1979 Mercury Cougar Drivetrains

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Popular 1979 Mercury Cougar Drivetrains Categories

Essential Drivetrains for 1979 Mercury Cougars

National – Bearing (Part No.M88048)

Bearing

from

$15.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • PREMIUM MATERIALS — Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION — Crowned raceways and rollers for even load distribution
  • OE-STYLE DESIGN — Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE — Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING — Comprehensive testing throughout design and development processes by National engineers for quality you can count on
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Powertrax – Grip PRO Traction System (Part No.GT109031)

Grip PRO Traction System

from

$496.99
For vehicles that are driven daily, the Powertrax 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 Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax 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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USA Standard Gear – Differential Open Unit/Component (Part No.59022)

Differential Open Unit/Component

from

$59.99
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.

Product Features:
  • Fits Ford 9″ with 28 spline axles
  • Installs into a standard open carrier case
  • Provides 100% traction to both wheels at all times
  • Not recommended for street driven vehicles
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Yukon Gear – Yoke for Ford 9" with 35 Spline Pinion and A 1350 U/Joint Size (Part No.41058)

Yoke for Ford 9" with 35 Spline Pinion and A 1350 U/Joint Size

from

$304.99
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.

Product Features:
  • Fits Ford 9″
  • 35 spline
  • 1350 u-joint size
  • Outside snap ring design
  • 3.625″ snap ring span
  • 1.188″ cap diameter
  • U-bolt style
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Yukon Gear – Steel Cover for Ford 8.8" (Part No.32328)

Steel Cover for Ford 8.8"

from

$99.99
These Yukon replacement diff covers are a direct bolt-on.

Product Features:
  • Fits Ford 8.8″
  • Steel
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Yukon Gear – Standard Open Spider Gear Kit for 7.5" Ford with 28 Spline Axles (Part No.16014)

Standard Open Spider Gear Kit for 7.5" Ford with 28 Spline Axles

from

$214.99
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.

Product Features:
  • Spider gear kit
  • Fit Ford 7.5″ open differential
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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Dorman – Differential Clutch Kit (Part No.697-780)

Differential Clutch Kit

from

$262.99
This differential disc kit is a low-cost, time-saving repair solution for the posi-traction function. They are designed to match the fit and performance of the original disc on specific vehicle years, makes and models.

Product Features:
  • Direct replacement – this differential clutch kit provides the necessary components for repairing the original equipment on specific vehicles
  • Quality materials – all components are built for reliable longevity and performance
  • Smart solution – provides original equipment fit and function for a competitive price compared to original manufacturer
  • Trustworthy quality – backed by team of designers and engineers in the United States
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Motive Gear – Differential Pinion Bearing Spacer (Part No.4105)

Differential Pinion Bearing Spacer

from

$22.79
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.

Product Features:
  • FORD 9″ SOLID SPACER KIT
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Yukon Gear – Pinion Nut (Part No.33154)

Pinion Nut

from

$7.99
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.

Product Features:
  • Pinion nut for Ford 7.5″, 8″ and 9″
  • 3/4″ x 20 thread
  • 1 1/6″ socket
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Yukon Gear – Grizzly Locker, Ford 9" With 35 Splines, For Use With Load Bolt Dropout (Part No.28012)

Grizzly Locker, Ford 9" With 35 Splines, For Use With Load Bolt Dropout

from

$993.99
The Yukon Grizzly Locker is the ultimate in locking differentials for street, off-road, & drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns. The Yukon Grizzly locker is a mechanical locking differential. It features a forged case and 8620 internals for maximum strength. It’s patented design reduces common locker failures. All units assembled in the USA! This unit has been machined for use in dropouts with a load-bolt. All Grizzly Lockers are backed by the best warranty in the business! Yukon covers the replacement unit and covers any collaterally damaged parts and associated labor, up to $2,000! This locker also fits 9.5″ & 10″ dropouts.

Product Features:
  • Fits Ford 9″ with 35 spline axles and loadbolt housing
  • Patented internal design reduces common locker failures
  • 8620 internals for added strength
  • Assembled in the USA
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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
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.

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 – 3.062" Side Adjuster for Ford 9" (Part No.32139)

3.062" Side Adjuster for Ford 9"

from

$94.99
Yukon Gear & Axle dropouts are heavy duty. They feature upgraded nodular iron construction and a larger-than-OEM design to provide unrivaled strength and reliability in racing and off-road applications.

Product Features:
  • Side adjuster
  • Fits Ford 9″
  • 3.062″ designs only
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Yukon Gear – 8" Ford O-Ring (Part No.30027)

8" Ford O-Ring

from

$9.99
Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come.

Product Features:
  • Pinion support O-ring
  • Fits Ford 8″
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Yukon Gear – Yoke for Ford 8.8" Truck Or Passenger with A 1330 U/Joint Size (Part No.41049)

Yoke for Ford 8.8" Truck Or Passenger with A 1330 U/Joint Size

from

$209.99
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.

Product Features:
  • Fits Ford 8.8″
  • 30 spline
  • 1330 u-joint size
  • 3.625″ snap ring span
  • 1.062″ cap diameter
  • Outside snap ring design
  • Strap style
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Yukon Gear – Trac Loc Positraction, Ford 8.8", 31 Spline (Part No.20069)

Trac Loc Positraction, Ford 8.8", 31 Spline

from

$719.99
Main Cap stud kit for Ford 7.5″, 8.8″, 9″, 10.25″, Dana 44, 60, and 70.

