Oldsmobile 98 Differentials

Your One-Stop Shop For Trusted Oldsmobile 98 Differentials

If you’re in search of Oldsmobile 98 Differentials aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 193 Differentials from top brands with prices ranging from $0.91 to $566.99.

Beyond great prices, we stock trusted brands manufacturing all types of Differentials for your Oldsmobile 98.

And don’t forget to read customer reviews across all Differentials categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Differentials have to cost top dollar, and we prove it. Browse our top Oldsmobile 98 Differentials below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

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Essential Oldsmobile 98 Differentials

Motive Gear – Motive Gear Differential Internal Carrier Gear Kit, GM10BI (Part No.GM10BI)

Motive Gear Differential Internal Carrier Gear Kit, GM10BI

from

$111.99
Motive Gear Differential Internal Carrier Gear Kit, GM10BI.
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Schaeffler – Schaeffler Shaft Seal, SS2421 (Part No.SS2421)

Schaeffler Shaft Seal, SS2421

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.
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Motive Gear – Motive Gear Differential Mini Spool, MS7.5-28 (Part No.MS7.5-28)

Motive Gear Differential Mini Spool, MS7.5-28

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$101.99
Motive Gear Differential Mini Spool, MS7.5-28.
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Dorman – Dorman Differential Yoke including Seal and Pinion Nut, 697-500 (Part No.697-500)

Dorman Differential Yoke including Seal and Pinion Nut, 697-500

from

$155.99
Worn or damaged differential end yoke causing driveline vibrations- This direct replacement end yoke matches the original equipment part for a trustworthy repair and reliable performance.
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Driveworks – Driveworks Taper Bearing Set, S-A-6 (Part No.S-A-6)

Driveworks Taper Bearing Set, S-A-6

from

$11.99
Value-priced bearing meets all cataloged application requirements.
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Motive Gear – Motive Gear Differential Crush Sleeve, 1234726 (Part No.1234726)

Motive Gear Differential Crush Sleeve, 1234726

from

$4.99
Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.
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Motive Gear – Motive Gear Differential Internal Carrier Gear Kit, GM7.6BI (Part No.GM7.6BI)

Motive Gear Differential Internal Carrier Gear Kit, GM7.6BI

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$131.99
Motive Gear Differential Internal Carrier Gear Kit, GM7.6BI.
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Driveworks – Driveworks Taper Bearing Cone, S-HM-88649 (Part No.S-HM-88649)

Driveworks Taper Bearing Cone, S-HM-88649

from

$19.49
Value-priced bearing meets all cataloged application requirements.
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Pro-King – Pro-King Differential Cross Shaft, 742G930 (Part No.742G930)

Pro-King Differential Cross Shaft, 742G930

from

$2.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
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Valvoline – Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 904891 (Part No.904891)

Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 904891

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$35.99
Choosing an automatic transmission fluid just got easier. Valvoline Full Synthetic MaxLife Multi-Vehicle ATF, the #1 ATF product, is suitable for use in 95% of ATF vehicles in operation with US registered light duty applications. And now, it€™s also recommended for most belt and 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 and tear, and maximize performance €“ all for much longer than conventional fluids. It has improved thermal stability for longer fluid life, better viscosity stability for consistent transmission operation, and frictional enhancements for smooth gear engagements. Whether your vehicle has a CVT or traditional automatic, Valvoline MaxLife Multi-Vehicle ATF is suitable for a broad range of transmissions including Ford, GM, Toyota, Honda, Nissan, Hyundai, Subaru, BMW, Mercedes, Volvo, VW and Audi vehicles. It€™s specifically recommended for use in the following applications: 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. For the many miles ahead, trust your transmission with Valvoline, the #1 automatic transmission fluid brand.
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Richmond Gear – Richmond Gear Differential Mini Spool, 78-1028-1 (Part No.78-1028-1)

Richmond Gear Differential Mini Spool, 78-1028-1

from

$124.99
Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND!
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Pro-King – Pro-King Differential Pinion Gear Washer, 742G216 (Part No.742G216)

Pro-King Differential Pinion Gear Washer, 742G216

from

$2.59
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
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Richmond Gear – Richmond Gear Differential Spool, 81-1033-1 (Part No.81-1033-1)

Richmond Gear Differential Spool, 81-1033-1

from

$267.99
Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND!
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National – National Tapered Roller Bearing Cone, 25584 (Part No.25584)

National Tapered Roller Bearing Cone, 25584

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$34.99
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
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Richmond Gear – Richmond Gear Differential Pinion Shaft, 80-0272-1 (Part No.80-0272-1)

Richmond Gear Differential Pinion Shaft, 80-0272-1

from

$66.99
Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND.
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Mr. Gasket – Mr. Gasket Differential Cover Gasket, 84B (Part No.84B)

Mr. Gasket Differential Cover Gasket, 84B

from

$22.19
Mr. Gasket Axle Housing/Differential Cover or Rear End Gaskets are manufactured from a .047 inch thick cellulose/nitrile composite gasket material for excellent sealing and durability. They are precision die-cut for an excellent fit. Fits 1964-1970 Chevrolet 8.2 inch 10 bolt & 1970-1981 GM 8.5 inch ring gear.
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National – National Shaft Repair Sleeve, 99139 (Part No.99139)

National Shaft Repair Sleeve, 99139

from

$41.49
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.
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Pro-King – Pro-King Differential Cover Plug, 742G484 (Part No.742G484)

Pro-King Differential Cover Plug, 742G484

from

$6.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
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Victor Reinz – Victor Reinz Axle Housing Cover Gasket, 71-14827-00 (Part No.71-14827-00)

