1968 Buick Skylark Differentials

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Keep Your 1968 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 1968 Buick Skylark looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Covers, 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 Valvoline. For example, National Differentials start at just $16.99 with an average 4.3 star rating. Valvoline offer similar pricing and quality, backed by strong customer feedback. With over 6,149 reviews and a solid 4 star average, you can shop with confidence knowing other Buick Skylark 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 1968 Buick Skylark in peak condition, inside and out.

Essential 1968 Buick Skylark Differentials

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

The Carrier Bearing Puller

from

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

MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon

from

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

Differential Cover Kit

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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Schaeffler – Cone (Part No.KL44649)

Cone

from

$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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USA Standard Gear – Master Overhaul Kit for the ’81 & older GM 7.5" Differential (Part No.37048)

Master Overhaul Kit for the '81 & older GM 7.5" Differential

from

$169.99
USA Standard Master Overhaul kits let you finish your install with confidence. This kit uses Koyo bearings and races. Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable), threading locking compound, marking compound with brush and gasket.

Product Features:
  • Fits 1981 and down GM 7.5″
  • Uses Koyo bearings and races
  • Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve, oil baffles and slingers, thread locker, marking compound with brush, silicone and gasket.
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Yukon Gear – Duragrip Posi For 8.2" Buicks, Olds & Pontiac With 28 Spline Axles (Part No.26024)

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

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.

Product Features:
  • Fits GM 8.2″ in Buick, Oldsmobile and Pontiac
  • 3.31 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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Yukon Gear – Pinion Install Kit For GM 8.2" Differential For Buick, Pontiac, And Oldsmobile (Part No.13068)

Pinion Install Kit For GM 8.2" Differential For Buick, Pontiac, And Oldsmobile

from

$282.99
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, 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 8.2″ Buick, Oldsmobile and Pontiac
  • Included are pinion bearings and races, pinion seal, crush sleeve, complete pinion shim kit, and marking compound with brush.
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Schaeffler – Shaft Seal (Part No.SS2983)

Shaft Seal

from

$14.29
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
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Yukon Gear – 3/8" Ring Gear Bolt Washer For GM 12 Bolt Car & Truck, 8.2 Bop & More (Part No.33347)

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

from

$4.99
3/8″ ring gear bolt washer for GM 12 bolt car & truck, 8.2 BOP & more.

Product Features:
  • Ring gear bolt washer for GM 12 bolt car and truck, 1955-1964 passenger car, 1963-1979 Corvette and 8.2″ Buick, Oldsmobile and Pontiac
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Yukon Gear – 8.2" Buick, Oldsmobile, Pontiac Cover Gasket, 10 Bolt Holes (Part No.23019)

8.2" Buick, Oldsmobile, Pontiac Cover Gasket, 10 Bolt Holes

from

$13.99
8.2″ Buick, Oldsmobile, Pontiac cover gasket, 10 bolt holes.

Product Features:
  • Cover gasket
  • Fits 8.2″ in Buick, Oldsmobile and Pontiac
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Yukon Gear – 8.5" & 8.2" GM Carrier Installation Kit (Part No.57008)

8.5" & 8.2" GM Carrier Installation Kit

from

$109.99
Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for GM 8.2″ & 8.5″ differential. This kit contains carrier bearings, races and shims.

Product Features:
  • Fits GM 7.5″, 7.625″ 8.2″ and 8.5″
  • Includes carrier bearings and races and “super” carrier shim kit
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Dorman – Axle Shaft (Part No.630-140)

Axle Shaft

from

$258.99
This axle shaft directly replaces the original equipment on certain vehicles, complete with all necessary application-specific installation components.

Product Features:
  • Direct replacement – this axle shaft replaces the original equipment on specific vehicle years, makes and models
  • Complete kit – each shaft includes critical installation hardware and components needed for specific vehicle applications
  • Durable construction – designed to rigorous standards and tested to ensure performance
  • Trustworthy solution – backed by team of engineers and quality control specialists in the United States
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Yukon Gear – Set Up Bearing (Part No.56045)

Set Up Bearing

from

$153.99
M802048 set-up bearing (one bearing). No return.

