1979 Buick Skylark Differentials

Name: Super Carrier Shim Kit for Ford 7.5", GM 7.5", 8.2" & 8.5
Brand: Yukon Gear
SKU: 55001
Price: 59.99 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 Pinion Seals, Differential Bearings, and Differential Oil. 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, National, and Felpro. For example, Motive Gear Differentials start at just $7.99 with an average 4.0 star rating. National and Felpro offer similar pricing and quality, backed by strong customer feedback. With over 6,040 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 $204.99, with a range that starts at $2.49 and goes up to $1,015.00. With 268 options in stock from 14 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

$59.99

Yukon shim kits are precision machined and tailored for each individual application to ensure you have the right shims for every set up.

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

from

$7.99

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$10.99

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$154.99

Yukon Gear and Axle manufactures a complete line of general replacement and performance series of pinion yokes for many street, racing, and heavy-duty off-road applications.

Product Features:

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

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$64.99

Product Features:

MINI INSTALL KIT GM 12BLT 8.875 CAR

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$234.99

Product Features:

GM 10BL 8.5 R/P 3.42A MG FRT/REAR

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$829.99

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.

Product Features:

Fits GM 7.625″ with 28 spline axles
3.23 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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$15.99

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.

Product Features:

Side gear thrust washer
Fits GM 8.5″

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$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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$6.99

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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$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

$929.99

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

from

$25.99

Yukon 4340 Chrome-Moly replacement outer stub for D44 ’87-’94 Wrangler with a length of 8.31″ and 27 splines. Yukon 4340 Chrome-Moly axles provide up to 50% increased strength over stock axles for use in extreme performance applications with large tires and high horsepower. Yukon’s 4340 axles are manufactured using the latest technologies and the highest quality materials to ensure high strength and long life. Limited warranty covers manufacturing defects and axle breakage for as long as you own the vehicle. This warranty is not transferable to another party. “No Questions Asked” replacement for first warranty return, however Yukon reserves the right to either replace axle or refund original purchase price after the first warranty claim. Yukon (through Randy’s ring & pinion) makes final determination on warranty considerations.

Product Features:

Fits GM 7.2″, 7.625″ & 8.0″ differentials
Allows GM 7.2″, 7.625″ & 8.0″ yokes to use triple lip pinion seal
Adapter sleeve
Outer stub
5-760X U-joint size
4340 Chromoly
For WARN hub conversion only

from

$153.99

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

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$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.

Product Features:

Fits GM 7.5″ and 7.625″ differentials
For Yukon Dura Grip positraction only
26 spline axles
Includes two side gears, two pinion gears, cross pin shaft, roll pin and spider gear thrust washers
Does not include clutches

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.

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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$243.99

If you’re repairing or rebuilding a front or rear differential and want the best performance and longevity from the bearings being replaced, choose this premium differential kit. It includes high-precision bearings manufactured to tighter tolerances and engineered to last longer than common lower-grade bearings that have more backlash when subjected to the torque generated within the differential. This convenient kit also saves the time needed to source individual components. Check the product attributes and fitment details to select the correct premium differential kit for your application.

Product Features:

Ideal solution – this premium differential bearing kit features high-precision bearings to help ensure longer bearing life, prevent backlash, and restore proper differential operation
Direct replacement – the components in this all-in-one kit are engineered to precisely match the fit and function of the original equipment bearings for a seamless installation
Increased reliability – the premium bearings in this kit are manufactured to exacting tolerances and specifications from high quality materials to help ensure optimal performance
Application-specific – check the product attributes and fitment details to choose the correct kit for your application
Contents: Bearings; Shims; Crush Collar; Hardware; Gasket Material; Gear Marking Compound; Application Brush; Thread Lock Compound

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$48.99

Yukon Minimum Installation Kits are a low-cost solution for ring and pinion gear changes in newer vehicles where the bearings can be reused. Kits include all high-quality components for a smooth differential set up.

Product Features:

Fits GM 8.5″ rear
Included are a pinion seal, crush sleeve , complete shim kit, marking compound and brush.

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$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.

Product Features:

Pinion seal
Fits GM 7.2″ IFS, 1999 and down GM 7.5″ and 7.625″ and GM 8.2″
2.660″ O.D.

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$18.99

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

Product Features:

Meets or exceeds OE specifications

from

$148.99

Yukon Carrier Installation Kits are a convenient and low-cost solution for carrier changes in cases where one is upgrading to a positraction limited slip differential, a mechanical locker, or an air operated locker. These kits contain carrier bearings and races and a carrier shim kit.

Product Features:

Fits GM 8.5″ with aftermarket positraction
Works with Heavy Duty Bearings
Includes carrier bearings and races and “super” carrier shim kit

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$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.

Product Features:

The Power Trax Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Power Trax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.
Power Trax lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.
Power Trax offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction.
Power Trax ia an Extreme Traction System

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$2.59

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

Product Features:

Meets or exceeds OE specifications

from

$42.99

Bearing race driver. No return.

