Mercury Cougar Differentials

Your One-Stop Shop For Trusted Mercury Cougar Differentials

If you’re in search of Mercury Cougar Differentials aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 604 Differentials from top brands with prices ranging from $1.29 to $1,211.99.

Beyond great prices, we stock trusted brands manufacturing all types of Differentials for your Mercury Cougar.

And don’t forget to read customer reviews across all Differentials categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Differentials have to cost top dollar, and we prove it. Browse our top Mercury Cougar Differentials below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential Mercury Cougar Differentials

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

8.5" & 8.2" GM Carrier Installation Kit

from

$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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FAG US – Bearing – CRB (Cylindrical Roller Bearing) (Part No.FC67147)

Bearing - CRB (Cylindrical Roller Bearing)

from

$43.99
We develop and produce high-quality roller bearings, spherical bearings, and plain bearings worldwide for a wide range of applications.

Product Features:
  • High-precision and High-quality components used in all KITs
  • Coverage of classic and new high-tech solutions for the best system coverage
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Yukon Gear – Dura Grip Case For Ford 8.8", 31 Spline (Part No.20073)

Dura Grip Case For Ford 8.8", 31 Spline

from

$386.99
Product Features:
  • Dura Grip positraction carrier case
  • Does not include spider gears
  • Fits Ford 8.8″ with 31 spline axles
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Yukon Gear – 8" Ford Pilot Bearing Retainer (Part No.33254)

8" Ford Pilot Bearing Retainer

from

$13.99
8″ Ford pilot bearing retainer.

Product Features:
  • Pilot bearing retainer for Ford 8″
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Richmond Gear – MiniSpool (Part No.78-8831-1)

MiniSpool

from

$151.99
MiniSpool

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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Yukon Gear – Pinion Nut (Part No.33154)

Pinion Nut

from

$7.99
Pinion nut for Ford 7.5″, 8″, 8.8″, 9 3/8″ & 9″. 1 1/6″ socket, 3/4″ x 20 thread.

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 – Trac Loc Friction Plate, 4 Tab (Part No.16177)

Trac Loc Friction Plate, 4 Tab

from

$21.99
Product Features:
  • Friction plate
  • Fits Ford 8″ and 9″ Trac Loc positraction
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Yukon Gear – Flat Side Gear Without Hub For 9" Ford With 31 Splines (Part No.16162)

Flat Side Gear Without Hub For 9" Ford With 31 Splines

from

$46.99
Flat side gear without hub for 9″ Ford with 31 splines.

Product Features:
  • Side gear without hub
  • Fits Ford 8″ and 9″ Trac Loc positraction with 31 spline axles
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Dorman – Differential Pinion Yoke Assembly (Part No.697-530)

Differential Pinion Yoke Assembly

from

$137.99
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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USA Standard Gear – Master Overhaul Kit for the Ford 8" Differential w/ HD Posi (Part No.37029)

Master Overhaul Kit for the Ford 8" Differential w/ HD Posi

from

$249.99
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″ with aftermarket positraction
  • 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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Yukon Gear – Extra HD 3.250" Nodular Iron Dropout For Ford 9" With Load Bolt (Part No.32151)

Extra HD 3.250" Nodular Iron Dropout For Ford 9" With Load Bolt

from

$877.99
Yukon Extra HD 3.250″ nodular Iron dropout for Ford 9″ with load bolt. Yukon nodular iron dropouts feature a 5/8″ cap bolt and forged caps for maximum strength. Load bolt design prevents gear deflection under heavy loads. Rated up to 1400HP!

Product Features:
  • Fits Ford 9″
  • 3.250″ carrier race diameter
  • Nodular iron for added strength
  • Load-bolt design reduces ring gear deflection under high horsepower
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Yukon Gear – Trac Loc Clutch Guide For 9" Ford (Part No.33250)

Trac Loc Clutch Guide For 9" Ford

from

$4.99
Trac Loc clutch guide for 9″ Ford.

Product Features:
  • Clutch guide
  • Fits Ford 8″ and 9″
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National – Shaft Repair Sleeve (Part No.99157)

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
  • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
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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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Pro-King – Differential Internal Nest Kit (Part No.762B717A)

Differential Internal Nest Kit

from

$99.99
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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Powertrax – Lock Right Locker (Part No.1821-LR)

Lock Right Locker

from

$441.99
The Powertrax Lock-Right ultra-strength alloy locker’s straight-line performance is equal to a solid spool, but automatically unlocks in turns. Best suited for extreme off-road to severe on-road use, Powertrax Lock Right lockers replace the spider gears in your open differential carrier using basic tools and without affecting your ring and pinion settings. The whole job can be done in your driveway in a couple of hours, pin included! 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!The Powertrax® Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Powertrax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.
  • Powertrax® lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.
  • Powertrax® 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.
  • Powertrax® = Extreme Traction Systems!
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    Motive Gear – Differential Gear Install Kit (Part No.F8.8IK)

