2003 Mercury Mountaineer Differentials & Components

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    • (0 reviews)
      # 111377411
      Mercury Mountaineer with 8.8" Ring Gear with Ford Series Axle 2003, Rear Ring and Pinion Gear Set by USA Standard Gear®. USA Standard ring and pinion sets are the right choice to add confidence to your install. USA Standard Gear offers...
      Direct-fit OE-quality replacement for your factory partHelps restore the proper functionality of your vehicle
      $211.09
    • (0 reviews)
      # 531051146
      Mercury Mountaineer with 8.8" Ring Gear 2003, Rear Differential Ring and Pinion by Dorman®. The gears of Dorman’s Differential Ring and Pinion are engineered to effectively transfer torque from the driveshaft to the axles. It's robust...
      Replacement eliminates driveline grinding and whining soundsDirect replacement for a proper fit
      $117.67 - $191.95
    • (1 review)
      # mpn739976944
      Mercury Mountaineer with 8.8" Ring Gear with Ford Series Axle with 28 Spline / with 31 Spline 2003, Rear Master Overhaul Bearing Kit by USA Standard Gear®. USA Standard Master Overhaul kits let you finish your install with confidence....
      Uses Koyo bearings and racesExpertly crafted from premium materials
      $133.70
    • (0 reviews)
      # 531069085
      Mercury Mountaineer 2003, Axle Differential Bearing and Seal Kit by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and tapered roller bearings, and all...
      Designed to effectively reduce frictionUltimate load handling capability
      $80.15 - $149.57
    • (0 reviews)
      # mpn160373
      Mercury Mountaineer with 8.8" Ring Gear with Independent Rear Suspension 2003, Rear Differential Bearing Kit Without Intermediate Axle Bearing by Dorman®. Dorman’s Differential Bearing Kit allows you to keep all the necessary...
      Replacement eliminates driveline grinding and whining soundsRobust steel construction ensures durability for years of service
      $106.95
    • (0 reviews)
      # mpn739976600
      Mercury Mountaineer with 8.8" Ring Gear with Ford Series Axle with 28 Spline / with 31 Spline 2003, Rear Differential Bearing Kit by USA Standard Gear®. This kit uses Koyo bearings and races along with all high quality small parts. USA...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $101.99
    • (0 reviews)
      # mpn739977058
      Mercury Mountaineer with 8.8" Ring Gear with Ford Series Axle with 28 Spline / with 31 Spline 2003, Rear Pinion Installation Kit by USA Standard Gear®. USA Standard ring and pinion sets are the right choice to add confidence to your...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $68.52
    • (0 reviews)
      # 68629521
      Mercury Mountaineer with 8.8" Ring Gear with Ford Series Axle 2003, Spider Gear Set by USA Standard Gear®. USA Standard gear sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of gear sets...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $132.42 - $180.86
    • (0 reviews)
      # 531085281
      Mercury Mountaineer 2003, Differential Bearing by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and tapered roller bearings, and all feature premium...
      Designed to effectively reduce frictionUltimate load handling capability
      $6.83 - $10.12
    • (0 reviews)
      # 531112933
      Mercury Mountaineer 2003, Differential Pinion Seal by Timken®. Timken offers the right seal to keep your vehicle running optimally. Timken seals provide ultimate protection from contaminants and help retain lubricants and liquids,...
      Machined rubber sealing edge provides greater accuracy and consistency and a better sealing surfaceAn extra dust lip helps keep harmful contaminants out and protects against rust and corrosion
      $6.82 - $10.06
    • (0 reviews)
      # 531128030
      Mercury Mountaineer 2003, Differential Race by Timken®. Precision manufactured using premium materials and made by the company that is trusted by many carmakers, the Timken race is the right choice if you opt for a highly durable part...
      OE quality fit, performance, and reliabilityCost-effective friction management solution
      $4.05 - $12.36
    • (0 reviews)
      # 531084466
      Mercury Mountaineer 4WD / AWD 2003, Front Differential Pinion Bearing by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and tapered roller bearings, and all...