Product Features:
  • Trac Loc positraction
  • Fits Ford 8.8″ with 31 spline axles
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Felpro – Differential Carrier Gasket Oval Shaped 10 Bolt Hole Gasket (Part No.RDS 55074)

Differential Carrier Gasket Oval Shaped 10 Bolt Hole Gasket

from

$9.99
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.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Unsurpassed quality you can trust
  • Validated for fit, form and function
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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National – Shaft Repair Sleeve (Part No.99181)

Shaft Repair Sleeve

from

$37.99
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
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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
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 other general maintenance items. For all your differential small parts needs, look no further than Yukon.

Product Features:
  • Adapter washer
  • Fits Ford 9″
  • Adapts 28 spline pinion into 35 spline pinion support
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Dorman – Spindle Nut 3/4 In.-16 and M20 In.-1.0 Hex Size 1-1/16 In. and 27mm (Part No.615-073.1)

Spindle Nut 3/4 In.-16 and M20 In.-1.0 Hex Size 1-1/16 In. and 27mm

from

$5.49
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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Yukon Gear – Bearing Install Kit for Ford 9" Differential, LM501310 Bearings (Part No.11044)

Bearing Install Kit for Ford 9" Differential, LM501310 Bearings

from

$228.99
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.

Product Features:
  • Fits Ford 9″ with LM501310 carrier races
  • Included are carrier bearings and races, pinion bearings and races, pinion seal, crush sleeve, pilot bearing, marking compound and brush.
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Driveworks – Axle Shaft Seal (Part No.S-100537)

Axle Shaft Seal

from

$10.99
Product Features:
  • Brand may vary by location
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Yukon Gear – Trac Loc Spring Plate for Ford 9" & 8 (Part No.33517)

Trac Loc Spring Plate for Ford 9" & 8

from

$10.99
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.

Product Features:
  • Trac Loc spring plate for Ford 8″ and 9″
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Yukon Gear – Side Gear and Thrust Washer (0.750" Shaft) for 8.8" Ford (Part No.33298)

Side Gear and Thrust Washer (0.750" Shaft) for 8.8" Ford

from

$6.99
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.

Product Features:
  • Side gear thrust washer for Ford 8.8″
  • 0.750″ diameter cross pin shaft applications only
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Yukon Gear – Cover Bolt For Ford 7.5", 8.8" & 9.75" (Part No.33554)

Cover Bolt For Ford 7.5", 8.8" & 9.75"

from

$6.99
Yukon 1541H alloy replacement rear axle for Dana 60, 70, and 80, 35 spline. (40″ to 43.5″) Full float axle (8×3.96″ ). Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H alloy rear axles come with a one year warranty against manufacturing defects. This is a full-floating axle.

Product Features:
  • 35 spline
  • 8 x 3.96″ bolt pattern
  • Cut to length design fits 40″-43.5″ applications
  • Fits Dana Spicer 60, 70 and 80
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Yukon Gear – Forged Yoke for Ford 8.8" with A 1350 U/Joint Size (Part No.41051)

Forged Yoke for Ford 8.8" with A 1350 U/Joint Size

from

$246.99
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.

Product Features:
  • Fits Ford 8.8″
  • 30 spline
  • 1350 u-joint size
  • Outside snap ring design
  • 3.625″ snap ring span
  • 1.188″ cap diameter
  • U-bolt style
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Powertrax – Grip LS Traction System (Part No.LS108028)

Grip LS Traction System

from

$451.99
For vehicles that are driven daily, the Powertrax 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 Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!
See More

Yukon Gear – C/Clip (Part No.33083)

C/Clip

from

$8.99
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.

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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Yukon Gear – Star Washers, 3.250" Ford 9" Drop Out New Design Only (Part No.32144)

Star Washers, 3.250" Ford 9" Drop Out New Design Only

from

$4.99
Yukon Gear & Axle dropouts are heavy duty. They feature upgraded nodular iron construction and a larger-than-OEM design to provide unrivaled strength and reliability in racing and off-road applications.

Product Features:
  • Star washer
  • Fits Ford 9″
  • 3.250″ designs only
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Upgrade your 1979 Mercury Cougar with Top-Quality Drivetrains

When it comes to maintaining or upgrading your 1979 Mercury Cougar, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Mercury or enhancing its overall performance, Drivetrains are key to keeping your Cougar functioning at its best. At Advance Auto Parts, we offer a wide selection of 462 Drivetrains for the 1979 Mercury Cougar, designed to meet your needs without breaking the bank. From Universal Joint replacements to Spindles upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Drivetrains for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Drivetrains for your 1979 Mercury Cougar at great prices. Our Drivetrains inventory for this model ranges from just $1.99 to $1,211.99, with an average price of $231.89. Our 462 Drivetrains in stock come from 18 trusted brands, so you’re sure to find the right part for your 1979 Mercury Cougar without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 1979 Mercury Cougar, we stock popular OEM and aftermarket Drivetrains from top names like Spicer, Moog, National, and more. Spicer Drivetrains start at just $36.99 and boast an impressive 4.6 stars average rating from customers. Moog and National also bring quality to the table, with Drivetrains available starting at $14.99, and at an average 4.5 stars rating. With 2,472 customer reviews and counting, our 1979 Mercury Cougar Drivetrains have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Drivetrain upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 1979 Mercury Cougar is always ready to roll. We’re committed to providing you with everything you need to keep your Cougar in top shape, all in one place. Start shopping confidently below for your 1979 Mercury Cougar!

