Buick Regal Differentials

Your One-Stop Shop For Trusted Buick Regal Differentials

If you’re in search of Buick Regal Differentials aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 346 Differentials from top brands with prices ranging from $2.59 to $2,219.99.

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

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 Regal Differentials below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential Buick Regal Differentials

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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    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
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    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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    Yukon Gear – 14 Plate Duragrip Composite Clutches For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron ‘Vette (Part No.16064)

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

    from

    $373.99
    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
    • Composite clutches
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    Valvoline – Hybrid ATF Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.898795)

    Hybrid ATF Full Synthetic Automatic Transmission Fluid, 1 Quart

    from

    $14.99
    Valvoline is the No. 1 ATF brand, and now we’ve taken it to the next level with our hybrid performance fluid: Valvoline Full Synthetic Hybrid Automatic Transmission Fluid. Specifically designed for hardworking hybrids, Valvoline Full Synthetic Hybrid ATF is suitable for use in more than 95% of hybrid vehicles in operation with registered US ATF full hybrid vehicles (not including mild hybrids, traditional CVT or DCT hybrid models). Valvoline Full Synthetic Hybrid ATF is proven to maximize transmission life, and it’s compatible with copper and the coatings on copper in hybrid transmission, providing greater oxidation stability, insulation for the electrical current, and increased heat transfer capabilities to protect against transmission failure. Look for Valvoline’s complete lineup of hybrid performance fluids, including motor oil and antifreeze/coolant ¿ from the brand trusted for over 150 years.

    Product Features:
    • Full synthetic hybrid ATF with Copper Care Technology, from the No. 1 ATF brand
    • Enhanced protection against corrosion that can result in hybrid transmission failure
    • Protects electrical systems maximizing transmission efficiency
    • Increased heat transfer capabilities to protect against higher temperatures produced by hybrids
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    Yukon Gear – Posi Spring Kit For GM 7.5", With Preload Plates (Part No.33206)

    Posi Spring Kit For GM 7.5", With Preload Plates

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    $153.99
    Product Features:
    • Positraction spring kit
    • Fits GM 7.5″ and 7.625″ Dura Grip
    • Includes preload plates
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    Richmond Gear – RngPnnInstlKt (Part No.83-1044-B)

    RngPnnInstlKt

    from

    $43.99
    RngPnnInstlKt

    Yukon Gear – 7.5 GM Cover Gasket (Part No.23018)

    7.5 GM Cover Gasket

    from

    $11.99
    7.5 GM cover gasket.

    Product Features:
    • Cover gasket
    • Fits GM 7.5″ and 7.625″
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    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
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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.
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    Yukon Gear – Positraction Internals For 8.5" GM With 28 Spline Axles (Part No.16052)

    Positraction Internals For 8.5" GM With 28 Spline Axles

    from

    $336.99
    Yukon positraction internals (0.795″ diameter) for 8.5″ GM with 28 spline axles. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. This kit does not include clutches. All components come with a one year warranty against manufacturing defects. This kit is compatible with Yukon Dura Grip or Eaton positractions. It will not fit a factory Gov-Loc positraction.

    Product Features:
    • Spider gear kit
    • Fits GM 8.5″ with 28 spline Dura Grip positraction
    • Includes two side gears, four pinion gears, cross pin shaft, roll pin and spider gear thrust washers.
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    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
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    Yukon Gear – Positraction Shim Kit (18 Shims) For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron ‘Vette (Part No.16042)

    Positraction Shim Kit (18 Shims) For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron 'Vette

    from

    $41.99
    Product Features:
    • Shim 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
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    Driveworks – Camshaft Seal (Part No.S-99139)

    Camshaft Seal

    from

    $23.99
    Product Features:
    • Brand may vary by location
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    Yukon Gear – Pinion Nut (Part No.33152)

    Pinion Nut

    from

    $9.99
    Pinion nut for GM 7.2″ IFS, 7.5″, 7.6″, 7.6″ IFS, 8.0″, 8.25″, 8.5″, 8.6″, 9.25″ IFS, 9.5″ & Oldsmobile Dropouts. 1 1/4″ socket, 7/8″ x 14 thread.

    Product Features:
    • Pinion nut for GM 7.2″, 7.5″, 7.625″, 8.0″, 8.25″ IFS, 8.5″, 8.6″, 9.25″ IFS and 9.5″
    • 7/8″ x 14 thread
    • 1 1/4″ socket
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    Pro-King – Differential Cross Shaft (Part No.742G673)

    Differential Cross Shaft

    from

    $28.49
    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.
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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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    Yukon Gear – Bearing Race Driver (Part No.56016)

    Bearing Race Driver

    from

    $188.99
    Bearing race driver. No return.

    Product Features:
    • Bearing race driver
    • Fits HM89210 race
    • All steel construction
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    Richmond Gear – Differential Cross Shaft (Part No.CSPGM75)

    Differential Cross Shaft

    from

    $26.49
    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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    FAG US – 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
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    Richmond Gear – MiniSpool (Part No.78-7528-1)

    MiniSpool

    from

    $151.99
    MiniSpool

    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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    Dorman – Differential Solenoid Valve Assembly (Part No.699-010)

    Differential Solenoid Valve Assembly

    from

    $397.99
    This replacement differential clutch pressure control valve is engineered to match the performance of the original clutch pump on specific vehicle years, makes and models. It has been constructed from quality materials to provide a durable and convenient alternative to a factory clutch pump from the dealer.

    Product Features:
    • Restores function – the differential clutch pressure control valve, also called the pump, is engineered to help restore performance to inoperable differentials
    • Quality materials – this pump is constructed of high-quality materials for superior durability and precise actuation
    • Ideal replacement – this differential clutch pump is designed to match the performance of the original equipment part for a trouble-free installation
    • Trustworthy quality – designed in the United States and backed by more than a century of automotive aftermarket excellence
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    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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    Dorman – Axle Shaft (Part No.630-142)

    Axle Shaft

    from

    $324.99
    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:
    • 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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    Differentials Brands You Can Trust For Your Buick Regal

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

    Popular Driveworks Differentials

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

    Most Purchased Buick Regal 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 Regal. Here are the Royal Purple Differentials Advanced Auto customers buy the most:

    FAQs for Buick Regal Differentials

    What are the most purchased Differentials for the Buick Regal?

    Out of 346 Differentials for the Buick Regal, the most popular in our inventory are:
    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

    What are the top-rated Buick Regal Differentials?

    Top-rated Differentials for your Buick Regal based on customer reviews/ratings are:
    Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket
    from $8.99
    (45)
    Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket
    “Fit was right on no problems with alignment on cover.”
    Differential Cover
    from $24.99
    (38)
    Differential Cover
    “Looks great, face lift for the rear differential. Old one was rusted & in bad shape. Just remember to get the correct size.”
    Differential Ring And Pinion
    from $342.99
    (23)
    Differential Ring And Pinion
    “Installed in mycar”