1981 Buick Electra Differentials

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Keep Your 1981 Buick Electra in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1981 Buick Electra looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Oil, Differential Covers, and Rear Housing Cover Gaskets. 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 Motive Gear, Felpro, and National. For example, Motive Gear Differentials start at just $3.99 with an average 4.1 star rating. Felpro and National offer similar pricing and quality, backed by strong customer feedback. With over 2,513 reviews and a solid 4.2 star average, you can shop with confidence knowing other Buick Electra owners approve.

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 Buick Electra in peak condition, inside and out.

Find Your Specific 1981 Buick Electra Differentials

Looking for the perfect Differential for your 1981 Buick Electra? 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 Buick Electra. Whether you’re driving a 1981 model or another popular model year like 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, and 1990, 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 Buick Electra Differentials

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

Motive Gear Ring Gear Bolt, 14066913

from

$2.99
Motive Gear Ring Gear Bolt, 14066913.
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Yukon Gear – "Yukon Gear Dura Grip Spider Gear Set for 7.5"" & 7.625"" GM Diff. with 28 Spline Axles, 16117" (Part No.16117)

"Yukon Gear Dura Grip Spider Gear Set for 7.5"" & 7.625"" GM Diff. with 28 Spline Axles, 16117"

from

$279.99
Yukon Gear & Axle spider gear kits utilize the highest quality materials and best production techniques in the industry to ensure a longer lasting spider gear set. Kit delivers everything needed for a complete and proper spider gear set replacement.
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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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Yukon Gear – "Yukon Gear Dura Grip Spider Gear Set for GM 8.5"" Differential with 28 Spline Axles, 16052" (Part No.16052)

"Yukon Gear Dura Grip Spider Gear Set for GM 8.5"" Differential with 28 Spline Axles, 16052"

from

$336.99
Yukon Gear & Axle spider gear kits utilize the highest quality materials and best production techniques in the industry to ensure a longer lasting spider gear set. Kit delivers everything needed for a complete and proper spider gear set replacement.
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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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(38 reviews)
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Powertrax – Powertrax Differential Lock Assembly, 9207853005 (Part No.9207853005)

Powertrax Differential Lock Assembly, 9207853005

from

$544.99
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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Yukon Gear – "Yukon Gear 3/8"" Ring Gear Bolt Washer For GM 12 Bolt Car & Truck, 8.2 Bop & More, 33347" (Part No.33347)

"Yukon Gear 3/8"" Ring Gear Bolt Washer For GM 12 Bolt Car & Truck, 8.2 Bop & More, 33347"

from

$4.99
“3/8″” ring gear bolt washer for GM 12 bolt car & truck, 8.2 BOP & more.”
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Richmond Gear – Richmond Gear Differential Bearing Kit, 29-0013-1 (Part No.29-0013-1)

Richmond Gear Differential Bearing Kit, 29-0013-1

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

Pro-King Differential Cross Shaft, 742G673

from

$28.49
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
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Yukon Gear – "Yukon Gear Master Overhaul Kit for GM 8.2"", Buick, Oldsmobile, and Pontiac, 14085" (Part No.14085)

"Yukon Gear Master Overhaul Kit for GM 8.2"", Buick, Oldsmobile, and Pontiac, 14085"

from

$309.99
Yukon Master Overhaul Kits give you all the high-quality parts you need to start and finish every differential job. Yukon offers more tailor-made kits than any other manufacturer in the industry to meet your specific installation needs. This kit uses Timken bearings and races along with high quality seals and small parts. Yukon Master Overhaul Kits are the most comprehensive and complete kits on the market because Yukon does extensive research to ensure that every kit has everything you need for your application.
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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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National – National Tapered Roller Bearing Cone, M804049 (Part No.M804049)

National Tapered Roller Bearing Cone, M804049

from

$35.49
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
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Schaeffler – Schaeffler Shaft Seal, SS2983 (Part No.SS2983)

