1966 Buick Electra Differentials

Name: Yukon Gear 3 Qt - Penzoil 80W90 Conventional Gear Oil, 15002
Brand: Yukon Gear
SKU: 15002
Price: 44.99 USD

Please Select your Vehicle to See Exact Fit Parts

Keep Your 1966 Buick Electra in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1966 Buick Electra looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Rear Differential Cover Gaskets, Differential Carrier Bearing Set, and Differential Covers. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Differentials from Trusted Brands

Looking for a reliable Differential? We’ve got you covered with options from brands you know and trust like Motive Gear and Driveworks. For example, Motive Gear Differentials start at just $3.99 with an average 4.1 star rating. Driveworks offer similar pricing and quality, backed by strong customer feedback. With over 154 reviews and a solid 3.8 star average, you can shop with confidence knowing other Buick Electra owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1966 Buick Electra Differential at Advance Auto Parts is around $190.52, with a range that starts at $2.79 and goes up to $929.99. With 81 options in stock from 12 trusted brands, finding the right fit is easy. Popular picks like Motive Gear Ring Gear Bolt, 14066913, Yukon Gear 3 Qt – Penzoil 80W90 Conventional Gear Oil, 15002, and Motive Gear Differential Carrier Shim Kit, 1101 start at just $2.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Differential, don’t forget to check out other key components like Drive Shafts and Axles and Universal Joints. At Advance Auto Parts, we’re here to help you keep your 1966 Buick Electra in peak condition, inside and out.

Looking for the perfect Differential for your 1966 Buick Electra? You’re in the right place. Below, you’ll find links to various types of Differentials that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Differentials, ensuring durability and a precise fit for your Buick Electra. Whether you’re driving a 1966 model or another popular model year like 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, and 1990, we’ve got you covered. Purchasing Differentials from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Differentials that fit your vehicle.

Essential 1966 Buick Electra Differentials

Yukon Gear 3 Qt - Penzoil 80W90 Conventional Gear Oil, 15002

from

$44.99

Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials.

"Yukon Gear Standard Open Carrier Case, GM 7.625"", 3.23 & Up, 20102"

from

$481.99

“7.625”” GM standard Open case, 3.23 & up, Large & SM windows, loaded. 28 Spline.”

"Yukon Gear Crush Sleeve Eliminator Kit for GM 8.5"" & Chrysler 9.25"", 55048"

from

$57.99

Yukon shim kits are precision machined and tailored for each individual application to ensure you have the right shims for every set up.

Richmond Gear Differential Mini Spool, 78-1028-1

from

$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!

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.”

"Yukon Gear Master Overhaul Kit for GM 8.5"" Differential with Aftermarket Positraction, 14088"

from

$309.99

Yukon Master Overhaul Kits give you all the high-quality parts you need to start and finish every differential job. Yukon offers more tailor-made kits than any other manufacturer in the industry to meet your specific installation needs. This kit uses Timken bearings and races along with high quality seals and small parts. Yukon Master Overhaul Kits are the most comprehensive and complete kits on the market because Yukon does extensive research to ensure that every kit has everything you need for your application.

from

$47.49

National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Motive Gear Ring And Pinion Installation Kit, GM12IKC

from

$64.99

Motive Gear Ring And Pinion Installation Kit, GM12IKC.

Richmond Gear Differential Spool, 81-1030-1

from

$259.99

Powertrax Differential Lock Assembly, 1940-LR

from

$441.99

For vehicles that are driven daily, the Power Trax 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 Power Trax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Power Trax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Power Trax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds.

"Yukon Gear Pinion Install Kit for '81 and Older GM 7.5"" Differential, 13063"

from

$201.99

Yukon Pinion Installation Kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings and races can be reused. This kit features Timken bearings and races along with high-quality seals and small parts. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your gear set.

from

$11.99

Value-priced bearing meets all cataloged application requirements.

