1971 Buick Estate Wagon Differentials

Essential 1971 Buick Estate Wagon Differentials

Powertrax – No-Slip Traction System (Part No.9207822801)

No-Slip Traction System

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$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!
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    National – Bearings (Part No.25520)

    Bearings

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    $8.99
    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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    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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    Yukon Gear – Redi Sleeve For GM 8.5", 9.5" & 8.2" Bop Yokes (Part No.30229)

    Redi Sleeve For GM 8.5", 9.5" & 8.2" Bop Yokes

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    $57.99
    8.5, 9.5, & 8.2 Buick, Oldsmobile, Pontiac GM REDI sleeve yoke saver.Yukon Mighty seal.

    Product Features:
    • Pinion Redi-sleeve
    • Fits GM 8.5″, 9.5″ and 8.2″ Buick, Oldsmobile and Pontiac
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    Richmond Gear – Differential Mini Spool (Part No.78-1028-1)

    Differential Mini Spool

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    $124.99
    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 – Dura Grip Positraction For GM 7.625" With 28 Spline Axles, 3.23 & Up (Part No.26018)

    Dura Grip Positraction For GM 7.625" With 28 Spline Axles, 3.23 & Up

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    $829.99
    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 7.625″ with 28 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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    Yukon Gear – Replacement Bare Case For GM 8.5" & 8.6" Dura Grip (Part No.20107)

    Replacement Bare Case For GM 8.5" & 8.6" Dura Grip

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    $386.99
    Replacement bare case for GM 8.5″ & 8.6″ Yukon Dura Grip. Fits both 28 & 30 spline applications. This carrier case is for a Yukon Dura Grip ONLY. It is NOT a replacement carrier for a stock positraction.

    Product Features:
    • Dura Grip positraction carrier case
    • Does not include spider gears
    • Fits GM 8.5″ and 8.6″
    • Fits 2.76 and up ratios only
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    USA Standard Gear – Ring & Pinion "Thick" Gear Set For GM 7.5" In A 3.42 Ratio (Part No.36196)

    Ring & Pinion "Thick" Gear Set For GM 7.5" In A 3.42 Ratio

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    $319.99
    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 7.5″ and 7.6″
    • 7.50″ ring gear diameter
    • 27 spline pinion
    • 10 ring gear bolts
    • 3.42 ratio
    • Thick gear for 3.23 and down carrier
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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 – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)

    Redline Synthetic "Shock Proof" Oil - 4 Quarts

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    $137.99
    Redline Synthetic “Shock Proof” Oil. 4 Quarts.

    Product Features:
    • Includes four quarts of Redline Shockproof oil
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    Pro-King – Differential Cover Gasket (Part No.742G303A)

    Differential Cover Gasket

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    $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.
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    Yukon Gear – Minor Install Kit For GM Early And Late 7.5" Differential (Part No.12050)

    Minor Install Kit For GM Early And Late 7.5" Differential

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    $115.99
    Yukon Minimum installation kits are a low cost solution for gear changes in newer vehicles where the bearings can be reused. This kit uses all high quality components to ensure a smooth set up. kit includes a pinion seal, crush sleeve (if applicable), complete shim kit, marking compound and brush.

    Product Features:
    • Fits GM 7.5″ and 7.625″
    • Included are a pinion seal, crush sleeve, complete shim kit, marking compound and brush.
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    Felpro – Differential Cover Gasket (Part No.RDS 55029)

    Differential Cover Gasket

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    $7.49
    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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    USA Standard Gear – Standard Spider Gear Set For GM 8.5", 30 Spline (Part No.39027)

    Standard Spider Gear Set For GM 8.5", 30 Spline

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    $214.99
    Product Features:
    • Spider gear kit
    • Fits GM 8.5″ 30 spline open differential
    • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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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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    Pro-King – Differential Ring Gear Bolt (Part No.742G935)

