1976 Buick Estate Wagon Differentials

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Keep Your 1976 Buick Estate Wagon in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1976 Buick Estate Wagon looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Rear Housing Cover Gaskets, Differential Carrier Bearing Set, and Differential Pinion Seals. 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 Driveworks, Motive Gear, and Felpro. For example, Driveworks Differentials start at just $8.99 with an average 4.2 star rating. Motive Gear and Felpro offer similar pricing and quality, backed by strong customer feedback. With over 133 reviews and a solid 4.3 star average, you can shop with confidence knowing other Buick Estate Wagon owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1976 Buick Estate Wagon Differential at Advance Auto Parts is around $184.70, with a range that starts at $2.99 and goes up to $551.99. With 69 options in stock from 12 trusted brands, finding the right fit is easy. Popular picks like Dorman – Help Differential Shaft Lock Bolt, 81048, Motive Gear Ring Gear Bolt, 14066913, and Yukon Gear 3 Qt – Penzoil 80W90 Conventional Gear Oil, 15002 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 1976 Buick Estate Wagon in peak condition, inside and out.

Essential 1976 Buick Estate Wagon Differentials

USA Standard Gear – USA Standard Gear Differential Rebuild Kit, 37057 (Part No.37057)

USA Standard Gear Differential Rebuild Kit, 37057

from

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

Motive Gear Ring And Pinion Installation Kit, GM12IKC

from

$64.99
Motive Gear Ring And Pinion Installation Kit, GM12IKC.
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Powertrax – Powertrax Differential Lock Assembly, 9207883005 (Part No.9207883005)

Powertrax Differential Lock Assembly, 9207883005

from

$551.99
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.
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Yukon Gear – "Yukon Gear Standard Open Spider Gear Kit for 8.5"" GM with 28 Spline Axles, 16054" (Part No.16054)

"Yukon Gear Standard Open Spider Gear Kit for 8.5"" GM with 28 Spline Axles, 16054"

from

$217.99
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.
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USA Standard Gear – USA Standard Gear Differential Bearing Kit, 58050 (Part No.58050)

USA Standard Gear Differential Bearing Kit, 58050

from

$211.99
This kit uses Koyo bearings and races along with all high quality small parts. kit includes carrier bearings and races, pinion bearings and races, pinion seal, crush sleeve (if applicable), oil baffles and slingers (if applicable), marking compound and brush. USA Standard Gear does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your ring & pinion set.
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Richmond Gear – Richmond Gear Differential Bearing Kit, 29-0013-1 (Part No.29-0013-1)

Richmond Gear Differential Bearing Kit, 29-0013-1

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

Driveworks Oil Seal, S-51098

from

$6.49
Value-priced seal meets all cataloged application requirements.
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Motive Gear – Motive Gear Differential Mini Spool, MS12C (Part No.MS12C)

Motive Gear Differential Mini Spool, MS12C

from

$108.99
Motive Gear Differential Mini Spool, MS12C.
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Dorman – Help – Dorman – Help Differential Shaft Lock Bolt, 81048 (Part No.81048)

Dorman - Help Differential Shaft Lock Bolt, 81048

from

$6.79
This differential pinion shaft lock bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.
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Victor Reinz – Victor Reinz Axle Housing Cover Gasket, 71-14827-00 (Part No.71-14827-00)

Victor Reinz Axle Housing Cover Gasket, 71-14827-00

from

$8.29
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.
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Yukon Gear – "Yukon Gear Dura Grip Positraction For GM 8.5"" With 28 Spline Axles, 26015" (Part No.26015)

"Yukon Gear Dura Grip Positraction For GM 8.5"" With 28 Spline Axles, 26015"

from

$859.99
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.
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Felpro – Felpro Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 55028-1 (Part No.RDS 55028-1)

Felpro Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 55028-1

from

$11.99
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.
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Motive Gear – Motive Gear Differential Pinion Shim Kit, 1100 (Part No.1100)

Motive Gear Differential Pinion Shim Kit, 1100

from

$6.99
High-quality Differential Component Shim
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Motive Gear – Motive Gear Ring Gear Bolt, 14066913 (Part No.14066913)

Motive Gear Ring Gear Bolt, 14066913

from

$2.99
Motive Gear Ring Gear Bolt, 14066913.
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Richmond Gear – Richmond Gear Differential Pinion Shaft, CSPGM75 (Part No.CSPGM75)

