1968 Buick Skylark Differentials

Essential 1968 Buick Skylark Differentials

National – Shaft Repair Sleeve (Part No.99170)

Shaft Repair Sleeve

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$41.99
National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
  • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
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USA Standard Gear – Spartan Spring & Pin Kit, Fits Smaller Designs (Part No.17011)

Spartan Spring & Pin Kit, Fits Smaller Designs

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$26.99
Spartan spring & pin kit, fits smaller designs.

Product Features:
  • Replacement spring and pin kit for Spartan Locker
  • Fits Dana 30, Dana 44, AMC Model 20, AMC Model 35, and Toyota designs
  • Includes 4 springs and 4 alignment pins
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Motive Gear – Differential Bearing Kit – Koyo (Part No.R12CR)

Differential Bearing Kit - Koyo

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$99.99
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&SL GM 12 BOLT CAR
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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

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$52.99
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
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Powertrax – Lock Right Locker (Part No.1910-LR)

Lock Right Locker

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$376.99
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!
  • See More

    USA Standard Gear – Master Overhaul Kit for the GM 8.5 Differential with HD Posi or Locker (Part No.37057)

    Master Overhaul Kit for the GM 8.5 Differential with HD Posi or Locker

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    $208.99
    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 GM 8.5″ rear with aftermarket positraction
    • 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, thread locker, marking compound with brush and gasket.
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    Motive Gear – Differential Gear Install Kit (Part No.GM8.5IK)

    Differential Gear Install Kit

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    $65.99


    Product Features:
    • MINI INSTALL KIT GM 8.5 REAR
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    Yukon Gear – 3 Qt – Penzoil 80W90 Conventional Gear Oil (Part No.15002)

    3 Qt - Penzoil 80W90 Conventional Gear Oil

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

    Product Features:
    • Includes three quarts of conventional oil
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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

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

    Taper Bearing Set

    from

    $10.29
    Value-priced bearing meets all cataloged application requirements.

    Product Features:
    • Brand may vary by location
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    Motive Gear – Differential Crush Sleeve (Part No.3954480)

    Differential Crush Sleeve

    from

    $5.49


    Product Features:
    • CRUSH SLEEVE 12 BLT CAR
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    Yukon Gear – Bearing Race Driver (Part No.56017)

    Bearing Race Driver

    from

    $188.99
    Bearing race driver. No return.

    Product Features:
    • Bearing race driver
    • Fits HM89410 race
    • All steel construction
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    Yukon Gear – Pinion Install Kit For GM 8.5" Differential (Part No.13069)

    Pinion Install Kit For GM 8.5" Differential

    from

    $176.99
    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 GM 8.5″ rear
    • Included are pinion bearings and races, pinion seal, crush sleeve , complete pinion shim kit, and marking compound with brush.
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    Motive Gear – Differential Pinion Nut (Part No.1260823)

    Differential Pinion Nut

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    $8.49
    Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both o
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    Pro-King – Differential Bearing Cup (Part No.742G256)

    Differential Bearing Cup

    from

    $8.99
    Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

    Product Features:
    • All products are designed to meet or exceed OE quality, form, fit and funtion.
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    Yukon Gear – 8.2" & 8.5" Rear Cover Gasket (Part No.23020)

    8.2" & 8.5" Rear Cover Gasket

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

    Chrome Cover For 8.6", 8.5" And 8.2" GM Rear

    from

    $72.99
    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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    Pro-King – Differential Pinion Shim Kit (Part No.742G202)

    Differential Pinion Shim Kit

    from

    $5.99
    Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

    Product Features:
    • All products are designed to meet or exceed OE quality, form, fit and funtion.
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    Yukon Gear – Buick, Oldsmobile & Pontiac Pinion Seal (Part No.30194)

    Buick, Oldsmobile & Pontiac Pinion Seal

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    $52.99
    (SOME 8.2″ BOP) Buick, Oldsmobile & Pontiac pinion seal.Yukon Mighty seal.

    Product Features:
    • Pinion seal
    • Fits 8.2″ Buick, Oldsmobile and Pontiac
    • 2.656″ O.D.
    • 1.645″ I.D.
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    Powertrax – No-Slip Traction System (Part No.9207752605)

    No-Slip Traction System

    from

    $518.99
    For vehicles that are driven daily, the Powertrax 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 Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. 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!
  • See More

    Yukon Gear – Ring Gear Bolt (Part No.33049)

    Ring Gear Bolt

    from

    $6.99
    Ring gear bolt for GM 7.5″, 7.6″, 7.6″ IRS, 8.0″, 8.25″ IFS, 8.5″, 8.6″ & 8.6″ IRS. 7/16″ x 20.