Product Features:

Shim kit
Fits GM 7.5″ and 7.625″ with Eaton positraction

from

$201.99

Yukon Pinion Installation Kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings and races can be reused. This kit features Timken bearings and races along with high-quality seals and small parts. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your gear set.

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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$47.99

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

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

$49.99

Cross pin shaft for GM 8.5″ and 8.6″
Fits standard open differentials only
0.795″ diameter

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

Differential Pinion Bearing Kits

Complete Differentials

Differential Ring Gear Bolts

Bearing Race Drivers

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

Differential Carrier Bearing Races

Differential Clutch Pack Clips

Most Popular Differential Pinion Seals for 1979 Buick Skylarks

Enhance your 1979 Buick Skylark with one of the 4 Differential Pinion Seals we have in stock, starting at just $9.99.

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$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.

Product Features:

Pinion seal
Fits GM 8.5″ rear, 8.2″ and 8.2″ in Buick, Oldsmobile and Pontiac

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.

Product Features:

Pinion seal
Fits GM 7.2″ IFS, 1999 and down GM 7.5″ and 7.625″ and GM 8.2″
2.660″ O.D.

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$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.

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

from

$9.99

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

Best-Selling 1979 Buick Skylark Differential Bearings

Upgrade your Skylark with one of our 6 best-selling Differential Bearings, earning an average 4.33 stars rating across 29 reviews.

show more show less

from

$16.99

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

Product Features:

CONSISTENT PERFORMANCE — Matched cup and cone components ensure consistent performance
PREMIUM MATERIALS — Precision manufactured using premium-grade steel for outstanding durability and performance
SMOOTH ROTATION — Crowned raceways and rollers for even load distribution
OE-STYLE DESIGN — Engineered to meet OE specifications
COMPREHENSIVE COVERAGE — Industry-leading coverage for domestic and import applications
RIGOROUS TESTING — Comprehensive testing throughout design and development processes by National engineers for quality you can count on

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$11.99

Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.

Product Features:

PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
SMOOTH ROTATION – Crowned raceways for even load distribution
OE-STYLE DESIGN – Engineered to meet OE specifications
COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on

from

$21.99

Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.

Product Features:

PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
OE-STYLE DESIGN – Engineered to meet OE specifications
COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on

from

$30.99

We develop and produce high-quality roller bearings, spherical bearings, and plain bearings worldwide for a wide range of applications.

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

from

$10.99

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.

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

from

$6.99

Cross pin bolt for Chrysler 8.25″ and 9.25″ rear, Ford 7.5″ and 8.8″, GM 12 bolt car and truck, 8.5″, 8.25″ IFS, 8.0″, 7.625″, 7.5″ and 7.2″ IFS

Top-Quality Differential Oil for 1979 Buick Skylarks

Choose a high-quality OEM or aftermarket Differential Oil for Buick Skylarks and enjoy top-notch performance from $12.49.

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from

$12.49

Valvoline Full Synthetic MaxLife Multi-Vehicle ATF, the No. 1 ATF product, suitable for use in 95% of vehicles. And now, it’s recommended for most belt & 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 & tear, and maximize performance. Has improved thermal stability for longer fluid life, better viscosity stability for consistent transmission operation, and frictional enhancements for smooth gear engagements. Valv MaxLife Multi-Vehicle ATF is suitable for most Ford, GM, Toyota, Honda, Nissan, Hyundai, Subaru, BMW, Mercedes, Volvo, VW & Audi vehicles. Recommended for use in: 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; Honda/Acura ATF-Z1 and Honda CVT; Nissan/Infiniti Matic-D, Matic-J, Matic-K and Matic-S; Hyundai/Kia SP-II, SP-III, SP-IV and SPH-IV; BMW 7045E, ETL 8072B, LA2634 and LT71141; Allison C-4; Mercedes-Benz NAG-1; Volvo 1161521, 1161540, 97340 and 1273.41; Subaru ATF HP, Lineartronic chain CVT and CVT-II, Lineartronic High Torque CVT, and CV-30; and VW/Audi G-052-025-A2 and G-052-162-A1. CURRENTLY UNABLE TO SHIP THIS PRODUCT TO CUSTOMERS LOCATED IN CALIFORNIA

Product Features:

FOR USE IN 95% OF VEHICLES INCLUDING MOST CVTs in operation with US registered light duty applications
HIGH PERFORMANCE CONDITIONING AGENTS prolong seal elasticity to prevent leaks
IMPROVED DURABILITY & TRANSMISSION LIFE with anti-wear technology to avoid costly repairs
ENHANCED HIGH & LOW TEMP PERFORMANCE supports transmission fluid in all weather situations

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$57.99

Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials. This kit includes three quarts of oil and a bottle of Yukon Limited Slip Friction modifier that reduces noise and chatter in clutch driven positraction units and limited slip differentials.

Product Features:

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

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$44.99

Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials.

Product Features:

Includes three quarts of conventional oil

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$148.99

Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection. This kit includes four quarts of oil and a bottle of Yukon Limited Slip Friction modifier that reduces noise and chatter in clutch driven positraction units and limited slip differentials.

