1979 Buick Skylark Differentials

Name: Differential Spool Bearing Kit
Brand: Richmond Gear
SKU: 29-0013-1
Price: 58.99 USD

Please Select your Vehicle to See Exact Fit Parts

Keep Your 1979 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 1979 Buick Skylark looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Bearings, Differential Oil, and Differential Covers. 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 6,072 reviews and a solid 4 star average, you can shop with confidence knowing other Buick Skylark owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1979 Buick Skylark Differential at Advance Auto Parts is around $214.92, with a range that starts at $2.49 and goes up to $1,566.99. With 267 options in stock from 13 trusted brands, finding the right fit is easy. Popular picks like Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket, Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket, and Multi-Purpose Bearing start at just $8.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Differential, don’t forget to check out other key components like Drive Shafts and Axles and Universal Joints. At Advance Auto Parts, we’re here to help you keep your 1979 Buick Skylark in peak condition, inside and out.

Looking for the perfect Differential for your 1979 Buick Skylark? 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 Skylark. Whether you’re driving a 1979 model or another popular model year like 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, and 1998, 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 1979 Buick Skylark Differentials

from

$58.99

Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND!

Product Features:

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

from

$18.99

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

Product Features:

Meets or exceeds OE specifications

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 unit has larger bearing journals for added strength & uses heavy-duty carrier bearings & races.

Product Features:

Fits GM 8.5″ and 8.6″ with 30 spline axles
2.73 ratio and up only
4-spring, clutch style positraction
Internal gears are manufactured using forged 4320 steel and cut to provide stronger teeth
Fully rebuildable
Assembled in the USA

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$11.99

7.5 GM cover gasket.

Product Features:

Cover gasket
Fits GM 7.5″ and 7.625″

from

$153.99

Product Features:

Positraction spring kit
Fits GM 7.5″ and 7.625″ Dura Grip
Includes preload plates

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$49.99

Product Features:

MINI INSTALL KIT GM 7.5

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$6.99

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

Product Features:

Direct replacement – this differential crush sleeve is designed to match the fit and function of the original sleeve on specified vehicles
Required replacement – when servicing the differential
Durable construction – this part is made from quality materials to ensure reliable performance and long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

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$209.99

Product Features:

Spider gear kit
Fits GM 8.5″ 28 spline open differential
Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.

from

$399.99

GM 7.5″ & 7.6″ DURA GRIP case, bare, 3.23 & up, 26spline & 28spline.

Product Features:

Dura Grip positraction carrier case
Does not include spider gears
Fits GM 7.5″ and 7.625″
3.23 and up ratios only

from

$373.99

Product Features:

Clutch kit
Fits Ford 8.8″, 1963-1979 Corvette, GM 12 bolt passenger car and truck, 8.2″, 8.5″ and 8.6″ Dura Grip positraction
14 piece kit
Composite clutches

from

$74.99

Product Features:

Fits 8.2″ Buick, Oldsmobile and Pontiac
Chrome

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$414.99

Yukon Performance 1-3/4″ deck steel spool for 8.5″ GM with 30 spline axles. Uses large bearings, 1.785 journals. Yukon performance spools are made from the highest quality materials to ensure high strength and long life in performance applications. Spools provide 100% power to both tires at all times and are a lower cost alternative to lockers. Spools are not recommended for street driven vehicles. Yukon Performance spools come with a one year warranty against manufacturing defects. This spool requires the use of a C-Clip eliminator kit to be used.

Product Features:

Fits GM 8.5″ with 30 spline axles
2.73 and up ratios only
Provides 100% traction to both wheels at all times
Not recommended for street driven vehicles

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$153.99

HM89449 set-up bearing (one bearing). No return.

Product Features:

Set up bearing
Fits HM89449 pinion bearing
Easily slips on and off pinion journal to allow for pinion depth adjustment

from

$64.99

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

$27.99

8.25″ IFS, 8.5″, 12P, 7.5″ F, 8.8″ F, 8.25″ Chrysler pinion shim kit.

Product Features:

Pinion depth shims for GM 8.25″ IFS, 8.5″, 8.6″, 12 bolt passenger car, Ford 7.5″ and 8.8″, Chrysler 8.25″

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$689.99

The Yukon carrier bearing Puller works with an impact gun to quickly and safely remove carrier bearings without damaging them. This unit comes with a handy bench top stand and works with up to most standard one ton applications. This unit is works with differentials up to one-ton applcations. It is not compatible with Dana 70HD, Dana 80, 10.25″ & 10.5″ Ford, or GM & Chrysler 11.5″ differentials.

