1997 Mercury Cougar Differentials

Keep Your 1997 Mercury Cougar in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1997 Mercury Cougar looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Covers, Rear Housing Cover Gaskets, and Differential Bearings. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Differentials from Trusted Brands

Looking for a reliable Differential? We’ve got you covered with options from brands you know and trust like Motive Gear, National, and Valvoline. For example, Motive Gear Differentials start at just $7.99 with an average 4.0 star rating. National and Valvoline offer similar pricing and quality, backed by strong customer feedback. With over 88 reviews and a solid 4 star average, you can shop with confidence knowing other Mercury Cougar owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1997 Mercury Cougar Differential at Advance Auto Parts is around $195.64, with a range that starts at $1.29 and goes up to $1,115.99. With 158 options in stock from 15 trusted brands, finding the right fit is easy. Popular picks like DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart, DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart, and Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-90, 1 Quart start at just $11.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Differential, don’t forget to check out other key components like Drive Shafts and Axles and Universal Joints. At Advance Auto Parts, we’re here to help you keep your 1997 Mercury Cougar in peak condition, inside and out.

Essential 1997 Mercury Cougar Differentials

Yukon Gear – Pinion Install Kit For Ford 8.8" Differential (Part No.13041)

Pinion Install Kit For Ford 8.8" Differential

from

$167.99
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 2009 and down Ford 8.8″
  • Included are pinion bearings and races, pinion seal, crush sleeve , complete pinion shim kit, and marking compound with brush.
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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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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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Dorman – Differential Pinion Yoke Assembly (Part No.697-532)

Differential Pinion Yoke Assembly

from

$194.99
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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Valvoline – Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-90, 1 Quart (Part No.889785)

Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-90, 1 Quart

from

$18.99
We’ve squeezed innovation into every ounce of Valvoline FlexFill SAE 75W-90 Full Synthetic Gear Oil, the ultimate gear protection in hypoid rear differentials and non-synchronized manual transmissions. Our unique new flexible pouch makes getting into the tightest places to lubricate gears easier than ever and with less waste. The superior detergent package-based formulation contains fully synthetic basestocks and special additives that help protect parts from rust and corrosion while providing exceptional high and low temperature protection and excellent thermal stability, especially in demanding driving situations such as towing and off-roading. It contains an extreme pressure additive for better load carrying capacity, wear resistance additives that assist in protecting gear teeth, a limited slip additive for optimal clutch pack performance, and an anti-foaming agent for better lubrication and service life. Valvoline FlexFill SAE 75W-90 Full Synthetic Gear Oil is recommended for use in axle applications requiring factory-fill or drain-and-fill levels for limited slip performance.

Product Features:
  • FLEXIBLE POUCH FOR EASIER USE WITH LESS WASTE in tight, hard to reach undercarriage situations.
  • EXCEPTIONAL HIGH AND LOW TEMPERATURE PROTECTION ranging from -30F to 300F degrees for dependable coverage year-round
  • REDUCES CHATTERING AND PROTECTS GEAR TEETH from oxidation, rust, and wear
  • MEETS THE DEMANDS OF CONVENTIONAL AND LIMITED SLIP REAR DIFFERENTIALS where API GL-5 is specified, as well as non-synchronized manual transmissions that require API GL-4 or MT-1 fluid
  • MEETS OR EXCEEDS PERFORMANCE REQUIREMENTS for Mack GO-H and GO-J; API GL-5 and API MT-1; MIL-PRF-2105E; and SAE J2360
See More

Yukon Gear – Minor Install Kit For Ford 9" Differential (Part No.12036)

Minor Install Kit For Ford 9" Differential

from

$54.99
Yukon Minimum installation kits are a low cost solution for gear changes in newer vehicles where the bearings can be reused. This kit uses all high quality components to ensure a smooth set up. kit includes a pinion seal, crush sleeve (if applicable), marking compound and brush.