Victor Reinz Axle Housing Cover Gasket, 71-14827-00

from

$8.29
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.
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Motive Gear – Motive Gear Differential Gear Install Kit, GM8.5IK (Part No.GM8.5IK)

Motive Gear Differential Gear Install Kit, GM8.5IK

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$65.99
Motive Gear Differential Gear Install Kit, GM8.5IK.
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Dorman – Dorman Rear Axle Shaft, Left Or Right, 630-114A (Part No.630-114A)

Dorman Rear Axle Shaft, Left Or Right, 630-114A

from

$129.99
This axle shaft is designed to match the performance of the original equipment shaft on specified vehicle makes, models and years. When a factory axle shaft fails or is damaged by rust or collision, this replacement is engineered to help restore and ensure the proper transfer of torque and rotational power from the differential or transmission to the wheel.
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National – National Bearing Race, HM89410 (Part No.HM89410)

National Bearing Race, HM89410

from

$11.49
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
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Dorman – Dorman Differential Cover, 697-701 (Part No.697-701)

Dorman Differential Cover, 697-701

from

$28.99
This direct replacement differential cover matches the fit and function of the original equipment diff cover for a reliable, leak-free repair. It features a durable design, made to strict specifications, to help ensure reliable service life.
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Powertrax – Powertrax Differential Lock Assembly, 1940-LR (Part No.1940-LR)

Powertrax Differential Lock Assembly, 1940-LR

from

$441.99
For vehicles that are driven daily, the Power Trax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Power Trax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Power Trax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Power Trax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds.
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ARP Auto Racing – "ARP Auto Racing For Use With General Motors, 0.800""Head L, 3/8"" – 24 Thread Size, Chrome Moly, 230-3001" (Part No.230-3001)

"ARP Auto Racing For Use With General Motors, 0.800""Head L, 3/8"" - 24 Thread Size, Chrome Moly, 230-3001"

from

$47.99
The tremendous shock loads generated at launch by most any drag racing vehicle equipped with todays sticky tire compounds or the acceleration and deceleration of oval track cars put considerable strain on the ring gear. For this reason, the fastener experts at ARP have developed the Pro Series ring gear bolts. They are forged from premium grade 8740 chrome moly steel and are heat treated to a nominal rating of 200,000 PSI tensile strength. Specially hardened, precision ground washers are included where required. Available to fit most any ring gear setup ranging from popular 9 Inch Ford GM 10 and 12 bolt rear ends to the beefy strange differentials found in top fuel and funny car applications.
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Differentials Brands You Can Trust For Your Oldsmobile 98

16 trusted brands of Differentials line our shelves, ready to help keep your Oldsmobile 98 running smooth. Below are some of the most popular brands and their top Differentials offerings:

Popular Mr. Gasket Differentials

Mr. Gasket products for the Oldsmobile 98 span several categories. Some of the highest-rated Mr. Gasket Differentials that will fit your Oldsmobile 98 are:
Mr. Gasket Differential Cover Gasket, 84B
from $22.19
(1)
Mr. Gasket Differential Cover Gasket, 84B
Rear Differential Cover Gaskets

Top Oldsmobile 98 Differentials from Felpro

Your Oldsmobile 98 will be purring again thanks to Felpro brand Differentials available for online order or in-store pick up. Popular Felpro parts include:
Felpro Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 55028-1
from $11.99
(195)
Felpro Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 55028-1
Rear Differential Cover Gaskets

Most Purchased Oldsmobile 98 Differentials from Felpro

When you buy the most frequently purchased Felpro brand Differentials, you can be confident it will be the right part for your Oldsmobile 98. Here are the Felpro Differentials Advanced Auto customers buy the most:
Felpro Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 55028-1
from $11.99
(195)
Felpro Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 55028-1
Rear Differential Cover Gaskets
Dorman Differential Yoke including Seal and Pinion Nut, 697-500
from $155.99
(10)
Dorman Differential Yoke including Seal and Pinion Nut, 697-500
Differential Pinion Yokes
Driveworks Taper Bearing Set, S-A-5
from $11.99
(70)
Driveworks Taper Bearing Set, S-A-5
Differential Carrier Bearing Set

FAQs for Oldsmobile 98 Differentials

What are the most purchased Differentials for the Oldsmobile 98?

Out of 193 Differentials for the Oldsmobile 98, the most popular in our inventory are:
Driveworks Taper Bearing Set, S-A-5
from $11.99
(70)
Driveworks Taper Bearing Set, S-A-5
Differential Carrier Bearing Set
Driveworks Taper Bearing Set, S-A-6
from $11.99
(38)
Driveworks Taper Bearing Set, S-A-6
Differential Pinion Bearing Kits
Dorman - Help Differential Shaft Lock Bolt, 81048
from $6.79
(11)
Dorman – Help Differential Shaft Lock Bolt, 81048
Differential Pinion Shaft Lock Bolts

What are the top-rated Oldsmobile 98 Differentials?

Top-rated Differentials for your Oldsmobile 98 based on customer reviews/ratings are:
Dorman Differential Cover, 697-701
from $28.99
(38)
Dorman Differential Cover, 697-701
“Good”
Richmond Gear Differential Ring And Pinion, 49-0034-1
from $342.99
(23)
Richmond Gear Differential Ring And Pinion, 49-0034-1
“So far so good.”
Dorman Differential Cover, 697-700
from $37.99
(14)
Dorman Differential Cover, 697-700
“Heavy steel with the original magnet. Fits like original.. Not a cheap stamping by any means”