2003 Mercury Mountaineer Differentials

Essential 2003 Mercury Mountaineer Differentials

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
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Yukon Gear – Side Gear And Thrust Washer (0.750" Shaft) For 8.8" Ford (Part No.33298)

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

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$6.99
Side gear thrust washer (0.750″ shaft) for 8.8″ Ford.

Product Features:
  • Side gear thrust washer for Ford 8.8″
  • 0.750″ diameter cross pin shaft applications only
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Pro-King – Differential Pinion Shim Kit (Part No.742G200A)

Differential Pinion Shim Kit

from

$18.49
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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Motive Gear – Differential Master Bearing Kit – Koyo (Part No.R35FRMK)

Differential Master Bearing Kit - Koyo

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$128.99
Motive Gear Differential Bearing Kits Include Front & Rear Pinion Bearing, Pinion Seal, Carrier Bearings, Pilot Bearing Where Applicable, Gear Marking Compound, Crush Sleeve, Pinion Nut, Brush, Thread Locking Compound And Cover Gasket Or Rtv

Product Features:
  • DANA-35 FORD MASTER BEARING KIT
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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
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Yukon Gear – Super Carrier Shim Kit For Ford 8.8", GM 12 Bolt Car & Truck, 8.6 & Vette (Part No.55002)

Super Carrier Shim Kit For Ford 8.8", GM 12 Bolt Car & Truck, 8.6 & Vette

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$52.99
Product Features:
  • Super carrier shim kit for Ford 8.8″, GM 12 bolt passenger car and truck, GM 8.0″, 8.6″, 8.6″ IRS and 1963-1979 Corvette
  • Interlocking design makes installation much easier
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Pro-King – Differential Ring Gear Bolt (Part No.761A935)

Differential Ring Gear Bolt

from

$0.99
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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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

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$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.
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USA Standard Gear – Master Overhaul Kit for ’09 & Down Ford 8.8" Differential. (Part No.37030)

Master Overhaul Kit for '09 & Down Ford 8.8" Differential.

from

$201.99
USA Standard Master Overhaul kits let you finish your install with confidence. This kit uses Koyo bearings and races. Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable), threading locking compound, marking compound with brush and gasket.

Product Features:
  • Fits 2009 and down Ford 8.8″
  • Uses Koyo bearings and races
  • Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve, thread locker, marking compound with brush and gasket.
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Dorman – Help – Differential Shaft Lock Bolt (Part No.81048)

Differential Shaft Lock Bolt

from

$5.99
This differential pinion shaft lock bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this differential pinion shaft lock bolt matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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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

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$13.99
Product Features:
  • O-ring for seal housing
  • Fits Dana Spicer 30 and AMC Model 35
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Pro-King – Differential Axle Bearing (Part No.742G280)

Differential Axle Bearing

from

$16.79
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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USA Standard Gear – Spartan Locker Replacement Cross Pin For Dana 30 (Part No.17016)

Spartan Locker Replacement Cross Pin For Dana 30

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$52.99
Product Features:
  • USA Standard Gear heavy-duty cross pin shaft
  • Fits Dana Spicer 30
  • Works with Spartan Locker or standard open spider gears
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SKF – Pinion Seal (Part No.J7010427782SKF)

Pinion Seal

from

$15.48
Pinion Seal

Yukon Gear – Bearing Race Driver (Part No.56022)

Bearing Race Driver

from

$188.99
Bearing race driver. No return.

Product Features:
  • Bearing race driver
  • Fits M86610 race
  • All steel construction
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Yukon Gear – Replacement Oil Baffle For Model 35 IFS Front, Dana 25, 27, 30, 44 IFS & Disconnect And Dana 50 (Part No.33002)

Replacement Oil Baffle For Model 35 IFS Front, Dana 25, 27, 30, 44 IFS & Disconnect And Dana 50

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$4.99
Product Features:
  • Oil baffle for Dana Spicer 30, Dana Spicer 44 IFS, Dana Spicer 50, AMC Model 35 IFS
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National – Shaft Repair Sleeve (Part No.99157)

Shaft Repair Sleeve

from

$37.49
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 – Trao Loc Spring For Ford 8.8", 28 Spline (Part No.33515)

Trao Loc Spring For Ford 8.8", 28 Spline

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$61.99
Product Features:
  • Trac Loc spring
  • Fits 28 spline Ford 8.8
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Idemitsu – Type HP Automatic Transmission Fluid – 1 qt (Part No.30040099-75000C)

Type HP Automatic Transmission Fluid - 1 qt

from

$13.79
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
  • 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
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Dorman – Differential Clutch Kit (Part No.697-780)

Differential Clutch Kit

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$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 – Carrier Installation Kit For Ford 8.8" Differential (Part No.57007)

Carrier Installation Kit For Ford 8.8" Differential

from

$129.99
Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for Ford 8.8″ differential. This kit contains carrier bearings, races and shims.

