Mercury Mountaineer Differentials

Your One-Stop Shop For Trusted Mercury Mountaineer Differentials

If you’re in search of Mercury Mountaineer Differentials aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 282 Differentials from top brands with prices ranging from $0.99 to $1,481.99.

Beyond great prices, we stock trusted brands manufacturing all types of Differentials for your Mercury Mountaineer. Of the 22 OEM and aftermarket parts brands we carry, some of the most popular are Valvoline, Felpro, and National.

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 Mountaineer Differentials below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential Mercury Mountaineer Differentials

Motive Gear – Differential Ring and Pinion (Part No.F8.8-488)

Differential Ring and Pinion

from

$329.99


Product Features:
  • FORD 10BL 8.8 R/P 4.88
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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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    Yukon Gear – Carrier Installation Kit For Dana 30 Differential (Part No.57002)

    Carrier Installation Kit For Dana 30 Differential

    from

    $99.99
    Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for Dana 30 differential. This kit contains carrier bearings, races and shims.

    Product Features:
    • Fits Dana Spicer 30
    • Includes carrier bearings and races and carrier shim kit
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    Yukon Gear – Spider Gear Kit For Ford 8.8", 31 Spline, Trac Loc Posi (Part No.16106)

    Spider Gear Kit For Ford 8.8", 31 Spline, Trac Loc Posi

    from

    $363.99
    Yukon spider gear kit for Ford 8.8″, 31 spline, Trac Loc posi. 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. This kit does not include cross pin shaft or clutches.

    Product Features:
    • Spider gear kit
    • Fit Ford 8.8″ Trac Loc positraction with 31 spline axles
    • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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    Dorman – Differential Clutch Kit (Part No.697-780)

    Differential Clutch Kit

    from

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

    Product Features:
    • Direct replacement – this differential clutch kit provides the necessary components for repairing the original equipment on specific vehicles
    • Quality materials – all components are built for reliable longevity and performance
    • Smart solution – provides original equipment fit and function for a competitive price compared to original manufacturer
    • Trustworthy quality – backed by team of designers and engineers in the United States
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    Yukon Gear – Standard Open Carrier Case, Ford 8.8", 28 Spline (Part No.20076)

    Standard Open Carrier Case, Ford 8.8", 28 Spline

    from

    $379.99
    8.8″ 28 spline standard Open bare case (incl REVERSE) 3/4″ cross pin Hole.

    Product Features:
    • Standard open carrier case
    • Does not include spider gears
    • Fits Ford 8.8″ with 28 spline axles
    • 3/4″ cross pin bore
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    Yukon Gear – Trac Loc Positraction, Ford 8.8", 31 Spline (Part No.20069)

    Trac Loc Positraction, Ford 8.8", 31 Spline

    from

    $719.99
    Product Features:
    • Trac Loc positraction
    • Fits Ford 8.8″ with 31 spline axles
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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 – Model 35 Roll Pin For Cross Pin Shaft, 0.190" Diameter (Part No.33320)

    Model 35 Roll Pin For Cross Pin Shaft, 0.190" Diameter

    from

    $5.99
    Model 35 roll pin for cross pin shaft, 0.190″ DIA.

    Product Features:
    • Roll pin
    • Fits AMC Model 35
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    Motive Gear – Differential Carrier Gear Kit (Part No.F8.8BI)

    Differential Carrier Gear Kit

    from

    $96.99


    Product Features:
    • FRD 8.8″ INT. KIT 31 SPL OPEN 1987 & LATER ONLY
    See More

    Yukon Gear – Crush Sleeve (Part No.33093)

    Crush Sleeve

    from

    $10.99
    Crush Sleeve for Model 35, Chrysler 7.25″, 8.25″ Ford 8″ & GM 7.75″. Approx 0.495″ long.

    Product Features:
    • Crush sleeve for AMC Model 35, Chrysler 7.25″ and 8.25″, Ford 8″ and GM 7.75″
    • 0.495″ tall
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    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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    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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    SKF – Diff. Side Cover Sea (Part No.J7041325694SKF)

    Diff. Side Cover Sea

    from

    $19.60
    Diff. Side Cover Sea

    Yukon Gear – 8.8" Ford Tracloc Clutch Set, Both Sides (Part No.16018)

    8.8" Ford Tracloc Clutch Set, Both Sides

    from

    $241.99
    8.8″ Ford TracLoc (with short ears–for late models only) clutch set, both sides.

    Product Features:
    • Clutch kit
    • Fit Ford 8.8″ Trac Loc positraction
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    SKF – Pinion Seal (Part No.J7010427782SKF)

    Pinion Seal

    from

    $15.46
    Pinion Seal

    Yukon Gear – Trao Loc Spring For Ford 8.8", 28 Spline (Part No.33515)

    Trao Loc Spring For Ford 8.8", 28 Spline

    from

    $63.99
    Product Features:
    • Trac Loc spring
    • Fits 28 spline Ford 8.8
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    Yukon Gear – Air Line Repair Kit, Zip Locker (Part No.34003)

    Air Line Repair Kit, Zip Locker

    from

    $52.99
    Air line repair kit, ZIP locker.