      Designed to effectively reduce frictionUltimate load handling capability
      $7.14 - $10.68
    • (0 reviews)
      # 531153457
      Mercury Mountaineer 4WD / AWD 2003, Front Differential Pinion Race by Timken®. Precision manufactured using premium materials and made by the company that is trusted by many carmakers, the Timken race is the right choice if you opt for...
      OE quality fit, performance, and reliabilityCost-effective friction management solution
      $3.60 - $5.52
    • (0 reviews)
      # mpn2058240
      Mercury Mountaineer 4WD / AWD with Dana 35 Series Axle / with Spicer 35 Series Axle 2003, Front Differential Seal by Timken®. Timken offers the right seal to keep your vehicle running optimally. Timken seals provide ultimate protection...
      Machined rubber sealing edge provides greater accuracy and consistency and a better sealing surfaceAn extra dust lip helps keep harmful contaminants out and protects against rust and corrosion
      $9.03
    • (0 reviews)
      # mpn2371034
      Mercury Mountaineer 2003, Differential Crush Sleeves by Dorman®. A necessary item to replace when servicing the differential, Dorman’s Differential Crush Sleeve is durably built to retain optimal pressure when the pinion gear nut is...
      Direct replacement for a proper fit every timeDesigned specifically for rear-wheel drive vehicles
      $2.93
    • (0 reviews)
      # mpn2377088
      Mercury Mountaineer with 8.8" Ring Gear 2003, Rear Differential Pinion Shaft Lock Bolt by Dorman®. Engineered from high-quality metal, Dorman’s Differential Pinion Shaft Lock Bolt effectively retains the pinion shaft to the rear...
      Replacement restores drivabilityDirect replacement for a proper fit
      $1.68
    • (0 reviews)
      # 531144163
      Mercury Mountaineer 2003, Differential Pinion Bearing by National®. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art computer controlled heat treatment technology to ensure ultimate...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $7.08 - $13.27
    • (0 reviews)
      # 531106269
      Mercury Mountaineer 2003, Differential Pinion Race by National®. This part is manufactured by one of the most trusted names in the automotive industry to keep your vehicle perform optimally. It is built to the original equipment...
      Designed for dependable operation and lasting performanceMeets OE configurations
      $3.57 - $13.84
    • (0 reviews)
      # mpn1074426
      Mercury Mountaineer with 7.125" Ring Gear with Spicer 30 SF Series Axle 2003, Front Axle Differential Bearing by National®. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art computer...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $7.98
    • (0 reviews)
      # mpn1074425
      Mercury Mountaineer with 7.125" Ring Gear with Spicer 30-SF Transmission 2003, Front Axle Differential Bearing Race by National®. This part is manufactured by one of the most trusted names in the automotive industry to keep your vehicle...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $4.16
    • (0 reviews)
      # 531081982
      Mercury Mountaineer 2003, Outer Differential Pinion Seal by National®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by...
      Designed to increase wheel-end reliability by effectively excluding dirt, moisture, and other contaminantsA patent-pending National Dynamic Edge technology allows for maximum protection
      $7.65 - $9.47
    • (0 reviews)
      # mpn1179151
      Mercury Mountaineer with 8.8" Ring Gear with Independent Rear Suspension with Visteon Transmission 2003, Rear Outer Differential Pinion Repair Sleeve by National®. This part is manufactured by one of the most trusted names in the...