Product Features:
  • Fits Ford 9″
  • Included are a pinion seal, crush sleeve , complete shim kit, marking compound and brush.
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Pro-King – Differential Internal Nest Kit (Part No.762B717)

Differential Internal Nest Kit

from

$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.
See More

Driveworks – Taper Bearing Cup (Part No.S-LM-501314)

Taper Bearing Cup

from

$7.99
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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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 – High Performance Ring & Pinion Gear Set For Ford 9" In A 3.89 Ratio (Part No.24107)

High Performance Ring & Pinion Gear Set For Ford 9" In A 3.89 Ratio

from

$404.99
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
  • 3.89 ratio
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Motive Gear – Differential Carrier Shim Kit (Part No.1101)

Differential Carrier Shim Kit

from

$8.99
High-quality Differential Carrier Shim Kit

Product Features:
  • CARRIER SHIMS 12 BOLT GM CAR & TRUCK ALSO GM8.6″ 99-ON
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Yukon Gear – 8.8" Ford Tracloc Clutch Set, Both Sides (Part No.16017)

8.8" Ford Tracloc Clutch Set, Both Sides

from

$207.99
8.8″ Ford TracLoc (with long ears–for early models only) clutch set, both sides.

Product Features:
  • Clutch kit
  • Fit Ford 8.8″ Trac Loc positraction
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Yukon Gear – 8.8" Ford 7/8" Diameter Notched Cross Pin Shaft (.875" For ’86 And Newer) (Part No.33434)

8.8" Ford 7/8" Diameter Notched Cross Pin Shaft (.875" For '86 And Newer)

from

$57.99
8.8″ Ford 7/8″ diameter Notched cross pin shaft (.875″ for ’86 and newer). This cross pin shaft is not compatible with Powertrax Lock Rights or Spartan Lockers.

Product Features:
  • Notched cross pin shaft for Ford 8.8″
  • 0.875″ diameter
  • Not compatible with Spartan Locker or Powertrax Lock Right
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Yukon Gear – Dana 44, Ford 8" / 9", And Model 20 Side Gear Thrust Washer Replacement (Part No.33283)

Dana 44, Ford 8" / 9", And Model 20 Side Gear Thrust Washer Replacement

from

$5.99
Product Features:
  • Side gear thrust washer for Ford 8″, Ford 9″ and AMC Model 20
  • 0.030″ thick
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Yukon Gear – The Carrier Bearing Puller (Part No.56072)

The Carrier Bearing Puller

from

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

Product Features:
  • Carrier bearing puller
  • Works with an impact gun to safely and easliy remove carrrier bearings
See More

Powertrax – Lock Right Locker (Part No.1822-LR)

Lock Right Locker

from

$371.99
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!
  • See More

    Yukon Gear – Pinion Depth Shims For Ford 8" (Part No.55055)

    Pinion Depth Shims For Ford 8"

    from

    $31.99
    8″ Ford pinion shim kit.

    Product Features:
    • Pinion depth shims for Ford 8″
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    Richmond Gear – MiniSpool (Part No.78-8831-1)

    MiniSpool

    from

    $151.99
    MiniSpool

    Yukon Gear – 7.5" Ford Cover Gasket (Part No.23009)

    7.5" Ford Cover Gasket

    from

    $9.99
    7.5″ Ford cover gasket.

    Product Features:
    • Cover gasket
    • Fits Ford 7.5″
    See More

    Motive Gear – Differential Gear Install Kit (Part No.F9IK)

    Differential Gear Install Kit

    from

    $33.99
    Product Features:
    • MINI INSTALL KIT FORD 9″
    See More

    Yukon Gear – Pinion Gear And Thrust Washer (0.750" Shaft) For 8.8" Ford (Part No.33297)

    Pinion Gear And Thrust Washer (0.750" Shaft) For 8.8" Ford

    from

    $8.99
    Pinion gear thrust washer (0.750″ shaft) for 8.8″ Ford.

    Product Features:
    • Pinion gear thrust washer
    • Fits Ford 8.8″
    • 0.750″ I.D.
    See More

    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
    See More

    Motive Gear – Differential Pinion Seal (Part No.8181NA)

    Differential Pinion Seal

    from

    $9.99
    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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    Pro-King – Differential Cross Shaft (Part No.742G930)

    Differential Cross Shaft

    from

    $2.99
    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.
    See More

    Yukon Gear – Bearing Install Kit For Ford 9" Differential, LM102910 Bearings (Part No.11043)

    Bearing Install Kit For Ford 9" Differential, LM102910 Bearings

    from

    $226.99
    Yukon Bearing installation kits are perfect for shops & builders who have shims on the shelf and are looking to save cost over a Master Overhaul kit. This kit uses carrier bearings & races with an I.D. of 1.780″ and an O.D. of 2.891″. This kit uses Timken bearings and races along with all high quality small parts. kit includes carrier bearings and races, pinion bearings and races, pilot bearing, pinion seal, crush sleeve (if applicable), oil baffles and slingers (if applicable), marking compound and 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 ring & pinion set.

