1983 Oldsmobile 98 Differentials

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Keep Your 1983 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 1983 Oldsmobile 98 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Oil, Rear Housing Cover Gaskets, 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, Motive Gear, and Dorman. For example, National Differentials start at just $11.99 with an average 4.3 star rating. Motive Gear and Dorman offer similar pricing and quality, backed by strong customer feedback. With over 4,938 reviews and a solid 4 star average, you can shop with confidence knowing other Oldsmobile 98 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1983 Oldsmobile 98 Differential at Advance Auto Parts is around $275.32, with a range that starts at $2.59 and goes up to $2,219.99. With 140 options in stock from 15 trusted brands, finding the right fit is easy. Popular picks like Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket, Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket, and Multi-Purpose Bearing start at just $8.99 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 Universal Joints. At Advance Auto Parts, we’re here to help you keep your 1983 Oldsmobile 98 in peak condition, inside and out.

Essential 1983 Oldsmobile 98 Differentials

Motive Gear – Differential Pinion Shim Kit (Part No.1102)

Differential Pinion Shim Kit

from

$9.99


Product Features:
  • KIT SHIM PINION
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National – Tapered Roller Bearing Cone (Part No.25584)

Tapered Roller Bearing Cone

from

$32.49
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.

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
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Powertrax – No-Slip Traction System (Part No.9207822801)

No-Slip Traction System

from

$544.99
For vehicles that are driven daily, the Powertrax 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 Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!The Powertrax® Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Powertrax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.
  • Powertrax® lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.
  • Powertrax® offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction.
  • Powertrax® = Extreme Traction Systems!
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    Motive Gear – Differential Mini Spool (Part No.MS12C)

    Differential Mini Spool

    from

    $108.99


    Product Features:
    • MINI SPOOL GM12 BOLT CAR & TRUCK STRANGE # 088430
    See More

    Dorman – Differential Cover (Part No.697-700)

    Differential Cover

    from

    $37.99
    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.

    Product Features:
    • Direct replacement – this differential cover matches the fit and function of the original equipment diff cover on select vehicles
    • Reliable repair – the smart solution for fixing an existing cover that’s rusted, damaged or leaking differential fluid
    • Durable construction – this differential cover is made according to strict engineering standards to help ensure dependability
    • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
    See More

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

    Differential Cover Plug

    from

    $6.99
    Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

    Product Features:
    • Meets or exceeds OE specifications
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    Motive Gear – Differential Ring and Pinion (Part No.GM10-342A)

    Differential Ring and Pinion

    from

    $234.99


    Product Features:
    • GM 10BL 8.5 R/P 3.42A MG FRT/REAR
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    National – Bearing Race (Part No.M86610)

    Bearing Race

    from

    $9.99
    Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.

    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
    See More

    ARP Auto Racing – For Use With General Motors, 0.800" Head L, 3/8" – 24 Thread Size, Chrome Moly (Part No.230-3001)

    For Use With General Motors, 0.800"  Head L, 3/8" - 24 Thread Size, Chrome Moly

    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.

    Product Features:
    • Forged From Premium Grade 8740 Chrome Moly Steel
    • Heat Treated
    • Nominally Rated At 200,000 Psi Tensile Strength
    • Specially Hardened, Precision Ground Washers
    • 3/8″-24 RH Thread Size
    • 0.8″ Underhead Length
    • 200,000 PSI
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    Castrol – Transmax ATF/CVT Universal Transmission Fluid, Smooth Performance, 1 Gallon (Part No.15E0C8)

    Transmax ATF/CVT Universal Transmission Fluid, Smooth Performance, 1 Gallon

    from

    $28.99
    Castrol® Transmax® ATF/CVT Universal is a premium full-synthetic transmission fluid engineered for exceptional performance in both traditional step-shifting automatic transmissions and modern continuously variable transmissions (CVTs). Featuring Castrol Smooth Drive® Technology, it ensures enhanced friction durability for seamless gear shifts and superior high-temperature protection to resist oxidation. This advanced formulation offers unmatched protection against copper corrosion, extending the life of your transmission system. Its broad compatibility covers a wide range of ATF and CVT applications, including Dexron VI, Mercon LV, Toyota WS, Honda DW-1, Nissan Matic S, and many more, making it ideal for diverse vehicle types, including hybrids. Designed to improve workshop efficiency and simplify inventory management, this fluid is a versatile solution for professional mechanics and DIY enthusiasts alike. Packaged in a convenient 1-gallon size, it delivers outstanding value and reliability for maintaining optimal transmission performance.