Product Features:
  • Set up bearing
  • Fits M802048 pinion bearing
  • Easily slips on and off pinion journal to allow for easier pinion depth adjustment
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Motive Gear – Differential Mini Spool (Part No.MS10-28)

Differential Mini Spool

from

$98.99


Product Features:
  • MINI SPOOL GM 10 BOLT 8 1/2″ 28 SPLINE
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Pro-King – Differential Pinion Shim Kit (Part No.742G202)

Differential Pinion Shim Kit

from

$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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Yukon Gear – Bearing Race Driver (Part No.56022)

Bearing Race Driver

from

$188.99
Bearing race driver. No return.

Product Features:
  • Bearing race driver
  • Fits M86610 race
  • All steel construction
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Yukon Gear – Ring Gear Bolt (Part No.33046)

Ring Gear Bolt

from

$6.99
Ring gear bolt for GM 12 bolt car & truck, 8.2″, 8.2″ for Buick/Olds/Pontiac, 63-79 Corvette & 55-62 GM Car & Truck. 3/8″ x 24.

Product Features:
  • Ring gear bolt for GM 12 bolt passenger car and truck, 1955-1964 passenger car and truck, GM 8.2″, 8.2″ Buick, Oldsmobile and Pontiac and 1963-1979 Corvette
  • 3/8″ x 24 thread
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Powertrax – Lock Right Locker (Part No.1930-LR)

Lock Right Locker

from

$445.99
The Powertrax Lock-Right ultra-strength alloy locker’s straight-line performance is equal to a solid spool, but automatically unlocks in turns. Best suited for extreme off-road to severe on-road use, Powertrax Lock Right lockers replace the spider gears in your open differential carrier using basic tools and without affecting your ring and pinion settings. The whole job can be done in your driveway in a couple of hours, pin included! Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!The Powertrax® Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Powertrax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.
  • Powertrax® lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.
  • Powertrax® 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.
  • Powertrax® = Extreme Traction Systems!
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    Felpro – Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket (Part No.RDS 55028-1)

    Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket

    from

    $10.99
    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
    • 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
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    USA Standard Gear – Ring & Pinion Gear Set For GM 8.5" In A 3.23 Ratio (Part No.36212)

    Ring & Pinion Gear Set For GM 8.5" In A 3.23 Ratio

    from

    $399.99
    USA Standard ring & pinion sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of ring & pinion sets for a variety of common & hard to find applications. USA standard gear offers a standard one year warranty against defects on their ring & pinion sets.

    Product Features:
    • Fits GM 8.5″ and 8.6″
    • 8.50″ ring gear diameter
    • 30 spline pinion
    • 10 ring gear bolts
    • 3.23 ratio
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    Yukon Gear – Conversion Kit (Part No.41184)

    Conversion Kit

    from

    $289.99
    Product Features:
    • Fits GM 8.2″ Buick, Oldsmobile and Pontiac
    • Adapt GM gears for BOP housing
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    Motive Gear – Differential Gear Install Kit (Part No.GM12IKC)

    Differential Gear Install Kit

    from

    $64.99


    Product Features:
    • MINI INSTALL KIT GM 12BLT 8.875 CAR
    See More

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

    Spider Gear Set For GM 8.2" Buick, Olds, Pontiac Dura Grip Posi, 28 Spline

    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.
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    Driveworks – Camshaft Seal (Part No.S-99139)

    Camshaft Seal

    from

    $23.99
    Product Features:
    • Brand may vary by location
    See More

    Yukon Gear – Super Carrier Shim Kit For Ford 8.8", GM 12 Bolt Car & Truck, 8.6 & Vette (Part No.55002)