"Yukon Gear Chrome Cover for 8.2"" Buick, Oldsmobile, and Pontiac GM, 32015"

from

$74.99

These Yukon replacement diff covers take your rig a step beyond the boring factory look. They are the stock OE design finished in chrome.

Motive Gear Differential Pinion Nut, 1260823

from

$10.99

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.

Powertrax Differential Lock Assembly, 9207883005

from

$551.99

from

$307.99

Pro-King is the leading supplier of transmission and driveline products in the aftermarket. All products are designed to meet or exceed OE quality, form, fit and function.

from

$141.99

Driveworks Wheel Bearing Kit, S-RA-321.

"Yukon Gear Forged Yoke for GM 8.5"" with A 1350 U/Joint Size., 41093"

from

$359.99

Yukon Gear and Axle manufactures a complete line of general replacement and performance series of pinion yokes for many street, racing, and heavy-duty off-road applications.

from

$119.99

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

from

$6.49

Value-priced seal meets all cataloged application requirements.

"Yukon Gear Bearing Install Kit for '81 and Newer GM 7.5"" Differential, 11062"

from

$239.99

Yukon Bearing Installation Kits are perfect for shops and builders who have shims on the shelf and are looking to save cost over a Master Overhaul Kit. This kit uses Timken bearings and races along with all high-quality small parts. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to properly install your ring and pinion gear set.

"Yukon Gear Carrier Installation Kit for GM 8.5"" Differential with HD Bearings, 57009"

from

$148.99

Yukon Carrier Installation Kits are a convenient and low-cost solution for carrier changes in cases where one is upgrading to a positraction limited slip differential, a mechanical locker, or an air operated locker. These kits contain carrier bearings and races and a carrier shim kit.

Yukon Gear Bearing Race Driver for Popular Ford, Gm, Chrysler, and Dana Differentials, 56017

from

$215.99

Yukon Gear & Axle offers a full line of top quality differential tools to save time and money.

from

$14.99

Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.

Pro-King Differential Pinion Shim Kit, 742G202

from

$6.99

Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Motive Gear Differential Master Bearing Kit - Timken, R10REMKT

from

$137.99

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

"Yukon Gear Dura Grip Spider Gear Set for GM 7.5"" & 7.625"" Diffs, 26 Spline, 16116"

from

$279.99

Yukon Gear & Axle spider gear kits utilize the highest quality materials and best production techniques in the industry to ensure a longer lasting spider gear set. Kit delivers everything needed for a complete and proper spider gear set replacement.

"Yukon Gear Standard Open Spider Gear Kit for 8.5"" GM with 30 Spline Axles, 16055"

from

$207.99

Yukon Gear & Axle spider gear kits feature higher quality materials and better manufacturing techniques than OEM to ensure a longer lasting spider gear set. Kit delivers everything needed for a complete and proper spider gear set replacement.

Popular 1966 Buick Electra Differentials Categories

Differential Oil

Rear Differential Cover Gaskets

Differential Covers

Differential Bearings

Differential Axle Shafts

Differential Pinion Pilot Bearings

Differential Carriers

Differential Bearing Kits

Front Differential Pinion Bearings

Differential Spider Gear Kits

Differential Rebuild Kits

Differential Carrier Shim Kits

Differential Pinion Seals

Differential Mini Spools

Differential Ring and Pinions

Differential End Yokes

Differential Lock Assemblies

Differential Carrier Bearings

Differential Pinion Bearing Kits

Complete Differentials

Differential Ring Gear Bolts

Bearing Race Drivers

Differential Crush Sleeves

Differential Pinion Shims

Differential Pinion Shaft Nuts

Differential Gear Install Kits

Differential Limited Slip Units

Differential Lock Washers

Differential Carrier Bearing Set

Most Popular Rear Differential Cover Gaskets for 1966 Buick Electras

Enhance your 1966 Buick Electra with one of the 2 Rear Differential Cover Gaskets we have in stock, starting at just $9.29.

show more show less

Mr. Gasket Differential Cover Gasket, 84

from

$26.69

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 1965-1970 Buick, Olds, Pontiac, 10 bolt 8.20 inch ring gear.