    Product Features:
    • Ring gear bolt for GM 7.5″, 7.625″, 7.6″ IRS, 8.0″, 8.25″ IFS, 8.5″, 8.6″ and 8.6″ IRS
    • 7/16″ x 20
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    Yukon Gear – Super Carrier Shim Kit For Ford 7.5", GM 7.5", 8.2" & 8.5" (Part No.55001)

    Super Carrier Shim Kit For Ford 7.5", GM 7.5", 8.2" & 8.5"

    from

    $52.99
    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
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    Pro-King – Shim Kit (Part No.741A200)

    Shim Kit

    from

    $19.99
    Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

    Product Features:
    • All products are designed to meet or exceed OE quality, form, fit and funtion.
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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 – Conversion Kit (Part No.41184)

    Conversion Kit

    from

    $249.99
    Product Features:
    • Fits GM 8.2″ Buick, Oldsmobile and Pontiac
    • Adapt GM gears for BOP housing
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    Yukon Gear – Sleeve For 8.2" Chevy Yoke Into A Buick, Oldsmobile, Pontiac Differential (Part No.41091)

    Sleeve For 8.2" Chevy Yoke Into A Buick, Oldsmobile, Pontiac Differential

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    $46.99
    Sleeve for 8.2″ Chevy yoke into a Buick, Oldsmobile, Pontiac differential.

    Product Features:
    • Fits GM 8.2″ Buick, Oldsmobile and Pontiac
    • Adapt GM gears for BOP housing
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    Yukon Gear – High Performance Ring & Pinion Gear Set For GM 7.5" In A 2.73 Ratio (Part No.24475)

    High Performance Ring & Pinion Gear Set For GM 7.5" In A 2.73 Ratio

    from

    $478.99
    Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up. All Yukon ring & pinion sets come standard with a one-year warranty.

    Product Features:
    • Fits GM 7.5″ and 7.6″
    • 7.50″ ring gear diameter
    • 27 spline pinion
    • 10 ring gear bolts
    • 2.73 ratio
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    Motive Gear – Differential Ring and Pinion (Part No.GM10-456)

    Differential Ring and Pinion

    from

    $212.99


    Product Features:
    • GM 10BL 8.5″ R/P 4.56 MG FRT/REAR
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    1968 Buick Skylark Differentials

    Maybe you’re in the middle of a full rebuild of that 1968 Buick Skylark. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 64 different Differentials in our inventory ranging from $4.99 to $883.99. That means you can find the exact parts or products you need to keep that 1968 Buick Skylark running smoothly.

    Differentials are only as good as their brand. We stock 11 different brands to make sure you have plenty of trusted parts to choose from for your 1968 Buick Skylark. National, Yukon Gear, and Motive Gear are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

    We know you’ll find the perfect Differentials for your 1968 Buick Skylark, but don’t take our word for it – read our customer ratings and reviews and buy with confidence.

    So if you’re in the market for aftermarket Differentials to keep your 1968 Buick Skylark rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

    Differentials Brands To Make Your 1968 Buick Skylark Last

    Simple repair, complete replacement, or a full rebuild. No matter the job, your 1968 Buick Skylark demands trusted brand parts and products to keep it running. Many trusted brands of Differentials make up Advance Auto Parts’ inventory, and all are ready to help make your Skylark the best it can be. Be sure to browse some of our top Differentials brands and parts.

    Popular Driveworks Differentials

    We carry Driveworks parts in our stock across Differential Pinion Seals categories, plus more. For a 1968 Buick Skylark, our most popular Driveworks Differentials include:
    Oil Seal
    from $6.29
    (1)
    Oil Seal
    Differential Pinion Seals

    Top 1968 Buick Skylark Differentials from National

    National products are another trusted brand when it comes to Differentials for your 1968 Buick Skylark. Popular National parts include:
    Bearings
    from $16.99
    (25)
    Bearings
    Differential Bearings

    FAQs for 1968 Buick Skylark Differentials

    What are the most purchased Differentials for the 1968 Buick Skylark?

    Out of 64 Differentials for the 1968 Buick Skylark, the most popular in our inventory are:
    3 Qt - Penzoil 80W90 Conventional Gear Oil
    from $44.99
    This product is not rated
    3 Qt – Penzoil 80W90 Conventional Gear Oil
    Differential Oil
    Differential Pinion Nut
    from $8.49
    (1)
    Differential Pinion Nut
    Differential Pinion Shaft Nuts
    Bearings
    from $38.49
    This product is not rated
    Bearings
    Front Differential Pinion Bearings