    Super Carrier Shim Kit For Ford 8.8", GM 12 Bolt Car & Truck, 8.6 & Vette

    from

    $59.99
    Product Features:
    • Super carrier shim kit for Ford 8.8″, GM 12 bolt passenger car and truck, GM 8.0″, 8.6″, 8.6″ IRS and 1963-1979 Corvette
    • Interlocking design makes installation much easier
    See More

    Richmond Gear – RngPnnInstlKt (Part No.83-1040-1)

    RngPnnInstlKt

    from

    $182.99
    RngPnnInstlKt

    Yukon Gear – Pinion Nut (Part No.33150)

    Pinion Nut

    from

    $11.99
    Pinion nut for GM 12 bolt car & truck, 55-62 car & truck, 8.2″, 8.2″ Buick/Olds/Pontiac & 63-79 Corvette. 1 1/8″ socket, 7/8″ x 16 thread.

    Product Features:
    • Pinion nut for GM 12 bolt car and truck, 8.2″, 8.2″ Buick, Oldsmobile and Pontiac and 1963-1979 Corvette
    • 7/8″ x 16 thread
    • 1 1/8″ socket
    See More

    Yukon Gear – GM 8.2" Crush Sleeve (Part No.33103)

    GM 8.2" Crush Sleeve

    from

    $16.99
    GM 8.2″ crush sleeve w/OEM ring & pinion (NOT AFTERMARKET ring & pinion). 2.470″ long.

    Product Features:
    • Crush sleeve for GM 8.2″ with OEM ring and pinion set
    • 2.470″ tall
    See More

    Most Popular Differential Cover for 1968 Buick Skylarks

    Enhance your 1968 Buick Skylark with this popular Differential Cover we have in stock, for $74.99.

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

    Chrome Cover For 8.2" Buick, Oldsmobile, And Pontiac GM

    from

    $74.99
    Product Features:
    • Fits 8.2″ Buick, Oldsmobile and Pontiac
    • Chrome
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    Best-Selling 1968 Buick Skylark Rear Differential Cover Gaskets

    Upgrade your Skylark with one of our 2 best-selling Rear Differential Cover Gaskets.

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

    Differential Gasket

    from

    $25.99
    Mr. Gasket Axle Housing/Differential Cover or Rear End Gaskets are manufactured from a .047 inch thick cellulose/nitrile composite gasket material for excellent sealing and durability. They are precision die-cut for an excellent fit. Fits 1965-1970 Buick, Olds, Pontiac, 10 bolt 8.20 inch ring gear.

    Product Features:
    • .047″ thick cellulose/nitrile composite gasket material
    • Precision die cut
    • Reusable
    See More

    Yukon Gear – 8.2" Buick, Oldsmobile, Pontiac Cover Gasket, 10 Bolt Holes (Part No.23019)

    8.2" Buick, Oldsmobile, Pontiac Cover Gasket, 10 Bolt Holes

    from

    $13.99
    8.2″ Buick, Oldsmobile, Pontiac cover gasket, 10 bolt holes.

    Product Features:
    • Cover gasket
    • Fits 8.2″ in Buick, Oldsmobile and Pontiac
    See More

    Top-Quality Differential Bearings for 1968 Buick Skylarks

    Choose a high-quality OEM or aftermarket Differential Bearing for Buick Skylarks and enjoy top-notch performance from $16.99.

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

    Multi-Purpose Bearing

    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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    National – Multi-Purpose Bearing (Part No.A-36)

    Multi-Purpose Bearing

    from

    $27.99
    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
    See More

    Schaeffler – Bearing – TRB (Tapered Roller Bearing) (Part No.KT36)

    Bearing - TRB (Tapered Roller Bearing)

    from

    $34.49
    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
    See More

    Schaeffler – Bearing – TRB (Tapered Roller Bearing) (Part No.KT5)

    Bearing - TRB (Tapered Roller Bearing)

    from

    $21.29
    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
    See More

    Our Top Pick for a 1968 Buick Skylark Rear Housing Cover Gasket

    Invest in a durable Rear Housing Cover Gasket for your 1968 Buick, knowing you’re getting trusted brands and expert craftsmanship.

