1981 Oldsmobile Cutlass Supreme Differentials

Essential 1981 Oldsmobile Cutlass Supreme Differentials

Richmond Gear – MiniSpool (Part No.78-7528-1)

MiniSpool

from

$151.99
MiniSpool

National – Shaft Repair Sleeve (Part No.99152)

Shaft Repair Sleeve

from

$40.49
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.

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
  • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
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Motive Gear – Differential Mini Spool (Part No.MS7.5-28)

Differential Mini Spool

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$101.99


Product Features:
  • MINI SPOOL GM 7 1/2″ 28 SPLINE
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Pro-King – Differential Pinion Yoke Washer (Part No.742A215)

Differential Pinion Yoke Washer

from

$3.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • All products are designed to meet or exceed OE quality, form, fit and funtion.
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Richmond Gear – Differential Cross Shaft (Part No.CSPGM12)

Differential Cross Shaft

from

$27.49
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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Motive Gear – Differential Carrier Gear Kit (Part No.GM7.5BI)

Differential Carrier Gear Kit

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$115.99


Product Features:
  • INTERNAL KT GM 7.5 26 SPL
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Yukon Gear – Pinion Depth Shim Kit For Toyota8", GM 7.5", 8.2" & 12 Bolt Truck (Part No.55064)

Pinion Depth Shim Kit For Toyota8", GM 7.5", 8.2" & 12 Bolt Truck

from

$39.99
8″ Toyota, 7.5″ GM, 8.2″ GM, 12T, pinion shim set, & Mazda truck.

Product Features:
  • Pinion depth shim kit for Toyota 7.5″, 8″ and V6
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Motive Gear – Differential Master Bearing Kit – Timken (Part No.R7.5GRBMKT)

Differential Master Bearing Kit - Timken

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$120.99
Motive Gear Differential Bearing Kits Include Front & Rear Pinion Bearing, Pinion Seal, Carrier Bearings, Pilot Bearing Where Applicable, Gear Marking Compound, Crush Sleeve, Pinion Nut, Brush, Thread Locking Compound And Cover Gasket Or Rtv

Product Features:
  • MASTER KIT GM 7.5″ ‘B’ MODEL
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Motive Gear – Differential Pinion Seal (Part No.8610)

Differential Pinion Seal

from

$3.99
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 o
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Pro-King – Differential Crush Sleeve (Part No.742G034)

Differential Crush Sleeve

from

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

Product Features:
  • All products are designed to meet or exceed OE quality, form, fit and funtion.
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Powertrax – Grip LS Traction System (Part No.LS201028)

Grip LS Traction System

from

$463.99
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!
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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

$40.49
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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Powertrax – Grip LS Traction System (Part No.LS231230)

Grip LS Traction System

from

$480.99
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!
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Mr. Gasket – Differential Gasket (Part No.84A)

Differential Gasket

from

$18.09
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 1965-1972 Chevrolet/GM passenger car 12 bolt 8.875-inch ring gear 1965-72 Passenger Car.

Product Features:
  • .047″ thick cellulose/nitrile composite gasket material
  • Precision die cut
  • Reusable
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Mr. Gasket – Differential Cover Kit (Part No.9891)

Differential Cover Kit

from

$65.99
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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National – Bearings (Part No.A-6)

Bearings

from

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

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Crowned raceways and rollers to ensure even load distribution for maximum life
  • Industry leading coverage
  • Professional technicians know they can depend on National
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Yukon Gear – Pinion Nut (Part No.33152)

Pinion Nut

from

$9.99
Pinion nut for GM 7.2″ IFS, 7.5″, 7.6″, 7.6″ IFS, 8.0″, 8.25″, 8.5″, 8.6″, 9.25″ IFS, 9.5″ & Oldsmobile Dropouts. 1 1/4″ socket, 7/8″ x 14 thread.

Product Features:
  • Pinion nut for GM 7.2″, 7.5″, 7.625″, 8.0″, 8.25″ IFS, 8.5″, 8.6″, 9.25″ IFS and 9.5″
  • 7/8″ x 14 thread
  • 1 1/4″ socket
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Motive Gear – Differential Pinion Nut (Part No.1260823)

Differential Pinion Nut

from

$8.49
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 o
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Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)

Redline Synthetic "Shock Proof" Oil - 3 Quarts

from

$99.99
Redline Synthetic “Shock Proof” Oil. 3 Quarts.

