1981 Buick Regal Differentials

More 1981 Buick Regal Differentials

Find your specific 1981 Buick Regal original or aftermarket Differentials below. Order your parts online and have delivered to your home or pick up in-store at Advance Auto.

Essential 1981 Buick Regal 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!
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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

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    $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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    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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    USA Standard Gear – 8.5" GM Spartan Locker Cross Pin (Part No.17024)

    8.5" GM Spartan Locker Cross Pin

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    $49.99
    Product Features:
    • USA Standard Gear heavy-duty cross pin shaft
    • Fits GM 8.5″ and 8.6″
    • Works with Spartan Locker or standard open spider gears
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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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    Dorman – Help – Pinion Crush Sleeves (Part No.81057)

    Pinion Crush Sleeves

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    $5.29
    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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    National – Bearings (Part No.HM89210)

    Bearings

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    $14.99
    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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    Powertrax – Grip LS Traction System (Part No.LS201028)

    Grip LS Traction System

    from

    $463.99
    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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    Motive Gear – Differential Bearing Kit – Koyo (Part No.R7.5GRB)

    Differential Bearing Kit - Koyo

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    $94.99
    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:
    • BRG KIT GM 7.5 ‘B’ MODEL CAR ’78-81 METRIC HOUSING
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    Yukon Gear – Spider Gear Set For GM 7.5" & 7.625" Dura Grip Posi, 26 Spline (Part No.16116)

    Spider Gear Set For GM 7.5" & 7.625" Dura Grip Posi, 26 Spline

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    $279.99
    Yukon spider gear set for GM 7.5″ & 7.625″ Dura Grip posi, 26 spline. This kit does not include clutches. This kit fits Yukon Dura Grip ONLY.

    Product Features:
    • Spider gear kit
    • Fits GM gm 7.5″ with 26 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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    Yukon Gear – Pinion Seal For GM 8.5", 8.2", Buick, Oldsmobile, And Pontiac (Part No.30017)

    Pinion Seal For GM 8.5", 8.2", Buick, Oldsmobile, And Pontiac

    from

    $9.99
    Pinion seal for GM 8.5″, 8.2″, Buick, Oldsmobile, and Pontiac.Yukon Mighty seal.

    Product Features:
    • Pinion seal
    • Fits GM 8.5″ rear, 8.2″ and 8.2″ in Buick, Oldsmobile and Pontiac
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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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    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!
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    Yukon Gear – Dura Grip Positraction For GM 7.5" & 7.625" With 26 Spline Axles, 3.23 & Up (Part No.26017)

    Dura Grip Positraction For GM 7.5" & 7.625" With 26 Spline Axles, 3.23 & Up

    from

    $889.99
    The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence & performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction. The Yukon Dura Grip uses a nodular case and forged 4320 internals for added strength along with composite clutches for high performance and long life. All units are Rebuildable and many offer upgrades to increase aggressiveness for racing applications. Each unit carries a one year warranty against defects.

    Product Features:
    • Fits GM 7.5″ and 7.625″ with 26 spline axles
    • 3.23 ratio and up only
    • 4-spring, clutch style positraction
    • Internal gears are manufactured using forged 4320 steel and cut to provide stronger teeth
    • Fully rebuildable
    • Assembled in the USA
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    Pro-King – Differential Pinion Yoke Washer (Part No.742A215)

    Differential Pinion Yoke Washer

    from

    $3.99
    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 – Standard Open Spider Gear Kit For Early 7.5" GM With 26 Spline Axles And Large Windows (Part No.16048)

    Standard Open Spider Gear Kit For Early 7.5" GM With 26 Spline Axles And Large Windows

    from

    $149.99
    Yukon standard open spider gear kit for early 7.5″ GM with 26 spline axles and large windows. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. All components come with a one year warranty against manufacturing defects.

