1981 Oldsmobile Cutlass Calais Differentials

Name: Differential Carrier Gear Kit
Brand: Motive Gear
SKU: GM10BI
Price: 111.99 USD

Please Select your Vehicle to See Exact Fit Parts

Keep Your 1981 Oldsmobile Cutlass Calais in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1981 Oldsmobile Cutlass Calais looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Rear Housing Cover Gaskets, Differential Bearings, and Differential Pinion 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 National, Motive Gear, and Driveworks. For example, National Differentials start at just $11.99 with an average 4.3 star rating. Motive Gear and Driveworks offer similar pricing and quality, backed by strong customer feedback. With over 1,593 reviews and a solid 4 star average, you can shop with confidence knowing other Oldsmobile Cutlass Calais owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1981 Oldsmobile Cutlass Calais Differential at Advance Auto Parts is around $145.50, with a range that starts at $2.49 and goes up to $551.99. With 68 options in stock from 10 trusted brands, finding the right fit is easy. Popular picks like Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket, Multi-Purpose Bearing, and Ring Gear Bolt start at just $2.99 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 1981 Oldsmobile Cutlass Calais in peak condition, inside and out.

Looking for the perfect Differential for your 1981 Oldsmobile Cutlass Calais? 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 Cutlass Calais. Whether you’re driving a 1981 model or another popular model year like 1979, 1980, 1982, 1983, 1984, 1988, 1989, 1990, and 1991, 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 1981 Oldsmobile Cutlass Calais Differentials

from

$111.99

Product Features:

GM10 BOLT 8.5″ 28 SPL INTERNAL KIT (OPEN)

from

$237.99

Product Features:

GM 10BL 7.5 &7.625 R/P 3.23 MGP 10 3/8 X 18 LH THRED BLTS, PD=1.438

from

$49.99

Product Features:

MINI INSTALL KIT GM 7.5

from

$2.99

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

Product Features:

Meets or exceeds OE specifications

from

$14.99

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

from

$19.99

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

Product Features:

Meets or exceeds OE specifications

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

from

$2.99

Product Features:

RING GEAR BOLT 8.5″ 7.5″ 7/16 X 20 LEFT HAND

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$182.99

RngPnnInstlKt

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$551.99

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!

from

$17.99

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

from

$35.99

DIFF COVER KIT

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$18.99

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

Product Features:

Meets or exceeds OE specifications

from

$17.99

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:

Design type: spring loaded; multi-lip
Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
Good low temperature capability
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

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$98.99

Motive Gear Mini-Spools replace your stock spider and side gears with a solid billet mini-spool for 100% traction to both wheels. Not recommended for street applications.

Product Features:

Billet construction
Not recommended for street applications
GM7.5″ MINI SPOOL 26 SPLINE

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$101.99

Product Features:

MINI SPOOL GM 7 1/2″ 28 SPLINE

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$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!

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.

from

$9.29

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.

from

$6.99

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

Product Features:

Meets or exceeds OE specifications

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

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$8.99

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

from

$2.99

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

Product Features:

Meets or exceeds OE specifications

from

$6.79

This differential pinion shaft lock bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:

Direct replacement – this differential pinion shaft lock bolt matches the fit and function of the factory part on specified years, makes and models
Ideal solution – this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
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

from

$12.99

Product Features:

KIT SHIM

from

$10.99

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

Product Features:

Meets or exceeds OE specifications

from

$2.49

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

Product Features:

Meets or exceeds OE specifications

Popular 1981 Oldsmobile Cutlass Calais Differentials Categories

Differential Oil

Differential Covers

Differential Pinion Shaft Lock Bolts

Differential Bearings

Differential Bearing Kits

Front Differential Pinion Bearings

Differential Rebuild Kits

Differential Carrier Shim Kits

Differential Pinion Seals

Differential Cover Plugs

Differential Mini Spools

Differential Ring and Pinions

Differential Pinion Supports

Differential Lock Assemblies

Differential Spools

Rear Housing Cover Gaskets

Differential Ring Gear Bolts

Differential Pinion Shafts

Differential Crush Sleeves

Differential Pinion Shims

Differential Pinion Shaft Nuts

Differential Gear Install Kits

Differential Pinion Gear Thrust Washers

Most Popular Rear Housing Cover Gasket for 1981 Oldsmobile Cutlass Calais

Enhance your 1981 Oldsmobile Cutlass Calais with this popular Rear Housing Cover Gasket we have in stock, for $8.99.

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from

$8.99

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

Best-Selling 1981 Oldsmobile Cutlass Calais Differential Bearings

Upgrade your Cutlass Calais with one of our 2 best-selling Differential Bearings, earning an average 5 stars rating across 28 reviews.

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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

from

$10.99

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

Top-Quality Differential Pinion Seals for 1981 Oldsmobile Cutlass Calais

Choose a high-quality OEM or aftermarket Differential Pinion Seal for Oldsmobile Cutlass Calais and enjoy top-notch performance from $30.49.

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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

Top Picks for 1981 Oldsmobile Cutlass Calais Differential Covers

Invest in one of our 2 durable Differential Covers for your 1981 Oldsmobile, knowing you’re getting trusted brands and expert craftsmanship.

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from

$29.99

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

Product Features:

Meets or exceeds OE specifications

from

$21.99

Pro-King High Quality Differential Products are designed for trouble free installation and setup.

Product Features:

Meets or exceeds OE specifications

Our Top-Rated Differential Oil for 1981 Oldsmobile Cutlass Calais

Make a smart move for your 1981 Oldsmobile Cutlass Calais with our Differential Oil for $35.99.

