1977 Buick Skylark Differentials

Essential 1977 Buick Skylark Differentials

Yukon Gear – Standard Open Carrier Case, GM 8.5", 2.73 & Up (Part No.20083)

Standard Open Carrier Case, GM 8.5", 2.73 & Up

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$239.99
8.5″ GM standard Open case, 2.73 & up, 28 or 30 spline.

Product Features:
  • Standard open carrier case
  • Fits GM 8.5″ with 28 or 30 spline axles
  • 2.73 and up ratio only
  • Does not include spider gears
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Motive Gear – Differential Carrier Gear Kit (Part No.GM7.5BI)

Differential Carrier Gear Kit

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$115.99


Product Features:
  • INTERNAL KT GM 7.5 26 SPL
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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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Yukon Gear – Carrier Installation Kit For GM 8.5" Differential With HD Bearings (Part No.57009)

Carrier Installation Kit For GM 8.5" Differential With HD Bearings

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$148.99
Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for GM 8.5″ differential with HD bearings for large journal carrier. This kit contains carrier bearings, races and shims. This kit is used in 8.5″ differentials using a Yukon Dura Grip, Eaton posi, ValueTrac, True Trac, Pro-Series Auburn, Detroit Locker or standard carrier with large bearing journals.

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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Yukon Gear – Mini Spool For GM 8.5" With 28 Spline Axles (Part No.32232)

Mini Spool For GM 8.5" With 28 Spline Axles

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$165.99
10 bolt Mini Spool for 8.5″ GM with 28 spline axles. Mini spools are a low-cost traction option for vehicles looking for full-time lockup. The mini spool installs into a standard open carrier and give 100% power to both tires at all times. These units are not recommended for street-driven vehicles. We recommend full spools for vehicles with large tires or high horsepower. These units come with a one year warranty against manufacturing defects.

Product Features:
  • Fits GM 8.5″ with 28 spline axles
  • Installs into a standard open carrier case
  • Provides 100% traction to both wheels at all times
  • Not recommended for street driven vehicles
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Powertrax – Lock Right Locker (Part No.1940-LR)

Lock Right Locker

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$441.99
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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    Pro-King – Differential Cover Plug (Part No.742G484)

    Differential Cover Plug

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    $6.59
    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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    National – Bearings (Part No.KC-11445-Y)

    Bearings

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    $62.99
    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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    Yukon Gear – Pinion Depth Shim Kit For Toyota8", GM 7.5", 8.2" & 12 Bolt Truck (Part No.55064)

    Pinion Depth Shim Kit For Toyota8", GM 7.5", 8.2" & 12 Bolt Truck

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    $39.99
    8″ Toyota, 7.5″ GM, 8.2″ GM, 12T, pinion shim set, & Mazda truck.

    Product Features:
    • Pinion depth shim kit for Toyota 7.5″, 8″ and V6
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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

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    $173.99
    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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    Yukon Gear – Conversion Kit (Part No.41184)

    Conversion Kit

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    $289.99
    Product Features:
    • Fits GM 8.2″ Buick, Oldsmobile and Pontiac
    • Adapt GM gears for BOP housing
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    Motive Gear – Axle Shaft (Part No.MG1010)

    Axle Shaft

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    $119.99
    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 8.2″ 28 SPL. 29 5/8″ L&R DOUBLE DRILLED
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    Motive Gear – Differential Gear Install Kit (Part No.GM12IKC)

    Differential Gear Install Kit

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    $64.49


    Product Features:
    • MINI INSTALL KIT GM 12BLT 8.875 CAR
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    Dorman – Help – Differential Shaft Lock Bolt (Part No.81048)

    Differential Shaft Lock Bolt

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    $5.99
    This differential pinion shaft lock bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

    Product Features:
    • Direct replacement – this differential pinion shaft lock bolt matches the fit and function of the factory part on specified years, makes and models
    • Ideal solution – this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
    • 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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    Yukon Gear – The Carrier Bearing Puller (Part No.56034)

    The Carrier Bearing Puller

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    $689.99
    The Yukon carrier bearing Puller works with an impact gun to quickly and safely remove carrier bearings without damaging them. This unit comes with a handy bench top stand and works with up to most standard one ton applications. This unit is works with differentials up to one-ton applcations. It is not compatible with Dana 70HD, Dana 80, 10.25″ & 10.5″ Ford, or GM & Chrysler 11.5″ differentials.

    Product Features:
    • Carrier bearing puller
    • Works with an impact gun to safely and easliy remove carrrier bearings
    • Not compatible with Dana 70HD, Dana 80, Ford 10.25″ and 10.5″ or Gm and Chrysler 11.5″ applications
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    USA Standard Gear – Master Overhaul Kit for the GM 8.5 Differential (Part No.37055)

    Master Overhaul Kit for the GM 8.5 Differential

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    $206.99
    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
    • 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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    USA Standard Gear – Ring & Pinion Gear Set For GM 8.5" In A 4.30 Ratio (Part No.36217)

    Ring & Pinion Gear Set For GM 8.5" In A 4.30 Ratio

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    $474.99
    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
    • 4.30 ratio
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    Yukon Gear – Pinion Nut Washer (Part No.33167)

    Pinion Nut Washer

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    $14.99
    Pinion nut washer for GM 7.2″ IFS, 7.5″, 7.6″, 7.6″ IFS, 8.5″, 8.6″ & 9.5″.