Product Features:
  • Includes three quarts of Redline Shockproof oil
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Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)

Redline Synthetic "Shock Proof" Oil - 4 Quarts

from

$137.99
Redline Synthetic “Shock Proof” Oil. 4 Quarts.

Product Features:
  • Includes four quarts of Redline Shockproof oil
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Motive Gear – Differential Ring and Pinion (Part No.GM10-456A)

Differential Ring and Pinion

from

$175.99


Product Features:
  • GM 10BL 8.5 R/P 4.56A MG FRT/REAR
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Richmond Gear – RngPnn (Part No.79-0064-1)

RngPnn

from

$511.99
RngPnn

Motive Gear – Differential Gear Install Kit (Part No.GM8.5OIK)

Differential Gear Install Kit

from

$62.99


Product Features:
  • 8.5 “O” AXLE MINI INSTALLATION KIT
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Motive Gear – Differential Gear Install Kit (Part No.GM12IKC)

Differential Gear Install Kit

from

$64.49


Product Features:
  • MINI INSTALL KIT GM 12BLT 8.875 CAR
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Dorman – Help – Differential Shaft Lock Bolt (Part No.81048)

Differential Shaft Lock Bolt

from

$5.99
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
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Pro-King – Differential Cross Shaft (Part No.742G930)

Differential Cross Shaft

from

$2.79
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • All products are designed to meet or exceed OE quality, form, fit and funtion.
See More

National – Bearings (Part No.HM89449)

Bearings

from

$25.49
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Crowned raceways and rollers to ensure even load distribution for maximum life
  • Industry leading coverage
  • Professional technicians know they can depend on National
See More

National – Bearings (Part No.HM89210)

Bearings

from

$14.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Crowned raceways and rollers to ensure even load distribution for maximum life
  • Industry leading coverage
  • Professional technicians know they can depend on National
See More

1981 Oldsmobile Cutlass Supreme Differentials

Maybe you’re in the middle of a full rebuild of that 1981 Oldsmobile Cutlass Supreme. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 89 different Differentials in our inventory ranging from $2.49 to $551.99. That means you can find the exact parts or products you need to keep that 1981 Oldsmobile Cutlass Supreme running smoothly.

Differentials are only as good as their brand. We stock 10 different brands to make sure you have plenty of trusted parts to choose from for your 1981 Oldsmobile Cutlass Supreme. Valvoline, Driveworks, and National are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Differentials for your 1981 Oldsmobile Cutlass Supreme, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 3,580 reviews in this category, some of the top rated parts include Differential Ring And Pinion with 4.2 stars and Differential Ring and Pinion with 4.5 stars.

So if you’re in the market for aftermarket Differentials to keep your 1981 Oldsmobile Cutlass Supreme rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Differentials Brands To Make Your 1981 Oldsmobile Cutlass Supreme Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1981 Oldsmobile Cutlass Supreme demands trusted brand parts and products to keep it running. Many trusted brands of Differentials make up Advance Auto Parts’ inventory, and all are ready to help make your Cutlass Supreme the best it can be. Be sure to browse some of our top Differentials brands and parts.

Popular Felpro Differentials

We carry Felpro parts in our stock across Rear Differential Cover Gaskets categories, plus more. For a 1981 Oldsmobile Cutlass Supreme, our most popular Felpro Differentials include:
DIFFERENTIAL GASKET
from $7.99
(45)
DIFFERENTIAL GASKET
Rear Differential Cover Gaskets

FAQs for 1981 Oldsmobile Cutlass Supreme Differentials

What are the most purchased Differentials for the 1981 Oldsmobile Cutlass Supreme?

Out of 89 Differentials for the 1981 Oldsmobile Cutlass Supreme, the most popular in our inventory are:
Taper Bearing Set
from $10.29
(38)
Taper Bearing Set
Differential Bearings
Bearings
from $16.99
(25)
Bearings
Differential Bearings
3 Qt - Penzoil 80W90 Conventional Gear Oil
from $44.99
This product is not rated
3 Qt – Penzoil 80W90 Conventional Gear Oil
Differential Oil

What are the top-rated 1981 Oldsmobile Cutlass Supreme Differentials?

Top-rated Differentials for your 1981 Oldsmobile Cutlass Supreme based on customer reviews/ratings are:
Differential Ring And Pinion
from $342.99
(23)
Differential Ring And Pinion
“So far so good.”
Differential Ring and Pinion
from $241.99
(4)
Differential Ring and Pinion
“Perfect match and easy install”
Bearings
from $18.79
(3)
Bearings
“as advertised”