    Differential Gear Install Kit

    from

    $35.99


    Product Features:
    • MINI INSTALL KIT FORD 8.8
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    Yukon Gear – Pinion Install Kit For Ford Daytona 9" Differential (Part No.13048)

    Pinion Install Kit For Ford Daytona 9" Differential

    from

    $294.99
    Yukon Pinion installation kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings & races can be reused. This kit uses Timken bearings and races along with a high quality pinion seal and small parts. Included in this kit are the pinion bearings and races, pilot bearing (if applicable), crush sleeve (if applicable), complete pinion shim kit, pinion nut, thread locker, and marking compound with brush. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your pinion gear.

    Product Features:
    • Fits Ford 9″ with Daytona pinion support
    • Included are pinion bearings and races, pinion seal, pinion nut, crush sleeve, complete pinion shim kit, and marking compound with brush.
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    Yukon Gear – Pilot Bearing For Ford 8" (Part No.18043)

    Pilot Bearing For Ford 8"

    from

    $40.99
    9.25 Chrysler FRONT PINION KIT , 03 & UP DODGE TRUCK .

    Product Features:
    • Pilot bearing
    • Fits Ford 8″
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    Motive Gear – Differential Spool (Part No.FS9-28LW)

    Differential Spool

    from

    $149.99


    Product Features:
    • FULL SPOOL 9″, 28 SPL. LIGHTWEIGHT
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    Motive Gear – Differential Lock Thrust Block (Part No.D3SZ4211A)

    Differential Lock Thrust Block

    from

    $47.49
    Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.
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    Yukon Gear – Positraction Shim Kit (18 Shims) For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron ‘Vette (Part No.16042)

    Positraction Shim Kit (18 Shims) For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron 'Vette

    from

    $41.99
    Product Features:
    • Shim kit
    • Fits Ford 8.8″, 1963-1979 Corvette, GM 12 bolt passenger car and truck, 8.2″, 8.5″ and 8.6″ Dura Grip positraction
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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
    3.062″ side adjuster, Only Fits Yukon Ford 9″ Drop Out, new design ONLY.

    Product Features:
    • Side adjuster
    • Fits Ford 9″
    • 3.062″ designs only
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    USA Standard Gear – Standard Spider Gear Set For Ford 8.8", 28 Spline (Part No.39015)

    Standard Spider Gear Set For Ford 8.8", 28 Spline

    from

    $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.
    See More

    Mercury Cougar Differentials List

    Differentials Brands You Can Trust For Your Mercury Cougar

    18 trusted brands of Differentials line our shelves, ready to help keep your Mercury Cougar running smooth. Below are some of the most popular brands and their top Differentials offerings:

    Popular Powertrax Differentials

    Powertrax products for the Mercury Cougar span several categories. Some of the highest-rated Powertrax Differentials that will fit your Mercury Cougar are:
    No-Slip Traction System
    from $551.99
    (1)
    No-Slip Traction System
    Differential Open Unit and Components
    Lock Right Locker
    from $444.99
    (1)
    Lock Right Locker
    Complete Differentials

    Most Purchased Mercury Cougar Differentials from Royal Purple

    When you buy the most frequently purchased Royal Purple brand Differentials, you can be confident it will be the right part for your Mercury Cougar. Here are the Royal Purple Differentials Advanced Auto customers buy the most:

    FAQs for Mercury Cougar Differentials

    What are the most purchased Differentials for the Mercury Cougar?

    Out of 604 Differentials for the Mercury Cougar, the most popular in our inventory are:
    DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart
    from $11.99
    This product is not rated
    DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart
    Differential Oil
    Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-90, 1 Quart
    from $18.99
    This product is not rated
    Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-90, 1 Quart
    Differential Oil

    What are the top-rated Mercury Cougar Differentials?

    Top-rated Differentials for your Mercury Cougar based on customer reviews/ratings are:
    Axle Housing Cover Gasket Rectangular Shaped, 10 Bolt Hole Gasket
    from $15.99
    (121)
    Axle Housing Cover Gasket Rectangular Shaped, 10 Bolt Hole Gasket
    “Getting the parts were cheaper than the competition and fast easy help!”
    Multi-Purpose Bearing
    from $16.99
    (39)
    Multi-Purpose Bearing
    “Great bearings”
    Multi-Purpose Bearing
    from $13.79
    (17)
    Multi-Purpose Bearing
    “Good quality product”