1970 Mercury Cougar Differentials

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Keep Your 1970 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 1970 Mercury Cougar looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Oil, Differential Pinion Seals, 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 Powertrax, Felpro, and National. For example, Powertrax Differentials start at just $551.99 with an average 4.7 star rating. Felpro and National offer similar pricing and quality, backed by strong customer feedback. With over 504 reviews and a solid 5 star average, you can shop with confidence knowing other Mercury Cougar owners approve.

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 1970 Mercury Cougar in peak condition, inside and out.

Essential 1970 Mercury Cougar Differentials

Yukon Gear – Adjuster Lock Bolt 3.062" & 3.250" Ford 9" Drop Out (Part No.32149)

Adjuster Lock Bolt 3.062" & 3.250" Ford 9" Drop Out

from

$3.99
Adjuster lock bolt 3.062″ & 3.250″ Yukon Ford 9″ Drop Out.

Product Features:
  • Side adjuster lock bolt
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Motive Gear – Performance Differential Ring and Pinion (Part No.F890683AX)

Performance Differential Ring and Pinion

from

$337.99


Product Features:
  • R&P FORD 9″ – 6.83 LIGHTWEIGHT
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National – Bearing Race (Part No.M86610)

Bearing Race

from

$9.99
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
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Yukon Gear – Extra HD 3.062" Nodular Iron Dropout For Ford 9" (Part No.32099)

Extra HD 3.062" Nodular Iron Dropout For Ford 9"

from

$615.99
Yukon Extra HD 3.062″ nodular Iron dropout for Ford 9″. Yukon nodular iron dropouts feature a 5/8″ cap bolt and forged caps for maximum strength. Rated up to 1200HP!

Product Features:
  • Fits Ford 9″
  • 3.062″ carrier race diameter
  • Nodular iron for added strength
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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 – 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″
    See More

    Yukon Gear – 8" Ford O-Ring (Part No.30027)

    8" Ford O-Ring

    from

    $9.99
    8″ Ford O-ring.

    Product Features:
    • Pinion support o-ring
    • Fits Ford 8″
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    Yukon Gear – Trac Loc Steel Clutch Plate, 4 Tab (Part No.16178)

    Trac Loc Steel Clutch Plate, 4 Tab

    from

    $8.99
    Product Features:
    • Steel clutch plate
    • Fits Ford 8″ and 9″ Trac Loc
    See More

    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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    Yukon Gear – Pinion Install Kit For Ford 9" Differential, 28 Spline, Oversize (Part No.13052)

    Pinion Install Kit For Ford 9" Differential, 28 Spline, Oversize

    from

    $434.99
    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 oversize Daytona pinion support
    • 28 spline
    • 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 – The Carrier Bearing Puller (Part No.56034)

    The Carrier Bearing Puller

    from

    $689.99
    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 most standard one ton applications. This unit is works with differentials up to one-ton applcations. It is not compatible with 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
    • Not compatible with Dana 70HD, Dana 80, Ford 10.25″ and 10.5″ or Gm and Chrysler 11.5″ applications
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    Yukon Gear – Standard Open Spider Gear Kit For 8.8" Ford With 31 Spline Axles (Part No.16021)

    Standard Open Spider Gear Kit For 8.8" Ford With 31 Spline Axles

    from

    $299.99
    Yukon standard open spider gear kit for 8.8″ Ford with 31 spline axles and 7/8″ pin. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. All components come with a one year warranty against manufacturing defects.

    Product Features:
    • Spider gear kit
    • Fits Ford 8.8″ with 31 spline axles
    • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
    • 0.875″ cross pin shaft diameter
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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 – Fine Thread Pinion Support Bolt (Aftermarket Aluminum Only) For 9" Ford (Part No.33243)

    Fine Thread Pinion Support Bolt (Aftermarket Aluminum Only) For 9" Ford

    from

    $5.99
    Fine thread pinion support bolt (aftermarket aluminum only) for 9″ Ford.

    Product Features:
    • Pinion support bolt for Ford 9″
    • 3/8″ x 24 thread
    • 1.5″ long
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    Yukon Gear – Pinion Depth Shims For Ford 9" (Part No.55056)

    Pinion Depth Shims For Ford 9"

    from

    $26.99
    Pinion depth shim kit 9″ Ford.

