1981 Mercury Cougar Drivetrains

Essential 1981 Mercury Cougar Drivetrains

Dorman – Spindle Nut 13/16 In.-20 Hex Size 1-1/8 In. (Part No.615-075.1)

Spindle Nut 13/16 In.-20 Hex Size 1-1/8 In.

from

$3.29
This spindle nut retainer 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 spindle nut retainer matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this retainer 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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Dorman – Spindle Washer – I.D. 13/16 In. O.D. 1-21/32 In. Thickness 3/32 In. (sold by each) (Part No.618-013)

Spindle Washer - I.D. 13/16 In. O.D. 1-21/32 In. Thickness 3/32 In. (sold by each)

from

$1.99
This spindle nut washer 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 spindle nut washer matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this washer is a reliable replacement for an original part that is missing or has failed due to wear
  • 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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Dorman – Help – Driveshaft Flange Bolts (Part No.80992)

Driveshaft Flange Bolts

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$20.29
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 – 9" Ford Pinion Nut, 35 Spline Large Pinion Oversize (Part No.33161)

9" Ford Pinion Nut, 35 Spline Large Pinion Oversize

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$26.99
9″ Ford pinion nut, 35 spline Large pinion oversize.

Product Features:
  • Pinion nut
  • Fits Ford 9″ with 35 spline pinion
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Dorman – Differential Pinion Yoke Assembly (Part No.697-530)

Differential Pinion Yoke Assembly

from

$135.99
Worn or damaged differential end yoke causing driveline vibrations? This direct replacement end yoke matches the original equipment part for a trustworthy repair and reliable performance.

Product Features:
  • Direct replacement – this differential end yoke matches the fit and construction of the original yoke
  • Excellent value – this replacement end yoke offers original equipment quality at a fraction of the price of dealer parts
  • Quality materials – this end yoke is machined from cast iron for strength and is precision machined for reliability
  • Validated fit – this differential end yoke has been tested to confirm accurate fit
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Yukon Gear – Flange Yoke For 8.8" Ford Passenger And 8.8" Ford IFS Truck (4.3" Od) (Part No.41048)

Flange Yoke For 8.8" Ford Passenger And 8.8" Ford IFS Truck (4.3" Od)

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$286.99
Yukon flange yoke for 8.8″ Ford passenger and 8.8″ Ford IFS truck (4.3″ OD). All Yukon yokes come with a one year warranty against manufacturing defects.

Product Features:
  • Fits Ford 8.8″
  • 30 spline
  • Round companion flange
  • 4.3″ O.D.
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Pro-King – Differential Bearing Cup (Part No.742G256)

Differential Bearing Cup

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$8.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • All products are designed to meet or exceed OE quality, form, fit and funtion.
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Yukon Gear – R1563Tav Rear Axle Bearing And Seal Kit (Part No.10004)

R1563Tav Rear Axle Bearing And Seal Kit

from

$42.99
Yukon axle bearing & seal kits are specially designed for each application & use all high quality bearings & seals. R1563TAV axle bearing and seal kit, TorringtonBrand, 2.250″ OD, 1.400″ ID. This axle bearing & seal kit services one side only.

Product Features:
  • Includes axle bearing and seal
  • Services one side
  • Torrington Brand
  • 2.250″ O.D.
  • 1.400″ I.D.
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Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)

Redline Synthetic "Shock Proof" Oil - 3 Quarts

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$99.99
Redline Synthetic “Shock Proof” Oil. 3 Quarts.

Product Features:
  • Includes three quarts of Redline Shockproof oil
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MOOG Driveline Products – Greaseable Premium Universal Joint (Part No.369)

Greaseable Premium Universal Joint

from

$19.99
Backed by superior materials and rigorous testing, MOOG Heavy Duty universal joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.

