1984 Mercury Cougar Differentials

Name: Crush Sleeve Eliminator Kit For Ford 9"
Brand: Yukon Gear
SKU: 55041
Price: 68.99 USD

Find your specific 1984 Mercury Cougar original or aftermarket Differentials below. Order your parts online and have delivered to your home or pick up in-store at Advance Auto.

Essential 1984 Mercury Cougar Differentials

from

$68.99

9″ Ford 2 piece solid preload pinion spacer, Daytona or standard.

Product Features:

Crush sleeve eliminator kit for Ford 9″ with 28 spline pinion

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$789.99

The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence & performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction. The Yukon Dura Grip uses a nodular case and forged 4320 in

Product Features:

Fits Ford 7.5″
28 spline
4-spring, clutch style positraction
Internal gears are manufactured using forged 4320 steel and cut to provide stronger teeth
Fully rebuildable
Assembled in the USA

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$111.99

Product Features:

INT KT 8″ AND 9″ OPEN 28 SPL FRD

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$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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$275.99

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 8″
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, thread locker, marking compound with brush and gasket.

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$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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$239.99

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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$109.99

Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for GM 8.2″ & 8.5″ differential. This kit contains carrier bearings, races and shims.

Product Features:

Fits GM 7.5″, 7.625″ 8.2″ and 8.5″
Includes carrier bearings and races and “super” carrier shim kit

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$8.99

Product Features:

Trac Loc spring for Ford 8″ and 9″

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$46.49

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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$409.99

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 the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up. All Yukon ring & pinion sets come standard with a one-year warranty.

Product Features:

Fits Ford 9″
9.00″ ring gear diameter
28 spline pinion
10 ring gear bolts
5.43 ratio

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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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$26.99

Pinion depth shim kit 9″ Ford.

Product Features:

Pinion depth shims for Ford 9″

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$14.49

Valvoline DEXRON-VI/MERCON LV ATF is a full-synthetic transmission fluid formulated with advanced additive technology to meet and exceed the requirements of the General Motors DEXRON-VI specification. It is officially licensed and approved by GM and is fully back-serviceable and can be used wherever DEXRON-II and/or DEXRON-III are recommended. Recommended for use in the following applications: DEXRON-VI, DEXRON-III, DEXRON-II, and Allison C-4.

Product Features:

Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions
Enhanced anti-shudder protection for smooth shifting and maximum power transfer
Developed with anti-wear technology to help improve transmission durability
Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures

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$26.99

9″ Ford Spartan locker cross pin, short.

Product Features:

USA Standard Gear heavy-duty cross pin shaft
Fits Ford 9″
Works with Spartan Locker or standard open spider gears
Short shaft for four pinion designs

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$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 uses 8620 internals and a patented design to provide maximum strength and reduce common failures. Assembled in the USA! This unit has been approved for competition in NASCAR National & Touring series. 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 31 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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$215.99

Bearing race driver. No return.

Product Features:

Bearing race driver
Fits M802011 race
All steel construction

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$209.99

Product Features:

Spider gear kit
Fits Ford 8.8″ 28 spline open differential
Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.

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$59.99

Product Features:

Super carrier shim kit for Ford 8.8″, GM 12 bolt passenger car and truck, GM 8.0″, 8.6″, 8.6″ IRS and 1963-1979 Corvette
Interlocking design makes installation much easier

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$23.79

CONE

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$15.79

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

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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$2.79

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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$143.99

The Motive Gear replacement axle shaft offers an OE-quality axle shaft at a fraction of the OE cost. Manufactured from 1541H material on high-tolerance CNC equipment, this axle shaft is designed to provide a perfect fit every time.

Product Features:

AXLE SHAFT 8.8″ 28 SPL. 29 1/4″ 79-93 MUSTANG L & R

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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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$38.99

8.6″ GM 99-08 PINION Bearing & SEAL KIT .

Product Features:

Pilot bearing
Fits Ford 9″
0.656″ thick

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$774.99

Yukon Trac Loc positraction, Ford 8.8″, 31 spline, with Carbon Fiber clutches.

Product Features:

Trac Loc positraction carrier case
Includes spider gears
Fits Ford 8.8″ with 31 spline axles
Carbon fiber clutches

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$45.99

from

$10.49

Product Features:

SOLID SPACER FORD 8.8″ & 9″

Popular 1984 Mercury Cougar Differentials Categories

Differential Oil

Rear Differential Cover Gaskets

Differential Open Unit and Components

Differential Covers

Differential Pinion Shaft Lock Bolts

Differential Bearings

Differential Axle Shafts

Differential Pinion Pilot Bearings

Differential Cover Bolts

Differential Carriers

Differential Bearing Kits

Front Differential Pinion Bearings

Differential Spider Gear Kits

Differential Rebuild Kits

Differential Carrier Shim Kits

Differential Pinion Seals

Differential Disc Kits

Differential Clutch Packs

Differential Ring and Pinions

Differential End Yokes

Differential Spools

Differential Carrier Bearings

Differential Lock Springs

Rear Housing Cover Gaskets

Differential Pinion Bearing Kits

Complete Differentials

Differential Ring Gear Bolts

Bearing Race Drivers

Differential Carrier Bearing Shims

Differential Crush Sleeves

Differential Side Bearing Spacers

Differential Pinion Shims

Differential Pinion Shaft Nuts

Differential Gear Install Kits

Differential Cross Pins

Differential Side Gear Thrust Washers

Differential Pinion Gear Thrust Washers

Differential Drive Pinion Oil Deflectors

Auxiliary Shaft Bearings

Limited Slip Differential Assemblies

Differential Spider and Pinion Gear Kits

Differential Pinion Bearing Spacers

Maybe you’re in the middle of a full rebuild of that 1984 Mercury Cougar. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 171 different Differentials in our inventory ranging from $0.99 to $1,566.99. That means you can find the exact parts or products you need to keep that 1984 Mercury Cougar running smoothly.