Schaeffler Shaft Seal, SS2983

from

$9.99
Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.
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Yukon Gear – "Yukon Gear Dura Grip Case, GM 7.5 & 7.625"", 3.23 & Up, 20106" (Part No.20106)

"Yukon Gear Dura Grip Case, GM 7.5 & 7.625"", 3.23 & Up, 20106"

from

$399.99
“GM 7.5″” & 7.6″” DURA GRIP case, bare, 3.23 & up, 26spline & 28spline.”
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Yukon Gear – "Yukon Gear Standard Open Pinion Gear Thrust Washer, GM 8.5""/8.6"", 8.5"" Eaton, 0.795"" Pin, 33385" (Part No.33385)

"Yukon Gear Standard Open Pinion Gear Thrust Washer, GM 8.5""/8.6"", 8.5"" Eaton, 0.795"" Pin, 33385"

from

$10.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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Yukon Gear – "Yukon Gear Duragrip Posi For 8.2"" Buicks, Olds & Pontiac With 28 Spline Axles, 26024" (Part No.26024)

"Yukon Gear Duragrip Posi For 8.2"" Buicks, Olds & Pontiac With 28 Spline Axles, 26024"

from

$929.99
“The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence & performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction. The Yukon Dura Grip uses a nodular case and forged 4320 internals for added strength along with composite clutches for high performance and long life. All units are Rebuildable and many offer upgrades to increase aggressiveness for racing applications. Each unit carries a one year warranty against defects. This case is drilled for 3/8″” bolts. Some factory gears use 7/16″” bolts. If your factory gear uses 7/16″” bolts you will need to drill out the ring gear bolt holes.”
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USA Standard Gear – USA Standard Gear Differential Open Unit/Component, 17041 (Part No.17041)

USA Standard Gear Differential Open Unit/Component, 17041

from

$649.99
The Spartan Locker, by USA Standard Gear, provides reliable traction at a low cost. Give your vehicle great traction and save some cash. Choose a Spartan Locker for better traction. The Spartan locker by USA standard gear is a mechanical locker that replaces the spiders in a standard case. The Spartan locker’s design does not use the thrust washers and has a revolutionary spring and pin design that makes installation a snap! The couplers and drivers are made from 9310 steel, for added strength. Each Spartan locker carries a Limited warranty against defect.
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Dorman – Dorman Rear Axle Shaft, Left Or Right, 630-113A (Part No.630-113A)

Dorman Rear Axle Shaft, Left Or Right, 630-113A

from

$106.99
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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Yukon Gear – "Yukon Gear Ltd. Slip Clutch Guide, Chry 9.25/Dana 44/50/GM 12 Bolt/8.2""/8.5""/8.6""/Nis M226, 33352" (Part No.33352)

"Yukon Gear Ltd. Slip Clutch Guide, Chry 9.25/Dana 44/50/GM 12 Bolt/8.2""/8.5""/8.6""/Nis M226, 33352"

from

$8.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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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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Felpro – Felpro Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 55028-1 (Part No.RDS 55028-1)

Felpro Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 55028-1

from

$11.99
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.
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(195 reviews)
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Driveworks – Driveworks Tapered Roller Bearing, S-LM-603012 (Part No.S-LM-603012)

Driveworks Tapered Roller Bearing, S-LM-603012

from

$7.99
Driveworks Tapered Roller Bearing, S-LM-603012.
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Richmond Gear – Richmond Gear Differential Pinion Shaft, CSPGM75 (Part No.CSPGM75)

Richmond Gear Differential Pinion Shaft, CSPGM75

from

$26.49
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.
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Yukon Gear – "Yukon Gear Bearing Race Driver for GM 7.5"" and 7.6"" Differentials, 56016" (Part No.56016)

"Yukon Gear Bearing Race Driver for GM 7.5"" and 7.6"" Differentials, 56016"

from

$188.99
Yukon Gear & Axle offers a full line of top quality differential tools to save time and money.
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Motive Gear – Motive Gear Differential Pinion Nut, 1260823 (Part No.1260823)