    Product Features:
    • Fits Ford 9″ with LM102910 carrier race
    • Included are carrier bearings and races, pinion bearings and races, pilot bearing, pinion seal, crush sleeve , marking compound and brush.
    See More

    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
    See More

    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
    See More

    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
    See More

    Most Popular Differential Covers for 1997 Mercury Cougars

    Enhance your 1997 Mercury Cougar with one of the 2 Differential Covers we have in stock, starting at just $99.99.

    Yukon Gear – Steel Cover For Ford 8.8" (Part No.32328)

    Steel Cover For Ford 8.8"

    from

    $99.99
    Yukon outer stub axle for Chrysler 9.25″ front. This axle uses a 1485 u/joint and has 33 splines.

    Product Features:
    • Fits Ford 8.8″
    • Steel
    See More

    Yukon Gear – DiffrlCover (Part No.32364)

    DiffrlCover

    from

    $99.99
    DiffrlCover

    Best-Selling 1997 Mercury Cougar Rear Housing Cover Gasket

    Upgrade your Cougar with our best-selling Rear Housing Cover Gasket.

    Felpro – Axle Housing Cover Gasket Round Shaped 10 Bolt Hole Gasket (Part No.RDS 55459)

    Axle Housing Cover Gasket Round 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
    See More

    Top-Quality Differential Bearings for 1997 Mercury Cougars

    Choose a high-quality OEM or aftermarket Differential Bearing for Mercury Cougars and enjoy top-notch performance from $6.99.

    National – Bearing Race (Part No.LM501314)

    Bearing Race

    from

    $9.29
    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

    National – Tapered Roller Bearing Cone (Part No.LM501349)

    Tapered Roller Bearing Cone

    from

    $19.99
    Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.

    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

    FAG US – Cup (Part No.M88010)

    Cup

    from

    $11.29
    With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

    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
    See More

    FAG US – Cup (Part No.LM501310)

    Cup

    from

    $9.99
    With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

    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
    See More

    Yukon Gear – Cross Pin Bolt (Part No.33067)

    Cross Pin Bolt

    from

    $6.99
    Cross pin bolt for Chrysler 8.25″, 9.25″ rear, Ford 7.5″, 8.8″, GM 12 bolt car & truck, 7.2″ IFs, 7.5″, 7.6″, 8.0″, 8.25″ IFS & 8.5″.

    Product Features:
    • Cross pin bolt for Chrysler 8.25″ and 9.25″ rear, Ford 7.5″ and 8.8″, GM 12 botl car and truck, 8.5″, 8.25″ IFS, 8.0″, 7.625″, 7.5″ and 7.2″ IFS
    See More

    Top Picks for 1997 Mercury Cougar Rear Differential Cover Gaskets

    Invest in one of our 3 durable Rear Differential Cover Gaskets for your 1997 Mercury, knowing you’re getting trusted brands and expert craftsmanship.

    Felpro – Axle Housing Cover Gasket Round Shaped 10 Bolt Hole Gasket (Part No.RDS 55460)

    Axle Housing Cover Gasket Round Shaped 10 Bolt Hole Gasket

    from

    $8.99
    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
    • Engineered for the sealing repair environment
    • Validated for fit, form and function
    • Unsurpassed quality you can trust
    See More

    Yukon Gear – 8.8" Ford Cover Gasket (Part No.23011)

    8.8" Ford Cover Gasket

    from

    $12.99
    8.8″ Ford cover gasket.

    Product Features:
    • Cover gasket
    • Fits Ford 8.8″
    See More

    Pro-King – Differential Cover Gasket (Part No.762B303)

    Differential Cover Gasket

    from

    $4.99
    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.
    See More

    Top-Rated Differential Oil for 1997 Mercury Cougars

    Make a smart move for your 1997 Mercury Cougar with products all priced from $10.29 to $148.99.