      National Redi-Sleeves are precision stainless steel wear sleeves designed to quickly repair damaged, grooved or worn shaftsStrong, durable stainless steel construction provides a corrosion-free sealing surface that surpasses most original shaft specifications
      $19.44
    • (0 reviews)
      # mpn4515297019
      Mercury Mountaineer with Ford 8.8" Series Axle 2003, Differential Cross Pin by AllStar Performance®. Designed utilizing the latest technology, this product by AllStar Performance features premium quality and will perform better than...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $14.99
    • (0 reviews)
      # mpn4515291619
      Mercury Mountaineer with Ford 8.8" Series Axle 2003, Differential Pinion Nut by AllStar Performance®. Designed utilizing the latest technology, this product by AllStar Performance features premium quality and will perform better than...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $4.99
    • (0 reviews)
      # 1040952212
      Mercury Mountaineer 2003, Ring and Pinion Installation Bearing Kit by AllStar Performance®. Designed utilizing the latest technology, this product by AllStar Performance features premium quality and will perform better than advertised....
      Precise manufacturing and high-grade materialsExceptional performance at a competitive price
      $99.99 - $112.99
    • (0 reviews)
      # mpn4515295194
      Mercury Mountaineer with Ford 8.8" Series Axle with 10 Bolt 2003, Ring and Pinion Installation Shim Kit by AllStar Performance®. CA Prop 65 WARNING - This product contains chemicals known to the State of California to cause cancer,...
      Precise manufacturing and high-grade materialsExceptional performance at a competitive price
      $44.99
    • (0 reviews)
      # 1029166630
      Mercury Mountaineer with Ford 8.8" Series Axle with 10 Bolt 2003, ECTED Max™ Rear Limited Slip Differential by Auburn Gear®. With Selectable Full Locker. The ECTED Max is a selectable traction device; an on/off switch is mounted near...
      Gearing is made from aircraft quality, 9310 heat treated billet steel to make it tough, durable and reliableSwitch the locker on or off "on-the-fly," at moderate road speeds with all 4 wheels on the ground
      $761.88
    • (0 reviews)
      # 1029225574
      Mercury Mountaineer with Ford 8.8" Series Axle with 10 Bolt 2003, HP™ Rear Limited Slip Differential by Auburn Gear®. High Performance. Auburn Gear’s flagship limited-slip differential gives you smooth torque-sensing operation with...
      Expertly crafted from superior materialsProvides exceptional reliability
      $428.40
    • (0 reviews)
      # 1029343595
      Mercury Mountaineer with Ford 8.8" Series Axle with 10 Bolt 2003, Pro™ Rear Limited Slip Differential by Auburn Gear®. Turns your torque up another notch, offering an even higher bias ratio and faster sensing reaction than HP for the...
      Expertly crafted from superior materialsProvides exceptional reliability
      $493.27 - $539.21
    • (0 reviews)
      # 503698018
      Mercury Mountaineer with 31 Spline with Ford 8.8" Series Axle with 10 Bolt 2003, Rear Differential Master Rebuild Kit by Auburn Gear®. Dominate the track or hit the trails with condidence by fine tuning your vehicle for neck-breaking...
      Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain
      $330.23
    • (0 reviews)
      # 503430016
      Mercury Mountaineer with Ford 8.8" Series Axle with 10 Bolt 2003, Rear Differential Spring Retainer Service Kit by Auburn Gear®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed...
      Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain
      $111.63
    • (0 reviews)
      # 503604191
      Mercury Mountaineer with Ford 8.8" Series Axle with 10 Bolt 2003, Rear Differential Wiring Harness Kit by Auburn Gear®. With Switch. Dominate the track or hit the trails with condidence by fine tuning your vehicle for neck-breaking...
      Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain
      $83.72
    • (0 reviews)
      # mpn4517168158
      Mercury Mountaineer with 28 Spline with Ford 8.8" Series Axle with 10 Bolt 2003, Road Race™ Rear Limited Slip Differential by Auburn Gear®. Auburn Gear, LLC. Has developed a performance limited-slip differential specifically for road...
      Expertly crafted from superior materialsProvides exceptional reliability
      $498.17
    • (0 reviews)
      # 1190649080
      Mercury Mountaineer with Dana 30 Series Axle 2003, Front Differential Locker by Aussie Locker®. The Aussie Locker is the most advanced "traction added" Automatic Precision Locker in the world today. Specifically designed for off-highway...
