery
  • Completely non-spillable, mountable in many positions
  • Maintenance free for maximum convenience
  • Faster recharging capabilities
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DieHard Platinum AGM – Battery: H9 Group Size, 4 Year Warranty, 950 CCA, 1000 CA, 100 Amp Hour Capacity (Part No.H9-AGM)

Battery: H9 Group Size, 4 Year Warranty,  950 CCA,  1000 CA,  100 Amp Hour Capacity

from

$259.99
DieHard Platinum AGM (Absorbent Glass Mat) batteries are specifically designed for today’s power hungry vehicles. DieHard Platinum AGM batteries are engineered to provide up to 2x the life vs. a standard flooded battery. This battery is ideal for vehicles with start-stop technology or high demand electrical accessories (back-up cameras, heated seats, navigation, plug-in accessories) which put a heavier load on the battery. DieHard Platinum AGM batteries are engineered with Stamped Grid technology, which features a stronger and more durable positive and negative grid design. Order your DieHard vehicle battery replacement today. Enjoy reliable starting power with no maintenance every season.

Product Features:
  • AGM technology supports high power demands and accessories or newer vehicles with start-stop technology.
  • Up to 2X longer lifespan compared to standard flooded batteries.
  • Exceptional performance in high temperature climates.
  • Superior starting power in cold weather conditions.
  • Exceeds the vehicle manufacturer’s battery starting and reserve capacity power requirements with added AGM technology.
  • Maintenance free with a non-spillable design allows for installation in any location, including inside passenger compartment.
  • Higher level of vibration resistance compared to standard flooded batteries.
  • Constructed with stamped grid technology for 3X more corrosion resistance, increased durability and full grid utilization for 60% more electrical flow compared to other grid designs.
  • Our Stamped Grid manufacturing process uses 20% less energy and releases 20% fewer greenhouse gas emissions than other manufacturing methods
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Most Popular 2026 Audi A8 Quattro Oil and Lubricants

Improve your A8 Quattro’s performance by choosing from our wide selection of 2 OEM and aftermarket auto parts specifically for your 2026 Audi A8 Quattro.

Valvoline – SynPower Transmission & Differential Gear Oil: Full Synthetic 75W-90, 1 Gallon (Part No.882505)

SynPower Transmission & Differential Gear Oil: Full Synthetic 75W-90, 1 Gallon

from

$59.99
Valvoline SAE 75W-90 Full Synthetic Gear Oil provides the ultimate gear protection in hypoid rear differentials and non-synchronized manual transmissions. Engineered to outperform, our detergent package-based formulation contains Full Synthetic basestocks and special additives that help protect parts from rust and corrosion while providing exceptional high and low temperature protection and excellent thermal stability, especially in demanding driving situations such as towing and off-roading. It contains an extreme pressure additive for better load carrying capacity, wear resistance additives that assist in protecting gear teeth, a limited slip additive for optimal clutch pack performance, and an anti-foaming agent for better lubrication and service life. Valvoline SAE 75W-90 Full Synthetic Gear Oil is recommended for use in axle applications requiring factory-fill or drain-and-fill levels for limited slip performance. Protect your gears with Valvoline, the No. 1 gear oil brand.

Product Features:
  • EXCEPTIONAL HIGH AND LOW TEMPERATURE PROTECTION , ranging from -30F to 300F degrees
  • REDUCES CHATTERING AND PROTECTS GEAR TEETH from oxidation, rust, and wear
  • FIGHTS CORROSION AND RUST with emulsifying agents and safeguards against impurities, oxidation and thermal breakdown
  • MEETS THE DEMANDS OF CONVENTIONAL AND LIMITED SLIP HYPOID DIFFERENTIALS where APPI GL-5 is specified, as well as non-synchronized manual transmissions that require API GL-4 or MT-1 fluid
  • MEETS OR EXCEEDS THE PERFORMANCE REQUIREMENTS for Mack GO-H and GO-J; API GL-5 and API MT-1; MIL-PRF-2105E; and SAE J2360
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Valvoline – Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-140, 1 Quart (Part No.889787)

Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-140, 1 Quart

from

$19.99
We’ve squeezed innovation into every ounce of Valvoline FlexFill SAE 75W-140 Full Synthetic Gear Oil, the ultimate gear protection in hypoid rear differentials and non-synchronized manual transmissions. Our unique new flexible pouch makes getting into the tightest places to lubricate gears easier than ever and with less waste. The superior detergent package-based formulation contains fully synthetic basestocks and special additives that help protect parts from rust and corrosion while providing exceptional high and low temperature protection and excellent thermal stability, especially in demanding driving situations such as towing and off-roading. It contains an extreme pressure additive for better load carrying capacity, wear resistance additives that assist in protecting gear teeth, a limited slip additive for optimal clutch pack performance, and an anti-foaming agent for better lubrication and service life. Valvoline FlexFill SAE 75W-140 Full Synthetic Gear Oil is recommended for use in axle applications requiring factory-fill or drain-and-fill levels for limited slip performance.

