1999 Audi A8 Differentials
Keep Your 1999 Audi A8 in Top Shape with Quality Differentials
Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1999 Audi A8 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Pinion Shaft Bearings, Differential Oil, and Differential Bearings. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.
Top-Rated Differentials from Trusted Brands
Looking for a reliable Differential? We’ve got you covered with options from brands you know and trust like National and DriveWorks. For example, National Differentials start at just $7.99 with an average 4.3 star rating. DriveWorks offer similar pricing and quality, backed by strong customer feedback. With over 62 reviews and a solid 5 star average, you can shop with confidence knowing other Audi A8 owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1999 Audi A8 Differential at Advance Auto Parts is around $23.18, with a range that starts at $7.99 and goes up to $58.99. With 12 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-90, 1 Quart, Tapered Cone/Cup Wheel Bearing Set, and Bearing Race start at just $8.49 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Differential, don’t forget to check out other key components like Drive Shafts and Axles and Transfer Cases. At Advance Auto Parts, we’re here to help you keep your 1999 Audi A8 in peak condition, inside and out.
Find Your Specific 1999 Audi A8 Differentials
Looking for the perfect Differential for your 1999 Audi A8? You’re in the right place. Below, you’ll find links to various types of Differentials that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Differentials, ensuring durability and a precise fit for your Audi A8. Whether you’re driving a 1999 model or another popular model year like
1997 and
1998, we’ve got you covered. Purchasing Differentials from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Differentials that fit your vehicle.
Essential 1999 Audi A8 Differentials
National – Multi-Purpose Bearing (Part No.A-5)
from
$16.99
Product Features:
See More
- CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
- PREMIUM MATERIALS: Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION: Crowned raceways and rollers for even load distribution
- OE-STYLE DESIGN: Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on
Driveworks – Tapered Cone/Cup Wheel Bearing Set (Part No.S-A-35)
from
$26.99
Value-priced bearing meets all cataloged application requirements.
Product Features:
See More
Product Features:
- Brand may vary by location
FAG US – Cup (Part No.LM501310)
from
$9.99
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.
Product Features:
See More
Product Features:
- High-precision and High-quality components used in all KITs
- Coverage of classic and new high-tech solutions for the best system coverage
National – Tapered Roller Bearing Cone (Part No.LM300849)
from
$22.99
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
Product Features:
See More
Product Features:
- PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
- OE-STYLE DESIGN – Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
National – Tapered Roller Bearing Cone (Part No.LM503349A)
from
$22.99
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
Product Features:
See More
Product Features:
- PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
- OE-STYLE DESIGN – Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
National – Tapered Roller Bearing Cone (Part No.LM806649)
from
$58.99
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
Product Features:
See More
Product Features:
- PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
- OE-STYLE DESIGN – Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
FAG US – Cup (Part No.M88010)
from
$11.29
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.
Product Features:
See More
Product Features:
- High-precision and High-quality components used in all KITs
- Coverage of classic and new high-tech solutions for the best system coverage
National – Bearing Race (Part No.M88010)
from
$7.99
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
Product Features:
See More
Product Features:
- PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION – Crowned raceways for even load distribution
- OE-STYLE DESIGN – Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
Driveworks – Camshaft Seal (Part No.S-99139)
National – Shaft Repair Sleeve (Part No.99215)
from
$48.49
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
See More
Product Features:
- Designed to repair damaged, grooved or worn shafts
- Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
- Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
- Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
- Easy to install with removable flange and installation tool
- Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
Valvoline – Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-90, 1 Quart (Part No.889785)
from
$18.99
We’ve squeezed innovation into every ounce of Valvoline FlexFill SAE 75W-90 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-90 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:
See More
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 or MT-1 fluid
- MEETS OR EXCEEDS PERFORMANCE REQUIREMENTS for Mack GO-H and GO-J; API GL-5 and API MT-1; MIL-PRF-2105E; and SAE J2360
Popular 1999 Audi A8 Differentials Categories
Most Popular Pinion Shaft Bearing for 1999 Audi A8s
Enhance your 1999 Audi A8 with this popular Pinion Shaft Bearing we have in stock, for $16.99.