Product Features:

Carrier bearing puller
Works with an impact gun to safely and easliy remove carrrier bearings
Not compatible with Dana 70HD, Dana 80, Ford 10.25″ and 10.5″ or Gm and Chrysler 11.5″ applications

from

$103.99

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:

KIT BRG & SEAL GM 12 BOLT CAR

from

$601.99

Yukon spider gear set for GM 8.2″ Buick, Olds, Pontiac Dura Grip posi, 28 spline. This kit does not include clutches. This kit fits Yukon Dura Grip ONLY.

Product Features:

Spider gear kit
Fits 8.2″ Buick, Oldsmobile and Pontiac with Dura Grip positraction
Includes two side gears, four pinion gears, cross pin shaft, roll pin and spider gear thrust washers.

from

$10.99

Product Features:

Clutch guide
Fits GM 7.5″ and 7.625″ Dura Grip

from

$9.99

5/16″-18 cover bolt, Dana Spicer 25, 27, 30 and 44, AMC Model 20 and Model 35, Chrysler 9.25 rear, GM 7.5″, 7.625″, 8.2″, 8.5″, 12 bolt passenger car and truck.

Product Features:

Cover bolt for Dana Spicer 25, 27, 30 and 44, AMC Model 20 and Model 35, GM 7.5″, 7.625″, 8.2″, 8.5″ and 12 bolt passenger car and truck.
1/2″ head

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$11.99

GM 7.5″ standard Open side gear thrust washer.

Product Features:

Side gear thrust washer
Fits GM 7.5″

from

$219.99

Bearing race driver. No return.

Product Features:

Bearing race driver
Fits M88010 race
All steel construction

from

$201.99

Yukon Pinion installation kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings & races can be reused. This kit uses Timken bearings and races along with a high quality pinion seal and small parts. Included in this kit are the pinion bearings and races, pilot bearing (if applicable), crush sleeve (if applicable), complete pinion shim kit, pinion nut, thread locker, and marking compound with brush. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your pinion gear.

Product Features:

Fits 1981 and down GM 7.5″
Included are pinion bearings and races, pinion seal, crush sleeve, complete pinion shim kit, and marking compound with brush.

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$13.29

With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

Product Features:

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

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$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

from

$161.99

The Motive Gear replacement axle shaft offers an OE-quality axle shaft at a fraction of the OE cost. Manufactured from 1541H material on high-tolerance CNC equipment, this axle shaft is designed to provide a perfect fit every time.

Product Features:

AXLE SHAFT 12 BLT CAR 30 SPL. 70-72 30 1/16″ L&R

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$184.99

Yukon yoke for GM 7.5″ (mech 3R) in a triple lip design. 2.556″ snap ring span, 1.125″ cap diameter. Inside snap ring. This yoke uses inside clips. All Yukon yokes come with a one year warranty against manufacturing defects.

Product Features:

Fits GM 7.5″ and 7.625″
27 spline
Mechanics 3R u-joint size
Inside snap ring design
2.556″ snap ring span
1.125″ cap diameter
Strap style

from

$59.99

Product Features:

Super carrier shim kit for Ford 7.5″, GM 7.5″, 7.625″, 7.6″ IFS, 7.6″ IRS, 7.75″, 8.2″, 8.2″ Buick, Oldsmobile and Pontiac and GM 8.5″ front and rear
Interlocking design makes installation much easier

Popular 1979 Buick Skylark Differentials Categories

Differential Oil

Rear Differential Cover Gaskets

Differential Open Unit and Components

Differential Covers

Differential Pinion Shaft Lock Bolts

Differential Bearings

Differential Axle Shafts

Differential Pinion Pilot Bearings

Differential Cover Bolts

Differential Carriers

Differential Bearing Kits

Front Differential Pinion Bearings

Differential Spider Gear Kits

Differential Rebuild Kits

Differential Carrier Shim Kits

Differential Pinion Seals

Differential Cover Plugs

Differential Clutch Packs

Differential Mini Spools

Differential Ring and Pinions

Differential End Yokes

Differential Pinion Supports

Differential Lock Assemblies

Differential Spools

Differential Carrier Bearings

Differential Lock Springs

Rear Housing Cover Gaskets

Differential Pinion Bearing Kits

Complete Differentials

Differential Ring Gear Bolts

Bearing Race Drivers

Differential Pinion Shafts

Differential Carrier Bearing Shims

Differential Crush Sleeves

Differential Side Bearing Spacers

Differential Pinion Shims

Differential Pinion Shaft Nuts

Differential Gear Install Kits

Differential Cross Pins

Differential Side Gear Thrust Washers

Differential Pinion Gear Thrust Washers

Limited Slip Differential Assemblies

Differential Clutch Pack Clips

Best-Selling 1979 Buick Skylark Differential Oil

Upgrade your Skylark with one of our 6 best-selling Differential Oil, earning an average 5 stars rating across 446 reviews.