Best-Selling Universal Joints for 1979 Mercury Cougars

Enhance the driving experience in your Mercury with 38 quality Universal Joint components, starting at $4.19.

Spicer – Universal Joint, Greaseable 1330 Series OSR (Part No.5-213X)

Universal Joint, Greaseable 1330 Series OSR

from

$42.99
When you see the Spicer name, you know you are buying the highest quality product available. Spicer universal joints are no exception. Dana manufactures a full line of Spicer universal joints that are engineered to ensure longer life for vehicles in a wide variety of applications, from light vehicle to commercial and off-highway.

Product Features:
  • OE engineering and field tested experience is why the Spicer brand is the most trusted in the industry.
  • Forged with high-quality steel, these u-joints are heat treated and case-hardened with precision to specific levels, ensuring optimal strength and durability.
  • The process of precision grinding the seal and bearing surfaces helps to improve the life of the seal and bearing.
  • Zerk allows for lubricating at regular intervals to help extend the life of the part.
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MOOG Driveline Products – Universal Joint U-Bolt Kit (Part No.534-10)

Universal Joint U-Bolt Kit

from

$25.99
By constantly introducing design enhancements that extend product life and simplify installation and replacement, MOOG has earned its reputation as the chassis industry’s Problem Solver.

Product Features:
  • For U-Joints 375, 430, 434 & 498
  • Fits 1-1/8″ bearings
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MOOG Driveline Products – Greaseable Premium Universal Joint (Part No.354)

Greaseable Premium Universal Joint

from

$34.99
Backed by superior materials and rigorous testing, MOOG Premium universal joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.

Product Features:
  • COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
  • GREASEABLE DESIGN – Greaseable u-joints allow for new grease to flush out contaminants and moisture
  • KEEPS DIRT OUT – Nitrile rubber grease seals use a compressed double lip design for effective protection against contaminants
  • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
  • STRONG AND DURABLE – Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability
  • Cross forging shape and flash provide easier installation and high strength
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MOOG Driveline Products – Greaseable Premium Universal Joint (Part No.534G)

Greaseable Premium Universal Joint

from

$42.99
Backed by superior materials and rigorous testing, MOOG Premium universal joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.

Product Features:
  • COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
  • GREASEABLE DESIGN – Greaseable u-joints allow for new grease to flush out contaminants and moisture
  • KEEPS DIRT OUT – Nitrile rubber grease seals use a compressed double lip design for effective protection against contaminants
  • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
  • STRONG AND DURABLE – Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability
  • Cross forging shape and flash provide easier installation and high strength
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Driveworks – Universal Joint (Part No.DW-534G)

Universal Joint

from

$15.99
Driveworks Universal Joints are designed to meet or exceed OE fit, form, and function. These universal joints are set to provide superior quality and easy installation. Driveworks Universal Joints are constructed from quality materials for extended durability. Driveworks Universal Joints are pre-lubricated with premium grease to provide a longer service life. The grease fittings are pre-installed to allow for easy maintenance (where applicable).

Product Features:
  • The cross is hot forged for the higher torque and horsepower
  • The bearing cups are made by cold forging to provide higher strength and better rigidity
  • Bearing cups allow 360 lubricant distribution to bearing surfaces, and are precision-ground for maximum load-carrying capabilities
  • Lubrication grooves are designed to ensure grease penetration to entire journal and needle bearings
  • Grease fitting allows for easy maintenance and the flexible use of the entire assembly
  • Snap rings are held to strict tolerances to ensure proper cup position and retention
  • Nitrile rubber seals are applied to optimize grease retention and reduce contamination
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Driveworks – Universal Joint (Part No.DW-354)

Universal Joint

from

$31.99
Driveworks Universal Joints are designed to meet or exceed OE fit, form, and function. These universal joints are set to provide superior quality and easy installation. Driveworks Universal Joints are constructed from quality materials for extended durability. Driveworks Universal Joints are pre-lubricated with premium grease to provide a longer service life. The grease fittings are pre-installed to allow for easy maintenance (where applicable).

Product Features:
  • The cross is hot forged for the higher torque and horsepower
  • The bearing cups are made by cold forging, having higher strength and better rigidity
  • Bearing cups allow 360 lubricant distribution to bearing surfaces, and are precision-ground for maximum load-carrying capabilities
  • Lubrication grooves are designed to ensure grease penetration to entire journal and needle bearings
  • Grease fitting in the cross allows for easy maintenance and the flexible use of the whole assembly
  • Snap rings are held to strict tolerances to ensure proper cup position and retention
  • Nitrile rubber seals to optimize grease retention and reduce contamination
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MOOG Driveline Products – Non-Greaseable Super Strength Universal Joint (Part No.254)

Non-Greaseable Super Strength Universal Joint

from

$23.99
Backed by superior materials and rigorous testing, MOOG Super Strength® 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 applications with higher torque and horsepower
  • COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
  • CORROSION PROTECTION – Exclusive MICRO SHIELD coating protects against rust and corrosion
  • KEEPS DIRT OUT – Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
  • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
  • STRONG AND DURABLE – Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability
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MOOG Driveline Products – Non-Greaseable Super Strength Universal Joint (Part No.234)