Motive Gear Differential Pinion Nut, 1260823

from

$10.99
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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(1 reviews)
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Powertrax – Powertrax Differential Lock Assembly, 9207883005 (Part No.9207883005)

Powertrax Differential Lock Assembly, 9207883005

from

$551.99
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.
See More
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Dorman – Help – Dorman – Help Pinion Crush Sleeves, 81057 (Part No.81057)

Dorman - Help Pinion Crush Sleeves, 81057

from

$5.99
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.
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Popular 1981 Buick Electra Differentials Categories

Differential Oil
Differential Oil
Rear Differential Cover Gaskets
Rear Differential Cover Gaskets
Differential Open Unit and Components
Differential Open Unit and Components
Differential Covers
Differential Covers
Differential Pinion Shaft Lock Bolts
Differential Pinion Shaft Lock Bolts
Differential Bearings
Differential Bearings
Differential Axle Shafts
Differential Axle Shafts
Differential Pinion Pilot Bearings
Differential Pinion Pilot Bearings
Differential Cover Bolts
Differential Cover Bolts
Differential Carriers
Differential Carriers
Differential Bearing Kits
Differential Bearing Kits
Front Differential Pinion Bearings
Front Differential Pinion Bearings
Differential Spider Gear Kits
Differential Spider Gear Kits
Differential Rebuild Kits
Differential Rebuild Kits
Differential Carrier Shim Kits
Differential Carrier Shim Kits
Differential Pinion Seals
Differential Pinion Seals
Differential Clutch Packs
Differential Clutch Packs
Differential Mini Spools
Differential Mini Spools
Differential Ring and Pinions
Differential Ring and Pinions
Differential End Yokes
Differential End Yokes
Differential Pinion Supports
Differential Pinion Supports
Differential Lock Assemblies
Differential Lock Assemblies
Differential Spools
Differential Spools
Differential Carrier Bearings
Differential Carrier Bearings
Differential Lock Springs
Differential Lock Springs
Rear Housing Cover Gaskets
Rear Housing Cover Gaskets
Differential Pinion Bearing Kits
Differential Pinion Bearing Kits
Complete Differentials
Complete Differentials
Differential Drain Plugs
Differential Drain Plugs
Differential Ring Gear Bolts
Differential Ring Gear Bolts
Bearing Race Drivers
Bearing Race Drivers
Differential Pinion Shafts
Differential Pinion Shafts
Differential Crush Sleeves
Differential Crush Sleeves
Differential Pinion Shims
Differential Pinion Shims
Differential Pinion Shaft Nuts
Differential Pinion Shaft Nuts
Differential Gear Install Kits
Differential Gear Install Kits
Differential Cross Pins
Differential Cross Pins
Differential Pinion Gear Thrust Washers
Differential Pinion Gear Thrust Washers
Differential Limited Slip Units
Differential Limited Slip Units
Differential Lock Washers
Differential Lock Washers
Differential Pinion Bearing Spacers
Differential Pinion Bearing Spacers
Differential Clutch Pack Clips
Differential Clutch Pack Clips

Most Popular Differential Oil for 1981 Buick Electras

Enhance your 1981 Buick Electra with one of the 3 Differential Oil we have in stock, starting at just $35.99.
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Yukon Gear – Yukon Gear 3 Qt – Penzoil 80W90 Conventional Gear Oil, 15002 (Part No.15002)

Yukon Gear 3 Qt - Penzoil 80W90 Conventional Gear Oil, 15002

from

$44.99
Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials.
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Yukon Gear – "Yukon Gear Redline Synthetic ""Shock Proof"" Oil – 4 Quarts, 15004" (Part No.15004)

"Yukon Gear Redline Synthetic ""Shock Proof"" Oil - 4 Quarts, 15004"

from

$137.99
Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.
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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

from

$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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Best-Selling 1981 Buick Electra Differential Covers