Product Features:
  • FLEXIBLE POUCH FOR EASIER USE WITH LESS WASTE in tight, hard to reach undercarriage situations.
  • EXCEPTIONAL HIGH AND LOW TEMPERATURE PROTECTION ranging from -30F to 300F degrees for dependable coverage year-round
  • REDUCES CHATTERING AND PROTECTS GEAR TEETH from oxidation, rust, and wear
  • MEETS THE DEMANDS OF CONVENTIONAL AND LIMITED SLIP REAR DIFFERENTIALS where API GL-5 is specified, as well as non-synchronized manual transmissions that require API GL-4
  • MEETS OR EXCEEDS PERFORMANCE REQUIREMENTS for Ford M2C-192A, GM 12346140, Chrysler MS-8985 and API GL-5
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Top-Selling A8 Quattro Filters and PCVs

Shop now for the best auto parts and accessories for your 2026 A8 Quattro, starting at $9.99, and ensure your Audi stays in top shape.

Carquest Premium – Cabin Air Filter: Cleans Air by Reducing Pollen and Dust (Part No.93855)

Cabin Air Filter: Cleans Air by Reducing Pollen and Dust

from

$35.99
Carquest Premium cabin air filters are manufactured to the highest quality standards and field tested to ensure easy installation. Our cabin air filters are engineered to stop airborne contaminants from getting into the cabin while also protecting the delicate components of modern vehicle climate control systems. Carquest Premium cabin air filters utilize electrostatic particulate, non-woven media for longer filter life. Each Carquest Premium cabin air filter also includes application-specific installation instructions in the box to save you installation time.

Product Features:
  • Electrostatic particulate, non-woven filter media allows longer filter life
  • Select applications available with activated carbon infused media to neutralize odors
  • Effectively traps airborne contaminants for cleaner air in the cabin
  • 95% efficiency at 3 microns per ISO 11155-1 test standard
  • Flow arrow on side of filter indicates installation position
  • All filters include application specific installation instructions
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Carquest Premium – Oil Filter: Ideal for Synthetic Oil, Protection up to 10,000 Miles (Part No.95160)

Oil Filter: Ideal for Synthetic Oil, Protection up to 10,000 Miles

from

$9.99
Carquest Premium oil filters are built for durability, utilizing enhanced components to protect engines for the extended drain intervals of modern vehicles using conventional or synthetic lubricants. Our oil filters are built with synthetic blend media that provides 2X the capacity and up to 10,000 miles of protection. Carquest Premium filters feature silicone sealing gaskets for better performance in extreme temperatures. Carquest Premium oil filters meet or exceed original equipment (O.E.) specifications and meet the requirements for maintaining a new vehicle warranty.

Product Features:
  • Engineered for protection for up to 10,000 miles when used with the appropriate motor oil
  • Synthetic blend media provides 99.5% efficiency at 20 microns and 2X capacity vs. Standard filters
  • Silicone sealing gasket performs better in extreme temperature conditions and longer drain intervals (silicone gasket is new feature introduced as a running change)
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In-Demand Wipers and Related Products for the Audi A8 Quattro

Choose from 2 high-quality Wipers and Related Products for your 2026 Audi A8 Quattro priced between $21.99 and $21.99.

TRICO ICE – Ice Winter 26” Wiper Blade: Extreme Weather, Ruggedly Constructed Armor (Part No.35-260)

Ice Winter 26'' Wiper Blade: Extreme Weather, Ruggedly Constructed Armor

from

$21.99
TRICO Ice is a rugged and durable winter wiper blade designed specifically to combat severe weather and still offer optimal performance. Flexible beam blade design coupled with synthetic-blended armor for an infinitely flexible blade that can see you through even the worst driving conditions.