Product Features:
  • BUILT TO LAST — Rugged design specifically engineered for fleets, off-highway and commercial vehicles
  • STRONG AND DURABLE — Bearing cups are cold-formed, case-hardened and precision ground for strength and durability
  • KEEPS DIRT OUT — Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
  • GREASEABLE DESIGN — Drilled and tapped grease fitting holes for easy servicing and cross trunnions with large grease reservoirs with radial grease channels for grease distribution
  • INHIBITS PREMATURE WEAR — Cross trunnions ground to a 15-25 RMS finish for a smooth surface free of microscopic grooves that can cause premature wear
  • RELIABLE PERFORMANCE — Internal anti-drainback valve integrated into thrust washer controls lubrication flow and prevents dry startup
  • RIGOROUS TESTING — Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
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Yukon Gear – Dropout Housing Stud For Ford 8" & 9" (Part No.32338)

Dropout Housing Stud For Ford 8" & 9"

from

$7.99
Product Features:
  • Housing stud
  • Fits Ford 8″ and 9″
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National – Bearings (Part No.LM67048)

Bearings

from

$9.29
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Crowned raceways and rollers to ensure even load distribution for maximum life
  • Industry leading coverage
  • Professional technicians know they can depend on National
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Yukon Gear – Standard Open Carrier Case, Ford 8.8", 31 Spline (Part No.20077)

Standard Open Carrier Case, Ford 8.8", 31 Spline

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$269.99
8.8″ 31 spline standard Open case (7/8 X-PIN HOLE).

Product Features:
  • Standard open carrier case
  • Fits Ford 8.8″ with 31 spline axles
  • Does not include spider gears
  • 0.875″ cross pin shaft diameter
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Yukon Gear – Side Gear And Thrust Washer (0.875" Shaft) For 8.8" Ford (Part No.33300)

Side Gear And Thrust Washer (0.875" Shaft) For 8.8" Ford

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$11.99
Side gear thrust washer (0.875″ shaft) for 8.8″ Ford.

Product Features:
  • Side gear thrust washer for Ford 8.8″
  • 0.875″ diameter cross pin shaft applications only
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Yukon Gear – Trac Loc Clutch Hub For 9" Ford With 28 Splines (Part No.16159)

Trac Loc Clutch Hub For 9" Ford With 28 Splines

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$139.99
Trac Loc clutch hub for 9″ Ford with 28 splines.

Product Features:
  • Clutch hub
  • Fits Ford 8″ and 9″ 28 spline Trac Loc
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National – Shaft Repair Sleeve (Part No.99166)

Shaft Repair Sleeve

from

$34.99
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.

Product Features:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
  • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
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Yukon Gear – The Carrier Bearing Puller (Part No.56072)

The Carrier Bearing Puller

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$883.99
The Yukon carrier bearing Puller works with an impact gun to quickly and safely remove carrier bearings without damaging them. This unit comes with a handy bench top stand and works with up to one ton applications including Dana 70HD, Dana 80, 10.25″ & 10.5″ Ford, or GM & Chrysler 11.5″ differentials.

Product Features:
  • Carrier bearing puller
  • Works with an impact gun to safely and easliy remove carrrier bearings
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Yukon Gear – C/Clip (Part No.33083)

C/Clip

from

$8.99
C/Clip for Chrysler 8.25″, Ford 7.5″, 8.8″, GM 12 bolt car & truck, 8.2″, 8.5″ & 8.6″.

Product Features:
  • c-clip for Chrysler 8.25″, Ford 8.8″, GM 12 bolt car and truck and GM 8.2″, 8.5″ and 8.6″
  • .150″ thick
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Motive Gear – Differential Pinion Solid Spacer Kit w/Shims (Part No.SS9)

Differential Pinion Solid Spacer Kit w/Shims

from

$45.99
All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear!
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Yukon Gear – Bearing Race Driver (Part No.56023)

Bearing Race Driver

from

$219.99
Bearing race driver. No return.

Product Features:
  • Bearing race driver
  • Fits M88010 race
  • All steel construction
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Dorman – Rear Axle Shaft, Left or Right (Part No.630-228)

Rear Axle Shaft, Left or Right

from

$242.99
Axle shaft damaged or bearings worn out? This axle shaft directly replaces the original equipment on certain vehicles, complete with all necessary application-specific installation components.