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$35.99

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

Product Features:

Formulated with full-synthetic base oils and long life friction modifiers to help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids
High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks in high mileage transmissions
Developed with anti-wear technology to help improve transmission durability
Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures

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$57.99

3 Qt. Penzoil 80W90 conventional gear Oil. W/ bottle of Posi additive.

Product Features:

Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive

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$44.99

3 Qt. Penzoil 80W90 conventional gear Oil.

Product Features:

Includes three quarts of conventional oil

from

$148.99

Redline Synthetic “Shock Proof” Oil with positraction Additive. 4 Quarts.

Product Features:

Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive

from

$99.99

Redline Synthetic “Shock Proof” Oil. 3 Quarts.

Product Features:

Includes three quarts of Redline Shockproof oil

from

$137.99

Redline Synthetic “Shock Proof” Oil. 4 Quarts.

Product Features:

Includes four quarts of Redline Shockproof oil

Top-Quality Differential Covers for 1979 Buick Skylarks

Choose a high-quality OEM or aftermarket Differential Cover for Buick Skylarks and enjoy top-notch performance from $21.99.

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from

$77.99

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

Product Features:

Made Of Chrome Plated Steel
Fits GM 8.5-Inch 10 Bolt
Complete Kit With Gasket And Bolts

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$74.99

Chrome cover for 8.6″, 8.5″ and 8.2″ GM rear.

Product Features:

Fits GM 8.2″, 8.5″ and 8.6″
Chrome

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$379.99

Product Features:

Fits GM 7.5″ and 7.625″
Aluminum girdle cover

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$255.99

Polished aluminum cover for 8.6″, 8.2″ and 8.5″ GM rear.

Product Features:

Fits GM 8.5″ and 8.6″
Finned polished aluminum

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$123.99

Product Features:

Fits GM 8.2″, 8.5″ and 8.6″
Steel

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$67.99

Chrome cover for 7.5″ GM.

Product Features:

Fits GM 7.5″ and 7.625″
Chrome

from

$67.99

Product Features:

Fits GM 7.5″ and 7.625″
Steel

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

Top Picks for 1979 Buick Skylark Rear Housing Cover Gaskets

Invest in one of our 2 durable Rear Housing Cover Gaskets for your 1979 Buick, knowing you’re getting trusted brands and expert craftsmanship.

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$8.99

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

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered for the sealing repair environment
Validated for fit, form and function
Unsurpassed quality you can trust

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$10.99

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

Top-Rated Rear Differential Cover Gaskets for 1979 Buick Skylarks

Make a smart move for your 1979 Buick Skylark with products all priced from $10.99 to $31.49.

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$21.49

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

Product Features:

.047″ thick cellulose/nitrile composite gasket material
Precision die cut
Reusable

from

$11.99

7.5 GM cover gasket.

Product Features:

Cover gasket
Fits GM 7.5″ and 7.625″

from

$31.49

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

Product Features:

Meets or exceeds OE specifications

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$10.99

8.2″ & 8.5″ rear cover gasket.

Product Features:

Cover gasket
Fits GM 8.2″, 8.5″ and 8.6″

Top-Rated Differential Brands For Your 1979 Buick Skylark

When it comes to finding the perfect Differential for your 1979 Buick Skylark, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 13 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 1979 Buick Skylark, providing peace of mind with parts that meet or exceed OEM standards.

Popular National 1979 Buick Skylark Differentials

If you’re looking for a top-quality Differential for your 1979 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 $11.99 and an average cost of $24.32, you’ll find the perfect Differential for your needs and budget. National Differentials for the 1979 Buick Skylark 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 $43.99

(2)

Shaft Repair Sleeve

“As a mechanic I dont have time or money to waste on inferior products, which this is not. Great product,great price”

from $16.99

(25)

Multi-Purpose Bearing

“Smooth”

Top-Quality Driveworks 1979 Buick Skylark Differentials

For those in search of a high-quality Differential for their 1979 Buick Skylark, Advance Auto Parts offers a great selection of Driveworks Differentials. With 2 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 $10.79, with an average price of $10.89, giving you a range of options to suit your budget. Backed by over 4 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 $10.79

(1)

Oil Seal

“Didn’t fit my 1992 K1500 10 bolt 8.5″ ring gear rear end. Was told wrong part.”

from $10.99

(3)

Taper Bearing Cone

“Worked for my 2006 escalade esv front diff”

FAQs for 1979 Buick Skylark Differentials

What are the best-selling Differentials for 1979 Buick Skylarks?

Out of 267 Differentials that fit 1979 Buick Skylarks, the following parts are the top sellers:

Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket (5185823) – $10.99
Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (5782376) – $8.99
Multi-Purpose Bearing (3275973) – $16.99

What’s the price range for 1979 Buick Skylark Differentials?

The prices of Differentials for the 1979 Buick Skylark range from $2.49 up to $1,566.99 for the most premium parts.

