1978 Mercury Cougar Drive Shafts and Axles

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Keep Your 1978 Mercury Cougar in Top Shape with Quality Drive Shafts and Axles

Whether you’re repairing or upgrading your Drive Shafts and Axle, using high-quality parts is key to keeping your 1978 Mercury Cougar looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Drive Shaft Support Bolts, Axle Shaft Seals, and Rear Axle Shaft Bearings. 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 Drive Shafts and Axles from Trusted Brands

Looking for a reliable Drive Shafts and Axle? We’ve got you covered with options from brands you know and trust like Dorman. For example, Dorman Drive Shafts and Axles start at just $22.49 with an average 4.2 star rating. With over 6 reviews and a solid 5 star average, you can shop with confidence knowing other Mercury Cougar owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1978 Mercury Cougar Drive Shafts and Axle at Advance Auto Parts is around $66.57, with a range that starts at $5.99 and goes up to $279.99. With 13 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Ford 7.5", 8", 8.8", & 9" Axle Stud, Fill Plug For Ford 9", 1/2" Thread, and Tapered Axle Bearing And Seal Kit, 3.150" Od, For 9" Ford start at just $6.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Drive Shafts and Axle, don’t forget to check out other key components like Differentials and Universal Joints. At Advance Auto Parts, we’re here to help you keep your 1978 Mercury Cougar in peak condition, inside and out.

Essential 1978 Mercury Cougar Drive Shafts and Axles

Yukon Gear – Tapered Axle Bearing And Seal Kit, 3.150" Od, For 9" Ford (Part No.10058)

Tapered Axle Bearing And Seal Kit, 3.150" Od, For 9" Ford

from

$111.99
Yukon axle bearing & seal kits are specially designed for each application & use all high quality bearings & seals. Tapered axle bearing and seal kit, 3.150″ OD, for 9″ Ford. This axle bearing & seal kit services one side only.

Product Features:
  • Axle bearing and seal kit for Ford 9″ rear
  • Includes axle bearing and seal
  • Tapered roller design
  • 3.150″ O.D.
  • 1.562″ I.D.
  • Services one side
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Schaeffler – Shaft Seal (Part No.SS2468)

Shaft Seal

from

$5.19
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.

Product Features:
  • High-precision and High-quality components used in all KITs
  • Coverage of classic and new high-tech solutions for the best system coverage
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Yukon Gear – Ford 7.5", 8", 8.8", & 9" Axle Stud (Part No.33175)

Ford 7.5", 8", 8.8", & 9" Axle Stud

from

$6.99
Ford 7.5″, 8″, 8.8″, & 9″ axle stud.

Product Features:
  • Axle stud for Ford 7.5″, 8.8″ and 9″
  • 1/2″ x 20 thread
  • 1 7/8″ long
  • 29/64″ shoulder length
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Yukon Gear – Axle Stud , 58Mm X M14-2.0 (Part No.33557)

Axle Stud , 58Mm X M14-2.0

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$5.99
AXLE STUD , 58MM X M14-2.0 .
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Yukon Gear – Fill Plug For Ford 9", 1/2" Thread (Part No.33539)

Fill Plug For Ford 9", 1/2" Thread

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$10.99
Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses t

Product Features:
  • Fill plug
  • Fits Ford 9″
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Yukon Gear – Axle Bearing Retainer For Ford 9", Small Bearing, 3/8" Bolt Holes (Part No.33468)

Axle Bearing Retainer For Ford 9", Small Bearing, 3/8" Bolt Holes

from

$22.99
Product Features:
  • Axle bearing retainer for Ford 9″
  • Fits small bearing applications
  • 3/8″ bolt holes
  • 3 5/16″ x 2″ bolt pattern
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Yukon Gear – Axle Bearing Retainer For Ford 9", Large Bearing, 1/2" Bolt Holes (Part No.33467)

Axle Bearing Retainer For Ford 9", Large Bearing, 1/2" Bolt Holes

from

$67.99
Product Features:
  • Axle bearing retainer for Ford 9″
  • Fits large bearing applications
  • 1/2″ bolt holes
  • 3 1/2″ x 2 3/8″ bolt pattern
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Yukon Gear – Axle Bearing Retainer For Ford 9", Large & Small Bearing, 3/8" Bolt Holes (Part No.33466)

Axle Bearing Retainer For Ford 9", Large & Small Bearing, 3/8" Bolt Holes

from

$22.99
Product Features:
  • Axle bearing retainer for Ford 9″
  • Fits large and small bearing applications
  • 3/8″ bolt holes
  • 3 9/16″ x 2″ bolt pattern
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Yukon Gear – Axle Seal For 5707 Or 1563 Bearing (Part No.30196)

Axle Seal For 5707 Or 1563 Bearing

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$6.99
Axle seal for 5707 OR 1563 bearing.Yukon Mighty seal.

Product Features:
  • Rear axle seal
  • 2.250″ O.D.
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Yukon Gear – Outer Axle Seal For 8" Ford (Part No.30031)

Outer Axle Seal For 8" Ford

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$43.99
Outer axle seal for 8″ Ford.Yukon Mighty seal.