    Differential Ring Gear Bolt

    from

    $1.99
    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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    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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    $37.99
    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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    Motive Gear – Differential Master Bearing Kit – Koyo (Part No.R10RMK)

    Differential Master Bearing Kit - Koyo

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    $156.99


    Product Features:
    • KIT BRG&SL GM 8.5″ 10 BLT MSTR NON IFS FRONT / REAR
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    Richmond Gear – RngPnnInstlKt (Part No.83-1019-1)

    RngPnnInstlKt

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    $199.99
    RngPnnInstlKt

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

    Differential Gear Install Kit

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    $49.99


    Product Features:
    • MINI INSTALL KIT GM 7.5
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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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    Yukon Gear – Bearing Race Driver (Part No.56017)

    Bearing Race Driver

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    $215.99
    Bearing race driver. No return.

    Product Features:
    • Bearing race driver
    • Fits HM89410 race
    • All steel construction
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    Yukon Gear – Bearing Race Driver Set, 21 Piece (Part No.56030)

    Bearing Race Driver Set, 21 Piece

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    $1566.99
    21 Piece bearing race driver set. (Box wt: 140lbs) No return.

    Product Features:
    • Bearing race driver set
    • 21 pieces
    • All steel construction
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    Yukon Gear – Crush Sleeve Eliminator Kit For GM 7.5" & 8.2" (Part No.55047)

    Crush Sleeve Eliminator Kit For GM 7.5" & 8.2"

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    $40.99
    Product Features:
    • Crush sleeve eliminator kit for GM 7.5″, 7.625″ and 8.2″
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    Motive Gear – Crush Sleeve (Part No.9785792)

    Crush Sleeve

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    $2.69
    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 on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.
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    National – Bearings (Part No.HM89410)

    Bearings

    from

    $11.49
    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

    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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    Driveworks – Tapered Roller Bearing (Part No.S-HM-88648)

    Tapered Roller Bearing

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    $14.29
    Product Features:
    • Brand may vary by location
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    1971 Buick Estate Wagon Differentials

    Maybe you’re in the middle of a full rebuild of that 1971 Buick Estate Wagon. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 74 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 1971 Buick Estate Wagon 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 1971 Buick Estate Wagon. Valvoline, Motive Gear, and National 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 1971 Buick Estate Wagon, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 47 reviews in this category, some of the top rated parts include Differential Cover Gasket with 4.4 stars and Differential Ring and Pinion with 4.5 stars.

    So if you’re in the market for aftermarket Differentials to keep your 1971 Buick Estate Wagon 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 1971 Buick Estate Wagon Last

    Simple repair, complete replacement, or a full rebuild. No matter the job, your 1971 Buick Estate Wagon 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 Estate Wagon 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 1971 Buick Estate Wagon, our most popular Driveworks Differentials include:
    Oil Seal
    from $6.29
    (1)
    Oil Seal
    Differential Pinion Seals

    FAQs for 1971 Buick Estate Wagon Differentials

    What are the most purchased Differentials for the 1971 Buick Estate Wagon?

    Out of 74 Differentials for the 1971 Buick Estate Wagon, the most popular in our inventory are:
    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
    Bearings
    from $23.99
    (7)
    Bearings
    Front Differential Pinion Bearings
    Ring Gear Bolt
    from $2.49
    This product is not rated
    Ring Gear Bolt
    Differential Ring Gear Bolts

    What are the top-rated 1971 Buick Estate Wagon Differentials?

    Top-rated Differentials for your 1971 Buick Estate Wagon based on customer reviews/ratings are:
    Differential Cover Gasket
    from $7.49
    (7)
    Differential Cover Gasket
    “good”
    Differential Ring and Pinion
    from $241.99
    (4)
    Differential Ring and Pinion
    “Perfect match and easy install”
    Differential Carrier Shim Kit
    from $8.49
    (3)
    Differential Carrier Shim Kit
    “worked great”