1991 Audi 90 Differentials
Keep Your 1991 Audi 90 in Top Shape with Quality Differentials
Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1991 Audi 90 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Pinion Pilot Bearings, Differential Bearing Kits, and Differential Oil. 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 Valvoline. For example, National Differentials start at just $39.99 with an average 4.3 star rating. Valvoline offer similar pricing and quality, backed by strong customer feedback. With over 894 reviews and a solid 5 star average, you can shop with confidence knowing other Audi 90 owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1991 Audi 90 Differential at Advance Auto Parts is around $24.62, with a range that starts at $12.49 and goes up to $39.99. With 4 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Camshaft Seal and Bearing – TRB (Tapered Roller Bearing) start at just $21.99 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 CV Axles and Joints and Transfer Cases. At Advance Auto Parts, we’re here to help you keep your 1991 Audi 90 in peak condition, inside and out.
Find Your Specific 1991 Audi 90 Differentials
Looking for the perfect Differential for your 1991 Audi 90? 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 90. Whether you’re driving a 1991 model or another popular model year like
1988,
1989,
1990,
1993,
1994, and
1995, 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 1991 Audi 90 Differentials
National – Shaft Repair Sleeve (Part No.99177)
from
$39.99
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
Driveworks – Camshaft Seal (Part No.S-99139)
Valvoline – MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.VV324)
from
$12.49
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:
See More
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
Schaeffler – Bearing – TRB (Tapered Roller Bearing) (Part No.KT45)
from
$21.99
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
Popular 1991 Audi 90 Differentials Categories
Most Popular Differential Pinion Pilot Bearings for 1991 Audi 90s
Enhance your 1991 Audi 90 with one of the 2 Differential Pinion Pilot Bearings we have in stock, starting at just $23.99.
National – Shaft Repair Sleeve (Part No.99177)
from
$39.99
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
Driveworks – Camshaft Seal (Part No.S-99139)
Best-Selling 1991 Audi 90 Differential Bearing Kit
Upgrade your 90 with our best-selling Differential Bearing Kit.
Schaeffler – Bearing – TRB (Tapered Roller Bearing) (Part No.KT45)
from
$21.99
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
Top-Quality Differential Oil for 1991 Audi 90s
Choose a high-quality OEM or aftermarket Differential Oil for Audi 90s and enjoy top-notch performance from $12.49.
Valvoline – MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.VV324)
from
$12.49
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:
See More
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
Top-Rated Differential Brands For Your 1991 Audi 90
When it comes to finding the perfect Differential for your 1991 Audi 90, 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 Valvoline and National, and more, all known for their exceptional customer ratings (average brand rating of 4.8 stars) and competitive prices, as low as $12.49. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1991 Audi 90, providing peace of mind with parts that meet or exceed OEM standards.
Popular Valvoline 1991 Audi 90 Differentials
If you’re looking for a top-quality Differential for your 1991 Audi 90, Advance Auto Parts has exactly what you need with our selection of Valvoline Differentials. We have 1 Valvoline Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $12.49, you’ll find the perfect Differential for your needs and budget. Valvoline Differentials for the 1991 Audi 90 come highly rated, with over 446 customer reviews and an impressive average rating of 4.8 stars. Choosing a Valvoline Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
from
$12.49
(446)
MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart
“seems to be ok”
Top-Quality National 1991 Audi 90 Differentials
For those in search of a high-quality Differential for their 1991 Audi 90, Advance Auto Parts offers a great selection of National Differentials. With 1 National 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 $39.99, giving you a range of options to suit your budget. Backed by over 1 customer ratings and an average rating of 4.3 stars, National Differentials provide both reliability and excellent performance. Choosing a National Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
from
$39.99
(1)
Shaft Repair Sleeve
“Easy to use, too early to tell how long it will last. It did stop the oil leak with a new oil seal on the front crankshaft pulley. 87 mercedes 300td.”
FAQs for 1991 Audi 90 Differentials
What are the best-selling Differentials for 1991 Audi 90s?
Out of 4 Differentials that fit 1991 Audi 90s, the following parts are the top sellers:
- Camshaft Seal (11494113) – $23.99
- Bearing – TRB (Tapered Roller Bearing) (50206133) – $21.99
What’s the price range for 1991 Audi 90 Differentials?
The prices of Differentials for the 1991 Audi 90 range from $12.49 up to $39.99 for the most premium parts.
What is the average price of a Differential for a 1991 Audi 90?
The average price for Differentials for the 1991 Audi 90 is $24.62. 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.
Does Advance Auto Parts sell Differentials for other Audi 90 model years?
What are the cheapest Differentials for my 1991 Audi 90?
The cheapest 1991 Audi 90 Differentials we carry are:
- MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart (8020023) – $12.49
- Bearing – TRB (Tapered Roller Bearing) (50206133) – $21.99
- Camshaft Seal (11494113) – $23.99
- Shaft Repair Sleeve (3271730) – $39.99
Does Advance Auto Parts sell Differentials for any other 1991 Audi models?
Yes. We stock Differentials for 8 other popular 1991 Audi models. Some of the most popular are 1991 V8 Quattro Differentials, 1991 100 Differentials, 1991 100 Quattro Differentials, 1991 90 Quattro Differentials, and 1991 200 Differentials.
What are the top-rated Differentials that fit the 1991 Audi 90?
Based on 894 reviews by customers, our 1991 Audi 90 Differentials have an average customer rating of 5 stars. These are the highest-rated categories of Differentials for the 1991 Audi 90 and their top-rated products:
- Differential Oil
- Differential Pinion Pilot Bearings
- Shaft Repair Sleeve (3271730) – $39.99
What types of Differentials do you sell for my 1991 Audi 90?
As of 6/2/26, these are some of the most in-demand types of Differentials for a 1991 Audi 90:
Can I get help with 1991 Audi 90 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 90 Differentials?
Advance Auto Parts keeps returns simple. For new Audi 90 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.