Non-Greaseable Super Strength Universal Joint

from

$29.49
Backed by superior materials and rigorous testing, MOOG Super Strength 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 applications with higher torque and horsepower
  • COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
  • CORROSION PROTECTION – Exclusive MICRO SHIELD coating protects against rust and corrosion
  • KEEPS DIRT OUT – Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
  • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
  • STRONG AND DURABLE – Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability
See More

Driveworks – Universal Joint (Part No.DW-434)

Universal Joint

from

$16.49
Driveworks Universal Joints are designed to meet or exceed OE fit, form, and function. These universal joints are set to provide superior quality and easy installation. Driveworks Universal Joints are constructed from quality materials for extended durability. Driveworks Universal Joints are pre-lubricated with premium grease to provide a longer service life. The grease fittings are pre-installed to allow for easy maintenance (where applicable).

Product Features:
  • The cross is hot forged for the higher torque and horsepower
  • The bearing cups are made by cold forging, having higher strength and better rigidity
  • Bearing cups allow 360 lubricant distribution to bearing surfaces, and are precision-ground for maximum load-carrying capabilities
  • Lubrication grooves are designed to ensure grease penetration to entire journal and needle bearings
  • Grease fitting in the cross allows for easy maintenance and the flexible use of the whole assembly
  • Snap rings are held to strict tolerances to ensure proper cup position and retention
  • Nitrile rubber seals to optimize grease retention and reduce contamination
See More

Spicer – Universal Joint (Part No.5-795X)

Universal Joint

from

$48.99
You expect a lot from your vehicle, and Spicer Life Series (SPL) universal joints deliver. SPL universal joints consistently outperform competitors, so you can hit the road or trail with confidence. Check out the difference that SPL universal joints can make in your vehicle, and make sure you are getting the longer life, increased bearing capacity and lower maintenance costs that Spicer Life Series (SPL) can provide.
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MOOG Driveline Products – Greaseable Super Strength Universal Joint (Part No.235)

Greaseable Super Strength Universal Joint

from

$34.49
Backed by superior materials and rigorous testing, MOOG Super Strength 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 applications with higher torque and horsepower
  • COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
  • CORROSION PROTECTION – Exclusive MICRO SHIELD coating protects against rust and corrosion
  • GREASEABLE DESIGN – Bearing cups feature a radial design to allow 360 Degrees lubricant distribution to all bearing surfaces
  • KEEPS DIRT OUT – Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
  • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
  • STRONG AND DURABLE – Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability
See More

MOOG Driveline Products – Greaseable Super Strength Universal Joint (Part No.270)

Greaseable Super Strength Universal Joint

from

$39.99
Backed by superior materials and rigorous testing, MOOG Super Strength 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 applications with higher torque and horsepower
  • COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
  • CORROSION PROTECTION – Exclusive MICRO SHIELD coating protects against rust and corrosion
  • GREASEABLE DESIGN – Bearing cups feature a radial design to allow 360 Degrees lubricant distribution to all bearing surfaces
  • KEEPS DIRT OUT – Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
  • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
  • STRONG AND DURABLE – Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability
See More

Spicer – Universal Joint, Greaseable S44/3R Series (Part No.5-3147X)

Universal Joint, Greaseable S44/3R Series

from

$36.99
When you see the Spicer name, you know you are buying the highest quality product available. Spicer universal joints are no exception. Dana manufactures a full line of Spicer universal joints that are engineered to ensure longer life for vehicles in a wide variety of applications, from light vehicle to commercial and off-highway.

Product Features:
  • OE engineering and field tested experience is why the Spicer brand is the most trusted in the industry.
  • Forged with high-quality steel, these u-joints are heat treated and case-hardened with precision to specific levels, ensuring optimal strength and durability.
  • The process of precision grinding the seal and bearing surfaces helps to improve the life of the seal and bearing.
  • Zerk allows for lubricating at regular intervals to help extend the life of the part.
See More

MOOG Driveline Products – Greaseable Premium Universal Joint (Part No.434)

Greaseable Premium Universal Joint

from

$34.99
Backed by superior materials and rigorous testing, MOOG Premium universal joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.

Product Features:
  • COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
  • GREASABLE DESIGN – Greasable u-joints allow for new grease to flush out contaminants and moisture
  • KEEPS DIRT OUT – Nitrile rubber grease seals use a compressed double lip design for effective protection against contaminants
  • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
  • STRONG AND DURABLE – Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability
  • Cross forging shape and flash provide easier installation and high strength
See More

Neapco – Universal Joint (Part No.2-4801)

Universal Joint

from

$7.89
Universal Joint
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Neapco – Universal Joint (Part No.2-4800)

Universal Joint

from

$4.59
Universal Joint
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Driveworks – Universal Joint (Part No.DW-235)

Universal Joint

from

$15.99
Driveworks Universal Joints are designed to meet or exceed OE fit, form, and function. These universal joints are set to provide superior quality and easy installation. Driveworks Universal Joints are constructed from quality materials for extended durability. Driveworks Universal Joints are pre-lubricated with premium grease to provide a longer service life. The grease fittings are pre-installed to allow for easy maintenance (where applicable).

