Buick Century Differentials

Your One-Stop Shop For Trusted Buick Century Differentials

If you’re in search of Buick Century Differentials aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 151 Differentials from top brands with prices ranging from $2.59 to $551.99.

Beyond great prices, we stock trusted brands manufacturing all types of Differentials for your Buick Century.

And don’t forget to read customer reviews across all Differentials categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Differentials have to cost top dollar, and we prove it. Browse our top Buick Century Differentials below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential Buick Century Differentials

Powertrax – No-Slip Traction System (Part No.9207883005)

No-Slip Traction System

from

$551.99
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

    National – Bearing Race (Part No.LM67010)

    Bearing Race

    from

    $4.49
    National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

    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
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    Pro-King – Differential Ring Gear Bolt (Part No.742G935)

    Differential Ring Gear Bolt

    from

    $2.99
    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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    Richmond Gear – RngPnnInstlKt (Part No.83-1021-1)

    RngPnnInstlKt

    from

    $182.99
    RngPnnInstlKt

    Richmond Gear – RngPnn (Part No.69-0324-1)

    RngPnn

    from

    $350.99
    RngPnn

    Valvoline – DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart (Part No.798153)

    DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart

    from

    $11.99
    Valvoline DEX/MERC ATF is a high-quality transmission fluid formulated to meet the challenging demands of many automatic transmissions. Its responsive low-temperature fluidity is beneficial in both electronic and hydraulic controlled transmissions and transaxles. Recommended for use in the following applications: MERCON*, DEXRON*-III, Ford M2C138-CJ and M2C166-H, Allison C-4 and TES-389, and Caterpillar TO-2.

    Product Features:
    • Formulated with premium base stocks and advanced additive technology to meet the challenging demands of automatic transmissions
    • Enhanced anti-shudder protection for smooth shifting and maximum power transfer
    • 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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    National – Multi-Purpose Bearing (Part No.A-5)

    Multi-Purpose Bearing

    from

    $16.99
    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

    Motive Gear – Differential Gear Install Kit (Part No.GM7.5IK)

    Differential Gear Install Kit

    from

    $49.99


    Product Features:
    • MINI INSTALL KIT GM 7.5
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    Pro-King – Differential Pinion Yoke Washer (Part No.742A215)

    Differential Pinion Yoke Washer

    from

    $4.99
    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.
    See More

    Pro-King – Differential Cover Gasket (Part No.742G303A)

    Differential Cover Gasket

    from

    $31.49
    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.
    See More

    Powertrax – No-Slip Traction System (Part No.9207853005)

    No-Slip Traction System

    from

    $544.99
    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

    FAG US – Bearing – CRB (Cylindrical Roller Bearing) (Part No.FC67147)

    Bearing - CRB (Cylindrical Roller Bearing)

    from

    $43.99
    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
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    Mr. Gasket – Differential Cover Kit (Part No.9891)

    Differential Cover Kit

    from

    $75.99
    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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    Pro-King – Differential Cross Shaft (Part No.742G930)

    Differential Cross Shaft

    from

    $2.99
    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.
    See More

    Motive Gear – Differential Spool (Part No.FS10-28)

    Differential Spool

    from

    $187.99


    Product Features:
    • FULL SPOOL GM 10 BOLT 8.5 28 SPL ST
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    Dorman – Help – Pinion Crush Sleeves (Part No.81058)

    Pinion Crush Sleeves

    from

    $6.99
    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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    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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    Pro-King – Differential Cover Plug (Part No.742G484)

    Differential Cover Plug

    from

    $6.99
    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.
    See More

    Needa Parts – Standard Engine Oil Drain Plug: M20-1.50 Thread, 17 mm Head (Sold by each) (Part No.090-040)

    Standard Engine Oil Drain Plug: M20-1.50 Thread, 17 mm Head (Sold by each)

    from

    $4.99
    This engine oil drain plug is designed to match the fit and function of an original equipment plug on specified vehicles. It is engineered to replace a missing or damaged plug & help ensure a secure seal.