Upgrade your Electra with one of our 5 best-selling Differential Covers.
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Yukon Gear – "Yukon Gear Chrome Cover for 8.6"", 8.5"" and 8.2"" GM Rear, 32017" (Part No.32017)

"Yukon Gear Chrome Cover for 8.6"", 8.5"" and 8.2"" GM Rear, 32017"

from

$74.99
These Yukon replacement diff covers take your rig a step beyond the boring factory look. They are the stock OE design finished in chrome.
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Yukon Gear – "Yukon Gear Polished Aluminum Cover for 8.6"", 8.2"" and 8.5"" GM Rear, 32030" (Part No.32030)

"Yukon Gear Polished Aluminum Cover for 8.6"", 8.2"" and 8.5"" GM Rear, 32030"

from

$255.99
These Yukon replacement diff covers take your rig a step beyond the boring factory look. They are the stock OE design made from aluminum and polished to perfection.
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Yukon Gear – "Yukon Gear Steel Cover for GM 8.2"" & 8.5"" Rear, 32332" (Part No.32332)

"Yukon Gear Steel Cover for GM 8.2"" & 8.5"" Rear, 32332"

from

$123.99
These Yukon replacement diff covers are a direct bolt-on.
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Yukon Gear – "Yukon Gear Steel Cover for GM 7.5"" & 7.625"", 32331" (Part No.32331)

"Yukon Gear Steel Cover for GM 7.5"" & 7.625"", 32331"

from

$67.99
These Yukon replacement diff covers are a direct bolt-on.
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Yukon Gear – "Yukon Gear Chrome Cover for 7.5"" GM, 32014" (Part No.32014)

"Yukon Gear Chrome Cover for 7.5"" GM, 32014"

from

$67.99
These Yukon replacement diff covers take your rig a step beyond the boring factory look. They are the stock OE design finished in chrome.
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Top-Quality Rear Housing Cover Gaskets for 1981 Buick Electras

Choose a high-quality OEM or aftermarket Rear Housing Cover Gasket for Buick Electras and enjoy top-notch performance from $8.29.
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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.
See More
View Product

Top Picks for 1981 Buick Electra Rear Differential Cover Gaskets

Invest in one of our 6 durable Rear Differential Cover Gaskets for your 1981 Buick, knowing you’re getting trusted brands and expert craftsmanship.
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Felpro – Felpro Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket, RDS 55072 (Part No.RDS 55072)

Felpro Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket, RDS 55072

from

$9.49
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.
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(45 reviews)
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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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(1 reviews)
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Felpro – Felpro Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 55028-1 (Part No.RDS 55028-1)

Felpro Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 55028-1

from

$11.99
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.
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(195 reviews)
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Felpro – Felpro Axle Housing Cover Gasket Oval Shaped 12 Bolt Hole Gasket, RDS 55029 (Part No.RDS 55029)

Felpro Axle Housing Cover Gasket Oval Shaped 12 Bolt Hole Gasket, RDS 55029

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.
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(7 reviews)
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Yukon Gear – Yukon Gear 7.5 GM Cover Gasket, 23018 (Part No.23018)

Yukon Gear 7.5 GM Cover Gasket, 23018

from

$11.99
7.5 GM cover gasket. EXTERNAL SUPPLY>FDO>BACK ROOM-FDO>APPLICATION SPECIFIC from Yukon Gear
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Pro-King – Pro-King Differential Cover Gasket, 742G303A (Part No.742G303A)

Pro-King Differential Cover Gasket, 742G303A

from

$32.49
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
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Differential Bearings for 1981 Buick Electras

Make a smart move for your 1981 Buick Electra with products all priced from $7.99 to $141.99.
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Driveworks – Driveworks Tapered Roller Bearing, S-LM-603012 (Part No.S-LM-603012)

Driveworks Tapered Roller Bearing, S-LM-603012

from

$7.99
Driveworks Tapered Roller Bearing, S-LM-603012.
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Driveworks – Driveworks Wheel Bearing Kit, S-RA-321 (Part No.S-RA-321)