    Product Features:
    • Spider gear kit
    • Fits GM 7.5″ open differential with 26 spline axles
    • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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    Yukon Gear – GM 7.5" Standard Open Side Gear Thrust Washer (Part No.33389)

    GM 7.5" Standard Open Side Gear Thrust Washer

    from

    $11.99
    GM 7.5″ standard Open side gear thrust washer.

    Product Features:
    • Side gear thrust washer
    • Fits GM 7.5″
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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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    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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    Richmond Gear – Differential Spool Bearing Kit (Part No.29-0013-1)

    Differential Spool Bearing Kit

    from

    $58.99
    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 – 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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    Yukon Gear – Set Up Bearing (Part No.56044)

    Set Up Bearing

    from

    $153.99
    HM89449 set-up bearing (one bearing). No return.

    Product Features:
    • Set up bearing
    • Fits HM89449 pinion bearing
    • Easily slips on and off pinion journal to allow for pinion depth adjustment
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    Richmond Gear – RngPnnInstlKt (Part No.83-1044-B)

    RngPnnInstlKt

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    $43.99
    RngPnnInstlKt
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    Yukon Gear – Yoke For GM 7.5" And 7.625" (Mech 3R) In A Triple Lip Design (Part No.41088)

    Yoke For GM 7.5" And 7.625" (Mech 3R) In A Triple Lip Design

    from

    $154.99
    Yukon yoke for GM 7.5″ and 7.625″ (mech 3R) in a triple lip design. 2.556″ snap ring span, 1.125″ cap diameter. Inside snap ring. This yoke uses inside clips. All Yukon yokes come with a one year warranty against manufacturing defects.

    Product Features:
    • Fits GM 7.5″ and 7.625″
    • 27 spline
    • Mechanics 3R u-joint size
    • 2.556″ snap ring span
    • 1.125″ cap diameter
    • Inside snap ring design
    • Strap style
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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

    $59.99
    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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    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 – Pinion Depth Shims For GM 7.5", 7.75", 8.2" & 12 Bolt Truck (Part No.55008)

    Pinion Depth Shims For GM 7.5", 7.75", 8.2" & 12 Bolt Truck

    from

    $21.99
    Product Features:
    • Pinion depth shims for GM 7.5″, 7.625″, 7.6 IFS, 7.6 IRS, 7.75″, 8.2″, 1955-1964 passenger car and 12 bolt car and truck
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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

    from

    $153.99
    Product Features:
    • Positraction spring kit
    • Fits GM 7.5″ and 7.625″ Dura Grip
    • Includes preload plates
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    Popular 1981 Buick Regal Differentials Categories

    Differential Oil
    Differential Oil
    Rear Differential Cover Gaskets
    Rear Differential Cover Gaskets
    Differential Open Unit and Components
    Differential Open Unit and Components
    Differential Covers
    Differential Covers
    Differential Pinion Shaft Lock Bolts
    Differential Pinion Shaft Lock Bolts
    Differential Axle Shafts
    Differential Axle Shafts
    Differential Pinion Pilot Bearings
    Differential Pinion Pilot Bearings
    Differential Cover Bolts
    Differential Cover Bolts
    Differential Carriers
    Differential Carriers
    Differential Bearing Kits
    Differential Bearing Kits
    Front Differential Pinion Bearings
    Front Differential Pinion Bearings
    Differential Spider Gear Kits
    Differential Spider Gear Kits
    Differential Rebuild Kits
    Differential Rebuild Kits
    Differential Carrier Shim Kits
    Differential Carrier Shim Kits
    Differential Pinion Seals
    Differential Pinion Seals
    Differential Clutch Packs
    Differential Clutch Packs
    Differential Ring and Pinions
    Differential Ring and Pinions
    Differential End Yokes
    Differential End Yokes
    Rear Differential Pinion Bearings
    Rear Differential Pinion Bearings
    Differential Spools
    Differential Spools
    Differential Carrier Bearings
    Differential Carrier Bearings
    Differential Lock Springs
    Differential Lock Springs
    Differential Pinion Bearing Kits
    Differential Pinion Bearing Kits
    Complete Differentials
    Complete Differentials
    Differential Drain Plugs
    Differential Drain Plugs
    Differential Ring Gear Bolts
    Differential Ring Gear Bolts
    Bearing Race Drivers
    Bearing Race Drivers
    Differential Pinion Shafts
    Differential Pinion Shafts
    Differential Crush Sleeves
    Differential Crush Sleeves
    Differential Side Bearing Spacers
    Differential Side Bearing Spacers
    Differential Pinion Shims
    Differential Pinion Shims
    Differential Pinion Shaft Nuts
    Differential Pinion Shaft Nuts
    Differential Gear Install Kits
    Differential Gear Install Kits
    Differential Cross Pins
    Differential Cross Pins
    Differential Side Gear Thrust Washers
    Differential Side Gear Thrust Washers
    Differential Pinion Gear Thrust Washers
    Differential Pinion Gear Thrust Washers
    Differential Pinion Gear Washers
    Differential Pinion Gear Washers
    Limited Slip Differential Assemblies
    Limited Slip Differential Assemblies
    Differential Clutch Pack Clips
    Differential Clutch Pack Clips

