1980 Buick Skylark Differentials

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Keep Your 1980 Buick Skylark in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1980 Buick Skylark looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Oil, Rear Differential 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 and Driveworks. For example, National Differentials start at just $9.99 with an average 4.3 star rating. Driveworks offer similar pricing and quality, backed by strong customer feedback. With over 690 reviews and a solid 4.6 star average, you can shop with confidence knowing other Buick Skylark owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1980 Buick Skylark Differential at Advance Auto Parts is around $19.41, with a range that starts at $2.59 and goes up to $81.99. With 22 options in stock from 6 trusted brands, finding the right fit is easy. Popular picks like Yukon Gear 3 Qt – Penzoil 80W90 Conventional Gear Oil, 15002, Pro-King Differential Rebuild Kit, 742G004, and National Bearing, JL69349 start at just $16.79 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 Transfer Cases. At Advance Auto Parts, we’re here to help you keep your 1980 Buick Skylark in peak condition, inside and out.

Essential 1980 Buick Skylark Differentials

National – National Shaft Repair Sleeve, 99139 (Part No.99139)

National Shaft Repair Sleeve, 99139

from

$41.49
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
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Pro-King – Pro-King Differential 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 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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Driveworks – Driveworks Taper Bearing Cup, S-LM-501314 (Part No.S-LM-501314)

Driveworks Taper Bearing Cup, S-LM-501314

from

$7.99
Value-priced bearing meets all cataloged application requirements.
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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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Schaeffler – Schaeffler Cup, 15245 (Part No.15245)

Schaeffler Cup, 15245

from

$7.99
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.
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Yukon Gear – Yukon Gear Crush sleeve, 33110 (Part No.33110)

Yukon Gear Crush sleeve, 33110

from

$5.99
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 57-62 Oldsmobile Drop Out Crush Sleeve, 33111 (Part No.33111)

Yukon Gear 57-62 Oldsmobile Drop Out Crush Sleeve, 33111

from

$36.99
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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Pro-King – Pro-King Differential Pinion Gear Washer, 742G216 (Part No.742G216)

Pro-King Differential Pinion Gear Washer, 742G216

from

$2.59
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
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Driveworks – Driveworks Taper Bearing Set, S-A-5 (Part No.S-A-5)

Driveworks Taper Bearing Set, S-A-5

from

$11.99
Value-priced bearing meets all cataloged application requirements.
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Pro-King – Pro-King Differential Pinion Shim Kit, 742G202 (Part No.742G202)

Pro-King Differential Pinion Shim Kit, 742G202

from

$6.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
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Yukon Gear – "Yukon Gear Pinion Depth Shims for GM 8.25""IFS, 8.5"", 12 Bolt Car, Ford 8.8"", Chrysler 8.25"", 55009" (Part No.55009)

"Yukon Gear Pinion Depth Shims for GM 8.25""IFS, 8.5"", 12 Bolt Car, Ford 8.8"", Chrysler 8.25"", 55009"

from

$27.99
Yukon shim kits are precision machined and tailored for each individual application to ensure you have the right shims for every set up.
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Pro-King – Pro-King Differential Cover Plug, 742G484 (Part No.742G484)

Pro-King Differential Cover Plug, 742G484

from

$6.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
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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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Schaeffler – Schaeffler Shaft Seal, SS2421 (Part No.SS2421)

Schaeffler Shaft Seal, SS2421

from

$9.99
Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.
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Yukon Gear – "Yukon Gear 7.2"" GM 7.5"" GM & 8.2"" GM Pinion Seal, 30192" (Part No.30192)

"Yukon Gear 7.2"" GM 7.5"" GM & 8.2"" GM Pinion Seal, 30192"

from

$9.99
Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come.
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Driveworks – Driveworks Oil Seal, S-5778 (Part No.S-5778)

Driveworks Oil Seal, S-5778

from

$13.99
Value-priced seal meets all cataloged application requirements.
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Yukon Gear – Yukon Gear Dropout Pinion Seal for Oldsmobile and Pontiac, 30100 (Part No.30100)

Yukon Gear Dropout Pinion Seal for Oldsmobile and Pontiac, 30100

from

$65.99
Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come.
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Motive Gear – Motive Gear Differential Bearing Kit – Timken, R8.5PRT (Part No.R8.5PRT)

Motive Gear Differential Bearing Kit - Timken, R8.5PRT

from

$94.99
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
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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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Motive Gear – Motive Gear Differential Master Bearing Kit – Koyo, R10RMK (Part No.R10RMK)

Motive Gear Differential Master Bearing Kit - Koyo, R10RMK

from

$158.99
Motive Gear Differential Master Bearing Kit – Koyo, R10RMK.
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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.
See More

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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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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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.
See More

Most Popular Differential Oil for 1980 Buick Skylarks

Enhance your 1980 Buick Skylark with one of the 2 Differential Oil we have in stock, starting at just $35.99.

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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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 1980 Buick Skylark Rear Differential Cover Gasket

Upgrade your Skylark with our best-selling Rear Differential Cover Gasket.

