1985 Buick Regal Differentials

Find your specific 1985 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 1985 Buick Regal Differentials

from

$23.79

CONE

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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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$19.99

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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$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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$349.99

Product Features:

Standard open carrier case
Fits GM 7.625″
3.23 and up ratio only
Does not include spider gears

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$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

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$5.99

Replacement Crush Sleeve for GM 7.6″ IRS, 8.5″, 8.6″, 8.75″, 8.875″ & Nissan Titan rear. Approx 0.620″ long.

Product Features:

Crush sleeve for Jeep JK rear, GM 7.6″ IRS, 8.5″ and 8.6″ and Nissan Titan rear
0.620″ tall

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$208.99

USA Standard Master Overhaul kits let you finish your install with confidence. This kit uses Koyo bearings and races. Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable), threading locking compound, marking compound with brush and gasket.

Product Features:

Fits GM 8.5″ rear with aftermarket positraction
Uses Koyo bearings and races
Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve, thread locker, marking compound with brush and gasket.

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$165.99

10 bolt Mini Spool for 8.5″ GM with 28 spline axles. Mini spools are a low-cost traction option for vehicles looking for full-time lockup. The mini spool installs into a standard open carrier and give 100% power to both tires at all times. These units are not recommended for street-driven vehicles. We recommend full spools for vehicles with large tires or high horsepower. These units come with a one year warranty against manufacturing defects.

Product Features:

Fits GM 8.5″ with 28 spline axles
Installs into a standard open carrier case
Provides 100% traction to both wheels at all times
Not recommended for street driven vehicles

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$25.99

Yukon 4340 Chrome-Moly replacement outer stub for D44 ’87-’94 Wrangler with a length of 8.31″ and 27 splines. Yukon 4340 Chrome-Moly axles provide up to 50% increased strength over stock axles for use in extreme performance applications with large tires and high horsepower. Yukon’s 4340 axles are manufactured using the latest technologies and the highest quality materials to ensure high strength and long life. Limited Lifetime warranty covers manufacturing defects and axle breakage for as long as you own the vehicle. This warranty is not transferable to another party. “No Questions Asked” replacement for first warranty return, however Yukon reserves the right to either replace axle or refund original purchase price after the first warranty claim. Yukon (through Randy’s ring & pinion) makes final determination on warranty considerations.

Product Features:

27 spline
8.31″ long
Fits Dana Spicer 30 in 1987-1994 Wrangler
Outer stub
5-760X U-joint size
4340 Chromoly
For WARN hub conversion only

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$5.99

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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$189.99

Spectre’s Polished Aluminum Differential Covers feature a finned design and 10 bolt assembly for optimum fit and function. Includes 10 SAE standard bolts for installation. You’ll need to supply your own bolts if your vehicle uses metric bolts. Manufactured using high quality materials this product was designed to perform as well as they look.

Product Features:

Polished aluminum
10 bolt cover with finned design
Gasket included
10 gold Iridite 3/8 inch -18 x 3/4 inch differential cover bolts included

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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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$182.99

RngPnnInstlKt

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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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$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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$84.99

Notched cross pin shaft for 7.5″ GM. This cross pin shaft is not compatible with Powertrax Lock Rights or Spartan Lockers.

Product Features:

Cross pin shaft
Fits GM 7.5″
Notched
Not compatible with Spartan Lockers or Lock Rights

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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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$15.99

Standard open side gear thrust washer for 8.5″ GM.

Product Features:

Side gear thrust washer
Fits GM 8.5″

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$929.99

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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$65.99

Product Features:

MINI INSTALL KIT GM 8.5 REAR

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$18.09

Mr. Gasket Axle Housing/Differential Cover or Rear End Gaskets are manufactured from a .047 inch thick cellulose/nitrile composite gasket material for excellent sealing and durability. They are precision die-cut for an excellent fit. Fits 1964-1970 Chevrolet 8.2 inch 10 bolt & 1970-1981 GM 8.5 inch ring gear

Product Features:

.047″ thick cellulose/nitrile composite gasket material
Precision die cut
Reusable

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$3.99

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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$124.99

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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$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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$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