    Product Features:
    • Enhanced friction durability for smooth transmission performance
    • Superior high temperature protection to effectively resist oxidation
    • Unsurpassed protection against copper corrosion
    • Broad scope of vehicle applications improves workshop efficiency and inventory management
    • ATF Applications: Dexron VI (Dexron III, Dexron), Mercon LV (Mercon SP, Mercon V, Mercon), JASO 1A (03), JASO 1A LV (13), Toyota T IV, Toyota T III, Toyota WS, Honda/Acura DW 1/Z 1, Nissan Matic D, Matic J, Matic S, Hyundai/Kia SP IV, SP III
    • ATF Applications: Mazda ATF M-V, M-III, FZ, Mitsubishi SP IV, SP III, IIM, II, PA, J3, VW/Audi (6, 8 & 9 speed automatics), BMW/Mini (6, 8 and 9 speed automatics), Jaguar/Land Rover (6, 8 & 9 speed automatics), Porsche (6, 8 & 9 speed automatics)
    • ATF Applications: Volvo (6, 8 and 9 speed automatics), Volvo Transmission Oil 97342, AT102, Mercedes-Benz (7 and 9 speed automatics)
    • CVT Applications: Toyota CVT Fluid TC, Toyota CVT Fluid FE , Nissan CVT Fluid NS-1, Nissan CVT Fluid NS-2, Nissan CVT Fluid NS-3, Subaru i-CVT Fluid, Subaru i-CVT FG, Subaru Lineartronic High Torque Chain CVTF, Honda HCF-2
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    Pro-King – Differential Pinion Gear Washer (Part No.742G216)

    Differential Pinion Gear Washer

    from

    $2.59
    Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

    Product Features:
    • Meets or exceeds OE specifications
    See More

    Pro-King – Differential Cross Shaft (Part No.742G673)

    Differential Cross Shaft

    from

    $28.49
    Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

    Product Features:
    • Meets or exceeds OE specifications
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    Dorman – Differential Yoke including Seal and Pinion Nut (Part No.697-500)

    Differential Yoke including Seal and Pinion Nut

    from

    $139.99
    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.

    Product Features:
    • Direct replacement – this differential end yoke matches the fit and construction of the original yoke
    • Excellent value – this replacement end yoke offers original equipment quality at a fraction of the price of dealer parts
    • Quality materials – this end yoke is machined from cast iron for strength and is precision machined for reliability
    • Validated fit – this differential end yoke has been tested to confirm accurate fit
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    Felpro – Axle Housing Cover Gasket Oval Shaped 12 Bolt Hole Gasket (Part No.RDS 55029)

    Axle Housing Cover Gasket Oval Shaped 12 Bolt Hole Gasket

    from

    $8.49
    Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

    Product Features:
    • Meets or exceeds all original equipment specifications
    • Application specific design to ensure a perfect fit
    • Unsurpassed quality you can trust
    • Validated for fit, form and function
    • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
    See More

    Motive Gear – Differential Carrier Shim Kit (Part No.1101)

    Differential Carrier Shim Kit

    from

    $8.99
    High-quality Differential Carrier Shim Kit

    Product Features:
    • CARRIER SHIMS 12 BOLT GM CAR & TRUCK ALSO GM8.6″ 99-ON
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    National – Shaft Repair Sleeve (Part No.99193)

    Shaft Repair Sleeve

    from

    $43.99
    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:
    • 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
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    Motive Gear – Differential Carrier Gear Kit (Part No.GM10BI)

    Differential Carrier Gear Kit

    from

    $111.99


    Product Features:
    • GM10 BOLT 8.5″ 28 SPL INTERNAL KIT (OPEN)
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    Dorman – Rear Axle Shaft, Left Or Right (Part No.630-114A)

    Rear Axle Shaft, Left Or Right

    from

    $129.99
    Axle shaft damaged or bearings worn out. This axle shaft directly replaces the original equipment on certain vehicles, complete with all necessary application-specific installation components.