Driveworks Wheel Bearing Kit, S-RA-321

from

$141.99
Driveworks Wheel Bearing Kit, S-RA-321.
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Top-Rated Differential Brands For Your 1981 Buick Electra

When it comes to finding the perfect Differential for your 1981 Buick Electra, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 14 trusted brands. We carry the most popular Differential brands including Felpro, National, and Motive Gear, and more, all known for their exceptional customer ratings (average brand rating of 4.6 stars) and competitive prices, as low as $3.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1981 Buick Electra, providing peace of mind with parts that meet or exceed OEM standards.

Popular Felpro 1981 Buick Electra Differentials

If you’re looking for a top-quality Differential for your 1981 Buick Electra, Advance Auto Parts has exactly what you need with our selection of Felpro Differentials. We have 3 Felpro Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $8.49 and an average cost of $9.99, you’ll find the perfect Differential for your needs and budget. Felpro Differentials for the 1981 Buick Electra come highly rated, with over 247 customer reviews and an impressive average rating of 4.6 stars. Choosing a Felpro Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
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
“Product easy to put on and easy to work with worked great so far”
Felpro Axle Housing Cover Gasket Oval Shaped 12 Bolt Hole Gasket, RDS 55029
from $8.49
(7)
Felpro Axle Housing Cover Gasket Oval Shaped 12 Bolt Hole Gasket, RDS 55029
“good”
Felpro Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket, RDS 55072
from $9.49
(45)
Felpro Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket, RDS 55072
“Some say no need for a gasket and to use gasket sealer only its just as good. I like to make sure that the cover is installed properly to avoid any l”

Top-Quality National 1981 Buick Electra Differentials

For those in search of a high-quality Differential for their 1981 Buick Electra, Advance Auto Parts offers a great selection of National Differentials. With 3 National 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 $11.99, with an average price of $61.42, giving you a range of options to suit your budget. Backed by over 8 customer ratings and an average rating of 4.3 stars, National Differentials provide both reliability and excellent performance. Choosing a National Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
National Multi-Purpose Seal, 8610
from $18.29
(4)
National Multi-Purpose Seal, 8610
“Perfect”
National Axle Differential Bearing & Seal Kit, RA-320
from $153.99
(2)
National Axle Differential Bearing & Seal Kit, RA-320
“All you need to overhaul a diff, at a good price”
National Bearing Race, LM501314
from $11.99
(2)
National Bearing Race, LM501314
“good quality & price”

FAQs for 1981 Buick Electra Differentials

What are the best-selling Differentials for 1981 Buick Electras?

Out of 254 Differentials that fit 1981 Buick Electras, the following parts are the top sellers:

What’s the price range for 1981 Buick Electra Differentials?

The prices of Differentials for the 1981 Buick Electra range from $2.59 up to $1,015.00 for the most premium parts.

What is the average price of a Differential for a 1981 Buick Electra?

The average price for Differentials for the 1981 Buick Electra is $201.48. 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 Buick Electra model years?

Yes, we carry Differentials for 30 model years of Buick Electras between 1959 and 1990. The following model years are the most popular for Differential purchases: 1990, 1989, 1988, 1987, 1986, 1985, 1984, 1983, and 1982.

What are the cheapest Differentials for my 1981 Buick Electra?

The cheapest 1981 Buick Electra Differentials we carry are:

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

Yes. We stock Differentials for 5 other popular 1981 Buick models. Some of the most popular are 1981 Regal Differentials, 1981 Century Differentials, 1981 LeSabre Differentials, 1981 Skylark Differentials, and 1981 Riviera Differentials.

What types of Differentials do you sell for my 1981 Buick Electra?

As of 8/2/26, these are some of the most in-demand types of Differentials for a 1981 Buick Electra:

Can I get help with 1981 Buick Electra Differential orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Buick Differentials and more.

What is your return policy for Buick Electra Differentials?

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

More Popular Parts for All Makes