Product Features:
  • Direct replacement – this axle shaft replaces the original equipment on specific vehicle years, makes and models
  • Complete kit – each shaft includes critical installation hardware and components needed for specific vehicle applications
  • Durable construction – designed to rigorous standards and tested to ensure performance
  • Trustworthy solution – backed by team of engineers and quality control specialists in the United States
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Dorman – Standard Spindle Nut 3/4 In.-16 Hex Size 1-1/16 In. (sold by each) (Part No.615-072)

Standard Spindle Nut 3/4 In.-16 Hex Size 1-1/16 In. (sold by each)

from

$3.99
This spindle nut 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 spindle nut matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this nut 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 – Super Carrier Shim Kit For Ford 7.5", GM 7.5", 8.2" & 8.5" (Part No.55001)

Super Carrier Shim Kit For Ford 7.5", GM 7.5", 8.2" & 8.5"

from

$59.99
Product Features:
  • Super carrier shim kit for Ford 7.5″, GM 7.5″, 7.625″, 7.6″ IFS, 7.6″ IRS, 7.75″, 8.2″, 8.2″ Buick, Oldsmobile and Pontiac and GM 8.5″ front and rear
  • Interlocking design makes installation much easier
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National – Bearings (Part No.201-CC)

Bearings

from

$15.79
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Controlled heat treating process for lasting performance and extended bearing life
  • Industry leading coverage
  • Professional technicians know they can depend on National
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Motive Gear – Differential Gear Install Kit (Part No.F8IK)

Differential Gear Install Kit

from

$44.49
All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear!
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Yukon Gear – Pinion Seal For 7.5", 8.8", And 9.75" Ford, And Also 1985-’86 9" Ford (Part No.30037)

Pinion Seal For 7.5", 8.8", And 9.75" Ford, And Also 1985-'86 9" Ford

from

$8.99
Pinion seal for 7.5″, 8.8″, and 9.75″ Ford, and also 1985-’86 9″ Ford.Yukon Mighty seal.

Product Features:
  • Pinion seal
  • Fits Ford 7.5″, 8.8″ and some 9.75″
  • 2.785″ O.D.
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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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National – Bearings (Part No.M88010)

Bearings

from

$10.49
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Crowned raceways and rollers to ensure even load distribution for maximum life
  • Industry leading coverage
  • Professional technicians know they can depend on National
See More

Popular 1981 Mercury Cougar Drivetrains Categories

1981 Mercury Cougar Drivetrains

You count on your 1981 Mercury Cougar to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Drivetrains. With 218 Drivetrains ranging in price from $0.99 to $1,099.99, you’re sure to find everything you need for your 1981 Mercury Cougar.

Brands matter. If you want to shop a specific Drivetrains brand, we stock 16 different brands like Moog, Driveworks, and National. 1981 Mercury Cougar Drivetrains start as low as $0.99!

One of the best ways to find top quality OEM or aftermarket Drivetrains is by asking professionals. Short of that, you can shop with confidence thanks to our 2,133 extensive product reviews on 1981 Mercury Cougar Drivetrains. Some of the top-rated Drivetrains products we carry are Multi Purpose Seal with 4.1 stars and Multi Purpose Seal with 4.6 stars.

Did we mention you can order your Drivetrains from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Drivetrains inventory for your 1981 Mercury Cougar below to get started!

Top-Rated Drivetrains Brands For Your 1981 Mercury Cougar

Trusted Drivetrains OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 1981 Mercury Cougar running right for years to come. In our inventory you’ll find brands like Moog, Driveworks, National, and even more.

Popular Powertrax Drivetrains

You’ll find popular Powertrax brand products across Differentials. All are waiting to get your 1981 Mercury Cougar back on the road. Some of the top-rated Powertrax products in these categories are:
Lock Right Locker
from $444.99
(1)
Lock Right Locker
Differential Open Unit and Components

FAQs for 1981 Mercury Cougar Drivetrains

What are the most purchased Drivetrains for the 1981 Mercury Cougar?

Out of 218 Drivetrains for the 1981 Mercury Cougar, the most popular in our inventory are:
Universal Joint
from $15.99
(33)
Universal Joint
U-Joints
Oil Seal
from $5.49
(38)
Oil Seal
Axle Shaft Seals
Universal Joint
from $28.99
(12)
Universal Joint
Axle Shaft Universal Joints

What are the top-rated 1981 Mercury Cougar Drivetrains?

Top-rated Drivetrains for your 1981 Mercury Cougar based on customer reviews/ratings are:
Multi Purpose Seal
from $11.99
(28)
Multi Purpose Seal
“Stopped the leak”
Multi Purpose Seal
from $8.99
(19)
Multi Purpose Seal
“So far it’s holding up”
Axle Repair Bearing
from $16.49
(19)
Axle Repair Bearing
“Up and running again with no more axle seal leaks in my Grand Marquis with 318k miles on it!”