Product Features:

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

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$99.99

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

Product Features:

Includes three quarts of Redline Shockproof oil

from

$137.99

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

Product Features:

Includes four quarts of Redline Shockproof oil

Top Picks for 1979 Buick Skylark Differential Covers

Invest in one of our 6 durable Differential Covers for your 1979 Buick, knowing you’re getting trusted brands and expert craftsmanship.

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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.

Product Features:

Fits GM 8.2″, 8.5″ and 8.6″
Chrome

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$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.

Product Features:

Fits GM 8.5″ and 8.6″
Finned polished aluminum

from

$123.99

These Yukon replacement diff covers are a direct bolt-on.

Product Features:

Fits GM 8.2″, 8.5″ and 8.6″
Steel

from

$67.99

These Yukon replacement diff covers are a direct bolt-on.

Product Features:

Fits GM 7.5″ and 7.625″
Steel

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.

Product Features:

Fits GM 7.5″ and 7.625″
Chrome

from

$29.99

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

Product Features:

Meets or exceeds OE specifications

Top-Rated Rear Differential Cover Gaskets for 1979 Buick Skylarks

Make a smart move for your 1979 Buick Skylark with products all priced from $8.99 to $31.49.

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from

$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

from

$21.49

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

from

$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

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

from

$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 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 $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 Felpro 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 Felpro Differentials. We have 2 Felpro Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $8.99 and an average cost of $9.99, you’ll find the perfect Differential for your needs and budget. Felpro Differentials for the 1979 Buick Skylark come highly rated, with over 240 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.

from $8.99

(45)

Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket

“A1+”

from $10.99

(195)

Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket

“Worked as described”

Top-Quality National 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 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 $18.32, giving you a range of options to suit your budget. Backed by over 34 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.

from $25.99

(7)

Tapered Roller Bearing Cone

“Good price”

from $11.99

(2)

Bearing Race

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

from $16.99

(25)

Multi-Purpose Bearing

“Smooth”

FAQs for 1979 Buick Skylark Differentials

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

Out of 268 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 $1,015.00 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 $204.99. 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
Differential Crush Sleeve (10715252) – $2.79
Ring Gear Bolt (20520168) – $2.99
Differential Ring Gear Bolt (10282159) – $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 6/2/26, 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?

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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

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

Driveworks – Taper Bearing Cup (Part No.S-LM-501314)

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

Yukon Gear – Yoke for GM 7.5" and 7.625" (Mech 3R) In A Triple Lip Design (Part No.41088)

Motive Gear – Differential Gear Install Kit (Part No.GM12IKC)

Motive Gear – Differential Ring and Pinion (Part No.GM10-342A)

Yukon Gear – Dura Grip Positraction For GM 7.625" With 28 Spline Axles, 3.23 & Up (Part No.26018)

Yukon Gear – Standard Open Side Gear Thrust Washer for 8.5" GM (Part No.33304)

Motive Gear – Axle Shaft Kit (Part No.MG1000)

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

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

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

Yukon Gear – Adapter Sleeve for GM 7.2", 7.625" & 8.0" Yokes to Use Tripple Lip Pinion Seal (Part No.41210)

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

Yukon Gear – Dura Grip Spider Gear Set for GM 7.5" & 7.625" Diffs, 26 Spline (Part No.16116)

Dorman – Help – Pinion Crush Sleeves (Part No.81057)

Dorman – Premium Ring and Pinion Master Bearing and Installation Kit (Part No.797-100)

Yukon Gear – Minor Install Kit for GM 8.5" Rear Differential (Part No.12055)

Yukon Gear – 7.2" GM 7.5" GM & 8.2" GM Pinion Seal (Part No.30192)

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

Yukon Gear – Carrier Installation Kit for GM 8.5" Differential with HD Bearings (Part No.57009)

Powertrax – Differential Lock Assembly (Part No.9207883005)

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

Yukon Gear – Posi Shim Kit for GM 7.5" & 7.625" Eaton Positraction (Part No.16047)

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

ARP Auto Racing – For Use With General Motors, 0.800" Head L, 3/8" – 24 Thread Size, Chrome Moly (Part No.230-3001)

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

Yukon Gear – Standard Open Cross Pin (0.795" Diameter) for 8.5" GM – Some Eaton Positractions (Part No.33401)

Yukon Gear – Pinion Seal for GM 8.5", 8.2", Buick, Oldsmobile, and Pontiac (Part No.30017)

Yukon Gear – 7.2" GM 7.5" GM & 8.2" GM Pinion Seal (Part No.30192)

Schaeffler – Shaft Seal (Part No.SS2588)

Schaeffler – Shaft Seal (Part No.SS2983)

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

National – Bearing Race (Part No.LM501314)

National – Tapered Roller Bearing Cone (Part No.LM501349)

Schaeffler – Bearing – CRB (Cylindrical Roller Bearing) (Part No.FC67147)

Schaeffler – Cup (Part No.M88010)

Yukon Gear – Cross Pin Bolt (Part No.33067)

Valvoline – MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.VV324)

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)

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

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 – Steel Cover for GM 7.5" & 7.625" (Part No.32331)

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

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

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

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

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

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)