Felpro Axle Housing Cover Gasket Irregular Shaped 12 Bolt Hole Gasket, RDS 55009

from

$9.29

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.

Best-Selling 1966 Buick Electra Differential Carrier Bearing Set

Upgrade your Electra with our best-selling Differential Carrier Bearing Set with a 4.5 Starts rating across 70 reviews.

show more show less

from

$11.99

Value-priced bearing meets all cataloged application requirements.

Top-Quality Differential Covers for 1966 Buick Electras

Choose a high-quality OEM or aftermarket Differential Cover for Buick Electras and enjoy top-notch performance from $74.99.

show more show less

from

$74.99

These Yukon replacement diff covers take your rig a step beyond the boring factory look. They are the stock OE design finished in chrome.

Our Top Pick for a 1966 Buick Electra Differential Bearing

Invest in a durable Differential Bearing for your 1966 Buick, knowing you’re getting trusted brands and expert craftsmanship.

show more show less

Driveworks Tapered Roller Bearing, S-LM-603012

from

$7.99

Driveworks Tapered Roller Bearing, S-LM-603012.

Differential Oil for 1966 Buick Electras

Make a smart move for your 1966 Buick Electra with products all priced from $35.99 to $137.99.

show more show less

from

$44.99

Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials.

"Yukon Gear Redline Synthetic ""Shock Proof"" Oil - 4 Quarts, 15004"

from

$137.99

Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.

Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 904891

from

$35.99

Choosing an automatic transmission fluid just got easier. Valvoline Full Synthetic MaxLife Multi-Vehicle ATF, the #1 ATF product, is suitable for use in 95% of ATF vehicles in operation with US registered light duty applications. And now, it€™s also recommended for most belt and chain-driven continuously variable transmissions (CVT). Featuring advanced additives to prevent the major causes of transmission breakdown, it€™s designed to help prevent leaks, reduce wear and tear, and maximize performance €“ all for much longer than conventional fluids. It has improved thermal stability for longer fluid life, better viscosity stability for consistent transmission operation, and frictional enhancements for smooth gear engagements. Whether your vehicle has a CVT or traditional automatic, Valvoline MaxLife Multi-Vehicle ATF is suitable for a broad range of transmissions including Ford, GM, Toyota, Honda, Nissan, Hyundai, Subaru, BMW, Mercedes, Volvo, VW and Audi vehicles. It€™s specifically recommended for use in the following applications: GM DEXRON-II, DEXRON-III, DEXRON-VI, and DEX-CVT; Ford MERCON LV; Toyota/Lexus Type T, T-II, T-IV, WS, CVTF FE, and CVTF TC. For the many miles ahead, trust your transmission with Valvoline, the #1 automatic transmission fluid brand.

Top-Rated Differential Brands For Your 1966 Buick Electra

When it comes to finding the perfect Differential for your 1966 Buick Electra, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 12 trusted brands. We carry the most popular Differential brands including Driveworks and Motive Gear, and more, all known for their exceptional customer ratings (average brand rating of 4.2 stars) and competitive prices, as low as $3.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1966 Buick Electra, providing peace of mind with parts that meet or exceed OEM standards.