What is the average price of a Differential for a 1979 Buick Skylark?

The average price for Differentials for the 1979 Buick Skylark is $214.92. 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 1979 Buick Skylark?

The cheapest 1979 Buick Skylark Differentials we carry are:

Differential Pinion Gear Washer (10593184) – $2.49
Differential Pinion Gear Washer (10282533) – $2.59
Crush Sleeve (10715252) – $2.79
Ring Gear Bolt (20520168) – $2.99
Differential Crush Sleeve (10282146) – $2.99

Does Advance Auto Parts sell Differentials for any other 1979 Buick models?

Yes. We stock Differentials for 7 other popular 1979 Buick models. Some of the most popular are 1979 Regal Differentials, 1979 Century Differentials, 1979 LeSabre Differentials, 1979 Riviera Differentials, and 1979 Electra Differentials.

What types of Differentials do you sell for my 1979 Buick Skylark?

As of 3/1/26, these are some of the most in-demand types of Differentials for a 1979 Buick Skylark:

Can I get help with 1979 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.

1979 Buick Skylark Differentials

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

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

Yukon Gear – Dura Grip Positraction For GM 8.5" & 8.6" With 30 Spline Axles (Part No.26016)

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

Yukon Gear – Posi Spring Kit For GM 7.5", With Preload Plates (Part No.33206)

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

Dorman – Help – Pinion Crush Sleeves (Part No.81058)

USA Standard Gear – Standard Spider Gear Set For GM 8.5", 28 Spline (Part No.39026)

Yukon Gear – Dura Grip Case, GM 7.5 & 7.625", 3.23 & Up (Part No.20106)

Yukon Gear – 14 Plate Duragrip Composite Clutches For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron ‘Vette (Part No.16064)

Yukon Gear – Chrome Cover For 8.2" Buick, Oldsmobile, And Pontiac GM (Part No.32015)

Yukon Gear – Steel Spool For GM 8.5" & 8.6" With 30 Spline Axles (Part No.32193)

Yukon Gear – Set Up Bearing (Part No.56044)

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

Yukon Gear – Pinion Depth Shims For GM 8.25" IFS, 8.5", 12 Bolt Car, Ford 8.8" & Chrysler 8.25" (Part No.55009)

Yukon Gear – The Carrier Bearing Puller (Part No.56034)

Motive Gear – Differential Bearing Kit – Timken (Part No.R12CRT)

Yukon Gear – Spider Gear Set For GM 8.2" Buick, Olds, Pontiac Dura Grip Posi, 28 Spline (Part No.16144)

Yukon Gear – Clutch Guide For GM 7.5" & 7.6" Dura Grip (Part No.33251)

Yukon Gear – Dana 25, 27, 30, 44, Model 20 And Model 35, GM 7.5", 8.2", 8.5", 12P, 12T, C9.25 Rear Cover Bolt (Part No.33286)

Yukon Gear – GM 7.5" Standard Open Side Gear Thrust Washer (Part No.33389)

Yukon Gear – Bearing Race Driver (Part No.56023)

Yukon Gear – Pinion Install Kit For ’81 And Older GM 7.5" Differential (Part No.13063)

Schaeffler – Cone (Part No.KL44649)

Yukon Gear – Pinion Nut (Part No.33152)

Motive Gear – Axle Shaft (Part No.MG1000)

Yukon Gear – Yoke For GM 7.5" (Mech 3R) In A Triple Lip Design (Part No.41090)

Yukon Gear – Super Carrier Shim Kit For Ford 7.5", GM 7.5", 8.2" & 8.5" (Part No.55001)

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

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

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

Yukon Gear – 3 Qt – 80W90 Conventional Gear Oil With Posi Additive (Part No.15003)

Yukon Gear – 3 Qt – Penzoil 80W90 Conventional Gear Oil (Part No.15002)

Yukon Gear – Redline Synthetic "Shock Proof" Oil With Positraction Additive – 4 Quarts (Part No.15005)

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

Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)

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

Yukon Gear – Chrome Cover For 8.6", 8.5" And 8.2" GM Rear (Part No.32017)

Yukon Gear – Aluminum Girdle Cover For GM 7.5" & 7.625" (Part No.32118)

Yukon Gear – Polished Aluminum Cover For 8.6", 8.2" And 8.5" GM Rear (Part No.32030)

Yukon Gear – Steel Cover For GM 8.2" & 8.5" Rear (Part No.32332)

Yukon Gear – Chrome Cover For 7.5" GM (Part No.32014)

Yukon Gear – Steel Cover For GM 7.5" & 7.625" (Part No.32331)

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

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

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

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

Mr. Gasket – Differential Gasket (Part No.84B)

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

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

Yukon Gear – 8.2" & 8.5" Rear Cover Gasket (Part No.23020)