Richmond Gear Differential Pinion Shaft, CSPGM75

from

$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.
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Driveworks – Driveworks Tapered Roller Bearing, S-M-802048 (Part No.S-M-802048)

Driveworks Tapered Roller Bearing, S-M-802048

from

$17.99
Driveworks Tapered Roller Bearing, S-M-802048.
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Powertrax – Powertrax Differential Lock Assembly, 1930-LR (Part No.1930-LR)

Powertrax Differential Lock Assembly, 1930-LR

from

$445.99
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.
See More

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

Driveworks Taper Bearing Set, S-A-5

from

$11.99
Value-priced bearing meets all cataloged application requirements.
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Dorman – Dorman Differential Ring and Pinion Set, 697-303 (Part No.697-303)

Dorman Differential Ring and Pinion Set, 697-303

from

$354.99
This differential ring and pinion directly replaces the original equipment on specific vehicle years, makes and models.
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USA Standard Gear – "USA Standard Gear Ring & Pinion Gear Set For GM 7.5"" In A 4.11 Ratio, 36199" (Part No.36199)

"USA Standard Gear Ring & Pinion Gear Set For GM 7.5"" In A 4.11 Ratio, 36199"

from

$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.
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Richmond Gear – Richmond Gear Differential Spool, 81-1028-1 (Part No.81-1028-1)

Richmond Gear Differential Spool, 81-1028-1

from

$259.99
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!
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Richmond Gear – Richmond Gear Differential Spool, 81-1235-1 (Part No.81-1235-1)

Richmond Gear Differential Spool, 81-1235-1

from

$346.99
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!
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Yukon Gear – Yukon Gear Crush sleeve, 33110 (Part No.33110)

Yukon Gear Crush sleeve, 33110

from

$5.99
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.
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Pro-King – Pro-King Differential Crush Sleeve, 742G034 (Part No.742G034)

Pro-King Differential Crush Sleeve, 742G034

from

$2.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
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Yukon Gear – Yukon Gear 3 Qt – Penzoil 80W90 Conventional Gear Oil, 15002 (Part No.15002)

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

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

from

$137.99
Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.
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Yukon Gear – "Yukon Gear 8.5"" GM Extra HD Standard Open Case (Uses Larger Bearings), 20084" (Part No.20084)

"Yukon Gear 8.5"" GM Extra HD Standard Open Case (Uses Larger Bearings), 20084"

from

$232.99
“8.5”” GM EXTRA HD standard Open case (uses larger bearings).”
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Yukon Gear – "Yukon Gear Replacement Bare Case For GM 8.5"" & 8.6"" Dura Grip, 20107" (Part No.20107)

"Yukon Gear Replacement Bare Case For GM 8.5"" & 8.6"" Dura Grip, 20107"

from

$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.”
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Most Popular Rear Housing Cover Gasket for 1976 Buick Estate Wagons

Enhance your 1976 Buick Estate Wagon with this popular Rear Housing Cover Gasket we have in stock, for $8.29.

Victor Reinz – Victor Reinz Axle Housing Cover Gasket, 71-14827-00 (Part No.71-14827-00)

Victor Reinz Axle Housing Cover Gasket, 71-14827-00

from

$8.29
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.
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Best-Selling 1976 Buick Estate Wagon Differential Carrier Bearing Set

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

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

Driveworks Taper Bearing Set, S-A-5

from

$11.99
Value-priced bearing meets all cataloged application requirements.
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Top-Quality Differential Pinion Seals for 1976 Buick Estate Wagons

Choose a high-quality OEM or aftermarket Differential Pinion Seal for Buick Estate Wagons and enjoy top-notch performance from $8.99.

Driveworks – Driveworks Oil Seal, S-2043 (Part No.S-2043)

Driveworks Oil Seal, S-2043

from

$10.79
Value-priced seal meets all cataloged application requirements.
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Driveworks – Driveworks Oil Seal, S-8460N (Part No.S-8460N)

Driveworks Oil Seal, S-8460N

from

$8.99
Value-priced seal meets all cataloged application requirements.
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Schaeffler – Schaeffler Shaft Seal, SS2983 (Part No.SS2983)

Schaeffler Shaft Seal, SS2983

from

$9.99
Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.
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Top Picks for 1976 Buick Estate Wagon Differential Oil

Invest in one of our 3 durable Differential Oil for your 1976 Buick, knowing you’re getting trusted brands and expert craftsmanship.