Product Features:
  • Outer axle seal
  • Fits Ford 8″
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Yukon Gear – Mighty Seal (Part No.30214)

Mighty Seal

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$26.99
Axle seal.Yukon Mighty seal.

Product Features:
  • Rear axle seal
  • Fits Ford 8″
  • 2.264″ O.D.
  • 1.365″ I.D.
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Driveworks – Taper Bearing Set (Part No.S-A-5)

Taper Bearing Set

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$9.99
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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National – Wheel Bearing (Part No.5707)

Wheel Bearing

from

$24.99
Manufactured with premium-grade steel, National cylindrical bearings are designed and engineered to meet OE specifications.

Product Features:
  • STRONG AND DURABLE: Controlled heat treatment process for strength and durability
  • PREMIUM MATERIALS: Precision manufactured using premium-grade steel for durability and performance
  • OE-STYLE DESIGN: Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
  • Professional technicians know they can depend on National
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Yukon Gear – Stub Axle Bearing For Ford 7.5" IRS, 8.8" IRS & 8.8" IFS (Part No.18055)

Stub Axle Bearing For Ford 7.5" IRS, 8.8" IRS & 8.8" IFS

from

$53.99
Product Features:
  • Stub axle bearing
  • Fits Ford 7.5″ IRS, 8.8″ IRS and 8.8″ IFS
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Yukon Gear – Ford 9" (3/8" Holes) Torino Design Housing Ends (Part No.32160)

Ford 9" (3/8" Holes) Torino Design Housing Ends

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$279.99
9″ (3/8″ holes) Torino design housing ends for Ford (for 2-5/8″ ID axle tube).

Product Features:
  • Housing ends
  • Fits Ford 9″
  • 3 9/16″ x 2″ bolt pattern
  • 3/8″ bolt holes
  • Set of two
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Yukon Gear – Conversion Bearing For Small Bearing Ford 9" Axle In Large Bearing Housing (Part No.18046)

Conversion Bearing For Small Bearing Ford 9" Axle In Large Bearing Housing

from

$92.99
Conversion bearing for small bearing Ford 9″ axle in large bearing housing.

Product Features:
  • Axle bearing
  • Fits Ford 9″
  • Conversion bearing to install small bearing axle into large bearing housing
  • 3.150″ O.D.
  • 1.377″ I.D.
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Dorman – Help – Driveshaft Flange Bolts (Part No.80992)

Driveshaft Flange Bolts

from

$22.49
This drive shaft 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.

Product Features:
  • Direct replacement – this engine mount bolt matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this drive shaft bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Yukon Gear – Adaptor Washer For 28 Spline Pinion In Oversize Support, For 9" Ford (Part No.32240)

Adaptor Washer For 28 Spline Pinion In Oversize Support, For 9" Ford

from

$71.99
Adaptor washer for 28 spline pinion in oversize support, for 9″ Ford.

Product Features:
  • Adapter washer
  • Fits Ford 9″
  • Adapts 28 spline pinion into 35 spline pinion support
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Most Popular Drive Shaft Support Bolt for 1978 Mercury Cougars

Enhance your 1978 Mercury Cougar with this popular Drive Shaft Support Bolt we have in stock, for $22.49.

Dorman – Help – Driveshaft Flange Bolts (Part No.80992)

Driveshaft Flange Bolts

from

$22.49
This drive shaft 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.

Product Features:
  • Direct replacement – this engine mount bolt matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this drive shaft bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Best-Selling 1978 Mercury Cougar Axle Shaft Seal

Upgrade your Cougar with our best-selling Axle Shaft Seal.

Yukon Gear – Outer Axle Seal For Set 20 Bearing (Part No.30030)

Outer Axle Seal For Set 20 Bearing

from

$14.99
Outside seal (included in TK set20).Yukon Mighty seal.

Product Features:
  • Outer axle seal
  • Works with Set20 bearing
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Top-Quality Rear Axle Shaft Bearings for 1978 Mercury Cougars

Choose a high-quality OEM or aftermarket Rear Axle Shaft Bearing for Mercury Cougars and enjoy top-notch performance from $92.99.

Yukon Gear – Conversion Bearing For Small Bearing Ford 9" Axle In Large Bearing Housing (Part No.18046)

Conversion Bearing For Small Bearing Ford 9" Axle In Large Bearing Housing

from

$92.99
Conversion bearing for small bearing Ford 9″ axle in large bearing housing.

Product Features:
  • Axle bearing
  • Fits Ford 9″
  • Conversion bearing to install small bearing axle into large bearing housing
  • 3.150″ O.D.
  • 1.377″ I.D.
See More

Our Top Pick for a 1978 Mercury Cougar Axle Shaft Bearing

Invest in a durable Axle Shaft Bearing for your 1978 Mercury, knowing you’re getting trusted brands and expert craftsmanship.

Yukon Gear – Axle Bearing For 9" Ford (Part No.10057)

Axle Bearing For 9" Ford

from

$132.99
Yukon axle bearing & seal kits are specially designed for each application & use all high quality bearings & seals. Axle bearing for 9″ Ford. 1.531″ I.D., 3.150″ O.D. This axle bearing & seal kit services one side only.

