1985 Oldsmobile 98 Differentials
Keep Your 1985 Oldsmobile 98 in Top Shape with Quality Differentials
Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1985 Oldsmobile 98 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 Pinion Seals, 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 Valvoline. For example, Valvoline Differentials start at just $12.49 with an average 4.8 star rating. With over 2,230 reviews and a solid 5 star average, you can shop with confidence knowing other Oldsmobile 98 owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1985 Oldsmobile 98 Differential at Advance Auto Parts is around $18.07, with a range that starts at $9.99 and goes up to $30.99. With 6 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Camshaft Seal, Shaft Seal, and Shaft Seal start at just $9.99 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 Drive Shafts and Axles and Transfer Cases. At Advance Auto Parts, we’re here to help you keep your 1985 Oldsmobile 98 in peak condition, inside and out.
Find Your Specific 1985 Oldsmobile 98 Differentials
Looking for the perfect Differential for your 1985 Oldsmobile 98? 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 98. Whether you’re driving a 1985 model or another popular model year like
1988,
1989,
1990,
1991,
1992,
1993,
1994,
1995, and
1996, 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 1985 Oldsmobile 98 Differentials
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:
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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
National – Shaft Repair Sleeve (Part No.99170)
from
$46.99
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:
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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
National – Shaft Repair Sleeve (Part No.99199)
from
$41.99
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)
Schaeffler – Shaft Seal (Part No.SS2983)
from
$9.99
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
Schaeffler – Shaft Seal (Part No.SS2588)
from
$19.99
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
National – Multi-Purpose Seal (Part No.8460N)
from
$14.99
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:
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Product Features:
- Design type: spring loaded; multi-lip
- Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
- Resistance to EP lubricants
- Low swell in hydrocarbon fluids
- Delivers quality and reliable performance for every type of repair
National – Bearing Race (Part No.LM501314)
from
$11.99
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
Product Features:
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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
National – Multi-Purpose Bearing (Part No.A-36)
from
$27.99
Manufactured with premium-grade steel, National taper bearing sets feature crowned raceways and rollers to ensure even load distribution.
Product Features:
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Product Features:
- 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
Schaeffler – Bearing – TRB (Tapered Roller Bearing) (Part No.KT5)
from
$14.99
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:
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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
Schaeffler – Cup (Part No.M88010)
from
$10.99
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:
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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
National – Multi-Purpose Bearing (Part No.A-6)
from
$16.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
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Product Features:
- 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
Schaeffler – Bearing – CRB (Cylindrical Roller Bearing) (Part No.FC67147)
from
$30.99
We develop and produce high-quality roller bearings, spherical bearings, and plain bearings worldwide for a wide range of applications.
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
Schaeffler – Cup (Part No.LM48510)
from
$6.99
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.LM501349)
from
$21.99
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
Popular 1985 Oldsmobile 98 Differentials Categories
Most Popular Differential Pinion Pilot Bearing for 1985 Oldsmobile 98s
Enhance your 1985 Oldsmobile 98 with this popular Differential Pinion Pilot Bearing we have in stock, for $23.99.
Driveworks – Camshaft Seal (Part No.S-99139)
Best-Selling 1985 Oldsmobile 98 Differential Pinion Seals
Upgrade your 98 with one of our 2 best-selling Differential Pinion Seals.
Schaeffler – Shaft Seal (Part No.SS2588)
from
$19.99
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:
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
Schaeffler – Shaft Seal (Part No.SS2983)
from
$9.99
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:
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 Bearings for 1985 Oldsmobile 98s
Choose a high-quality OEM or aftermarket Differential Bearing for Oldsmobile 98s and enjoy top-notch performance from $10.99.
Schaeffler – Bearing – CRB (Cylindrical Roller Bearing) (Part No.FC67147)
from
$30.99
We develop and produce high-quality roller bearings, spherical bearings, and plain bearings worldwide for a wide range of applications.
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
Schaeffler – Cup (Part No.M88010)
from
$10.99
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 1985 Oldsmobile 98 Differential Oil
Invest in a
durable Differential Oil for your 1985 Oldsmobile, knowing you’re getting trusted brands and expert craftsmanship.
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 1985 Oldsmobile 98
When it comes to finding the perfect Differential for your 1985 Oldsmobile 98, 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 Valvoline, 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 1985 Oldsmobile 98, providing peace of mind with parts that meet or exceed OEM standards.
Popular Valvoline 1985 Oldsmobile 98 Differentials
If you’re looking for a top-quality Differential for your 1985 Oldsmobile 98, 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 1985 Oldsmobile 98 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”
FAQs for 1985 Oldsmobile 98 Differentials
What are the best-selling Differentials for 1985 Oldsmobile 98s?
Out of 6 Differentials that fit 1985 Oldsmobile 98s, the following parts are the top sellers:
- Camshaft Seal (11494113) – $23.99
- Shaft Seal (50206073) – $9.99
- Shaft Seal (50205898) – $19.99
What’s the price range for 1985 Oldsmobile 98 Differentials?
The prices of Differentials for the 1985 Oldsmobile 98 range from $9.99 up to $30.99 for the most premium parts.
What is the average price of a Differential for a 1985 Oldsmobile 98?
The average price for Differentials for the 1985 Oldsmobile 98 is $18.07. 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 98 model years?
What are the cheapest Differentials for my 1985 Oldsmobile 98?
The cheapest 1985 Oldsmobile 98 Differentials we carry are:
- Shaft Seal (50206073) – $9.99
- Cup (50206040) – $10.99
- MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart (8020023) – $12.49
- Shaft Seal (50205898) – $19.99
- Camshaft Seal (11494113) – $23.99
Does Advance Auto Parts sell Differentials for any other 1985 Oldsmobile models?
Yes. We stock Differentials for 8 other popular 1985 Oldsmobile models. Some of the most popular are 1985 Cutlass Supreme Differentials, 1985 Delta 88 Differentials, 1985 Toronado Differentials, 1985 Custom Cruiser Differentials, and 1985 Cutlass Ciera Differentials.
What are the top-rated Differentials that fit the 1985 Oldsmobile 98?
The one 1985 Oldsmobile 98 Differential we have in stock is the Shaft Seal. It costs $9.99.
What types of Differentials do you sell for my 1985 Oldsmobile 98?
As of 6/2/26, these are some of the most in-demand types of Differentials for a 1985 Oldsmobile 98:
Can I get help with 1985 Oldsmobile 98 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 98 Differentials?
Advance Auto Parts keeps returns simple. For new Oldsmobile 98 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.