    Felpro – Axle Housing Cover Gasket Irregular Shaped 12 Bolt Hole Gasket (Part No.RDS 55009)

    Axle Housing Cover Gasket Irregular Shaped 12 Bolt Hole Gasket

    from

    $9.29
    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
    See More

    Top-Rated Differential Oil for 1968 Buick Skylarks

    Make a smart move for your 1968 Buick Skylark with products all priced from $35.99 to $148.99.

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

    MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon

    from

    $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
    See More

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

    3 Qt - 80W90 Conventional Gear Oil With Posi Additive

    from

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

    3 Qt - Penzoil 80W90 Conventional Gear Oil

    from

    $44.99
    3 Qt. Penzoil 80W90 conventional gear Oil.

    Product Features:
    • Includes three quarts of conventional oil
    See More

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

    Redline Synthetic "Shock Proof" Oil With Positraction Additive - 4 Quarts

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

    Redline Synthetic "Shock Proof" Oil - 3 Quarts

    from

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

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

    Redline Synthetic "Shock Proof" Oil - 4 Quarts

    from

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

    Product Features:
    • Includes four quarts of Redline Shockproof oil
    See More

    Top-Rated Differential Brands For Your 1968 Buick Skylark

    When it comes to finding the perfect Differential for your 1968 Buick Skylark, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 11 trusted brands. We carry the most popular Differential brands including Valvoline and National, and more, all known for their exceptional customer ratings (average brand rating of 4.8 stars) and competitive prices, as low as $16.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1968 Buick Skylark, providing peace of mind with parts that meet or exceed OEM standards.

    Popular Valvoline 1968 Buick Skylark Differentials

    If you’re looking for a top-quality Differential for your 1968 Buick Skylark, Advance Auto Parts has exactly what you need with our selection of Valvoline Differentials. We have 1 Valvoline Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $35.99, you’ll find the perfect Differential for your needs and budget. Valvoline Differentials for the 1968 Buick Skylark come highly rated, with over 446 customer reviews and an impressive average rating of 4.8 stars. Choosing a Valvoline Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
    MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon
    from $35.99
    (446)
    MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon
    “Good quality great price”

    Top-Quality National 1968 Buick Skylark Differentials

    For those in search of a high-quality Differential for their 1968 Buick Skylark, Advance Auto Parts offers a great selection of National Differentials. With 2 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 $16.99, with an average price of $22.49, giving you a range of options to suit your budget. Backed by over 26 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.
    Multi-Purpose Bearing
    from $27.99
    (1)
    Multi-Purpose Bearing
    “great price”
    Multi-Purpose Bearing
    from $16.99
    (25)
    Multi-Purpose Bearing
    “Smooth”

    FAQs for 1968 Buick Skylark Differentials

    What are the best-selling Differentials for 1968 Buick Skylarks?

    Out of 68 Differentials that fit 1968 Buick Skylarks, the following parts are the top sellers:

    What’s the price range for 1968 Buick Skylark Differentials?

    The prices of Differentials for the 1968 Buick Skylark range from $4.99 up to $1,566.99 for the most premium parts.

    What is the average price of a Differential for a 1968 Buick Skylark?

    The average price for Differentials for the 1968 Buick Skylark is $203.54. 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 1968 Buick Skylark?

    The cheapest 1968 Buick Skylark Differentials we carry are:

    Does Advance Auto Parts sell Differentials for any other 1968 Buick models?

    Yes. We stock Differentials for 7 other popular 1968 Buick models. Some of the most popular are 1968 LeSabre Differentials, 1968 Riviera Differentials, 1968 Electra Differentials, 1968 Special Differentials, and 1968 Wildcat Differentials.

    What types of Differentials do you sell for my 1968 Buick Skylark?

    As of 3/1/26, these are some of the most in-demand types of Differentials for a 1968 Buick Skylark:

    Can I get help with 1968 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.