Product Features:
  • Fits Ford 8.8″
  • Includes carrier bearings and races and “super” carrier shim kit
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Pro-King – Differential Clutch Pack (Part No.762B119)

Differential Clutch Pack

from

$133.99
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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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
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Yukon Gear – Dana 25 / 27 / 30 / 36 / 44 / 53 Pinion Nut Washer Replacement (Part No.33163)

Dana 25 / 27 / 30 / 36 / 44 / 53 Pinion Nut Washer Replacement

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$3.99
Replacement pinion nut washer for Dana 25, 27, 30, 36, 44 & 53.

Product Features:
  • Pinion nut washer for Dana Spicer 25, 27, 30, 44 and 50
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Yukon Gear – Dana 25, 27, 30, 44, Model 20 And Model 35, GM 7.5", 8.2", 8.5", 12P, 12T, C9.25 Rear Cover Bolt (Part No.33286)

Dana 25, 27, 30, 44, Model 20 And Model 35, GM 7.5", 8.2", 8.5", 12P, 12T, C9.25 Rear Cover Bolt

from

$9.99
5/16″-18 cover bolt, Dana Spicer 25, 27, 30 and 44, AMC Model 20 and Model 35, Chrysler 9.25 rear, GM 7.5″, 7.625″, 8.2″, 8.5″, 12 bolt passenger car and truck.

Product Features:
  • Cover bolt for Dana Spicer 25, 27, 30 and 44, AMC Model 20 and Model 35, GM 7.5″, 7.625″, 8.2″, 8.5″ and 12 bolt passenger car and truck.
  • 1/2″ head
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Yukon Gear – Zip Locker Switch (Part No.34015)

Zip Locker Switch

from

$16.99
ZIP locker switch.

Product Features:
  • Switch
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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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2003 Mercury Mountaineer Differentials

Maybe you’re in the middle of a full rebuild of that 2003 Mercury Mountaineer. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 238 different Differentials in our inventory ranging from $0.99 to $1,303.99. That means you can find the exact parts or products you need to keep that 2003 Mercury Mountaineer running smoothly.

Differentials are only as good as their brand. We stock 17 different brands to make sure you have plenty of trusted parts to choose from for your 2003 Mercury Mountaineer. Yukon Gear, National, and Idemitsu are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Differentials for your 2003 Mercury Mountaineer, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 150 reviews in this category, some of the top rated parts include Differential Carrier Gear Kit with 4.5 stars and Differential Cover Gasket with 4.3 stars.

So if you’re in the market for aftermarket Differentials to keep your 2003 Mercury Mountaineer rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Differentials Brands To Make Your 2003 Mercury Mountaineer Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 Mercury Mountaineer demands trusted brand parts and products to keep it running. Many trusted brands of Differentials make up Advance Auto Parts’ inventory, and all are ready to help make your Mountaineer the best it can be. Be sure to browse some of our top Differentials brands and parts.

Popular Idemitsu Differentials

We carry Idemitsu parts in our stock across Differential Oil categories, plus more. For a 2003 Mercury Mountaineer, our most popular Idemitsu Differentials include:
Type HP Automatic Transmission Fluid - 1 qt
from $13.79
(3)
Type HP Automatic Transmission Fluid – 1 qt
Differential Oil

Top 2003 Mercury Mountaineer Differentials from National

National products are another trusted brand when it comes to Differentials for your 2003 Mercury Mountaineer. Popular National parts include:
Multi Purpose Seal
from $11.99
(28)
Multi Purpose Seal
Differential Pinion Seals
Multi Purpose Seal
from $19.79
(9)
Multi Purpose Seal
Differential Pinion Seals
Bearings
from $10.49
(2)
Bearings
Differential Bearings

FAQs for 2003 Mercury Mountaineer Differentials

What are the most purchased Differentials for the 2003 Mercury Mountaineer?

Out of 238 Differentials for the 2003 Mercury Mountaineer, the most popular in our inventory are:
Differential Shaft Lock Bolt
from $5.99
(11)
Differential Shaft Lock Bolt
Differential Pinion Shaft Lock Bolts
3 Qt - Penzoil 80W90 Conventional Gear Oil
from $44.99
This product is not rated
3 Qt – Penzoil 80W90 Conventional Gear Oil
Differential Oil
Oil Seal
from $4.79
(1)
Oil Seal
Differential Pinion Seals

What are the top-rated 2003 Mercury Mountaineer Differentials?

Top-rated Differentials for your 2003 Mercury Mountaineer based on customer reviews/ratings are:
Differential Carrier Gear Kit
from $96.99
(6)
Differential Carrier Gear Kit
“Part looked good but I had ordered the wrong part”
Differential Cover Gasket
from $8.29
(3)
Differential Cover Gasket
“Good product”
Differential Carrier Shim Kit
from $8.49
(3)
Differential Carrier Shim Kit
“worked great”