    Product Features:
    • Direct replacement – this engine oil drain plug is designed to match the fit and function of an original equipment plug on specified vehicles.
    • Ideal solution – engineered to replace a missing or damaged plug and help ensure a secure seal
    • Durable construction – designed and manufactured to strict specifications for reliable performance
    • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
    See More

    Driveworks – Oil Seal (Part No.S-2043)

    Oil Seal

    from

    $7.99
    Value-priced seal meets all cataloged application requirements.

    Product Features:
    • Brand may vary by location
    See More

    Powertrax – Grip LS Traction System (Part No.LS231230)

    Grip LS Traction System

    from

    $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!
    See More

    FAG US – Repair Sleeve (Part No.SR3506)

    Repair Sleeve

    from

    $53.99
    The FAG repair sleeve is a precision element that provides additional sealing for damaged shafts. Made of heat-treated stainless steel, the FAG repair sleeve signifcantly increases the life of the shaft and prevents premature wear. Since no shaft removal or machining is required during the repair, the repair sleeve is a cost effective repair solution to protect damaged surfaces.

    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

    FAG US – Shaft Seal (Part No.SS2421)

    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
    See More

    Dorman – Rear Axle Shaft, Left Or Right (Part No.630-113A)

    Rear Axle Shaft, Left Or Right

    from

    $106.99
    Axle shaft damaged or bearings worn out: This axle shaft directly replaces the original equipment on certain vehicles, complete with all necessary application-specific installation components.

    Product Features:


      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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    Motive Gear – Differential Carrier Shim Kit (Part No.1101)

    Differential Carrier Shim Kit

    from

    $8.99
    High-quality Differential Carrier Shim Kit

    Product Features:
    • CARRIER SHIMS 12 BOLT GM CAR & TRUCK ALSO GM8.6″ 99-ON
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    Differentials Brands You Can Trust For Your Buick Century

    15 trusted brands of Differentials line our shelves, ready to help keep your Buick Century running smooth. Below are some of the most popular brands and their top Differentials offerings:

    Popular Driveworks Differentials

    Driveworks products for the Buick Century span several categories. Some of the highest-rated Driveworks Differentials that will fit your Buick Century are:
    Oil Seal
    from $7.99
    (1)
    Oil Seal
    Differential Pinion Seals

    Top Buick Century Differentials from Felpro

    Your Buick Century will be purring again thanks to Felpro brand Differentials available for online order or in-store pick up. Popular Felpro parts include:
    Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket
    from $10.99
    (195)
    Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket
    Rear Housing Cover Gaskets
    Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket
    from $8.99
    (45)
    Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket
    Rear Differential Cover Gaskets
    Axle Housing Cover Gasket Oval Shaped 12 Bolt Hole Gasket
    from $8.49
    (7)
    Axle Housing Cover Gasket Oval Shaped 12 Bolt Hole Gasket
    Rear Differential Cover Gaskets

    Most Purchased Buick Century Differentials from Royal Purple

    When you buy the most frequently purchased Royal Purple brand Differentials, you can be confident it will be the right part for your Buick Century. Here are the Royal Purple Differentials Advanced Auto customers buy the most:
    Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket
    from $10.99
    (195)
    Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket
    Rear Housing Cover Gaskets

    FAQs for Buick Century Differentials

    What are the most purchased Differentials for the Buick Century?

    Out of 151 Differentials for the Buick Century, the most popular in our inventory are:
    DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart
    from $11.99
    This product is not rated
    DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart
    Differential Oil

    What are the top-rated Buick Century Differentials?

    Top-rated Differentials for your Buick Century based on customer reviews/ratings are:
    Multi-Purpose Bearing
    from $16.99
    (39)
    Multi-Purpose Bearing
    “Great bearings”
    Differential Ring And Pinion
    from $342.99
    (23)
    Differential Ring And Pinion
    “Installed in mycar”
    Differential Shaft Lock Bolt
    from $6.79
    (11)
    Differential Shaft Lock Bolt
    “Exactly like OEM”