    Product Features:
    • Pinion depth shims for Ford 9″
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    Yukon Gear – Trac Loc Case For Ford 8" (Part No.20075)

    Trac Loc Case For Ford 8"

    from

    $379.99
    8″ TracLoc case, bare, 2 or 4 PIN, 4 TAB clutch design.

    Product Features:
    • Trac Loc positraction carrier case
    • Does not include spider gears
    • Fits Ford 8″
    See More

    Yukon Gear – 1310 And 1330 U/Bolt Kit (2 U-Bolts And 4 Nuts) For 9" Ford (Part No.41112)

    1310 And 1330 U/Bolt Kit (2 U-Bolts And 4 Nuts) For 9" Ford

    from

    $18.99
    1310 and 1330 U/bolt kit (2 U-bolts and 4 nuts) for 9″ Ford.

    Product Features:
    • u-joint u-bolt kit
    • Fits Ford 9″
    • 1310 and 1330 u-joint size
    • Includes two u-bolts and four nuts
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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″
    See More

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

    9" Ford Pinion Nut, 35 Spline Large Pinion Oversize

    from

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

    Product Features:
    • Pinion nut
    • Fits Ford 9″ with 35 spline pinion
    See More

    Yukon Gear – Trac-Loc For Ford 8" Wtih 31 Spline Axles – Aggressive Design (Part No.26003)

    Trac-Loc For Ford 8" Wtih 31 Spline Axles - Aggressive Design

    from

    $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-Trac Loc uses a nodular case, billet side hat, and forged internals for higher strength than stock Trac-Locs. The units use composite clutches for high performance and long life. All units are Rebuildable. Yukon offers a one year warranty against manufacturing defects.

    Product Features:
    • Fits Ford 8″ with 31 spline axles
    • Trac Loc positraction
    • Clutch style positraction
    • Aggressive design
    • Internal gears are manufactured using forged 4320 steel and cut to provide stronger teeth
    • Fully rebuildable
    • Assembled in the USA
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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
    See More

    Felpro – Axle Housing Cover Gasket Rectangular Shaped, 10 Bolt Hole Gasket (Part No.RDS 55341)

    Axle Housing Cover Gasket Rectangular Shaped, 10 Bolt Hole Gasket

    from

    $15.99
    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
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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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    Yukon Gear – Positraction Internals For 8" And 9" Ford With 28 Spline Axles, In A 2-Pinion Design (Part No.16022)

    Positraction Internals For 8" And 9" Ford With 28 Spline Axles, In A 2-Pinion Design

    from

    $285.99
    Yukon positraction internals for 8″ and 9″ Ford with 28 spline axles, in a 2-pinion design. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. This kit does not include clutches. All components come with a one year warranty against manufacturing defects.

    Product Features:
    • Spider gear kit
    • Fits Ford 9″ with Trac Loc positraction with 28 spline axles
    • Includes two side gears, two pinion gears, cross pin shaft, roll pin and spider gear thrust washers.
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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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    Schaeffler – Bearing – TRB (Tapered Roller Bearing) (Part No.KT36)

    Bearing - TRB (Tapered Roller Bearing)

    from

    $34.49
    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
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    Yukon Gear – Ford 9" Nodular Daytona Style Pinion Support (Part No.32164)

    Ford 9" Nodular Daytona Style Pinion Support

    from

    $175.99
    Product Features:
    • Fits Ford 9″ with 28 spline pinion
    • Larger inner pinion bearing reduces gear deflection under high load
    • Nodular iron
    • Does not include races
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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
    See More

    Most Popular Differential Oil for 1970 Mercury Cougars

    Enhance your 1970 Mercury Cougar with one of the 5 Differential Oil we have in stock, starting at just $44.99.

    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
    3 Qt. Penzoil 80W90 conventional gear Oil. W/ bottle of Posi additive.

    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
    3 Qt. Penzoil 80W90 conventional gear Oil.