Popular Driveworks 1966 Buick Electra Differentials

If you’re looking for a top-quality Differential for your 1966 Buick Electra, Advance Auto Parts has exactly what you need with our selection of Driveworks Differentials. We have 2 Driveworks Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $8.99 and an average cost of $10.49, you’ll find the perfect Differential for your needs and budget. Driveworks Differentials for the 1966 Buick Electra come highly rated, with over 71 customer reviews and an impressive average rating of 4.2 stars. Choosing a Driveworks Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

from $11.99

(70)

Driveworks Taper Bearing Set, S-A-5

“Great”

from $8.99

(1)

Driveworks Oil Seal, S-8460N

“Great fitment”

Top-Quality Motive Gear 1966 Buick Electra Differentials

For those in search of a high-quality Differential for their 1966 Buick Electra, Advance Auto Parts offers a great selection of Motive Gear Differentials. With 2 Motive Gear Differentials in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Differentials start at just $3.99, with an average price of $5.49, giving you a range of options to suit your budget. Backed by over 2 customer ratings and an average rating of 4.1 stars, Motive Gear Differentials provide both reliability and excellent performance. Choosing a Motive Gear Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.

Motive Gear Differential Pinion Shim Kit, 1100

from $6.99

(1)

Motive Gear Differential Pinion Shim Kit, 1100

“good product”

Motive Gear Differential Pinion Seal, 2043

from $3.99

(1)

Motive Gear Differential Pinion Seal, 2043

“Correct seal for 64-69 GTO with factory installed axle”

FAQs for 1966 Buick Electra Differentials

What are the best-selling Differentials for 1966 Buick Electras?

Out of 81 Differentials that fit 1966 Buick Electras, the following parts are the top sellers:

Motive Gear Ring Gear Bolt, 14066913 (20520168) – $2.99
Yukon Gear 3 Qt – Penzoil 80W90 Conventional Gear Oil, 15002 (11644279) – $44.99
Motive Gear Differential Carrier Shim Kit, 1101 (19640063) – $8.99

What’s the price range for 1966 Buick Electra Differentials?

The prices of Differentials for the 1966 Buick Electra range from $2.79 up to $929.99 for the most premium parts.

What is the average price of a Differential for a 1966 Buick Electra?

The average price for Differentials for the 1966 Buick Electra is $190.52. Keep in mind the variety of part types within our Differential category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Differentials for other Buick Electra model years?

Yes, we carry Differentials for 30 model years of Buick Electras between 1959 and 1990. The following model years are the most popular for Differential purchases: 1990, 1989, 1988, 1987, 1986, 1985, 1984, 1983, and 1982.

What are the cheapest Differentials for my 1966 Buick Electra?

The cheapest 1966 Buick Electra Differentials we carry are:

Motive Gear Differential Crush Sleeve, 9785792 (10715252) – $2.79
Motive Gear Ring Gear Bolt, 14066913 (20520168) – $2.99
Motive Gear Differential Pinion Seal, 2043 (10751056) – $3.99
"Yukon Gear 3/8"" Ring Gear Bolt Washer For GM 12 Bolt Car & Truck, 8.2 Bop & More, 33347" (11642511) – $4.99
Motive Gear Differential Crush Sleeve, 3954480 (20520217) – $5.99

Does Advance Auto Parts sell Differentials for any other 1966 Buick models?

Yes. We stock Differentials for 6 other popular 1966 Buick models. Some of the most popular are 1966 LeSabre Differentials, 1966 Skylark Differentials, 1966 Riviera Differentials, 1966 Special Differentials, and 1966 Wildcat Differentials.

What types of Differentials do you sell for my 1966 Buick Electra?

As of 8/2/26, these are some of the most in-demand types of Differentials for a 1966 Buick Electra:

Can I get help with 1966 Buick Electra Differential orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Buick Differentials and more.

What is your return policy for Buick Electra Differentials?