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

    DEXRON - VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart

    from

    $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
    See More

    Valvoline – DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart (Part No.798153)

    DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart

    from

    $11.99
    Valvoline DEX/MERC ATF is a high-quality transmission fluid formulated to meet the challenging demands of many automatic transmissions. Its responsive low-temperature fluidity is beneficial in both electronic and hydraulic controlled transmissions and transaxles. Recommended for use in the following applications: MERCON*, DEXRON*-III, Ford M2C138-CJ and M2C166-H, Allison C-4 and TES-389, and Caterpillar TO-2.

    Product Features:
    • Formulated with premium 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
    See More

    Valvoline – Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-90, 1 Quart (Part No.889785)

    Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-90, 1 Quart

    from

    $18.99
    We’ve squeezed innovation into every ounce of Valvoline FlexFill SAE 75W-90 Full Synthetic Gear Oil, the ultimate gear protection in hypoid rear differentials and non-synchronized manual transmissions. Our unique new flexible pouch makes getting into the tightest places to lubricate gears easier than ever and with less waste. The superior detergent package-based formulation contains fully synthetic basestocks and special additives that help protect parts from rust and corrosion while providing exceptional high and low temperature protection and excellent thermal stability, especially in demanding driving situations such as towing and off-roading. It contains an extreme pressure additive for better load carrying capacity, wear resistance additives that assist in protecting gear teeth, a limited slip additive for optimal clutch pack performance, and an anti-foaming agent for better lubrication and service life. Valvoline FlexFill SAE 75W-90 Full Synthetic Gear Oil is recommended for use in axle applications requiring factory-fill or drain-and-fill levels for limited slip performance.

    Product Features:
    • FLEXIBLE POUCH FOR EASIER USE WITH LESS WASTE in tight, hard to reach undercarriage situations.
    • EXCEPTIONAL HIGH AND LOW TEMPERATURE PROTECTION ranging from -30F to 300F degrees for dependable coverage year-round
    • REDUCES CHATTERING AND PROTECTS GEAR TEETH from oxidation, rust, and wear
    • MEETS THE DEMANDS OF CONVENTIONAL AND LIMITED SLIP REAR DIFFERENTIALS where API GL-5 is specified, as well as non-synchronized manual transmissions that require API GL-4 or MT-1 fluid
    • MEETS OR EXCEEDS PERFORMANCE REQUIREMENTS for Mack GO-H and GO-J; API GL-5 and API MT-1; MIL-PRF-2105E; and SAE J2360
    See More

    Yukon Gear – Redline Synthetic "Shock Proof" Oil With Positraction Additive – 4 Quarts (Part No.15005)

    Redline Synthetic "Shock Proof" Oil With Positraction Additive - 4 Quarts

    from

    $148.99
    Redline Synthetic “Shock Proof” Oil with positraction Additive. 4 Quarts.

    Product Features:
    • Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive
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    Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)

    Redline Synthetic "Shock Proof" Oil - 3 Quarts

    from

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

    Product Features:
    • Includes three quarts of Redline Shockproof oil
    See More

    Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)

    Redline Synthetic "Shock Proof" Oil - 4 Quarts

    from

    $137.99
    Redline Synthetic “Shock Proof” Oil. 4 Quarts.

    Product Features:
    • Includes four quarts of Redline Shockproof oil
    See More

    Idemitsu – Type HP Automatic Transmission Fluid , 1 Quart (Part No.10107-042F)

    Type HP Automatic Transmission Fluid , 1 Quart

    from

    $10.29
    Formulated to meet the specific requirements of Subaru vehicles equipped with conventional (non-CVT) transmissions up to model year 2005. Recommended for service-fill in all Subaru automatic transmissions where SUBARU ATF HP is specified. Fuel economy demands and more sophisticated electronic controls have made automatic transmissions not only more complex, but also unique to each vehicle manufacturer. Long gone are the days of having just a couple choices of automatic transmission fluid type. Idemitsu is the factory fill Automatic Transmission Fluid (ATF) supplier to most Asian imports. Idemitsu application-specific ATF products match the exact friction materials and performance requirements of each different vehicle model for which they are made.