    Product Features:
    • Includes three quarts of conventional oil
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    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
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    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

    Best-Selling 1970 Mercury Cougar Differential Pinion Seals

    Upgrade your Cougar with one of our 5 best-selling Differential Pinion Seals, earning an average 5 stars rating across 2 reviews.

    National – Multi-Purpose Seal (Part No.8181NA)

    Multi-Purpose Seal

    from

    $12.99
    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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    Yukon Gear – Pinion Seal For ’61-’85 9" Ford (Part No.30137)

    Pinion Seal For '61-'85 9" Ford

    from

    $17.99
    Pinion seal for ’61-’85 9″ Ford. 3″ OD.Yukon Mighty seal.

    Product Features:
    • Pinion seal
    • Fits 1961-1985 Ford 9″
    • 3.00″ O.D.
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    Yukon Gear – 8" Ford Pinion Seal (Part No.30180)

    8" Ford Pinion Seal

    from

    $24.99
    8″ Ford pinion seal.Yukon Mighty seal.

    Product Features:
    • Pinion seal
    • Fits Ford 8″
    See More

    Motive Gear – Differential Pinion Seal (Part No.7044NA)

    Differential Pinion Seal

    from

    $12.99
    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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    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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    Top-Quality Differential Bearings for 1970 Mercury Cougars

    Choose a high-quality OEM or aftermarket Differential Bearing for Mercury Cougars and enjoy top-notch performance from $11.99.

    Driveworks – Taper Bearing Cone (Part No.S-LM-102949)

    Taper Bearing Cone

    from

    $15.49
    Value-priced bearing meets all cataloged application requirements.

    Product Features:
    • Brand may vary by location
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    Yukon Gear – Pilot Bearing Retainer For Ford 9" (Part No.33255)

    Pilot Bearing Retainer For Ford 9"

    from

    $11.99
    Pilot bearing retainer for Ford 9″.

    Product Features:
    • Pilot bearing retainer for Ford 9″
    See More

    Top Picks for 1970 Mercury Cougar Differential Ring Gear Bolts

    Invest in one of our 6 durable Differential Ring Gear Bolts for your 1970 Mercury, knowing you’re getting trusted brands and expert craftsmanship.

    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
    See More

    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
    See More

    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
    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

    ARP Auto Racing – For Use With Ford 9" Using 5/8"Socket, 0.94"L Under Head, 7/16"-20, 12Point Head (Part No.250-3002)

    For Use With Ford 9" Using 5/8"Socket, 0.94"L Under Head, 7/16"-20, 12Point Head

    from

    $43.99
    The tremendous shock loads generated at launch by most any drag racing vehicle equipped with today sticky tire compounds or the acceleration and deceleration of oval track cars put considerable strain on the ring gear. For this reason, the fastener experts at ARP have developed the Pro Series ring gear bolts. they are forged from premium grade 8740 chrome moly steel and are heat treated to a nominal rating of 200,000 PSI tensile strength. Specially hardened, precision ground washers are included where required. Available to fit most any ring gear setup ranging from popular 9 Inch Ford GM 10 and 12 bolt rear ends to the beefy strange differentials found in top fuel and funny car applications.

    Product Features:
    • Forged From Premium Grade 8740 Chrome Moly Steel
    • Heat Treated
    • Nominally Rated At 200,000 PSI Tensile Strength
    • Specially Hardened, Precision Ground Washers
    • 0.95″ Underhead Length
    • 200,000 PSI
    • Sold As A Set
    See More

    Yukon Gear – Trac Loc Ring Gear Bolt Washer For 8" And 9" Ford (Part No.33245)

    Trac Loc Ring Gear Bolt Washer For 8" And 9" Ford

    from

    $3.99
    Trac Loc ring gear bolt washer for 8″ and 9″ Ford.

    Product Features:
    • Ring gear bolt for Ford 8″ and 9″
    • For Trac Loc positraction applications only
    See More

    Rear Differential Cover Gaskets for 1970 Mercury Cougars

    Make a smart move for your 1970 Mercury Cougar with products all priced from $11.99 to $25.99.

    Yukon Gear – 9" Ford Gasket (Part No.23012)

    9" Ford Gasket

    from

    $11.99
    9″ Ford gasket.