National – Multi-Purpose Bearing (Part No.A-5)
from
$16.99
Product Features:
See More
- CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
- PREMIUM MATERIALS: Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION: Crowned raceways and rollers for even load distribution
- OE-STYLE DESIGN: Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on
Best-Selling 1999 Audi A8 Differential Oil
Upgrade your A8 with our best-selling Differential Oil.
Valvoline – Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-90, 1 Quart (Part No.889785)
from
$18.99
We’ve squeezed innovation into every ounce of Valvoline FlexFill SAE 75W-90 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-90 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:
See More
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 or MT-1 fluid
- MEETS OR EXCEEDS PERFORMANCE REQUIREMENTS for Mack GO-H and GO-J; API GL-5 and API MT-1; MIL-PRF-2105E; and SAE J2360
Top-Quality Differential Bearings for 1999 Audi A8s
Choose a high-quality OEM or aftermarket Differential Bearing for Audi A8s and enjoy top-notch performance from $8.49.
National – Tapered Roller Bearing Cone (Part No.LM503349A)
from
$22.99
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
Product Features:
See More
Product Features:
- PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
- OE-STYLE DESIGN – Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
Driveworks – Tapered Cone/Cup Wheel Bearing Set (Part No.S-A-35)
from
$26.99
Value-priced bearing meets all cataloged application requirements.
Product Features:
See More
Product Features:
- Brand may vary by location
National – Tapered Roller Bearing Cone (Part No.LM300849)
from
$22.99
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
Product Features:
See More
Product Features:
- PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
- OE-STYLE DESIGN – Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
National – Bearing Race (Part No.LM501310)
from
$8.49
Product Features:
See More
- PREMIUM MATERIALS: Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION: Crowned raceways for even load distribution
- OE-STYLE DESIGN: Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on
National – Tapered Roller Bearing Cone (Part No.LM806649)
from
$58.99
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
Product Features:
See More
Product Features:
- PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
- OE-STYLE DESIGN – Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
FAG US – Cup (Part No.M88010)
from
$11.29
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.
Product Features:
See More
Product Features:
- High-precision and High-quality components used in all KITs
- Coverage of classic and new high-tech solutions for the best system coverage
FAG US – Cup (Part No.LM501310)
from
$9.99
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.
Product Features:
See More
Product Features:
- High-precision and High-quality components used in all KITs
- Coverage of classic and new high-tech solutions for the best system coverage
Our Top Pick for a 1999 Audi A8 Front Differential Pinion Bearing
Invest in a
durable Front Differential Pinion Bearing for your 1999 Audi, knowing you’re getting trusted brands and expert craftsmanship.
National – Bearing Race (Part No.M88010)
from
$7.99
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
Product Features:
See More
Product Features:
- PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION – Crowned raceways for even load distribution
- OE-STYLE DESIGN – Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
Differential Seals for 1999 Audi A8s
Make a smart move for your 1999 Audi A8 with products all priced from $23.99 to $48.49.
National – Shaft Repair Sleeve (Part No.99215)
from
$48.49
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
See More
Product Features:
- Designed to repair damaged, grooved or worn shafts
- Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
- Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
- Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
- Easy to install with removable flange and installation tool
- Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
Driveworks – Camshaft Seal (Part No.S-99139)
Top-Rated Differential Brands For Your 1999 Audi A8
When it comes to finding the perfect Differential for your 1999 Audi A8, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 4 trusted brands. We carry the most popular Differential brands including National and DriveWorks, and more, all known for their exceptional customer ratings (average brand rating of 4.3 stars) and competitive prices, as low as $7.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1999 Audi A8, providing peace of mind with parts that meet or exceed OEM standards.