Product Features:
  • The cross is hot forged for the higher torque and horsepower
  • The bearing cups are made by cold forging, having higher strength and better rigidity
  • Bearig cups allow 360 lubricant distribution to bearing surfaces, and are precision-ground for maximum load-carrying capabilities
  • Lubrication grooves designed to ensure grease penetration to entire journal and needle bearings
  • Grease fitting in the cross allows for easy maintenance and the flexible use of the whole assembly
  • Snap rings are held to strict tolerances to ensure proper cup position and retention
  • Nitrile rubber seals to optimize grease retention and reduce contamination
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Driveworks – Universal Joint (Part No.DW-270)

Universal Joint

from

$15.99
Driveworks Universal Joints are designed to meet or exceed OE fit, form, and function. These universal joints are set to provide superior quality and easy installation. Driveworks Universal Joints are constructed from quality materials for extended durability. Driveworks Universal Joints are pre-lubricated with premium grease to provide a longer service life. The grease fittings are pre-installed to allow for easy maintenance (where applicable).

Product Features:
  • The cross is hot forged for the higher torque and horsepower
  • The bearing cups are made by cold forging, having higher strength and better rigidity
  • Bearing cups allow 360 lubricant distribution to bearing surfaces, and are precision-ground for maximum load-carrying capabilities
  • Lubrication grooves are designed to ensure grease penetration to entire journal and needle bearings
  • Grease fitting in the cross allows for easy maintenance and the flexible use of the whole assembly
  • Snap rings are held to strict tolerances to ensure proper cup position and retention
  • Nitrile rubber seals to optimize grease retention and reduce contamination
See More

Neapco – Universal Joint (Part No.2-3011)

Universal Joint

from

$4.59
Universal Joint
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Spicer – Universal Joint (Part No.5-1330X)

Universal Joint

from

$40.99
You expect a lot from your vehicle, and Spicer Life Series (SPL) universal joints deliver. SPL universal joints consistently outperform competitors, so you can hit the road or trail with confidence. Check out the difference that SPL universal joints can make in your vehicle, and make sure you are getting the longer life, increased bearing capacity and lower maintenance costs that Spicer Life Series (SPL) can provide.
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MOOG Driveline Products – Greaseable Super Strength Universal Joint (Part No.265)

Greaseable Super Strength Universal Joint

from

$38.99
Backed by superior materials and rigorous testing, MOOG Super Strength® 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 applications with higher torque and horsepower
  • COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
  • CORROSION PROTECTION – Exclusive MICRO SHIELD coating protects against rust and corrosion
  • GREASEABLE DESIGN – Bearing cups feature a radial design to allow 360 Degrees lubricant distribution to all bearing surfaces
  • KEEPS DIRT OUT – Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
  • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
  • STRONG AND DURABLE – Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability
See More

Spicer – Universal Joint, Greaseable 1330-F Spec Series (Part No.5-1204X)

Universal Joint, Greaseable 1330-F Spec Series

from

$36.99
When you see the Spicer name, you know you are buying the highest quality product available. Spicer universal joints are no exception. Dana manufactures a full line of Spicer universal joints that are engineered to ensure longer life for vehicles in a wide variety of applications, from light vehicle to commercial and off-highway.

Product Features:
  • OE engineering and field tested experience is why the Spicer brand is the most trusted in the industry.
  • Forged with high-quality steel, these u-joints are heat treated and case-hardened with precision to specific levels, ensuring optimal strength and durability.
  • The process of precision grinding the seal and bearing surfaces helps to improve the life of the seal and bearing.
  • Zerk allows for lubricating at regular intervals to help extend the life of the part.
See More

Spicer – Universal Joint (Part No.5-7438X)

Universal Joint

from

$45.99
You expect a lot from your vehicle, and Spicer Life Series (SPL) universal joints deliver. SPL universal joints consistently outperform competitors, so you can hit the road or trail with confidence. Check out the difference that SPL universal joints can make in your vehicle, and make sure you are getting the longer life, increased bearing capacity and lower maintenance costs that Spicer Life Series (SPL) can provide.
See More

Yukon Gear – 1310 U/Joint With Zerk Fitting On Cross (Part No.42008)

1310 U/Joint With Zerk Fitting On Cross

from

$44.99
Yukon 1310 U/Joint with zerk fitting on cross. 3.219″ snap ring span, 1.062″ cap diameter. Outside snap ring.

Product Features:
  • Cover gasket
  • Fits 8.2″ in Buick, Oldsmobile and Pontiac
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Most Popular 1979 Mercury Cougar Spindles

Customize your Mercury with 2 Spindles products like Spindle Retainers and Spindle Lock Nut Thrust Washers, all priced under $4.99.

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

$3.49
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. (Part No.618-013.1)

Spindle Washer - I.D. 13/16 In. O.D. 1-21/32 In. Thickness 3/32 In.

from

$4.99
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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Top Picks for 1979 Mercury Cougar Drive Shafts and Axles

Upgrade Mercury Cougars with top-quality Drive Shafts and Axles parts, including 19 OEM and aftermarket selections for your 1979 model.

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

National – Bearing (Part No.M88048)

Bearing

from

$15.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • PREMIUM MATERIALS — Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION — Crowned raceways and rollers for even load distribution
  • OE-STYLE DESIGN — Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE — Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING — Comprehensive testing throughout design and development processes by National engineers for quality you can count on
See More

Yukon Gear – Wheel Lug Stud (Part No.33571)

Wheel Lug Stud

from

$7.99
Wheel Lug Stud

Yukon Gear – C/Clip (Part No.33083)

C/Clip

from

$8.99
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.