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from

$35.99

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

Top-Rated Differential Brands For Your 1981 Oldsmobile Cutlass Calais

When it comes to finding the perfect Differential for your 1981 Oldsmobile Cutlass Calais, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 10 trusted brands. We carry the most popular Differential brands including National, Driveworks, 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 $7.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1981 Oldsmobile Cutlass Calais, providing peace of mind with parts that meet or exceed OEM standards.

Popular National 1981 Oldsmobile Cutlass Calais Differentials

If you’re looking for a top-quality Differential for your 1981 Oldsmobile Cutlass Calais, 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 1981 Oldsmobile Cutlass Calais 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.

from $11.99

(2)

Bearing Race

“Reasonable price and woks well. front diff 2006 Escalade esv”

from $151.99

(2)

Axle Differential Bearing & Seal Kit

“All you need to overhaul a diff, at a good price”

from $16.99

(25)

Multi-Purpose Bearing

“Smooth”

Top-Quality Driveworks 1981 Oldsmobile Cutlass Calais Differentials

For those in search of a high-quality Differential for their 1981 Oldsmobile Cutlass Calais, Advance Auto Parts offers a great selection of Driveworks Differentials. With 1 Driveworks 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 $10.99, giving you a range of options to suit your budget. Backed by over 3 customer ratings and an average rating of 4.2 stars, Driveworks Differentials provide both reliability and excellent performance. Choosing a Driveworks Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.

from $10.99

(3)

Taper Bearing Cone

“Worked for my 2006 escalade esv front diff”

FAQs for 1981 Oldsmobile Cutlass Calais Differentials

What are the best-selling Differentials for 1981 Oldsmobile Cutlass Calais?

Out of 68 Differentials that fit 1981 Oldsmobile Cutlass Calais, the following parts are the top sellers:

Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (5782376) – $8.99
Multi-Purpose Bearing (3275973) – $16.99
Ring Gear Bolt (20520168) – $2.99

What’s the price range for 1981 Oldsmobile Cutlass Calais Differentials?

The prices of Differentials for the 1981 Oldsmobile Cutlass Calais range from $2.49 up to $551.99 for the most premium parts.

What is the average price of a Differential for a 1981 Oldsmobile Cutlass Calais?

The average price for Differentials for the 1981 Oldsmobile Cutlass Calais is $145.50. 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 Cutlass Calais model years?

Yes, we carry Differentials for 9 model years of Oldsmobile Cutlass Calais between 1978 and 1991. The following model years are the most popular for Differential purchases: 1991, 1990, 1989, 1988, 1984, 1983, 1982, 1980, and 1979.

What are the cheapest Differentials for my 1981 Oldsmobile Cutlass Calais?

The cheapest 1981 Oldsmobile Cutlass Calais Differentials we carry are:

Differential Pinion Gear Washer (10593184) – $2.49
Crush Sleeve (10715252) – $2.79
Ring Gear Bolt (20520168) – $2.99
Differential Crush Sleeve (10282146) – $2.99
Differential Ring Gear Bolt (10282159) – $2.99

Does Advance Auto Parts sell Differentials for any other 1981 Oldsmobile models?

Yes. We stock Differentials for 7 other popular 1981 Oldsmobile models. Some of the most popular are 1981 Cutlass Differentials, 1981 Cutlass Supreme Differentials, 1981 98 Differentials, 1981 Delta 88 Differentials, and 1981 Toronado Differentials.

What are the top-rated Differentials that fit the 1981 Oldsmobile Cutlass Calais?

The one 1981 Oldsmobile Cutlass Calais Differential we have in stock is the Differential Pinion Gear Washer. It costs $2.49.

What types of Differentials do you sell for my 1981 Oldsmobile Cutlass Calais?

As of 3/1/26, these are some of the most in-demand types of Differentials for a 1981 Oldsmobile Cutlass Calais:

Can I get help with 1981 Oldsmobile Cutlass Calais 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 Cutlass Calais Differentials?

Advance Auto Parts keeps returns simple. For new Oldsmobile Cutlass Calais Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

1981 Oldsmobile Cutlass Calais Differentials

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

Motive Gear – Performance Differential Ring and Pinion (Part No.G875323)

Motive Gear – Differential Gear Install Kit (Part No.GM7.5IK)

Pro-King – Differential Crush Sleeve (Part No.742G034)

National – Bearing Race (Part No.HM89210)

Pro-King – Differential Carrier Shim Kit (Part No.741A200)

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

Motive Gear – Ring Gear Bolt (Part No.14066913)

Richmond Gear – RngPnnInstlKt (Part No.83-1016-1)

Powertrax – No-Slip Traction System (Part No.9207883005)

National – Multi-Purpose Bearing (Part No.A-18)

ATP – DIFF COVER KIT (Part No.111101)

Pro-King – Differential Cross Shaft (Part No.741A673)

National – Differential Pinion Seal (Part No.2043)

Motive Gear – Differential Mini Spool (Part No.MS7.5-26)

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

Richmond Gear – Differential Cross Shaft (Part No.80-0272-1)

Motive Gear – Pinion Nut (Part No.1260823)

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

Felpro – Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket (Part No.RDS 55028-1)

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

Pro-King – Differential Cross Shaft (Part No.742G930)

Dorman – Help – Differential Shaft Lock Bolt (Part No.81048)

Motive Gear – Differential Pinion Shim Kit (Part No.1104)

Pro-King – Differential Carrier Shim Kit (Part No.741A202)

Pro-King – Differential Pinion Gear Washer (Part No.741A216)

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

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

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

Schaeffler – Shaft Seal (Part No.SS2588)

Pro-King – Differential Carrier Cover (Part No.741A758)

Pro-King – Differential Carrier Cover (Part No.742G758A)

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