Product Features:
  • Ruggedly constructed armor seals blade structure from severe weather
  • One-piece, flexible design snugly conforms to most windshields
  • Robust, heavy-gauge wiper element resists tearing in sub-zero temperatures
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TRICO ICE – Ice Winter 20” Wiper Blade: Extreme Weather, Ruggedly Constructed Armor (Part No.35-200)

Ice Winter 20'' Wiper Blade: Extreme Weather, Ruggedly Constructed Armor

from

$21.99
TRICO Ice is a rugged and durable winter wiper blade designed specifically to combat severe weather and still offer optimal performance. Flexible beam blade design coupled with synthetic-blended armor for an infinitely flexible blade that can see you through even the worst driving conditions.

Product Features:
  • Ruggedly constructed armor seals blade structure from severe weather
  • One-piece, flexible design snugly conforms to most windshields
  • Robust, heavy-gauge wiper element resists tearing in sub-zero temperatures
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Highly-Rated Fluids and Chemicals for 2026 Audi A8 Quattro

Discover top-rated parts for your 2026 Audi A8 Quattro, with an average 5 stars rating across 1,256 customer reviews.

Valvoline – MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon (Part No.773775)

MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon

from

$35.99
Valvoline MaxLife Multi-Vehicle ATF is a full-synthetic formulation with advanced additives to prevent the major causes of transmission breakdown and help extend transmission life.  Developed to help prevent leaks, maximize transmission performance, reduce transmission wear, and maintain smooth shifting longer than conventional fluids. It is suitable for use in a broad range of ATF applications including most Ford, GM, Toyota, Honda, Nissan, Hyundai, BMW, Mercedes, Volvo, VW & Audi. Recommended for use in the following applications: GM DEXRON-II, DEXRON-III, DEXRON-VI, Ford MERCON LV, Toyota/Lexus Type T, T-II, T-IV, WS, Honda/Acura, ATF-Z1, Nissan/Infiniti Matic-D, Matic-J, Matric-K, Matic-S, Hyundai/Kia SP-II, SP-III, SP-IV, SPH-IV, BMW 7045E, ETL 8072B, LA2634, LT71141, Allison C-4, Mercedes Benz NAG-1, Volvo 1161521, 1161540, 97340, 1273.41, and VW/Audi G-052-025-A2, G-052-162-A1. For CVT applications Valvoline recommends Valvoline Full Synthetic CVT Fluid.

Product Features:
  • Formulated with full-synthetic base oils and long life friction modifiers to help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids
  • High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks in high mileage transmissions
  • Developed with anti-wear technology to help improve transmission durability
  • Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
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Valvoline – MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.VV324)

MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart

from

$9.99
Valvoline Full Synthetic MaxLife Multi-Vehicle ATF, the No. 1 ATF product, suitable for use in 95% of vehicles. And now, it’s recommended for most belt & chain-driven continuously variable transmissions (CVT). Featuring advanced additives to prevent the major causes of transmission breakdown, it’s designed to help prevent leaks, reduce wear & tear, and maximize performance. Has improved thermal stability for longer fluid life, better viscosity stability for consistent transmission operation, and frictional enhancements for smooth gear engagements. Valv MaxLife Multi-Vehicle ATF is suitable for most Ford, GM, Toyota, Honda, Nissan, Hyundai, Subaru, BMW, Mercedes, Volvo, VW & Audi vehicles. Recommended for use in: GM DEXRON-II, DEXRON-III, DEXRON-VI, and DEX-CVT; Ford MERCON LV; Toyota/Lexus Type T, T-II, T-IV, WS, CVTF FE, and CVTF TC; Honda/Acura ATF-Z1 and Honda CVT; Nissan/Infiniti Matic-D, Matic-J, Matic-K and Matic-S; Hyundai/Kia SP-II, SP-III, SP-IV and SPH-IV; BMW 7045E, ETL 8072B, LA2634 and LT71141; Allison C-4; Mercedes-Benz NAG-1; Volvo 1161521, 1161540, 97340 and 1273.41; Subaru ATF HP, Lineartronic chain CVT and CVT-II, Lineartronic High Torque CVT, and CV-30; and VW/Audi G-052-025-A2 and G-052-162-A1. CURRENTLY UNABLE TO SHIP THIS PRODUCT TO CUSTOMERS LOCATED IN CALIFORNIA

Product Features:
  • FOR USE IN 95% OF VEHICLES INCLUDING MOST CVTs in operation with US registered light duty applications
  • HIGH PERFORMANCE CONDITIONING AGENTS prolong seal elasticity to prevent leaks
  • IMPROVED DURABILITY & TRANSMISSION LIFE with anti-wear technology to avoid costly repairs
  • ENHANCED HIGH & LOW TEMP PERFORMANCE supports transmission fluid in all weather situations
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Valvoline – SynPower Transmission & Differential Gear Oil: Full Synthetic 75W-140, 1 Quart (Part No.VV982)