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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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

from

$5.99
Product Features:
  • Fits 2010-2014 Ford F150 SVT RAPTOR ONLY
  • Left hand side
  • 31 spline
See More

Yukon Gear – Fill Plug For Ford 9", 1/2" Thread (Part No.33539)

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

from

$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 – 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

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
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.

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
See More

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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Yukon Gear – Ford 9" (3/8" Holes) Torino Design Housing Ends (Part No.32160)

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

from

$279.99
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 other general maintenance items. For all your differential small parts needs, look no further than Yukon.

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 – Yoke for Ford 8.8" Truck Or Passenger with A 1330 U/Joint Size (Part No.41049)

Yoke for Ford 8.8" Truck Or Passenger with A 1330 U/Joint Size

from

$209.99
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.

Product Features:
  • Fits Ford 8.8″
  • 30 spline
  • 1330 u-joint size
  • 3.625″ snap ring span
  • 1.062″ cap diameter
  • Outside snap ring design
  • Strap style
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Yukon Gear – Sealed Axle Bearing (Part No.10057)

Sealed Axle Bearing

from

$132.99
Yukon axle bearing and seal kits are specially designed for each application and use high-quality bearings and seals.

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

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
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 other general maintenance items. For all your differential small parts needs, look no further than Yukon.

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

Yukon Gear – 1.250" Pinion Adaptor Sleeve (Stock Pinion Into Large Support) (Part No.32239)

1.250" Pinion Adaptor Sleeve (Stock Pinion Into Large Support)

from

$74.99
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 other general maintenance items. For all your differential small parts needs, look no further than Yukon.

Product Features:
  • Adapter sleeve
  • Fits Ford 9″
  • Adapts 28 spline pinion into 35 spline pinion support
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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
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 other general maintenance items. For all your differential small parts needs, look no further than Yukon.

Product Features:
  • Adapter washer
  • Fits Ford 9″
  • Adapts 28 spline pinion into 35 spline pinion support
See More

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
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.

Product Features:
  • Axle bearing retainer for Ford 9″
  • Fits small bearing applications
  • 3/8″ bolt holes
  • 3 5/16″ x 2″ bolt pattern
See More

Yukon Gear – Axle Bearing Retainer with Large & Small Bearing, 3/8" Bolt Holes (Part No.33466)

Axle Bearing Retainer with Large & Small Bearing, 3/8" Bolt Holes

from

$22.99
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.

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
See More

Yukon Gear – Model 20 & Model 35 Axle Stud 1/2"-20 X 1.625" Length, 0.620" Dia – Knurl (Part No.33181)

Model 20 & Model 35 Axle Stud 1/2"-20 X 1.625" Length, 0.620" Dia - Knurl

from

$5.99
Model 20 & Model 35 axle stud 0.620″ Dia. Shank.

Product Features:
  • Axle stud for AMC Model 20 and Model 35
  • 1/2″ x 20 thread
  • 0.620″ knurl diameter
  • 1.625″ long
See More

In-Demand Transfer Cases for 1979 Mercury Cougars

Select from 1 premium Transfer Cases parts for your 1979 Mercury Cougar.

Driveworks – Taper Bearing Set (Part No.S-A-18)

Taper Bearing Set

from

$11.49
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

Most Sold 1979 Mercury Cougar Differentials

Explore our best-selling Mercury parts for the 1979 Cougar among 402 OEM and aftermarket options starting from $1.99.

Felpro – Differential Carrier Gasket Oval Shaped 10 Bolt Hole Gasket (Part No.RDS 55074)

Differential Carrier Gasket Oval Shaped 10 Bolt Hole Gasket

from

$9.99
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.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Unsurpassed quality you can trust
  • Validated for fit, form and function
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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National – Multi-Purpose Seal (Part No.7044NA)

Multi-Purpose Seal

from

$14.99
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:
  • Design type: spring loaded; multi-lip
  • Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
  • Good low temperature capability
  • Low swell in hydrocarbon fluids
  • Delivers quality and reliable performance for every type of repair
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National – Shaft Repair Sleeve (Part No.99199)

Shaft Repair Sleeve

from

$41.99
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
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Powertrax – Differential Lock Assembly (Part No.9206902800)

Differential Lock Assembly

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.

Product Features:
  • The Power Trax Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Power Trax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.
  • Power Trax lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.
  • Power Trax offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction.
  • Power Trax ia an Extreme Traction System
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National – Bearing Race (Part No.LM102910)

Bearing Race

from

$7.29
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.

Product Features:
  • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION – Crowned raceways for even load distribution
  • OE-STYLE DESIGN – Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
See More

Motive Gear – Differential Pinion Nut (Part No.379570S)

Differential Pinion Nut

from

$6.99
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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Richmond Gear – Differential Ring And Pinion (Part No.49-0027-1)

Differential Ring And Pinion

from

$344.99
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!

