1975 Buick Regal Differentials

Essential 1975 Buick Regal Differentials

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 – Redline Synthetic "Shock Proof" Oil With Positraction Additive – 4 Quarts (Part No.15005)

Redline Synthetic "Shock Proof" Oil With Positraction Additive - 4 Quarts

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$148.99
Redline Synthetic “Shock Proof” Oil with positraction Additive. 4 Quarts.

Product Features:
  • Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive
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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 Gear Install Kit (Part No.GM8.5IK)

Differential Gear Install Kit

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$65.99


Product Features:
  • MINI INSTALL KIT GM 8.5 REAR
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Yukon Gear – 7.2" GM 7.5" GM & 8.2" GM Pinion Seal (Part No.30192)

7.2" GM 7.5" GM & 8.2" GM Pinion Seal

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$9.99
7.2″ GM 7.5″ GM & 8.2″ GM pinion seal.Yukon Mighty seal.

Product Features:
  • Pinion seal
  • Fits GM 7.2″ IFS, 1999 and down GM 7.5″ and 7.625″ and GM 8.2″
  • 2.660″ O.D.
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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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Yukon Gear – 8.5" GM Extra HD Standard Open Case (Uses Larger Bearings) (Part No.20084)

8.5" GM Extra HD Standard Open Case (Uses Larger Bearings)

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$232.99
8.5″ GM EXTRA HD standard Open case (uses larger bearings).

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
  • Has larger carrier carrier bearing journals for high strength
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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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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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Yukon Gear – Cross Pin Bolt (Part No.33067)

Cross Pin Bolt

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$6.99
Cross pin bolt for Chrysler 8.25″, 9.25″ rear, Ford 7.5″, 8.8″, GM 12 bolt car & truck, 7.2″ IFs, 7.5″, 7.6″, 8.0″, 8.25″ IFS & 8.5″.

Product Features:
  • Cross pin bolt for Chrysler 8.25″ and 9.25″ rear, Ford 7.5″ and 8.8″, GM 12 botl car and truck, 8.5″, 8.25″ IFS, 8.0″, 7.625″, 7.5″ and 7.2″ IFS
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Yukon Gear – Ring Gear Bolt (Part No.33049)

Ring Gear Bolt

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

No-Slip Traction System

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$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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    USA Standard Gear – Standard Spider Gear Set For GM 7.5", 26 Spline (Part No.39023)

    Standard Spider Gear Set For GM 7.5", 26 Spline

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    $156.99
    Product Features:
    • Spider gear kit
    • Fits GM 7.5″ 26 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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    Yukon Gear – Bearing Race Driver (Part No.56023)

    Bearing Race Driver

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    $219.99
    Bearing race driver. No return.

    Product Features:
    • Bearing race driver
    • Fits M88010 race
    • All steel construction
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    Driveworks – Tapered Roller Bearing (Part No.S-LM-603012)

    Tapered Roller Bearing

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    $6.79
    Product Features:
    • Brand may vary by location
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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 8.5" & 8.6" With 30 Spline Axles (Part No.26016)

    Dura Grip Positraction For GM 8.5" & 8.6" With 30 Spline Axles

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    $929.99
    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. This unit has larger bearing journals for added strength & uses heavy-duty carrier bearings & races.

    Product Features:
    • Fits GM 8.5″ and 8.6″ with 30 spline axles
    • 2.73 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 Cross Shaft (Part No.742G673)

    Differential Cross Shaft

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    $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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    Motive Gear – Differential Carrier Gear Kit (Part No.GM7.5BI)

    Differential Carrier Gear Kit

    from

    $115.99


    Product Features:
    • INTERNAL KT GM 7.5 26 SPL
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    Yukon Gear – Differential Cover B (Part No.33572)

    Differential Cover B

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    $7.99
    Differential Cover B

    Yukon Gear – Cast Yoke For GM 8.5" With A 1350 U/Joint Size (Part No.41092)

    Cast Yoke For GM 8.5" With A 1350 U/Joint Size

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    $234.99
    Yukon cast yoke for GM 8.5″ with a 1350 U/joint size. 3.625″ snap ring span, 1.188″ cap diameter. Outside snap ring. This yoke uses straps. All Yukon yokes come with a one year warranty against manufacturing defects.