SynPower Transmission & Differential Gear Oil: Full Synthetic 75W-140, 1 Quart

from

$18.99
Valvoline SAE 75W-140 Full Synthetic Gear Oil provides the ultimate gear protection in hypoid rear differentials and non-synchronized manual transmissions. Engineered to outperform, our formulation provides exceptional high and low temperature protection and excellent thermal stability, especially in demanding driving situations such as towing and off-roading. It contains an extreme pressure additive for better load carrying capacity and wear resistance, a limited slip additive for optimal clutch pack performance, and an anti-foaming agent for better lubrication and service life. It’s recommended for conventional rear axles and transmissions requiring EP gear lubes under high speed, high load, high torque and high horsepower conditions.

Product Features:
  • EXCEPTIONAL HIGH AND LOW TEMPERATURE PROTECTION ranging from -22F to 390F degrees
  • REDUCES CHATTERING AND PROTECTS GEAR TEETH from oxidation, rust, and wear
  • FIGHTS CORROSION AND RUST with emulsifying agents and safeguards against impurities, oxidation and thermal breakdown
  • MEETS THE DEMANDS OF CONVENTIONAL AND LIMITED SLIP REAR DIFFERENTIALS where API GL-5 is specified, as well as non-synchronized manual transmissions that require API GL-3
  • MEETS OR EXCEEDS PERFORMANCE REQUIREMENTS for Ford M2C-192A, GM 12346140, Chrysler MS-8985 and API GL-4
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Valvoline – SynPower Transmission & Differential Gear Oil: Full Synthetic 75W-140, 5 Gallon (Part No.VV981)

SynPower Transmission & Differential Gear Oil: Full Synthetic 75W-140, 5 Gallon

from

$329.99
Valvoline SAE 75W-140 Full Synthetic Gear Oil provides the ultimate gear protection in hypoid rear differentials and non-synchronized manual transmissions. Engineered to outperform, our formulation provides exceptional high and low temperature protection and excellent thermal stability, especially in demanding driving situations such as towing and off-roading. It contains an extreme pressure additive for better load carrying capacity and wear resistance, a limited slip additive for optimal clutch pack performance, and an anti-foaming agent for better lubrication and service life. It’s recommended for conventional rear axles and transmissions requiring EP gear lubes under high speed, high load, high torque and high horsepower conditions.

Product Features:
  • EXCEPTIONAL HIGH AND LOW TEMPERATURE PROTECTION ranging from -22F to 390F degrees
  • REDUCES CHATTERING AND PROTECTS GEAR TEETH from oxidation, rust, and wear
  • FIGHTS CORROSION AND RUST with emulsifying agents and safeguards against impurities, oxidation and thermal breakdown
  • MEETS THE DEMANDS OF CONVENTIONAL AND LIMITED SLIP REAR DIFFERENTIALS where API GL-5 is specified, as well as non-synchronized manual transmissions that require API GL-4
  • MEETS OR EXCEEDS PERFORMANCE REQUIREMENTS for Ford M2C-192A, GM 12346140, Chrysler MS-8985 and API GL-5
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Valvoline – Extended Protection Automatic Transmission Fluid, 1 Quart (Part No.899179)

Extended Protection Automatic Transmission Fluid, 1 Quart

from

$14.99
Modern transmissions are better than ever, with more gears to help improve fuel efficiency and acceleration. Greater performance calls for greater protection. Valvoline Extended Protection Full Synthetic ATF features our exclusive Dual Defense Additive Technology for two layers of protection against metal-on-metal contact and thermal breakdown, all while minimizing wear on clutch components. In fact, Valvoline Extended Protection Full Synthetic ATF is 45% stronger against breakdown compared to major brand DEX/MERC oxidative PDSC performance. Proven to maximize transmission life, our patented formula is suitable for use in 92% of vehicles in light duty automatic transmissions 2010 and newer. Keep your modern vehicle shifting smoothly, mile after mile, with the ultimate protection you can only expect from Valvoline, the #1 ATF brand.

Product Features:
  • The ultimate protection for your automatic transmission
  • 45% stronger against breakdown
  • Dual Defense Additive Technology combines friction modifiers and anti-wear additives for two layers of protection
  • Suitable for use in over 92% of vehicles in light duty automatic transmissions 2010 and newer
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