1998 Oldsmobile 88 Differentials
Keep Your 1998 Oldsmobile 88 in Top Shape with Quality Differentials
Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1998 Oldsmobile 88 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Oil and Differential Seals. 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 Royal Purple and Valvoline. For example, Royal Purple Differentials start at just $41.99 with an average 4.8 star rating. Valvoline offer similar pricing and quality, backed by strong customer feedback. With over 270 reviews and a solid 5 star average, you can shop with confidence knowing other Oldsmobile 88 owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1998 Oldsmobile 88 Differential at Advance Auto Parts is around $23.12, with a range that starts at $11.99 and goes up to $41.99. With 4 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart, DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart, and Camshaft Seal start at just $11.99 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 Drive Shafts and Axles. At Advance Auto Parts, we’re here to help you keep your 1998 Oldsmobile 88 in peak condition, inside and out.
Find Your Specific 1998 Oldsmobile 88 Differentials
Looking for the perfect Differential for your 1998 Oldsmobile 88? 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 Oldsmobile 88. Whether you’re driving a 1998 model or another popular model year like
1956,
1957,
1992,
1993,
1994,
1995,
1996,
1997, and
1999, 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 1998 Oldsmobile 88 Differentials
FAG US – Shaft Seal (Part No.SS2421)
from
$14.29
Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.
Product Features:
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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
Driveworks – Camshaft Seal (Part No.S-99139)
Valvoline – DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.822405)
from
$14.49
Valvoline DEXRON-VI/MERCON LV ATF is a full-synthetic transmission fluid formulated with advanced additive technology to meet and exceed the requirements of the General Motors DEXRON-VI specification. It is officially licensed and approved by GM and is fully back-serviceable and can be used wherever DEXRON-II and/or DEXRON-III are recommended. Recommended for use in the following applications: DEXRON-VI, DEXRON-III, DEXRON-II, and Allison C-4.
Product Features:
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Product Features:
- Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions
- Enhanced anti-shudder protection for smooth shifting and maximum power transfer
- 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
Royal Purple – High Performance 5W-30 Synthetic Engine Oil, Better Wear Protection, 5 Quart (Part No.51530)
from
$41.99
Royal Purple Motor Oil is a specially formulated multi viscocity oil for use in gasoline and diesel engines of all types from cars and trucks to SUVs, motorcycles and boats. Royal Purple(R) Motor Oil with Synerlec(R) additive technology reduces friction, which results in a 1-3 percent increase in horsepower, lowers operating temperatures, provides superior corrosion protection, improves fuel economy, reduces emissions and extends oil life. A.P.I. Certified.
Product Features:
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Product Features:
- Better wear protection
- Increased fuel efficiency
- Better protection of the expensive catalytic emission system
- Improved compatibility with fuels containing ethanol
- Superior corrosion protection
- Meets ILSAC GF-5 and Dexos1 performance requirements
Valvoline – DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart (Part No.798153)
from
$11.99
Valvoline DEX/MERC ATF is a high-quality transmission fluid formulated to meet the challenging demands of many automatic transmissions. Its responsive low-temperature fluidity is beneficial in both electronic and hydraulic controlled transmissions and transaxles. Recommended for use in the following applications: MERCON*, DEXRON*-III, Ford M2C138-CJ and M2C166-H, Allison C-4 and TES-389, and Caterpillar TO-2.
Product Features:
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Product Features:
- Formulated with premium base stocks and advanced additive technology to meet the challenging demands of automatic transmissions
- Enhanced anti-shudder protection for smooth shifting and maximum power transfer
- 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
Popular 1998 Oldsmobile 88 Differentials Categories
Most Popular Differential Oil for 1998 Oldsmobile 88s
Enhance your 1998 Oldsmobile 88 with one of the 3 Differential Oil we have in stock, starting at just $11.99.
Royal Purple – High Performance 5W-30 Synthetic Engine Oil, Better Wear Protection, 5 Quart (Part No.51530)
from
$41.99
Royal Purple Motor Oil is a specially formulated multi viscocity oil for use in gasoline and diesel engines of all types from cars and trucks to SUVs, motorcycles and boats. Royal Purple(R) Motor Oil with Synerlec(R) additive technology reduces friction, which results in a 1-3 percent increase in horsepower, lowers operating temperatures, provides superior corrosion protection, improves fuel economy, reduces emissions and extends oil life. A.P.I. Certified.
Product Features:
See More
Product Features:
- Better wear protection
- Increased fuel efficiency
- Better protection of the expensive catalytic emission system
- Improved compatibility with fuels containing ethanol
- Superior corrosion protection
- Meets ILSAC GF-5 and Dexos1 performance requirements
Valvoline – DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.822405)
from
$14.49
Valvoline DEXRON-VI/MERCON LV ATF is a full-synthetic transmission fluid formulated with advanced additive technology to meet and exceed the requirements of the General Motors DEXRON-VI specification. It is officially licensed and approved by GM and is fully back-serviceable and can be used wherever DEXRON-II and/or DEXRON-III are recommended. Recommended for use in the following applications: DEXRON-VI, DEXRON-III, DEXRON-II, and Allison C-4.