    Product Features:
    • Direct replacement – this axle shaft replaces the original equipment on specific vehicle years, makes and models
    • Complete kit – each shaft includes critical installation hardware and components needed for specific vehicle applications
    • Durable construction – designed to rigorous standards and tested to ensure performance
    • Trustworthy solution – backed by team of engineers and quality control specialists in the United States
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    Pro-King – Differential Cross Shaft (Part No.742G930)

    Differential Cross Shaft

    from

    $2.99
    Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

    Product Features:
    • Meets or exceeds OE specifications
    See More

    Richmond Gear – MiniSpool (Part No.78-1230-1)

    MiniSpool

    from

    $151.99
    MiniSpool

    Richmond Gear – Differential Cross Shaft (Part No.80-0269-1)

    Differential Cross Shaft

    from

    $64.99
    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!

    Product Features:
    • For over 80-years, the Richmond Double-Diamond logo has represented some of the highest quality gears in the racing industry. Winners Run Richmond!
    • The superior quality of Richmond gearsets is a result of outstanding design, world class manufacturing and an extensive testing process that is performed on all products.
    • Richmond performance gearsets have been winners for decades at: NHRA, NMRA, NMCA, Daytona 500, WISSOTA and U.S. Nationals.
    • Richmond Gear is a leading manufacturer of high performance ring and pinion gearsets and drivetrain components, backed by a two year warranty.
    • Engineered to perform faster and be more reliable, Richmond performance drivetrain products are the result of a continuous research and development program combined with state-of-the-art manufacturing capabilities.
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    Dorman – Help – Pinion Crush Sleeves (Part No.81058)

    Pinion Crush Sleeves

    from

    $6.99
    This differential crush sleeve is designed to match the fit and function of the original sleeve on specified vehicles, and is engineered for durability and reliable performance.

    Product Features:
    • Direct replacement – this differential crush sleeve is designed to match the fit and function of the original sleeve on specified vehicles
    • Required replacement – when servicing the differential
    • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
    • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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    Richmond Gear – RngPnnInstlKt (Part No.83-1021-1)

    RngPnnInstlKt

    from

    $182.99
    RngPnnInstlKt

    Richmond Gear – Differential Spool Bearing Kit (Part No.29-0013-1)

    Differential Spool Bearing Kit

    from

    $58.99
    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!

    Product Features:
    • For over 80-years, the Richmond Double-Diamond logo has represented some of the highest quality gears in the racing industry. Winners Run Richmond!
    • The superior quality of Richmond gearsets is a result of outstanding design, world class manufacturing and an extensive testing process that is performed on all products.
    • Richmond performance gearsets have been winners for decades at: NHRA, NMRA, NMCA, Daytona 500, WISSOTA and U.S. Nationals.
    • Richmond Gear is a leading manufacturer of high performance ring and pinion gearsets and drivetrain components, backed by a two year warranty.
    • Engineered to perform faster and be more reliable, Richmond performance drivetrain products are the result of a continuous research and development program combined with state-of-the-art manufacturing capabilities.
    See More

    Richmond Gear – RngPnnInstlKt (Part No.83-1044-B)

    RngPnnInstlKt

    from

    $43.99
    RngPnnInstlKt

    Pro-King – Differential Drive Pinion Nut (Part No.740A961)

    Differential Drive Pinion Nut

    from

    $4.99
    Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

    Product Features:
    • Meets or exceeds OE specifications
    See More

    Driveworks – Oil Seal (Part No.S-2043)

    Oil Seal

    from

    $10.79
    Value-priced seal meets all cataloged application requirements.

    Product Features:
    • Brand may vary by location
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    Schaeffler – Shaft Seal (Part No.SS2588)

    Shaft Seal

    from

    $30.49
    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:
    • High-precision and High-quality components used in all KITs
    • Coverage of classic and new high-tech solutions for the best system coverage
    See More

    Most Popular Differential Oil for 1983 Oldsmobile 98s

    Enhance your 1983 Oldsmobile 98 with this popular Differential Oil we have in stock, for $35.99.

    Valvoline – MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon (Part No.773775)

    MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon

    from

    $35.99
    Valvoline MaxLife Multi-Vehicle ATF is a full-synthetic formulation with advanced additives to prevent the major causes of transmission breakdown and help extend transmission life.  Developed to help prevent leaks, maximize transmission performance, reduce transmission wear, and maintain smooth shifting longer than conventional fluids. It is suitable for use in a broad range of ATF applications including most Ford, GM, Toyota, Honda, Nissan, Hyundai, BMW, Mercedes, Volvo, VW & Audi. Recommended for use in the following applications: GM DEXRON-II, DEXRON-III, DEXRON-VI, Ford MERCON LV, Toyota/Lexus Type T, T-II, T-IV, WS, Honda/Acura, ATF-Z1, Nissan/Infiniti Matic-D, Matic-J, Matric-K, Matic-S, Hyundai/Kia SP-II, SP-III, SP-IV, SPH-IV, BMW 7045E, ETL 8072B, LA2634, LT71141, Allison C-4, Mercedes Benz NAG-1, Volvo 1161521, 1161540, 97340, 1273.41, and VW/Audi G-052-025-A2, G-052-162-A1. For CVT applications Valvoline recommends Valvoline Full Synthetic CVT Fluid.