      High quality at an affordable priceExpertly made from premium materials
      $287.13
    • (0 reviews)
      # mpn4517169130
      Mercury Mountaineer with Dana 30 Series Axle 2003, Front Differential Locker Pin and Spring Kit by Aussie Locker®. Dominate the track or hit the trails with condidence by fine tuning your vehicle for neck-breaking speed and performance...
      High quality at an affordable priceExpertly made from premium materials
      $35.40
    • (0 reviews)
      # mpn4554792894
      Mercury Mountaineer 2003, TORQ Locker by Aussie Locker®. The TORQ Locker is the most advanced, strongest, highest quality automatic locking differential on the planet, proven in the most extreme vehicles from hard-core Rock Crawling,...
      No dowel pins to install or fail. The Key-Way design of the Cam gears can’t shear, everEasiest Locker on the market to install, no spacers, no dowel pins, no measurements
      $412.99
    • (0 reviews)
      # 503456377
      Mercury Mountaineer 2003, Differential Bearing Kit by Motive Gear®. All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of company products undergo rigid quality...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $71.31 - $144.71
    • (0 reviews)
      # 503502366
      Mercury Mountaineer 2003, Differential Carrier by Motive Gear®. All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of company products undergo rigid quality...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $60.93 - $289.17
    • (0 reviews)
      # 1029251518
      Mercury Mountaineer 2003, Differential Carrier Shim Kit by Motive Gear®. All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of company products undergo rigid...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $17.31 - $21.36
    • (0 reviews)
      # 503553070
      Mercury Mountaineer 2003, Differential Gear Installation Kit by Motive Gear®. All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of company products undergo rigid...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $31.27 - $74.37
    • (0 reviews)
      # 503397104
      Mercury Mountaineer 2003, Differential Master Bearing Kit by Motive Gear®. All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of company products undergo rigid...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $82.68 - $144.27
    • (0 reviews)
      # 503417329
      Mercury Mountaineer 2003, Differential Pinion Bearing Kit by Motive Gear®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with these premium differential bearing...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $47.48 - $68.27
    • (0 reviews)
      # mpn4517170967
      Mercury Mountaineer 4WD / AWD with Dana 30 Series Axle 2003, Differential Pinion Seal by Motive Gear®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $20.68
    • (0 reviews)
      # mpn4517167765
      Mercury Mountaineer with Ford 8.8" Series Axle 2003, Differential Pinion Shaft by Motive Gear®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this premium...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $20.27
    • (0 reviews)
      # 503321220
      Mercury Mountaineer 2003, Differential Ring Gear Bolt by Motive Gear®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this premium differential component...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $2.31
    • (0 reviews)
      # 503540251
      Mercury Mountaineer with Ford 8.8" Series Axle with 10 Bolt 2003, Rear A-Line Ring and Pinion Gear Set by Motive Gear®. Motive Gear stock performance ring and pinions are excellent replacements for OE. Experienced installers prefer ring...
      Quiet operationComputer controlled heat treatment
      $146.10 - $167.36
    • (0 reviews)
      # 503676276
      Mercury Mountaineer with Ford 8.8" Series Axle with 10 Bolt with 2.5" OD Wheel Bearing 2003, Rear Differential Super Bearing Kit by Motive Gear®. With Premium Timken Bearings. Dominate the track or hit the trails with confidence by fine...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $109.73 - $120.77
    • (0 reviews)
      # 503629432
      Mercury Mountaineer with Ford 8.8" Series Axle with 10 Bolt 2003, Rear Performance Ring and Pinion Gear Set by Motive Gear®. Motive Gear Performance ring and pinions are perfect for dedicated racing or off-road vehicle. Gear sets are...