Advance Auto Parts keeps returns simple. For new Buick Electra Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

1966 Buick Electra Differentials

Yukon Gear – Yukon Gear 3 Qt – Penzoil 80W90 Conventional Gear Oil, 15002 (Part No.15002)

Yukon Gear – "Yukon Gear Standard Open Carrier Case, GM 7.625"", 3.23 & Up, 20102" (Part No.20102)

Yukon Gear – "Yukon Gear Crush Sleeve Eliminator Kit for GM 8.5"" & Chrysler 9.25"", 55048" (Part No.55048)

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

Yukon Gear – Yukon Gear Ring Gear Bolt, 33049 (Part No.33049)

Yukon Gear – "Yukon Gear Master Overhaul Kit for GM 8.5"" Differential with Aftermarket Positraction, 14088" (Part No.14088)

National – National Shaft Repair Sleeve, 99170 (Part No.99170)

Motive Gear – Motive Gear Ring And Pinion Installation Kit, GM12IKC (Part No.GM12IKC)

Richmond Gear – Richmond Gear Differential Spool, 81-1030-1 (Part No.81-1030-1)

Powertrax – Powertrax Differential Lock Assembly, 1940-LR (Part No.1940-LR)

Yukon Gear – "Yukon Gear Pinion Install Kit for ’81 and Older GM 7.5"" Differential, 13063" (Part No.13063)

Driveworks – Driveworks Taper Bearing Set, S-A-5 (Part No.S-A-5)

Yukon Gear – "Yukon Gear Chrome Cover for 8.2"" Buick, Oldsmobile, and Pontiac GM, 32015" (Part No.32015)

Motive Gear – Motive Gear Differential Pinion Nut, 1260823 (Part No.1260823)

Powertrax – Powertrax Differential Lock Assembly, 9207883005 (Part No.9207883005)

Pro-King – Pro-King Rear Axle Shaft Kit, AXK-233 (Part No.AXK-233)

Driveworks – Driveworks Wheel Bearing Kit, S-RA-321 (Part No.S-RA-321)

Yukon Gear – "Yukon Gear Forged Yoke for GM 8.5"" with A 1350 U/Joint Size., 41093" (Part No.41093)

Yukon Gear – Yukon Gear Set Up Bearing, 56043 (Part No.56043)

Driveworks – Driveworks Oil Seal, S-51098 (Part No.S-51098)

Yukon Gear – "Yukon Gear Bearing Install Kit for ’81 and Newer GM 7.5"" Differential, 11062" (Part No.11062)

Yukon Gear – "Yukon Gear Carrier Installation Kit for GM 8.5"" Differential with HD Bearings, 57009" (Part No.57009)

Yukon Gear – Yukon Gear Bearing Race Driver for Popular Ford, Gm, Chrysler, and Dana Differentials, 56017 (Part No.56017)

Yukon Gear – Yukon Gear Pinion Nut washer, 33167 (Part No.33167)

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

Motive Gear – Motive Gear Differential Master Bearing Kit – Timken, R10REMKT (Part No.R10REMKT)

Yukon Gear – "Yukon Gear Dura Grip Spider Gear Set for GM 7.5"" & 7.625"" Diffs, 26 Spline, 16116" (Part No.16116)

Yukon Gear – "Yukon Gear Standard Open Spider Gear Kit for 8.5"" GM with 30 Spline Axles, 16055" (Part No.16055)

Mr. Gasket – Mr. Gasket Differential Cover Gasket, 84 (Part No.84)

Felpro – Felpro Axle Housing Cover Gasket Irregular Shaped 12 Bolt Hole Gasket, RDS 55009 (Part No.RDS 55009)

Driveworks – Driveworks Taper Bearing Set, S-A-5 (Part No.S-A-5)

Yukon Gear – "Yukon Gear Chrome Cover for 8.2"" Buick, Oldsmobile, and Pontiac GM, 32015" (Part No.32015)

Driveworks – Driveworks Tapered Roller Bearing, S-LM-603012 (Part No.S-LM-603012)

Yukon Gear – Yukon Gear 3 Qt – Penzoil 80W90 Conventional Gear Oil, 15002 (Part No.15002)

Yukon Gear – "Yukon Gear Redline Synthetic ""Shock Proof"" Oil – 4 Quarts, 15004" (Part No.15004)

Valvoline – Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 904891 (Part No.904891)