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

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

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

from

$137.99
Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.
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Valvoline – Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 904891 (Part No.904891)

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.
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Top-Rated Rear Differential Cover Gaskets for 1976 Buick Estate Wagons

Make a smart move for your 1976 Buick Estate Wagon with products all priced from $8.49 to $22.19.

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

Mr. Gasket Differential Cover Gasket, 84B

from

$22.19
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.
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Felpro – Felpro Axle Housing Cover Gasket Oval Shaped 12 Bolt Hole Gasket, RDS 55029 (Part No.RDS 55029)

Felpro Axle Housing Cover Gasket Oval Shaped 12 Bolt Hole Gasket, RDS 55029

from

$8.49
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.
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Top-Rated Differential Brands For Your 1976 Buick Estate Wagon

When it comes to finding the perfect Differential for your 1976 Buick Estate Wagon, 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 Felpro, Driveworks, and Motive Gear, and more, all known for their exceptional customer ratings (average brand rating of 4.6 stars) and competitive prices, as low as $6.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1976 Buick Estate Wagon, providing peace of mind with parts that meet or exceed OEM standards.

Popular Felpro 1976 Buick Estate Wagon Differentials

If you’re looking for a top-quality Differential for your 1976 Buick Estate Wagon, Advance Auto Parts has exactly what you need with our selection of Felpro Differentials. We have 1 Felpro Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $8.49, you’ll find the perfect Differential for your needs and budget. Felpro Differentials for the 1976 Buick Estate Wagon come highly rated, with over 7 customer reviews and an impressive average rating of 4.6 stars. Choosing a Felpro Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

Top-Quality Driveworks 1976 Buick Estate Wagon Differentials

For those in search of a high-quality Differential for their 1976 Buick Estate Wagon, Advance Auto Parts offers a great selection of Driveworks Differentials. With 3 Driveworks 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 $8.99, with an average price of $10.59, giving you a range of options to suit your budget. Backed by over 72 customer ratings and an average rating of 4.2 stars, Driveworks Differentials provide both reliability and excellent performance. Choosing a Driveworks Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Driveworks Taper Bearing Set, S-A-5
from $11.99
(70)
Driveworks Taper Bearing Set, S-A-5
“Great”
Driveworks Oil Seal, S-2043
from $10.79
(1)
Driveworks Oil Seal, S-2043
“Didn’t fit my 1992 K1500 10 bolt 8.5″ ring gear rear end. Was told wrong part.”
Driveworks Oil Seal, S-8460N
from $8.99
(1)
Driveworks Oil Seal, S-8460N
“Great fitment”

FAQs for 1976 Buick Estate Wagon Differentials

What are the best-selling Differentials for 1976 Buick Estate Wagons?

Out of 69 Differentials that fit 1976 Buick Estate Wagons, the following parts are the top sellers:

What’s the price range for 1976 Buick Estate Wagon Differentials?

The prices of Differentials for the 1976 Buick Estate Wagon range from $2.99 up to $551.99 for the most premium parts.

What is the average price of a Differential for a 1976 Buick Estate Wagon?

The average price for Differentials for the 1976 Buick Estate Wagon is $184.70. 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 Estate Wagon model years?

Yes, we carry Differentials for 15 model years of Buick Estate Wagons between 1959 and 1981. The following model years are the most popular for Differential purchases: 1981, 1979, 1978, 1977, 1975, 1974, 1973, 1972, and 1971.

What are the cheapest Differentials for my 1976 Buick Estate Wagon?

The cheapest 1976 Buick Estate Wagon Differentials we carry are:

Does Advance Auto Parts sell Differentials for any other 1976 Buick models?

Yes. We stock Differentials for 7 other popular 1976 Buick models. Some of the most popular are 1976 Regal Differentials, 1976 Century Differentials, 1976 LeSabre Differentials, 1976 Skylark Differentials, and 1976 Riviera Differentials.

What types of Differentials do you sell for my 1976 Buick Estate Wagon?

As of 8/2/26, these are some of the most in-demand types of Differentials for a 1976 Buick Estate Wagon:

Can I get help with 1976 Buick Estate Wagon 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 Estate Wagon Differentials?

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