    1981 Buick Regal Differentials

    Maybe you’re in the middle of a full rebuild of that 1981 Buick Regal. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 229 different Differentials in our inventory ranging from $2.49 to $1,566.99. That means you can find the exact parts or products you need to keep that 1981 Buick Regal running smoothly.

    Differentials are only as good as their brand. We stock 14 different brands to make sure you have plenty of trusted parts to choose from for your 1981 Buick Regal. Valvoline, Yukon Gear, and FELPRO 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 1981 Buick Regal, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 700 reviews in this category, some of the top rated parts include Differential Shaft Lock Bolt with 4.0 stars and Differential Master Bearing Kit – Koyo with 3.8 stars.

    So if you’re in the market for aftermarket Differentials to keep your 1981 Buick Regal 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 1981 Buick Regal Last

    Simple repair, complete replacement, or a full rebuild. No matter the job, your 1981 Buick Regal 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 Regal the best it can be. Be sure to browse some of our top Differentials brands and parts.

    Popular Felpro Differentials

    We carry Felpro parts in our stock across Rear Differential Cover Gaskets categories, plus more. For a 1981 Buick Regal, our most popular Felpro Differentials include:
    DIFFERENTIAL GASKET
    from $7.99
    (45)
    DIFFERENTIAL GASKET
    Rear Differential Cover Gaskets

    FAQs for 1981 Buick Regal Differentials

    What are the most purchased Differentials for the 1981 Buick Regal?

    Out of 229 Differentials for the 1981 Buick Regal, the most popular in our inventory are:
    DEXRON - VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart
    from $14.49
    (2)
    DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart
    Differential Oil
    DEX/MERC Automatic Transmission Fluid, 1 Gallon
    from $35.99
    (17)
    DEX/MERC Automatic Transmission Fluid, 1 Gallon
    Differential Oil
    3 Qt - 80W90 Conventional Gear Oil With Posi Additive
    from $57.99
    This product is not rated
    3 Qt – 80W90 Conventional Gear Oil With Posi Additive
    Differential Oil

    What are the top-rated 1981 Buick Regal Differentials?

    Top-rated Differentials for your 1981 Buick Regal based on customer reviews/ratings are:
    Differential Shaft Lock Bolt
    from $5.99
    (11)
    Differential Shaft Lock Bolt
    “great”
    Differential Master Bearing Kit - Koyo
    from $156.99
    (5)
    Differential Master Bearing Kit – Koyo
    “was delivered as promised and on time”
    Shaft Repair Sleeve
    from $43.99
    (2)
    Shaft Repair Sleeve
    “As a mechanic I dont have time or money to waste on inferior products, which this is not. Great product,great price”

    More Popular Parts for All Makes