Product Features:
  • For over 80-years, the Richmond Double-Diamond logo has represented some of the highest quality gears in the racing industry. Winners Run Richmond!
  • The superior quality of Richmond gearsets is a result of outstanding design, world class manufacturing and an extensive testing process that is performed on all products.
  • Richmond performance gearsets have been winners for decades at: NHRA, NMRA, NMCA, Daytona 500, WISSOTA and U.S. Nationals.
  • Richmond Gear is a leading manufacturer of high performance ring and pinion gearsets and drivetrain components, backed by a two year warranty.
  • Engineered to perform faster and be more reliable, Richmond performance drivetrain products are the result of a continuous research and development program combined with state-of-the-art manufacturing capabilities.
See More

Driveworks – Oil Seal (Part No.S-7044NA)

Oil Seal

from

$6.49
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

Yukon Gear – 3 Qt – 80W90 Conventional Gear Oil with Posi Additive (Part No.15003)

3 Qt - 80W90 Conventional Gear Oil with Posi Additive

from

$57.99
Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials. This kit includes three quarts of oil and a bottle of Yukon Limited Slip Friction modifier that reduces noise and chatter in clutch driven positraction units and limited slip differentials.

Product Features:
  • Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive
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Yukon Gear – 3 Qt – Penzoil 80W90 Conventional Gear Oil (Part No.15002)

3 Qt - Penzoil 80W90 Conventional Gear Oil

from

$44.99
Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials.

Product Features:
  • Includes three quarts of conventional oil
See More

Yukon Gear – Cover Bolt For Ford 7.5", 8.8" & 9.75" (Part No.33554)

Cover Bolt For Ford 7.5", 8.8" & 9.75"

from

$6.99
Yukon 1541H alloy replacement rear axle for Dana 60, 70, and 80, 35 spline. (40″ to 43.5″) Full float axle (8×3.96″ ). Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H alloy rear axles come with a one year warranty against manufacturing defects. This is a full-floating axle.

Product Features:
  • 35 spline
  • 8 x 3.96″ bolt pattern
  • Cut to length design fits 40″-43.5″ applications
  • Fits Dana Spicer 60, 70 and 80
See More

Dorman – Help – Pinion Crush Sleeves (Part No.81056)

Pinion Crush Sleeves

from

$6.49
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.

Product Features:
  • Direct replacement – this differential crush sleeve is designed to match the fit and function of the original sleeve on specified vehicles
  • Required replacement – when servicing the differential
  • 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

Yukon Gear – Copper Washer For Ford 9" & 8" Dropout Housing (Part No.32339)

Copper Washer For Ford 9" & 8" Dropout Housing

from

$5.99
Replacement pinion seal for Dana 25, Dana 27, Dana 30, D36, Dana 44, & Dana 50 .Yukon Mighty seal.

Product Features:
  • Copper washer
  • Fits Ford 8″ and 9″
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National – Shaft Repair Sleeve (Part No.99181)

Shaft Repair Sleeve

from

$37.99
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
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Yukon Gear – Crush Sleeve (Part No.33085)

Crush Sleeve

from

$9.99
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.

Product Features:
  • Crush sleeve for AMC Model 20, Ford 10.25″, 10.5″, 7.5″, 8.8″, 9″ and 9.75″
  • 0.480″ tall
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Yukon Gear – Pinion Gear and Thrust Washer (0.875" Shaft) for 8.8" Ford (Part No.33299)

Pinion Gear and Thrust Washer (0.875" Shaft) for 8.8" Ford

from

$11.99
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.

Product Features:
  • Pinion gear thrust washer for Ford 8.8″
  • 0.875″ diameter cross pin shaft applications only
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Yukon Gear – Outer Oil Slinger For Ford 7.5", 8.8", 9", 10.25" (Part No.33022)

Outer Oil Slinger For Ford 7.5", 8.8", 9", 10.25"

from

$8.99
Replacement outer oil slinger for Ford 7.5″, 8.8″, 9″, 10.25″, Nissan Titan rear, Dana 44 Rubicon & 44 JK non-Rubicon.

Product Features:
  • Outer oil slinger for Ford 10.25″, 7.5″, 8.8″ and 9″ also Jeep JK and Nissan Titan rear
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Yukon Gear – Ford 8" & 9" Standard Open, Ag, & Detroit Locker Ring Gear Bolt (Part No.33058)

Ford 8" & 9" Standard Open, Ag, & Detroit Locker Ring Gear Bolt

from

$5.99
Ford 8″ & 9″ standard Open, AG, & Detroit locker ring gear bolt. 7/16″ head, .925″ long.

Product Features:
  • Ring gear bolt for Ford 8″ and 9″
  • For use with standard open carrier, Auburn Gear limited slip and Detroit Locker
  • 7/16″ head
  • .925″ long
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Yukon Gear – Ford 8" & 9" Standard Open, Ag, & Detroit Locker Ring Gear Bolt (Part No.33043)

Ford 8" & 9" Standard Open, Ag, & Detroit Locker Ring Gear Bolt

from

$5.99
Ford 8″ & 9″ standard Open, AG, & Detroit locker ring gear bolt, 1.0″ long, Ford.

Product Features:
  • Ring gear bolt for Ford 8″ and 9″
  • For use with standard open carrier, Auburn Gear limited slip and Detroit Locker
  • 1.0″ long
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Yukon Gear – Ford 7.5" & 8.8" Ring Gear Bolt, Standard Open & Tracloc (Part No.33053)

Ford 7.5" & 8.8" Ring Gear Bolt, Standard Open & Tracloc

from

$5.99
Ford 7.5″ & 8.8″ ring gear bolt, standard Open & TracLoc. 7/16″ x 20.

