1975 Buick Estate Wagon Differentials

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Keep Your 1975 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 1975 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 Pinion Seals, and Differential Carrier Bearing Set. 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 122 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 1975 Buick Estate Wagon Differential at Advance Auto Parts is around $189.63, with a range that starts at $2.99 and goes up to $551.99. With 67 options in stock from 11 trusted brands, finding the right fit is easy. Popular picks like Yukon Gear 3 Qt – Penzoil 80W90 Conventional Gear Oil, 15002, Motive Gear Ring Gear Bolt, 14066913, and Felpro Axle Housing Cover Gasket Oval Shaped 12 Bolt Hole Gasket, RDS 55029 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 1975 Buick Estate Wagon in peak condition, inside and out.

Essential 1975 Buick Estate Wagon Differentials

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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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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Yukon Gear – "Yukon Gear Dura Grip Case, GM 7.5 & 7.625"", 3.23 & Up, 20106" (Part No.20106)

"Yukon Gear Dura Grip Case, GM 7.5 & 7.625"", 3.23 & Up, 20106"

from

$399.99
“GM 7.5″” & 7.6″” DURA GRIP case, bare, 3.23 & up, 26spline & 28spline.”
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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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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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Richmond Gear – Richmond Gear Differential Pinion Shaft, 80-0272-1 (Part No.80-0272-1)

Richmond Gear Differential Pinion Shaft, 80-0272-1

from

$66.99
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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National – National Tapered Roller Bearing Cone, M804049 (Part No.M804049)

National Tapered Roller Bearing Cone, M804049

from

$35.49
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
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Motive Gear – Motive Gear Differential Pinion Shim Kit, 1104 (Part No.1104)

Motive Gear Differential Pinion Shim Kit, 1104

from

$12.99
Motive Gear Differential Pinion Shim Kit, 1104.
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Motive Gear – Motive Gear Differential Super Bearing Kit – Koyo, R10RSK (Part No.R10RSK)

Motive Gear Differential Super Bearing Kit - Koyo, R10RSK

from

$152.99
Motive Gear Differential Super Bearing Kit – Koyo, R10RSK.
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Motive Gear – Motive Gear Differential Internal Carrier Gear Kit, GM7.6BI (Part No.GM7.6BI)

Motive Gear Differential Internal Carrier Gear Kit, GM7.6BI

from

$131.99
Motive Gear Differential Internal Carrier Gear Kit, GM7.6BI.
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Richmond Gear – Richmond Gear Differential Mini Spool, 78-1028-1 (Part No.78-1028-1)

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

Richmond Gear Differential Spool, 81-1030-1

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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Yukon Gear – "Yukon Gear Bearing Install Kit for GM 8.5"" Differential, 11067" (Part No.11067)

"Yukon Gear Bearing Install Kit for GM 8.5"" Differential, 11067"

from

$221.99
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.
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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.
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Yukon Gear – "Yukon Gear Standard Open Spider Gear Kit, Early GM 7.5"", 26 Spline and Large Windows, 16048" (Part No.16048)

"Yukon Gear Standard Open Spider Gear Kit, Early GM 7.5"", 26 Spline and Large Windows, 16048"

from

$149.99
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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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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Richmond Gear – Richmond Gear Differential Gear Install Kit, 83-1019-B (Part No.83-1019-B)

Richmond Gear Differential Gear Install Kit, 83-1019-B

from

$39.49
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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Dorman – Help – Dorman – Help Pinion Crush Sleeves, 81057 (Part No.81057)

Dorman - Help Pinion Crush Sleeves, 81057

from

$5.99
This differential crush sleeve is designed to match the fit and function of the original sleeve on specified vehicles, and is engineered for durability and reliable performance.
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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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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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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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Motive Gear – Motive Gear Differential Pinion Seal, 2043 (Part No.2043)

Motive Gear Differential Pinion Seal, 2043

from

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

"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.
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Yukon Gear – "Yukon Gear 8.5"" & 8.2"" GM carrier installation kit, 57008" (Part No.57008)