Product Features:
See More
Product Features:
- Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions
- Enhanced anti-shudder protection for smooth shifting and maximum power transfer
- 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
Valvoline – DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart (Part No.798153)
from
$11.99
Valvoline DEX/MERC ATF is a high-quality transmission fluid formulated to meet the challenging demands of many automatic transmissions. Its responsive low-temperature fluidity is beneficial in both electronic and hydraulic controlled transmissions and transaxles. Recommended for use in the following applications: MERCON*, DEXRON*-III, Ford M2C138-CJ and M2C166-H, Allison C-4 and TES-389, and Caterpillar TO-2.
Product Features:
See More
Product Features:
- Formulated with premium base stocks and advanced additive technology to meet the challenging demands of automatic transmissions
- Enhanced anti-shudder protection for smooth shifting and maximum power transfer
- 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
Best-Selling 1998 Oldsmobile 88 Differential Seal
Upgrade your 88 with our best-selling Differential Seal.
Driveworks – Camshaft Seal (Part No.S-99139)
Top-Rated Differential Brands For Your 1998 Oldsmobile 88
When it comes to finding the perfect Differential for your 1998 Oldsmobile 88, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 3 trusted brands. We carry the most popular Differential brands including Royal Purple and Valvoline, and more, all known for their exceptional customer ratings (average brand rating of 4.8 stars) and competitive prices, as low as $14.49. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1998 Oldsmobile 88, providing peace of mind with parts that meet or exceed OEM standards.
Popular Royal Purple 1998 Oldsmobile 88 Differentials
If you’re looking for a top-quality Differential for your 1998 Oldsmobile 88, Advance Auto Parts has exactly what you need with our selection of Royal Purple Differentials. We have 1 Royal Purple Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $41.99, you’ll find the perfect Differential for your needs and budget. Royal Purple Differentials for the 1998 Oldsmobile 88 come highly rated, with over 133 customer reviews and an impressive average rating of 4.8 stars. Choosing a Royal Purple Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
from
$41.99
(133)
High Performance 5W-30 Synthetic Engine Oil, Better Wear Protection, 5 Quart
“The best”
Top-Quality Valvoline 1998 Oldsmobile 88 Differentials
For those in search of a high-quality Differential for their 1998 Oldsmobile 88, Advance Auto Parts offers a great selection of Valvoline Differentials. With 1 Valvoline 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 $14.49, giving you a range of options to suit your budget. Backed by over 2 customer ratings and an average rating of 4.8 stars, Valvoline Differentials provide both reliability and excellent performance. Choosing a Valvoline Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
from
$14.49
(2)
DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart
“I’ve used this in my 2005 2500HD since I bought the truck with 20k on it now at 280k changed every other year maybe 40k I’d put on in two years,
I pu”
FAQs for 1998 Oldsmobile 88 Differentials
What are the best-selling Differentials for 1998 Oldsmobile 88s?
Out of 4 Differentials that fit 1998 Oldsmobile 88s, the following parts are the top sellers:
- DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart (12079201) – $14.49
- DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart (12079139) – $11.99
- Camshaft Seal (11494113) – $23.99
What’s the price range for 1998 Oldsmobile 88 Differentials?
The prices of Differentials for the 1998 Oldsmobile 88 range from $11.99 up to $41.99 for the most premium parts.
What is the average price of a Differential for a 1998 Oldsmobile 88?
The average price for Differentials for the 1998 Oldsmobile 88 is $23.12. 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 Oldsmobile 88 model years?
What are the cheapest Differentials for my 1998 Oldsmobile 88?
The cheapest 1998 Oldsmobile 88 Differentials we carry are:
- DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart (12079139) – $11.99
- DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart (12079201) – $14.49
- Camshaft Seal (11494113) – $23.99
- High Performance 5W-30 Synthetic Engine Oil, Better Wear Protection, 5 Quart (11150912) – $41.99
Does Advance Auto Parts sell Differentials for any other 1998 Oldsmobile models?
Yes. We stock Differentials for 7 other popular 1998 Oldsmobile models. Some of the most popular are 1998 Bravada Differentials, 1998 Cutlass Differentials, 1998 Silhouette Differentials, 1998 Intrigue Differentials, and 1998 Aurora Differentials.
What are the top-rated Differentials that fit the 1998 Oldsmobile 88?
The one 1998 Oldsmobile 88 Differential we have in stock is the DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart. It costs $11.99.
What types of Differentials do you sell for my 1998 Oldsmobile 88?
As of 11/2/25, these are some of the most in-demand types of Differentials for a 1998 Oldsmobile 88:
Can I get help with 1998 Oldsmobile 88 Differential orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Oldsmobile Differentials and more.
What is your return policy for Oldsmobile 88 Differentials?
Advance Auto Parts keeps returns simple. For new Oldsmobile 88 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.