Product Features:
  • Axle bearing for Ford 9″
  • Sealed design
  • 3.150″ O.D.
  • 1.531″ I.D.
  • Services one side
See More

Our Axle Shaft Bearing Assemblies for 1978 Mercury Cougars

Make a smart move for your 1978 Mercury Cougar with our Axle Shaft Bearing Assembly for $111.99.

Yukon Gear – Tapered Axle Bearing And Seal Kit, 3.150" Od, For 9" Ford (Part No.10058)

Tapered Axle Bearing And Seal Kit, 3.150" Od, For 9" Ford

from

$111.99
Yukon axle bearing & seal kits are specially designed for each application & use all high quality bearings & seals. Tapered axle bearing and seal kit, 3.150″ OD, for 9″ Ford. This axle bearing & seal kit services one side only.

Product Features:
  • Axle bearing and seal kit for Ford 9″ rear
  • Includes axle bearing and seal
  • Tapered roller design
  • 3.150″ O.D.
  • 1.562″ I.D.
  • Services one side
See More

Top-Rated Drive Shafts and Axle Brands For Your 1978 Mercury Cougar

When it comes to finding the perfect Drive Shafts and Axle for your 1978 Mercury Cougar, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 2 trusted brands. We carry the most popular Drive Shafts and Axle brands including Dorman, and more, all known for their exceptional customer ratings (average brand rating of 4.2 stars) and competitive prices, as low as $22.49. Purchasing a Drive Shafts and Axle from us here at Advance Auto Parts is a smart move for both you and your 1978 Mercury Cougar, providing peace of mind with parts that meet or exceed OEM standards.

Popular Dorman 1978 Mercury Cougar Drive Shafts and Axles

If you’re looking for a top-quality Drive Shafts and Axle for your 1978 Mercury Cougar, Advance Auto Parts has exactly what you need with our selection of Dorman Drive Shafts and Axles. We have 1 Dorman Drive Shafts and Axles in stock for this fitment, all known for their durability and precision fit. With prices starting at just $22.49, you’ll find the perfect Drive Shafts and Axle for your needs and budget. Dorman Drive Shafts and Axles for the 1978 Mercury Cougar come highly rated, with over 1 customer reviews and an impressive average rating of 4.2 stars. Choosing a Dorman Drive Shafts and Axle from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Driveshaft Flange Bolts
from $22.49
(1)
Driveshaft Flange Bolts
“This item appears to be correct and my review is more of a bashing of AA help desk who apparently does not answer questions as you are lead to believe”

FAQs for 1978 Mercury Cougar Drive Shafts and Axles

What are the best-selling Drive Shafts and Axles for 1978 Mercury Cougars?

Out of 13 Drive Shafts and Axles that fit 1978 Mercury Cougars, the following parts are the top sellers:

What’s the price range for 1978 Mercury Cougar Drive Shafts and Axles?

The prices of Drive Shafts and Axles for the 1978 Mercury Cougar range from $5.99 up to $279.99 for the most premium parts.

What is the average price of a Drive Shafts and Axle for a 1978 Mercury Cougar?

The average price for Drive Shafts and Axles for the 1978 Mercury Cougar is $66.57. Keep in mind the variety of part types within our Drive Shafts and Axle category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Drive Shafts and Axles for other Mercury Cougar model years?

Yes, we carry Drive Shafts and Axles for 33 model years of Mercury Cougars between 1967 and 2002. The following model years are the most popular for Drive Shafts and Axle purchases: 2002, 2001, 2000, 1999, 1997, 1996, 1995, 1994, and 1993.

What are the cheapest Drive Shafts and Axles for my 1978 Mercury Cougar?

The cheapest 1978 Mercury Cougar Drive Shafts and Axles we carry are:

Does Advance Auto Parts sell Drive Shafts and Axles for any other 1978 Mercury models?

Yes. We stock Drive Shafts and Axles for 4 other popular 1978 Mercury models. Some of the most popular are 1978 Grand Marquis Drive Shafts and Axles, 1978 Zephyr Drive Shafts and Axles, 1978 Marquis Drive Shafts and Axles, 1978 Monarch Drive Shafts and Axles, and 1978 Bobcat Drive Shafts and Axles.

What are the top-rated Drive Shafts and Axles that fit the 1978 Mercury Cougar?

The one 1978 Mercury Cougar Drive Shafts and Axle we have in stock is the Model 20 & Model 35 Axle Stud 1/2"-20 X 1.625" Length, 0.620" Dia – Knurl. It costs $5.99.

What types of Drive Shafts and Axles do you sell for my 1978 Mercury Cougar?

As of 3/1/26, these are some of the most in-demand types of Drive Shafts and Axles for a 1978 Mercury Cougar:

Can I get help with 1978 Mercury Cougar Drive Shafts and Axle orders?

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

What is your return policy for Mercury Cougar Drive Shafts and Axles?

Advance Auto Parts keeps returns simple. For new Mercury Cougar Drive Shafts and Axles and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.