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.
See More

Top-Quality Differential Bearings for 1980 Buick Skylarks

Choose a high-quality OEM or aftermarket Differential Bearing for Buick Skylarks and enjoy top-notch performance from $7.99.

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

National Multi-Purpose Bearing, A-18

from

$18.29
Manufactured with premium-grade steel, National taper bearing sets feature crowned raceways and rollers to ensure even load distribution.
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National – National Taper Bearing Cup, 15245 (Part No.15245)

National Taper Bearing Cup, 15245

from

$9.99
Manufactured with premium-grade steel, National® taper bearing cups feature crowned raceways to ensure even load distribution.
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National – National Bearing, JL69349 (Part No.JL69349)

National Bearing, JL69349

from

$16.79
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 Bearing – TRB (Tapered Roller Bearing), KT4 (Part No.KT4)

Schaeffler Bearing - TRB (Tapered Roller Bearing), KT4

from

$13.99
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.
See More

Schaeffler – Schaeffler Cone, KL44649 (Part No.KL44649)

Schaeffler Cone, KL44649

from

$11.99
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.
See More

Schaeffler – Schaeffler Cup, 15245 (Part No.15245)

Schaeffler Cup, 15245

from

$7.99
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.
See More

Our Top Pick for a 1980 Buick Skylark Differential Carrier Bearing Set

Invest in a durable Differential Carrier Bearing Set for your 1980 Buick, knowing you’re getting trusted brands and expert craftsmanship.

Driveworks – Driveworks Taper Bearing Set, S-A-5 (Part No.S-A-5)

Driveworks Taper Bearing Set, S-A-5

from

$11.99
Value-priced bearing meets all cataloged application requirements.
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Our Differential Pinion Seals for 1980 Buick Skylarks

Make a smart move for your 1980 Buick Skylark with our Differential Pinion Seal for $19.99.

Schaeffler – Schaeffler Shaft Seal, SS2588 (Part No.SS2588)

Schaeffler Shaft Seal, SS2588

from

$19.99
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.
See More

Top-Rated Differential Brands For Your 1980 Buick Skylark

When it comes to finding the perfect Differential for your 1980 Buick Skylark, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 6 trusted brands. We carry the most popular Differential brands including National and Driveworks, and more, all known for their exceptional customer ratings (average brand rating of 4.3 stars) and competitive prices, as low as $9.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1980 Buick Skylark, providing peace of mind with parts that meet or exceed OEM standards.

Popular National 1980 Buick Skylark Differentials

If you’re looking for a top-quality Differential for your 1980 Buick Skylark, 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 $9.99 and an average cost of $23.26, you’ll find the perfect Differential for your needs and budget. National Differentials for the 1980 Buick Skylark come highly rated, with over 45 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.
National Multi-Purpose Bearing, A-18
from $18.29
(36)
National Multi-Purpose Bearing, A-18
“High quality.”
National Taper Bearing Cup, 15245
from $9.99
(8)
National Taper Bearing Cup, 15245
“It fits in Ford. I drove only few hundred miles can’t say much about it.”
National Shaft Repair Sleeve, 99139
from $41.49
(1)
National Shaft Repair Sleeve, 99139
“used these speedy sleeves on the front axle of my Kubota with the wheel seals,saved me from spending 15 times more on the axle’s, Thank’s”

Top-Quality Driveworks 1980 Buick Skylark Differentials

For those in search of a high-quality Differential for their 1980 Buick Skylark, 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 $11.99, giving you a range of options to suit your budget. Backed by over 70 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.
Driveworks Taper Bearing Set, S-A-5
from $11.99
(70)
Driveworks Taper Bearing Set, S-A-5
“Great”

FAQs for 1980 Buick Skylark Differentials

What are the best-selling Differentials for 1980 Buick Skylarks?

Out of 22 Differentials that fit 1980 Buick Skylarks, the following parts are the top sellers:

What’s the price range for 1980 Buick Skylark Differentials?

The prices of Differentials for the 1980 Buick Skylark range from $2.59 up to $81.99 for the most premium parts.

What is the average price of a Differential for a 1980 Buick Skylark?

The average price for Differentials for the 1980 Buick Skylark is $19.41. 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 Skylark model years?

Yes, we carry Differentials for 35 model years of Buick Skylarks between 1954 and 1998. The following model years are the most popular for Differential purchases: 1998, 1997, 1996, 1995, 1994, 1993, 1992, 1991, and 1990.

What are the cheapest Differentials for my 1980 Buick Skylark?

The cheapest 1980 Buick Skylark Differentials we carry are:

Does Advance Auto Parts sell Differentials for any other 1980 Buick models?

Yes. We stock Differentials for 5 other popular 1980 Buick models. Some of the most popular are 1980 Regal Differentials, 1980 Century Differentials, 1980 LeSabre Differentials, 1980 Riviera Differentials, and 1980 Electra Differentials.

What types of Differentials do you sell for my 1980 Buick Skylark?

As of 8/2/26, these are some of the most in-demand types of Differentials for a 1980 Buick Skylark:

Can I get help with 1980 Buick Skylark 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 Skylark Differentials?

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