    Product Features:
    • Formulated with full-synthetic base oils and long life friction modifiers to help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids
    • High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks in high mileage transmissions
    • 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
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    Best-Selling 1983 Oldsmobile 98 Rear Housing Cover Gaskets

    Upgrade your 98 with one of our 2 best-selling Rear Housing Cover Gaskets, earning an average 4.75 stars rating across 240 reviews.

    Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 55072)

    Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket

    from

    $8.99
    Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

    Product Features:
    • Meets or exceeds all original equipment specifications
    • Application specific design to ensure a perfect fit
    • Engineered for the sealing repair environment
    • Validated for fit, form and function
    • Unsurpassed quality you can trust
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    Felpro – Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket (Part No.RDS 55028-1)

    Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket

    from

    $10.99
    Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

    Product Features:
    • Meets or exceeds all original equipment specifications
    • Application specific design to ensure a perfect fit
    • Unsurpassed quality you can trust
    • Validated for fit, form and function
    • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
    See More

    Top-Quality Differential Bearings for 1983 Oldsmobile 98s

    Choose a high-quality OEM or aftermarket Differential Bearing for Oldsmobile 98s and enjoy top-notch performance from $10.99.

    National – Multi-Purpose Bearing (Part No.A-6)

    Multi-Purpose Bearing

    from

    $16.99
    National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

    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
    See More

    Driveworks – Taper Bearing Cone (Part No.S-LM-501349)

    Taper Bearing Cone

    from

    $10.99
    Value-priced bearing meets all cataloged application requirements.

    Product Features:
    • Brand may vary by location
    See More

    National – Multi-Purpose Bearing (Part No.A-36)

    Multi-Purpose Bearing

    from

    $27.99
    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
    See More

    Schaeffler – Bearing – TRB (Tapered Roller Bearing) (Part No.KT36)

    Bearing - TRB (Tapered Roller Bearing)

    from

    $34.49
    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:
    • High-precision and High-quality components used in all KITs
    • Coverage of classic and new high-tech solutions for the best system coverage
    See More

    Our Top Pick for a 1983 Oldsmobile 98 Rear Differential Cover Gasket

    Invest in a durable Rear Differential Cover Gasket for your 1983 Oldsmobile, knowing you’re getting trusted brands and expert craftsmanship.

    Pro-King – Differential Cover Gasket (Part No.742G303A)

    Differential Cover Gasket

    from

    $31.49
    Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

    Product Features:
    • Meets or exceeds OE specifications
    See More

    Top-Rated Differential Covers for 1983 Oldsmobile 98s

    Make a smart move for your 1983 Oldsmobile 98 with products all priced from $24.99 to $77.99.

    Dorman – Differential Cover (Part No.697-701)

    Differential Cover

    from

    $24.99
    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.

    Product Features:
    • Direct replacement – this differential cover matches the fit and function of the original equipment diff cover on select vehicles
    • Reliable repair – the smart solution for fixing an existing cover that’s rusted, damaged or leaking differential fluid
    • Durable construction – this differential cover is made according to strict engineering standards to help ensure dependability
    • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
    See More

    Dorman – Differential Cover (Part No.697-700)

    Differential Cover

    from

    $37.99
    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.

    Product Features:
    • Direct replacement – this differential cover matches the fit and function of the original equipment diff cover on select vehicles
    • Reliable repair – the smart solution for fixing an existing cover that’s rusted, damaged or leaking differential fluid
    • Durable construction – this differential cover is made according to strict engineering standards to help ensure dependability
    • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
    See More

    Mr. Gasket – Differential Cover Kit (Part No.9891)

    Differential Cover Kit

    from

    $77.99
    Add some bling to the underside of your car with Mr. Gasket’s chrome differential cover. This chrome-plated steel cover is made to fit GM 10-bolt with 8 1/2 in ring gear. Is a complete kit with a gasket and bolts.