Popular 1985 Buick Regal Differentials Categories

Differential Oil

Rear Differential Cover Gaskets

Differential Covers

Differential Pinion Shaft Lock Bolts

Differential Bearings

Differential Pinion Pilot Bearings

Differential Cover Bolts

Differential Carriers

Differential Bearing Kits

Front Differential Pinion Bearings

Differential Spider Gear Kits

Differential Rebuild Kits

Differential Carrier Shim Kits

Differential Pinion Seals

Differential Clutch Packs

Differential Mini Spools

Differential Ring and Pinions

Differential End Yokes

Rear Differential Pinion Bearings

Differential Spools

Differential Carrier Bearings

Differential Pinion Bearing Kits

Complete Differentials

Differential Drain Plugs

Differential Ring Gear Bolts

Bearing Race Drivers

Differential Pinion Shafts

Differential Crush Sleeves

Differential Side Bearing Spacers

Differential Pinion Shims

Differential Pinion Shaft Nuts

Differential Gear Install Kits

Differential Cross Pins

Differential Side Gear Thrust Washers

Differential Pinion Gear Thrust Washers

Differential Pinion Gear Washers

Differential Ring and Pinion Kits

Limited Slip Differential Assemblies

Differential Clutch Pack Clips

Maybe you’re in the middle of a full rebuild of that 1985 Buick Regal. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 212 different Differentials in our inventory ranging from $2.49 to $1,704.99. That means you can find the exact parts or products you need to keep that 1985 Buick Regal running smoothly.

Differentials are only as good as their brand. We stock 15 different brands to make sure you have plenty of trusted parts to choose from for your 1985 Buick Regal. Valvoline, FELPRO, and Dorman 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 1985 Buick Regal, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 2,100 reviews in this category, some of the top rated parts include Rear Differential Cover with 4.5 stars and Rear Differential Cover with 4.1 stars.

So if you’re in the market for aftermarket Differentials to keep your 1985 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 1985 Buick Regal Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1985 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 1985 Buick Regal, our most popular Driveworks Differentials include:

from $7.79

(1)

Oil Seal

Differential Pinion Seals

Top 1985 Buick Regal Differentials from Felpro

Felpro products are another trusted brand when it comes to Differentials for your 1985 Buick Regal. Popular Felpro parts include:

from $9.99

(195)

Differential Cover Gasket

Rear Differential Cover Gaskets

from $7.99

(45)

DIFFERENTIAL GASKET

Rear Differential Cover Gaskets

FAQs for 1985 Buick Regal Differentials

What are the most purchased Differentials for the 1985 Buick Regal?

Out of 212 Differentials for the 1985 Buick Regal, the most popular in our inventory are:

from $14.49

(2)

DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart

Differential Oil

from $35.99

(17)

DEX/MERC Automatic Transmission Fluid, 1 Gallon

Differential Oil

from $57.99

This product is not rated

3 Qt – 80W90 Conventional Gear Oil With Posi Additive

Differential Oil

What are the top-rated 1985 Buick Regal Differentials?

Top-rated Differentials for your 1985 Buick Regal based on customer reviews/ratings are:

from $20.99

(38)

Rear Differential Cover

“Looks great, face lift for the rear differential. Old one was rusted & in bad shape. Just remember to get the correct size.”

from $32.99

(14)

Rear Differential Cover

“Heavy steel with the original magnet. Fits like original.. Not a cheap stamping by any means”

from $5.99

(11)

Differential Shaft Lock Bolt

“great”

1985 Buick Regal Differentials

More 1985 Buick Regal Differentials

Essential 1985 Buick Regal Differentials

FAG US – CONE (Part No.KLM603049)

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

Pro-King – Shim Kit (Part No.741A200)

National – Bearings (Part No.HM89210)

Yukon Gear – Standard Open Carrier Case, GM 7.625", 3.23 & Up (Part No.20089)

National – Bearings (Part No.HM89410)

Yukon Gear – Crush Sleeve For GM 7.6" IRS, 8.5", 8.6", 8.75", 8.875" & Nissan Titan Rear – Approx 0.620" Long (Part No.33097)

USA Standard Gear – Master Overhaul Kit for the GM 8.5 Differential with HD Posi or Locker (Part No.37057)

Yukon Gear – Mini Spool For GM 8.5" With 28 Spline Axles (Part No.32232)

Yukon Gear – Adapter Sleeve Fro GM 7.2", 7.625" & 8.0" Yokes To Use Triple Lip Pinion Seal (Part No.41210)

Pro-King – Differential Pinion Shim Kit (Part No.742G202)

Spectre – Differential Cover (Part No.60879)

Yukon Gear – Pinion Nut Washer (Part No.33167)

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

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

Richmond Gear – Differential Cross Shaft (Part No.CSPGM75)

Yukon Gear – Notched Cross Pin Shaft For 7.5" GM (Part No.33435)

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)

Yukon Gear – Standard Open Side Gear Thrust Washer For 8.5" GM (Part No.33304)

Yukon Gear – Dura Grip Positraction For GM 8.5" & 8.6" With 30 Spline Axles (Part No.26016)

Motive Gear – Differential Gear Install Kit (Part No.GM8.5IK)

Mr. Gasket – Differential Gasket (Part No.84B)

Motive Gear – Pinion Seal (Part No.8610)

Richmond Gear – Differential Mini Spool (Part No.78-1028-1)

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)

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

Popular 1985 Buick Regal Differentials Categories