    Product Features:
    • Pinion nut washer for GM 7.2″ IFS, 7.5″, 7.625″, 7.6″ IFS, 8.5″, 8.6″ and 9.5″.
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    Richmond Gear – Differential Cross Shaft (Part No.80-0270-1)

    Differential Cross Shaft

    from

    $64.99
    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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    Yukon Gear – Standard Open Cross Pin (0.795" Diameter) For 8.5" GM – Fits Some Eaton Positractions (Part No.33401)

    Standard Open Cross Pin (0.795" Diameter) For 8.5" GM - Fits Some Eaton Positractions

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    $49.99
    Standard open cross pin (0.795″ diameter) for 8.5″ GM. fits some Eaton positractions.

    Product Features:
    • Cross pin shaft for GM 8.5″ and 8.6″
    • Fits standard open differentials only
    • 0.795″ diameter
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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 Mini Spool (Part No.MS7.5-28)

    Differential Mini Spool

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    $101.99


    Product Features:
    • MINI SPOOL GM 7 1/2″ 28 SPLINE
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    Driveworks – Taper Bearing Cone (Part No.S-M-86649)

    Taper Bearing Cone

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    $8.79
    Value-priced bearing meets all cataloged application requirements.

    Product Features:
    • Brand may vary by location
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    Yukon Gear – Pinion Nut (Part No.33150)

    Pinion Nut

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    $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
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    Yukon Gear – 14 Plate Carbon Clutches For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron ‘Vette (Part No.16041)

    14 Plate Carbon Clutches For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron 'Vette

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    $404.99
    Product Features:
    • Clutch kit
    • Fits Ford 8.8″, 1963-1979 Corvette, GM 12 bolt passenger car and truck, 8.2″, 8.5″ and 8.6″ Dura Grip positraction
    • 14 piece kit
    • Carbon fiber clutches
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    Yukon Gear – Dana 25, 27, 30, 44, Model 20 And Model 35, GM 7.5", 8.2", 8.5", 12P, 12T, C9.25 Rear Cover Bolt (Part No.33286)

    Dana 25, 27, 30, 44, Model 20 And Model 35, GM 7.5", 8.2", 8.5", 12P, 12T, C9.25 Rear Cover Bolt

    from

    $9.99
    5/16″-18 cover bolt, Dana Spicer 25, 27, 30 and 44, AMC Model 20 and Model 35, Chrysler 9.25 rear, GM 7.5″, 7.625″, 8.2″, 8.5″, 12 bolt passenger car and truck.

    Product Features:
    • Cover bolt for Dana Spicer 25, 27, 30 and 44, AMC Model 20 and Model 35, GM 7.5″, 7.625″, 8.2″, 8.5″ and 12 bolt passenger car and truck.
    • 1/2″ head
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    Felpro – Differential Cover Gasket (Part No.RDS 55028-1)

    Differential Cover Gasket

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    $9.99
    Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

    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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    National – Bearings (Part No.M88010)

    Bearings

    from

    $10.49
    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
    See More

    1977 Buick Skylark Differentials

    Maybe you’re in the middle of a full rebuild of that 1977 Buick Skylark. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 267 different Differentials in our inventory ranging from $1.99 to $1,153.99. That means you can find the exact parts or products you need to keep that 1977 Buick Skylark running smoothly.

    Differentials are only as good as their brand. We stock 12 different brands to make sure you have plenty of trusted parts to choose from for your 1977 Buick Skylark. Valvoline, Felpro, and Driveworks 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 1977 Buick Skylark, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 11,567 reviews in this category, some of the top rated parts include Bearings with 4.8 stars and Differential Ring And Pinion with 4.2 stars.

    So if you’re in the market for aftermarket Differentials to keep your 1977 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 1977 Buick Skylark Last

    Simple repair, complete replacement, or a full rebuild. No matter the job, your 1977 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.

    FAQs for 1977 Buick Skylark Differentials

    What are the most purchased Differentials for the 1977 Buick Skylark?

    Out of 267 Differentials for the 1977 Buick Skylark, the most popular in our inventory are:
    Differential Cover Gasket
    from $9.99
    (195)
    Differential Cover Gasket
    Rear Housing Cover Gaskets
    Taper Bearing Set
    from $10.29
    (38)
    Taper Bearing Set
    Differential Bearings
    DIFFERENTIAL GASKET
    from $7.99
    (45)
    DIFFERENTIAL GASKET
    Rear Differential Cover Gaskets

    What are the top-rated 1977 Buick Skylark Differentials?

    Top-rated Differentials for your 1977 Buick Skylark based on customer reviews/ratings are:
    Bearings
    from $16.99
    (25)
    Bearings
    “Fit like it should no issues”
    Differential Ring And Pinion
    from $342.99
    (23)
    Differential Ring And Pinion
    “So far so good.”
    Differential Shaft Lock Bolt
    from $5.99
    (11)
    Differential Shaft Lock Bolt
    “great”