"Yukon Gear 8.5"" & 8.2"" GM carrier installation kit, 57008"

from

$109.99
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.
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USA Standard Gear – USA Standard Gear Differential Rebuild Kit, 60012 (Part No.60012)

USA Standard Gear Differential Rebuild Kit, 60012

from

$115.99
USA Standard Gear Differential Rebuild Kit, 60012.
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Yukon Gear – "Yukon Gear Minor Install Kit for GM Early and Late 7.5"" Differential, 12050" (Part No.12050)

"Yukon Gear Minor Install Kit for GM Early and Late 7.5"" Differential, 12050"

from

$115.99
Yukon Minimum Installation Kits are a low-cost solution for ring and pinion gear changes in newer vehicles where the bearings can be reused. Kits include all high-quality components for a smooth differential set up.
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Yukon Gear – "Yukon Gear Minor Install Kit for GM 8.5"" Rear Differential, 12055" (Part No.12055)

"Yukon Gear Minor Install Kit for GM 8.5"" Rear Differential, 12055"

from

$48.99
Yukon Minimum Installation Kits are a low-cost solution for ring and pinion gear changes in newer vehicles where the bearings can be reused. Kits include all high-quality components for a smooth differential set up.
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Most Popular Rear Housing Cover Gasket for 1975 Buick Estate Wagons

Enhance your 1975 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 1975 Buick Estate Wagon Differential Pinion Seals

Upgrade your Estate Wagon with one of our 3 best-selling Differential Pinion Seals, earning an average 5 stars rating across 2 reviews.

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-Quality Differential Carrier Bearing Set for 1975 Buick Estate Wagons

Choose a high-quality OEM or aftermarket Differential Carrier Bearing Set for Buick Estate Wagons and enjoy top-notch performance from $11.99.

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 Picks for 1975 Buick Estate Wagon Rear Differential Cover Gaskets

Invest in one of our 3 durable Rear Differential Cover Gaskets for your 1975 Buick, knowing you’re getting trusted brands and expert craftsmanship.

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

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.
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Differential Oil for 1975 Buick Estate Wagons

Make a smart move for your 1975 Buick Estate Wagon with products all priced from $44.99 to $137.99.

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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Top-Rated Differential Brands For Your 1975 Buick Estate Wagon

When it comes to finding the perfect Differential for your 1975 Buick Estate Wagon, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 11 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 1975 Buick Estate Wagon, providing peace of mind with parts that meet or exceed OEM standards.

Popular Felpro 1975 Buick Estate Wagon Differentials

If you’re looking for a top-quality Differential for your 1975 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 1975 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 1975 Buick Estate Wagon Differentials

For those in search of a high-quality Differential for their 1975 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 Oil Seal, S-8460N
from $8.99
(1)
Driveworks Oil Seal, S-8460N
“Great fitment”
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 Taper Bearing Set, S-A-5
from $11.99
(70)
Driveworks Taper Bearing Set, S-A-5
“Great”

FAQs for 1975 Buick Estate Wagon Differentials

What are the best-selling Differentials for 1975 Buick Estate Wagons?

Out of 67 Differentials that fit 1975 Buick Estate Wagons, the following parts are the top sellers:

What’s the price range for 1975 Buick Estate Wagon Differentials?

The prices of Differentials for the 1975 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 1975 Buick Estate Wagon?

The average price for Differentials for the 1975 Buick Estate Wagon is $189.63. 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, 1976, 1974, 1973, 1972, and 1971.

What are the cheapest Differentials for my 1975 Buick Estate Wagon?

The cheapest 1975 Buick Estate Wagon Differentials we carry are:

Does Advance Auto Parts sell Differentials for any other 1975 Buick models?

Yes. We stock Differentials for 7 other popular 1975 Buick models. Some of the most popular are 1975 Regal Differentials, 1975 Century Differentials, 1975 LeSabre Differentials, 1975 Skylark Differentials, and 1975 Riviera Differentials.

What types of Differentials do you sell for my 1975 Buick Estate Wagon?

As of 8/2/26, these are some of the most in-demand types of Differentials for a 1975 Buick Estate Wagon:

Can I get help with 1975 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.