    Product Features:
    • Fits GM 8.5″
    • 30 spline
    • 1350 u-joint size
    • Outside snap ring design
    • 3.625″ snap ring span
    • 1.188″ cap diameter
    • Strap style
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    Yukon Gear – 8.5" & 8.6" GM Standard Open Pinion Gear Thrust Washer – Also Fits 8.5" Eaton With 0.795" Cross Pin (Part No.33385)

    8.5" & 8.6" GM Standard Open Pinion Gear Thrust Washer - Also Fits 8.5" Eaton With 0.795" Cross Pin

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    $10.99
    8.5″ & 8.6″ GM standard Open pinion gear Thrust washer. also fits 8.5″ Eaton with 0.795″ cross pin.

    Product Features:
    • Pinion gear thrust washer for GM 8.5″ and 8.6″
    • Fits standard open differentials only
    • 0.795″ I.D.
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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

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    $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 – Set Up Bearing (Part No.56043)

    Set Up Bearing

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    $119.99
    HM89249 set-up bearing (one bearing). No return.

    Product Features:
    • Set up bearing
    • Fits HM89249 pinion bearing
    • Easily slips on and off pinion journal to allow for pinion depth adjustment
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    Motive Gear – Differential Ring and Pinion (Part No.G885430)

    Differential Ring and Pinion

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    $265.99
    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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    Motive Gear – Differential Carrier Gear Kit (Part No.GM10BI)

    Differential Carrier Gear Kit

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    $111.99


    Product Features:
    • GM10 BOLT 8.5″ 28 SPL INTERNAL KIT (OPEN)
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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

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

    7.5 GM Cover Gasket

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    $11.99
    7.5 GM cover gasket.

    Product Features:
    • Cover gasket
    • Fits GM 7.5″ and 7.625″
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    1975 Buick Regal Differentials

    Maybe you’re in the middle of a full rebuild of that 1975 Buick Regal. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 169 different Differentials in our inventory ranging from $1.99 to $1,566.99. That means you can find the exact parts or products you need to keep that 1975 Buick Regal running smoothly.

    Differentials are only as good as their brand. We stock 13 different brands to make sure you have plenty of trusted parts to choose from for your 1975 Buick Regal. Valvoline, FELPRO, and Yukon Gear 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 1975 Buick Regal, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 753 reviews in this category, some of the top rated parts include Bearings with 3.9 stars and Differential Master Bearing Kit – Koyo with 3.8 stars.

    So if you’re in the market for aftermarket Differentials to keep your 1975 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 1975 Buick Regal Last

    Simple repair, complete replacement, or a full rebuild. No matter the job, your 1975 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 Driveworks Differentials

    We carry Driveworks parts in our stock across Differential Pinion Seals categories, plus more. For a 1975 Buick Regal, our most popular Driveworks Differentials include:
    Oil Seal
    from $7.79
    (1)
    Oil Seal
    Differential Pinion Seals

    Top 1975 Buick Regal Differentials from Felpro

    Felpro products are another trusted brand when it comes to Differentials for your 1975 Buick Regal. Popular Felpro parts include:
    Differential Cover Gasket
    from $9.99
    (195)
    Differential Cover Gasket
    Rear Differential Cover Gaskets
    Differential Cover Gasket
    from $7.49
    (7)
    Differential Cover Gasket
    Rear Housing Cover Gaskets

    FAQs for 1975 Buick Regal Differentials

    What are the most purchased Differentials for the 1975 Buick Regal?

    Out of 169 Differentials for the 1975 Buick Regal, the most popular in our inventory are:
    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 1975 Buick Regal Differentials?

    Top-rated Differentials for your 1975 Buick Regal based on customer reviews/ratings are:
    Bearings
    from $23.99
    (7)
    Bearings
    “Good price”
    Differential Master Bearing Kit - Koyo
    from $156.99
    (5)
    Differential Master Bearing Kit – Koyo
    “was delivered as promised and on time”
    Differential Ring and Pinion
    from $241.99
    (4)
    Differential Ring and Pinion
    “Perfect match and easy install”