Product Features:
  • Ring gear bolt for Ford 7.5″ and 8.8″
  • 7/16″ x 20
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Yukon Gear – Ford 8" & 9" Tracloc Ring Gear Bolt (Part No.33044)

Ford 8" & 9" Tracloc Ring Gear Bolt

from

$4.99
Ford 8″ & 9″ TracLoc ring gear bolt, 1-1/4″ long.

Product Features:
  • Ring gear bolt for Ford 8″ and 9″
  • For use with Trac Loc limited slip
  • 1.25″ long
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Motive Gear – Ring Gear Bolt (Part No.D8OZ4216B)

Ring Gear Bolt

from

$1.99


Product Features:
  • BOLT 9″ FORD OPEN R.G. SAME AS M-4216A200
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Yukon Gear – Pinion Nut (Part No.33154)

Pinion Nut

from

$7.99
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.

Product Features:
  • Pinion nut for Ford 7.5″, 8″ and 9″
  • 3/4″ x 20 thread
  • 1 1/6″ socket
See More

USA Standard Gear – Differential Spider Gear Kits (Part No.39016)

Differential Spider Gear Kits

from

$209.99
Product Features:
  • Spider gear kit
  • Fits Ford 8.8″ 31 spline open differential
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
See More

Top-Rated Drivetrains Brands For Your 1979 Mercury Cougar

Shop for the best-rated brands offering Drivetrains and other products for your 1979 Mercury Cougars. Below you’ll find some of our best rated Drivetrains from Spicer, Moog, and National, and more. Drivetrains from these brands that fit a 1979 Cougar start at just $14.99 and are rated as high as 4.6 stars. OEM and aftermarket Drivetrains don’t get more top quality, durable, and affordable than from the brands below.

Popular Spicer 1979 Mercury Cougar Drivetrains

When it comes to maintaining or upgrading your 1979 Mercury Cougar, using quality Drivetrains is essential to ensure durability and a perfect fit. Spicer ticks all of those boxes. We offer a wide selection of Spicer Drivetrains, specifically designed for the 1979 Mercury Cougar. With over 3 Spicer brand Drivetrains in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $36.99, with an average price of just $42.99. Plus, with over 13 customer reviews and an average rating of 4.6 stars, you can trust that our Spicer Drivetrains will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
Universal Joint, Greaseable 1330 Series OSR
from $42.99
(5)
Universal Joint, Greaseable 1330 Series OSR
“I changed my Ford Expedition’s stock non greaseable universal joints at 213K miles. There was noticeable vibration. The Spicers fit well and have t”
Universal Joint, Greaseable S44/3R Series
from $36.99
(5)
Universal Joint, Greaseable S44/3R Series
“Easy to use”
Universal Joint
from $48.99
(3)
Universal Joint
“Worked fine. Good service. They only pulled 1 part but the counter person went back retrieved what was necessary and completed the order quickly.”

Popular Moog 1979 Mercury Cougar Drivetrains

Moog auto parts is one of the highest quality Drivetrain brands in the market. Any 1979 Mercury Cougar owner should feel confident when installing genuine Moog parts in their vehicle. To ensure the best fit and performance for your 1979 Cougar, Advance Auto Parts carries a full inventory of 3 Moog Drivetrains. Plus you will be keeping your Mercury in peak condition while saving money because prices on these Moog Drivetrains range from $25.99 to $42.99, plus, with more than 234 customer reviews and an impressive 4.5 stars average rating, you can be confident the Fram Drivetrains below will deliver on both quality and value.
Greaseable Premium Universal Joint
from $42.99
(89)
Greaseable Premium Universal Joint
“good produce no problems”
Greaseable Premium Universal Joint
from $34.99
(143)
Greaseable Premium Universal Joint
“Good fit”
Universal Joint U-Bolt Kit
from $25.99
(2)
Universal Joint U-Bolt Kit
“quality product”

FAQs for 1979 Mercury Cougar Drivetrains

Which Drivetrains are best-sellers for 1979 Mercury Cougars?

Out of 462 Drivetrains that fit 1979 Mercury Cougars, the following parts are the top sellers:

What’s the price range for 1979 Mercury Cougar Drivetrains?

Drivetrain prices for the 1979 Mercury Cougar start at $1.99 and go up to $1,211.99 for the most premium parts.

What’s the average price of a Drivetrain for a 1979 Mercury Cougar?

The average price for Drivetrains for the 1979 Mercury Cougar is $231.89. Keep in mind the variety of part types within our Drivetrain category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Drivetrains for other Mercury Cougar model years?

Yes, we currently carry Drivetrains for 33 model years of Mercury Cougars between 1967 and 2002. Drivetrains are bought most frequently for the following model years: 2002, 2001, 2000, 1999, 1997, 1996, 1995, 1994, and 1993.

What are the cheapest Drivetrains for my 1979 Mercury Cougar?

The cheapest 1979 Mercury Cougar Drivetrains we carry in stock are:

What are the top-rated Drivetrains that fit the 1979 Mercury Cougar?

Out of 2,472 reviews by customers, our 1979 Mercury Cougar Drivetrains have an average customer rating of . These are some of the highest-rated Drivetrain types for the 1979 Mercury Cougar and their top-rated products:

What types of Drivetrains do you sell for my 1979 Mercury Cougar?

Can I get help with 1979 Mercury Cougar Drivetrain orders?

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

What is your return policy for Mercury Cougar Drivetrains?

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