      Central contact patternCNC start to finish
      $223.26 - $275.47
    • (0 reviews)
      # mpn4517170199
      Mercury Mountaineer with 31 Spline with 8.8" Series Axle with 10 Bolt 2003, Rear Spool by Motive Gear®. All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $146.91
    • (0 reviews)
      # 503402253
      Mercury Mountaineer 2003, Ring and Pinion Gear Set by Motive Gear®. Motive Gear stock performance ring and pinions are excellent replacements for OE. Experienced installers prefer ring and pinions for easy setup, superior strength,...
      Quiet operationComputer controlled heat treatment
      $182.37 - $229.71
    • (0 reviews)
      # 1146119229
      Mercury Mountaineer with 31 Shaft Spline with 2.73 and Up Gear Ratio with Ford 8.8" Series Axle 2003, Differential Locker by OX Off Road®. OX Lockers can instantly lock differentials and allow you to tackle the toughest off-road...
      Easy clean cabin friendly installation with no setup adjustmentsStandard system uses no electric for a higher level of dependability
      $859.00 - $994.00
    • (0 reviews)
      # 503457187
      Mercury Mountaineer 2003, Differential Pinion Shaft by Powertrax®. These hardened cross shafts are specifically designed for use with your Powertrax Lock Right locker. Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems...
      High quality at an affordable priceExpertly made from premium materials
      $21.07 - $25.58
    • (0 reviews)
      # 1280880315
      Mercury Mountaineer 2003, Grip Pro Traction System by Powertrax®.
      Comes Fully AssembledDelivers Progressive and Variable Traction
      $394.97 - $479.97
    • (0 reviews)
      # 503294004
      Mercury Mountaineer with Open Differential 2003, Lock Right Locker by Powertrax®. Powertrax Lock-Right performance lockers’ straight-line performance is equal to a solid spool axle, yet they automatically unlock during turns. When...
      Brute force devices for rugged applicationsReplacement of differential case not required
      $336.26 - $403.79
    • (1 review)
      # 503442326
      Mercury Mountaineer 2003, No-Slip Traction System by Powertrax®. For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic...
      Extreme Traction PerformanceEnables a 2 Wheel Drive to outperform a 4 Wheel Drive in poor traction conditions
      $419.74 - $468.14
    • (0 reviews)
      # mpn4517168991
      Mercury Mountaineer with 31 Spline with Ford 8.8" Series Axle 2003, Open Grip LS Traction System by Powertrax®. The Powertrax Grip LS, is a clutch-type differential in a forged steel case. This differential uses a set of carbon clutch...
      Comes Fully AssembledCarbon Fiber and Steel Friction Plate Technology
      $448.24
    • (0 reviews)
      # mpn4510235907
      Mercury Mountaineer Ford 8.8" Axle 2003, Differential Master Overhaul Kit by Revolution Gear & Axle®. With Timken™ Bearings. Designed utilizing the latest technology, this product by Revolution Gear & Axle features premium quality and...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $113.99
    • (0 reviews)
      # 942609324
      Mercury Mountaineer Ford 8.8" Axle 2003, Ring and Pinion Gear Set by Revolution Gear & Axle®. Made from top quality 8620 Steel and are precision heat treated to OEM specifications, making for the best aftermarket gears available....
      2 Year Limited WarrantyMade to promote and inspire your off-road adventures
      $200.00
    • (0 reviews)
      # mpn4510236056
      Mercury Mountaineer Ford 8.8" Axle 2003, Spider Gear Set by Revolution Gear & Axle®. Designed utilizing the latest technology, this product by Revolution Gear & Axle features premium quality and will perform better than advertised....
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $80.87
    • (0 reviews)
      # 198577336
      Mercury Mountaineer 2003, Differential Bearing Kit by Richmond®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this premium differential component that...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $141.78 - $144.11




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    2003 Mercury Mountaineer Differentials Reviews

    Average rating:    5 - 1 review
    5 of 5
    Rear Differential OH Kit
    Excellent presentation, and good quality.
    Posted by Anibal Arismendi (Pompano Beach, FL) / April 9, 20161999 Mercury Mountaineer
    Was this review helpful for you? Yes


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