    Product Features:
    • Air line repair kit
    • Includes 20′ air line and two repair fittings
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    Yukon Gear – O-Ring For Dana 30 & Model 35 Zip Locker Seal Housing (Part No.34005)

    O-Ring For Dana 30 & Model 35 Zip Locker Seal Housing

    from

    $13.99
    Product Features:
    • O-ring for seal housing
    • Fits Dana Spicer 30 and AMC Model 35
    See More

    Yukon Gear – 8.8" Ford 3/4" Notched Cross Pin Shaft (0.750", ’85 And Older) (Part No.33432)

    8.8" Ford 3/4" Notched Cross Pin Shaft (0.750", '85 And Older)

    from

    $78.99
    8.8″ Ford 3/4″ Notched cross pin shaft (0.750″, ’85 and older). This cross pin shaft is not compatible with Powertrax Lock Rights or Spartan Lockers.

    Product Features:
    • Cross pin shaft
    • Fits Ford 8.8″
    • 0.750″ diameter
    • Notched
    • Not compatible with Spartan Lockers or Lock Rights
    See More

    Dorman – Differential Yoke including Seal and Pinion Nut (Part No.697-507)

    Differential Yoke including Seal and Pinion Nut

    from

    $48.99
    A worn or damaged differential pinion flange can lead to driveline vibrations and fluid leaks. This part is designed to match the performance of the original equipment pinion flange on specified vehicles. It has been engineered to help restore a secure and reliable connection between the differential pinion and the drive shaft when the original flange is rusted, worn or damaged. It is made of rugged materials for reliable service and durability.

    Product Features:
    • Direct replacement – this differential pinion flange is designed to match the performance of the original equipment flange on specified vehicles
    • Ideal solution – engineered to help restore a secure and reliable connection between the differential pinion and the drive shaft when the original flange is worn or damaged
    • Durable construction – designed and manufactured to strict specifications for reliable performance
    • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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    Sealed Power – Engine Auxiliary Shaft Bearing Set (Part No.1881M)

    Engine Auxiliary Shaft Bearing Set

    from

    $36.99
    Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

    Product Features:
    • Steel-backed Babbitt lining material
    • Used in automotive and high-performance
    • Babbitt is designed to perform under extreme loads w/o damaging other engine parts
    • Babbitt is more environmentally friendly than other material
    • ISO & QS certified manufacturing
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    Yukon Gear – Dana 25 / 27 / 30 / 44 / 50 Inner Oil Slinger Replacement (Part No.33012)

    Dana 25 / 27 / 30 / 44 / 50 Inner Oil Slinger Replacement

    from

    $6.99
    Product Features:
    • Inner oil slinger for Dana Spicer 25, 27, 30, 44 and 50
    See More

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

    Differential Pinion Nut

    from

    $6.49
    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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    Yukon Gear – Ppinion Nut 7/8-20 Thread, 1 1/8 Socket (Part No.33146)

    Ppinion Nut 7/8-20 Thread, 1 1/8 Socket

    from

    $10.99
    Replacement pinion nut for Model 20 & 35, Dana 30 JK, 44 JK front, Ford 10.25″, 10.5″ & some 9.75″. 7/8-20 thread, 1 1/8 socket.

    Product Features:
    • Pinion nut for Jeep JK front, Jeep Liberty front, Ford 9.75″, 10.25″, 10.5″ and AMC Model 20 and Model 35
    • 7/8″ x 20 thread
    • 1 1/8″ socket
    See More

    Mercury Mountaineer Differentials List

    Differentials Brands You Can Trust For Your Mercury Mountaineer

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

    Most Purchased Mercury Mountaineer Differentials from Valvoline

    When you buy the most frequently purchased Valvoline brand Differentials, you can be confident it will be the right part for your Mercury Mountaineer. Here are the Valvoline Differentials Advanced Auto customers buy the most:
    ATF for Mercon®V Applications Conventional, 1 Quart
    from $12.99
    (120)
    ATF for Mercon®V Applications Conventional, 1 Quart
    Differential Oil
    Differential Cover Gasket
    from $14.99
    (121)
    Differential Cover Gasket
    Rear Housing Cover Gaskets

    FAQs for Mercury Mountaineer Differentials

    What are the most purchased Differentials for the Mercury Mountaineer?

    Out of 282 Differentials for the Mercury Mountaineer, the most popular in our inventory are:
    Differential Cover Gasket
    from $14.99
    (121)
    Differential Cover Gasket
    Rear Housing Cover Gaskets
    Multi Purpose Seal
    from $11.99
    (28)
    Multi Purpose Seal
    Differential Pinion Seals
    Rear Differential Cover
    from $34.99
    (34)
    Rear Differential Cover
    Differential Covers

    What are the top-rated Mercury Mountaineer Differentials?

    Top-rated Differentials for your Mercury Mountaineer based on customer reviews/ratings are:
    Differential Shaft Lock Bolt
    from $5.99
    (11)
    Differential Shaft Lock Bolt
    “great”
    Bearings
    from $15.99
    (9)
    Bearings
    “as advertised”
    Differential Master Bearing Kit - Timken
    from $137.99
    (8)
    Differential Master Bearing Kit – Timken
    “These Timken bearings work great in my 10 second drag car.”