Differentials are only as good as their brand. We stock 14 different brands to make sure you have plenty of trusted parts to choose from for your 1984 Mercury Cougar. Yukon Gear, Dorman, and National are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Differentials for your 1984 Mercury Cougar, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 120 reviews in this category, some of the top rated parts include Differential Master Bearing Kit – Koyo with 5.0 stars and Differential Pinion Shim Kit with 5.0 stars.

So if you’re in the market for aftermarket Differentials to keep your 1984 Mercury Cougar rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Differentials Brands To Make Your 1984 Mercury Cougar Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1984 Mercury Cougar demands trusted brand parts and products to keep it running. Many trusted brands of Differentials make up Advance Auto Parts’ inventory, and all are ready to help make your Cougar the best it can be. Be sure to browse some of our top Differentials brands and parts.

Popular Powertrax Differentials

We carry Powertrax parts in our stock across Complete Differentials categories, plus more. For a 1984 Mercury Cougar, our most popular Powertrax Differentials include:

from $444.99

(1)

Lock Right Locker

Complete Differentials

Top 1984 Mercury Cougar Differentials from Felpro

Felpro products are another trusted brand when it comes to Differentials for your 1984 Mercury Cougar. Popular Felpro parts include:

from $6.49

(13)

Differential Cover Gasket

Rear Differential Cover Gaskets

from $15.79

(3)

Differential Cover Gasket

Rear Housing Cover Gaskets

FAQs for 1984 Mercury Cougar Differentials

What are the most purchased Differentials for the 1984 Mercury Cougar?

Out of 171 Differentials for the 1984 Mercury Cougar, the most popular in our inventory are:

from $57.99

This product is not rated

3 Qt – 80W90 Conventional Gear Oil With Posi Additive

Differential Oil

from $23.99

(7)

Bearings

Front Differential Pinion Bearings

from $5.99

(11)

Differential Shaft Lock Bolt

Differential Pinion Shaft Lock Bolts

What are the top-rated 1984 Mercury Cougar Differentials?

Top-rated Differentials for your 1984 Mercury Cougar based on customer reviews/ratings are:

from $112.99

(1)

Differential Master Bearing Kit – Koyo

“perfect product”

from $7.49

(1)

Differential Pinion Shim Kit

“good product”

from $6.49

(1)

Differential Pinion Nut

“If a pinion nut is ever removed from the pinion shaft, it is recommended NOT to reuse it. Replace it with a BRAND NEW nut, even if the old nut is rel”

1984 Mercury Cougar Differentials

More 1984 Mercury Cougar Differentials

Essential 1984 Mercury Cougar Differentials

Yukon Gear – Crush Sleeve Eliminator Kit For Ford 9" (Part No.55041)

Yukon Gear – Dura Grip For Ford 7.5" (Part No.26034)

Motive Gear – Differential Carrier Gear Kit (Part No.F9-IO28)

Yukon Gear – Outer Oil Slinger For Ford 7.5", 8.8", 9", 10.25" (Part No.33022)

USA Standard Gear – Master Overhaul Kit for the Ford 8" Differential (Part No.37028)

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

Pro-King – Differential Internal Nest Kit (Part No.762B717)

Yukon Gear – 8.5" & 8.2" GM Carrier Installation Kit (Part No.57008)

Yukon Gear – Trac Loc Spring For Ford 9" & 8" (Part No.33518)

Motive Gear – Differential Gear Install Kit (Part No.F9IKN)

Yukon Gear – High Performance Ring & Pinion Gear Set For Ford 9" In A 5.43 Ratio (Part No.24388)

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

Yukon Gear – Pinion Depth Shims For Ford 9" (Part No.55056)

Valvoline – DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.822405)

USA Standard Gear – 9" Ford Spartan Locker Cross Pin, Short (Part No.17022)

Yukon Gear – Grizzly Locker For Ford 9" With 31 Spline Axles, Fits Load Bolt Housing (Part No.28033)

Yukon Gear – Bearing Race Driver (Part No.56020)

USA Standard Gear – Standard Spider Gear Set For Ford 8.8", 28 Spline (Part No.39015)

Yukon Gear – Super Carrier Shim Kit For Ford 8.8", GM 12 Bolt Car & Truck, 8.6 & Vette (Part No.55002)

FAG US – CONE (Part No.KLM603049)

Felpro – Differential Cover Gasket (Part No.RDS 55081)

Pro-King – Differential Cross Shaft (Part No.742G930)

Motive Gear – Axle Shaft (Part No.MG1231)

Pro-King – Differential Bearing Cup (Part No.742G256)

Yukon Gear – Pilot Bearing For Ford 9" (Part No.18042)

Yukon Gear – Trac Loc Positraction, Ford 8.8", 31 Spline, With Carbon Fiber Clutches (Part No.20130)

Motive Gear – Differential Pinion Solid Spacer Kit w/Shims (Part No.SS9)

Motive Gear – Differential Pinion Solid Spacer Kit w/Shims (Part No.4104)

Popular 1984 Mercury Cougar Differentials Categories