    Product Features:
    • Excellent resistance to oxidation and thermal breakdown provide long fluid life and extended protection
    • Precisely engineered frictional characteristics guarantee smooth shifting and outstanding anti-shudder performance
    • Excellent resistance to oxidation and thermal breakdown provide long fluid life and extended protection
    • Excellent seal compatibility and conditioning reduces risk of fluid leaks due to seal shrinkage, hardening and cracking
    • Advanced anti-wear technology provides maximum protection to gears and bearings
    • Precisely engineered frictional characteristics guarantee smooth shifting and outstanding anti-shudder performance
    • Provides superior cleanliness, maintaining the transmission free of sludge and varnish deposits
    • Excellent seal compatibility and conditioning reduces risk of fluid leaks due to seal shrinkage, hardening and cracking
    • Advanced anti-wear technology provides maximum protection to gears and bearings
    See More

    Top-Rated Differential Brands For Your 1997 Mercury Cougar

    When it comes to finding the perfect Differential for your 1997 Mercury Cougar, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 15 trusted brands. We carry the most popular Differential brands including Valvoline, National, and Motive Gear, and more, all known for their exceptional customer ratings (average brand rating of 4.8 stars) and competitive prices, as low as $7.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1997 Mercury Cougar, providing peace of mind with parts that meet or exceed OEM standards.

    Popular Valvoline 1997 Mercury Cougar Differentials

    If you’re looking for a top-quality Differential for your 1997 Mercury Cougar, Advance Auto Parts has exactly what you need with our selection of Valvoline Differentials. We have 1 Valvoline Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $14.49, you’ll find the perfect Differential for your needs and budget. Valvoline Differentials for the 1997 Mercury Cougar come highly rated, with over 2 customer reviews and an impressive average rating of 4.8 stars. Choosing a Valvoline Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
    DEXRON - VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart
    from $14.49
    (2)
    DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart
    “I’ve used this in my 2005 2500HD since I bought the truck with 20k on it now at 280k changed every other year maybe 40k I’d put on in two years, I pu”

    Top-Quality National 1997 Mercury Cougar Differentials

    For those in search of a high-quality Differential for their 1997 Mercury Cougar, Advance Auto Parts offers a great selection of National Differentials. With 2 National Differentials in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Differentials start at just $7.99, with an average price of $8.64, giving you a range of options to suit your budget. Backed by over 6 customer ratings and an average rating of 4.3 stars, National Differentials provide both reliability and excellent performance. Choosing a National Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
    Bearing Race
    from $9.29
    (2)
    Bearing Race
    “Reasonable price and woks well. front diff 2006 Escalade esv”
    Bearing Race
    from $7.99
    (4)
    Bearing Race
    “Goes with M88010 bearing cup. Application was the pinion bearing race for a Ford 9 Inch on a 1957 Ford F-100.”

    FAQs for 1997 Mercury Cougar Differentials

    What are the best-selling Differentials for 1997 Mercury Cougars?

    Out of 158 Differentials that fit 1997 Mercury Cougars, the following parts are the top sellers:

    What’s the price range for 1997 Mercury Cougar Differentials?

    The prices of Differentials for the 1997 Mercury Cougar range from $1.29 up to $1,115.99 for the most premium parts.

    What is the average price of a Differential for a 1997 Mercury Cougar?

    The average price for Differentials for the 1997 Mercury Cougar is $195.64. Keep in mind the variety of part types within our Differential category, where you are likely to find a wide range of prices across a variety of parts and components.

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

    Yes, we carry Differentials for 33 model years of Mercury Cougars between 1967 and 2002. The following model years are the most popular for Differential purchases: 2002, 2001, 2000, 1999, 1996, 1995, 1994, 1993, and 1992.

    What are the cheapest Differentials for my 1997 Mercury Cougar?

    The cheapest 1997 Mercury Cougar Differentials we carry are:

    Does Advance Auto Parts sell Differentials for any other 1997 Mercury models?

    Yes. We stock Differentials for 5 other popular 1997 Mercury models. Some of the most popular are 1997 Grand Marquis Differentials, 1997 Mountaineer Differentials, 1997 Tracer Differentials, 1997 Mystique Differentials, and 1997 Sable Differentials.

    What are the top-rated Differentials that fit the 1997 Mercury Cougar?

    Based on 88 reviews by customers, our 1997 Mercury Cougar Differentials have an average customer rating of 4 stars. These are the highest-rated categories of Differentials for the 1997 Mercury Cougar and their top-rated products:

    What types of Differentials do you sell for my 1997 Mercury Cougar?

    As of 11/2/25, these are some of the most in-demand types of Differentials for a 1997 Mercury Cougar:

    Can I get help with 1997 Mercury Cougar Differential orders?

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

    What is your return policy for Mercury Cougar Differentials?

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