    Product Features:
    • Made Of Chrome Plated Steel
    • Fits GM 8.5-Inch 10 Bolt
    • Complete Kit With Gasket And Bolts
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    ATP – DIFF COVER KIT (Part No.111102)

    DIFF COVER KIT

    from

    $29.99
    DIFF COVER KIT

    ATP – DIFF COVER KIT (Part No.111101)

    DIFF COVER KIT

    from

    $35.99
    DIFF COVER KIT

    Top-Rated Differential Brands For Your 1983 Oldsmobile 98

    When it comes to finding the perfect Differential for your 1983 Oldsmobile 98, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 15 trusted brands. We carry the most popular Differential brands including National, Dorman, and Motive Gear, and more, all known for their exceptional customer ratings (average brand rating of 4.3 stars) and competitive prices, as low as $6.79. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1983 Oldsmobile 98, providing peace of mind with parts that meet or exceed OEM standards.

    Popular National 1983 Oldsmobile 98 Differentials

    If you’re looking for a top-quality Differential for your 1983 Oldsmobile 98, 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 $11.99 and an average cost of $60.32, you’ll find the perfect Differential for your needs and budget. National Differentials for the 1983 Oldsmobile 98 come highly rated, with over 29 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.
    Axle Differential Bearing & Seal Kit
    from $151.99
    (2)
    Axle Differential Bearing & Seal Kit
    “All you need to overhaul a diff, at a good price”
    Multi-Purpose Bearing
    from $16.99
    (25)
    Multi-Purpose Bearing
    “Smooth”
    Bearing Race
    from $11.99
    (2)
    Bearing Race
    “Reasonable price and woks well. front diff 2006 Escalade esv”

    Top-Quality Dorman 1983 Oldsmobile 98 Differentials

    For those in search of a high-quality Differential for their 1983 Oldsmobile 98, Advance Auto Parts offers a great selection of Dorman Differentials. With 3 Dorman 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 $6.79, with an average price of $57.26, giving you a range of options to suit your budget. Backed by over 59 customer ratings and an average rating of 4.2 stars, Dorman Differentials provide both reliability and excellent performance. Choosing a Dorman Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
    Differential Cover
    from $24.99
    (38)
    Differential Cover
    “Item as described and good price.”
    Differential Yoke including Seal and Pinion Nut
    from $139.99
    (10)
    Differential Yoke including Seal and Pinion Nut
    “Will this fot 2001 jeep grand cherokee 4.0 limited with dana 35 read end”
    Differential Shaft Lock Bolt
    from $6.79
    (11)
    Differential Shaft Lock Bolt
    “great”

    FAQs for 1983 Oldsmobile 98 Differentials

    What are the best-selling Differentials for 1983 Oldsmobile 98s?

    Out of 140 Differentials that fit 1983 Oldsmobile 98s, the following parts are the top sellers:

    What’s the price range for 1983 Oldsmobile 98 Differentials?

    The prices of Differentials for the 1983 Oldsmobile 98 range from $2.59 up to $2,219.99 for the most premium parts.

    What is the average price of a Differential for a 1983 Oldsmobile 98?

    The average price for Differentials for the 1983 Oldsmobile 98 is $275.32. 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?

    Yes, we carry Differentials for 42 model years of Oldsmobile 98s between 1953 and 1996. The following model years are the most popular for Differential purchases: 1996, 1995, 1994, 1993, 1992, 1991, 1990, 1989, and 1988.

    What are the cheapest Differentials for my 1983 Oldsmobile 98?

    The cheapest 1983 Oldsmobile 98 Differentials we carry are:

    Does Advance Auto Parts sell Differentials for any other 1983 Oldsmobile models?

    Yes. We stock Differentials for 8 other popular 1983 Oldsmobile models. Some of the most popular are 1983 Cutlass Differentials, 1983 Cutlass Supreme Differentials, 1983 Delta 88 Differentials, 1983 Toronado Differentials, and 1983 Custom Cruiser Differentials.

    What are the top-rated Differentials that fit the 1983 Oldsmobile 98?

    The one 1983 Oldsmobile 98 Differential we have in stock is the Differential Pinion Gear Washer. It costs $2.59.

    What types of Differentials do you sell for my 1983 Oldsmobile 98?

    As of 3/1/26, these are some of the most in-demand types of Differentials for a 1983 Oldsmobile 98:

    Can I get help with 1983 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.