Popular National 1999 Audi A8 Differentials
If you’re looking for a top-quality Differential for your 1999 Audi A8, Advance Auto Parts has exactly what you need with our selection of National Differentials. We have 3 National Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $7.99 and an average cost of $17.99, you’ll find the perfect Differential for your needs and budget. National Differentials for the 1999 Audi A8 come highly rated, with over 9 customer reviews and an impressive average rating of 4.3 stars. Choosing a National Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
from
$7.99
(4)
Bearing Race
“Goes with M88010 bearing cup.
Application was the pinion bearing race for a Ford 9 Inch on a 1957 Ford F-100.”
from
$22.99
(3)
Tapered Roller Bearing Cone
“Good and what can i say thanks for avance Will be my fav place to buy parts”
Top-Quality DriveWorks 1999 Audi A8 Differentials
For those in search of a high-quality Differential for their 1999 Audi A8, Advance Auto Parts offers a great selection of DriveWorks Differentials. With 1 DriveWorks Differentials in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Differentials start at just $26.99, giving you a range of options to suit your budget. Backed by over 14 customer ratings and an average rating of 4.3 stars, DriveWorks Differentials provide both reliability and excellent performance. Choosing a DriveWorks Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
from
$26.99
(14)
Tapered Cone/Cup Wheel Bearing Set
“Advance Auto website when entering my 1989 Ford F150 doesn’t ask if it is 2 wheel or 4 wheel drive. So I had to return the first set”
FAQs for 1999 Audi A8 Differentials
What are the best-selling Differentials for 1999 Audi A8s?
Out of 12 Differentials that fit 1999 Audi A8s, the following parts are the top sellers:
- Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-90, 1 Quart (12507273) – $18.99
- Tapered Cone/Cup Wheel Bearing Set (5050723) – $26.99
- Bearing Race (3277399) – $8.49
What’s the price range for 1999 Audi A8 Differentials?
The prices of Differentials for the 1999 Audi A8 range from $7.99 up to $58.99 for the most premium parts.
What is the average price of a Differential for a 1999 Audi A8?
The average price for Differentials for the 1999 Audi A8 is $23.18. Keep in mind the variety of part types within our Differential category, where you are likely to find a wide range of prices across a variety of parts and components.
What are the cheapest Differentials for my 1999 Audi A8?
The cheapest 1999 Audi A8 Differentials we carry are:
- Bearing Race (3277585) – $7.99
- Bearing Race (3277399) – $8.49
- Cup (50206181) – $9.99
- Cup (50206040) – $11.29
- Multi-Purpose Bearing (3275965) – $16.99
Does Advance Auto Parts sell Differentials for any other 1999 Audi models?
Yes. We stock Differentials for 4 other popular 1999 Audi models. Some of the most popular are 1999 A4 Quattro Differentials, 1999 A4 Differentials, 1999 A6 Quattro Differentials, 1999 A6 Differentials, and 1999 A8 Quattro Differentials.
What are the top-rated Differentials that fit the 1999 Audi A8?
Based on 62 reviews by customers, our 1999 Audi A8 Differentials have an average customer rating of 5 stars. These are the highest-rated categories of Differentials for the 1999 Audi A8 and their top-rated products:
- Differential Bearings
- Tapered Roller Bearing Cone (18441702) – $22.99
- Tapered Cone/Cup Wheel Bearing Set (5050723) – $26.99
- Tapered Roller Bearing Cone (3277364) – $22.99
- Front Differential Pinion Bearings
- Bearing Race (3277585) – $7.99
What types of Differentials do you sell for my 1999 Audi A8?
As of 11/2/25, these are some of the most in-demand types of Differentials for a 1999 Audi A8:
Can I get help with 1999 Audi A8 Differential orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Audi Differentials and more.
What is your return policy for Audi A8 Differentials?
Advance Auto Parts keeps returns simple. For new Audi A8 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.