1968 Buick GS 400 Differentials

Essential 1968 Buick GS 400 Differentials

Spectre – GM Differential Cover 71-81 (Part No.6072)

GM Differential Cover 71-81

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$51.99
The Spectre 10 bolt chrome differential cover fits 1964-’72 GM Intermediates and 1973-’77 Camaros (will not fit 8.5 inch ring gear). This differential cover is made from steel with a durable triple chrome-plated finish and comes with chrome bolts and a gasket. Note that there are several GM 10-bolt covers built exactly to factory specifications. Use the photo to verify the correct vehicle application. Includes 10 SAE standard chrome bolts for installation. You’ll need to supply your own bolts if your application requires metric bolts.

Product Features:
  • Triple chrome plated steel cover
  • Includes chrome bolts and a gasket
  • Fits 10-bolt GM differentials
  • 10 chrome 5/16 inch -18 x 3/4 inch differential cover bolts included
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Richmond Gear – RngPnnInstlKt (Part No.83-1019-B)

RngPnnInstlKt

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$39.49
RngPnnInstlKt

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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National – Bearings (Part No.M804049)

Bearings

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$38.49
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Crowned raceways and rollers to ensure even load distribution for maximum life
  • Industry leading coverage
  • Professional technicians know they can depend on National
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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!
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    Motive Gear – Differential Carrier Gear Kit (Part No.GM12BI)

    Differential Carrier Gear Kit

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    $163.99


    Product Features:
    • GM 8 7/8″ OPEN INTERNAL KIT CAR & TRUCK
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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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    Powertrax – Grip LS Traction System (Part No.LS231230)

    Grip LS Traction System

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    $480.99
    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!
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    Richmond Gear – Differential Spool (Part No.81-1235-1)

    Differential Spool

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    $346.99
    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.
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    National – Bearings (Part No.A-6)

    Bearings

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    $16.99
    National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

    Product Features:
    • Premium bearing design matches OEM specifications
    • Precision manufactured using premium-grade steel for outstanding durability and performance
    • Crowned raceways and rollers to ensure even load distribution for maximum life
    • Industry leading coverage
    • Professional technicians know they can depend on National
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    Mr. Gasket – Differential Gasket (Part No.84)

    Differential Gasket

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    $18.99
    Precision cut and high quality materials. Reusable.

    Product Features:
    • Precision cut
    • High-quality materials
    • Reusable
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    Motive Gear – Differential Carrier Shim Kit (Part No.1101)

    Differential Carrier Shim Kit

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    $8.49
    High-quality Differential Carrier Shim Kit

    Product Features:
    • CARRIER SHIMS 12 BOLT GM CAR & TRUCK ALSO GM8.6″ 99-ON
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    Motive Gear – Differential Pinion Shim Kit (Part No.1104)

    Differential Pinion Shim Kit

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    $12.99


    Product Features:
    • KIT SHIM
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    Motive Gear – Differential Pinion Solid Spacer Kit w/Shims (Part No.4101)

    Differential Pinion Solid Spacer Kit w/Shims

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    $53.99


    Product Features:
    • GM12 BOLT CAR SOLID SPACER & SHIMS
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    Motive Gear – Performance Differential Ring and Pinion (Part No.BP882373)

    Performance Differential Ring and Pinion

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    $319.99


    Product Features:
    • BOP R/P 8.2″ 10BLT 3.73
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    Richmond Gear – RngPnn (Part No.69-0304-1)

    RngPnn

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    $342.99
    RngPnn

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

    For Use With General Motors, 0.800"  Head L, 3/8" - 24 Thread Size, Chrome Moly

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    $40.49
    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
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    Richmond Gear – MiniSpool (Part No.78-1230-1)

    MiniSpool

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    $151.99
    MiniSpool

    Motive Gear – Differential Crush Sleeve (Part No.3954480)

    Differential Crush Sleeve

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    $5.49


    Product Features:
    • CRUSH SLEEVE 12 BLT CAR
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    Driveworks – Oil Seal (Part No.S-8460N)

    Oil Seal

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    $6.29
    Value-priced seal meets all cataloged application requirements.

    Product Features:
    • Brand may vary by location
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    National – Multi Purpose Seal (Part No.8460N)

    Multi Purpose Seal

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    $12.29
    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:
    • Low swell in hydrocarbon fluids
    • Design type: spring loaded; multi-lip
    • Provides good low temperature capability
    • Temperature range: -40°F to 225°F; -40°C to 107°C
    • Delivers quality and reliable performance for every type of repair
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    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

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    $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

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    $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
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    Motive Gear – Differential Super Bearing Kit – Timken (Part No.R12CRSKT)

    Differential Super Bearing Kit - Timken

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    $156.99
    All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear!
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    Motive Gear – Differential Master Bearing Kit – Koyo (Part No.R8.5PRMK)

    Differential Master Bearing Kit - Koyo

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    $109.99
    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:
    • BRNG & SEAL MASTER KIT-10 BOLT “P”
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    Richmond Gear – RngPnnInstlKt (Part No.83-1019-1)

    RngPnnInstlKt

    from

    $199.99
    RngPnnInstlKt

    Motive Gear – Differential Bearing Kit – Koyo (Part No.R12CR)

    Differential Bearing Kit - Koyo

    from

    $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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    1968 Buick GS 400 Differentials

    Maybe you’re in the middle of a full rebuild of that 1968 Buick GS 400. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 62 different Differentials in our inventory ranging from $5.49 to $566.99. That means you can find the exact parts or products you need to keep that 1968 Buick GS 400 running smoothly.

    Differentials are only as good as their brand. We stock 10 different brands to make sure you have plenty of trusted parts to choose from for your 1968 Buick GS 400. 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 GS 400, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 39 reviews in this category, some of the top rated parts include Differential Pinion Shim Kit with 5.0 stars and Differential Pinion Nut with 1.0 stars.

    So if you’re in the market for aftermarket Differentials to keep your 1968 Buick GS 400 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 GS 400 Last

    Simple repair, complete replacement, or a full rebuild. No matter the job, your 1968 Buick GS 400 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 GS 400 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 GS 400, our most popular Driveworks Differentials include:
    Oil Seal
    from $6.29
    (1)
    Oil Seal
    Differential Pinion Seals

    Top 1968 Buick GS 400 Differentials from National

    National products are another trusted brand when it comes to Differentials for your 1968 Buick GS 400. Popular National parts include:
    Bearings
    from $16.99
    (25)
    Bearings
    Differential Bearings
    Multi Purpose Seal
    from $12.29
    (2)
    Multi Purpose Seal
    Differential Pinion Seals

    FAQs for 1968 Buick GS 400 Differentials

    What are the most purchased Differentials for the 1968 Buick GS 400?

    Out of 62 Differentials for the 1968 Buick GS 400, 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 Cover Gasket
    from $7.49
    (6)
    Differential Cover Gasket
    Rear Differential Cover Gaskets
    Differential Carrier Shim Kit
    from $8.49
    (3)
    Differential Carrier Shim Kit
    Differential Carrier Shim Kits

    What are the top-rated 1968 Buick GS 400 Differentials?

    Top-rated Differentials for your 1968 Buick GS 400 based on customer reviews/ratings are:
    Differential Pinion Shim Kit
    from $7.49
    (1)
    Differential Pinion Shim Kit
    “good product”
    Differential Pinion Nut
    from $8.49
    (1)
    Differential Pinion Nut
    “Said it fits 62 Corvette on website, this nut is 7/8-14 thread and the one that fits is 7/8-16 thread. Wrong info on site set me back a week getting t”