    Product Features:
    • Dropout gasket
    • Fits Ford 9″
    See More

    Mr. Gasket – Rear End Gasket – Ford 9" – Blend Of Nitrile Rubber And Fiber For Excellent Sealing And Durability (Part No.82)

    Rear End Gasket - Ford 9" - Blend Of Nitrile Rubber And Fiber For Excellent Sealing And Durability

    from

    $25.99
    Mr. Gasket Axle Housing/Differential Cover or Rear End Gaskets are manufactured from a .047 inch thick cellulose/nitrile composite gasket material for excellent sealing and durability. They are precision die-cut for an excellent fit. Fits 1957-1981 Ford 10 bolt 9 inch ring gear.

    Product Features:
    • .047″ thick cellulose/nitrile composite gasket material
    • Precision die cut
    • Reusable
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    Yukon Gear – 8" Dropout Housing Gasket (Part No.23010)

    8" Dropout Housing Gasket

    from

    $11.99
    8″ dropout housing gasket.

    Product Features:
    • Dropout gasket
    • Fits Ford 8″
    See More

    Top-Rated Differential Brands For Your 1970 Mercury Cougar

    When it comes to finding the perfect Differential for your 1970 Mercury Cougar, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 13 trusted brands. We carry the most popular Differential brands including Powertrax, Felpro, and National, and more, all known for their exceptional customer ratings (average brand rating of 4.7 stars) and competitive prices, as low as $9.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1970 Mercury Cougar, providing peace of mind with parts that meet or exceed OEM standards.

    Popular Powertrax 1970 Mercury Cougar Differentials

    If you’re looking for a top-quality Differential for your 1970 Mercury Cougar, Advance Auto Parts has exactly what you need with our selection of Powertrax Differentials. We have 1 Powertrax Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $551.99, you’ll find the perfect Differential for your needs and budget. Powertrax Differentials for the 1970 Mercury Cougar come highly rated, with over 1 customer reviews and an impressive average rating of 4.7 stars. Choosing a Powertrax Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
    No-Slip Traction System
    from $551.99
    (1)
    No-Slip Traction System
    “Installed, no issues, works great.”

    Top-Quality Felpro 1970 Mercury Cougar Differentials

    For those in search of a high-quality Differential for their 1970 Mercury Cougar, Advance Auto Parts offers a great selection of Felpro Differentials. With 1 Felpro 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 $9.99, giving you a range of options to suit your budget. Backed by over 9 customer ratings and an average rating of 4.6 stars, Felpro Differentials provide both reliability and excellent performance. Choosing a Felpro Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
    Differential Carrier Gasket Oval Shaped 10 Bolt Hole Gasket
    from $9.99
    (9)
    Differential Carrier Gasket Oval Shaped 10 Bolt Hole Gasket
    “Right fit the first time.”

    FAQs for 1970 Mercury Cougar Differentials

    What are the best-selling Differentials for 1970 Mercury Cougars?

    Out of 351 Differentials that fit 1970 Mercury Cougars, the following parts are the top sellers:

    What’s the price range for 1970 Mercury Cougar Differentials?

    The prices of Differentials for the 1970 Mercury Cougar range from $1.99 up to $1,566.99 for the most premium parts.

    What is the average price of a Differential for a 1970 Mercury Cougar?

    The average price for Differentials for the 1970 Mercury Cougar is $272.25. 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, 1997, 1996, 1995, 1994, and 1993.

    What are the cheapest Differentials for my 1970 Mercury Cougar?

    The cheapest 1970 Mercury Cougar Differentials we carry are:

    Does Advance Auto Parts sell Differentials for any other 1970 Mercury models?

    Yes. We stock Differentials for 6 other popular 1970 Mercury models. Some of the most popular are 1970 Monterey Differentials, 1970 Marauder Differentials, 1970 Colony Park Differentials, 1970 Montego Differentials, and 1970 Capri Differentials.

    What types of Differentials do you sell for my 1970 Mercury Cougar?

    As of 3/1/26, these are some of the most in-demand types of Differentials for a 1970 Mercury Cougar:

    Can I get help with 1970 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.