1999 Mercury Mountaineer Complete Differentials

Your 1999 Mercury Mountaineer might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Complete Differentials you desperately need.

We currently carry 5 Complete Differentials to choose from for your 1999 Mercury Mountaineer, and our inventory prices range from as little as $26.99 up to $1,539.99.

On top of low prices, Advance Auto Parts offers 2 different trusted brands of Complete Differentials for the 1999 Mercury Mountaineer. We only sell parts from trusted brands like USA Standard Gear so that you can find quality parts you can count on.

Don’t take our word for it – check out customer ratings and reviews to buy with confidence. We have 2 reviews on our Complete Differentials for the 1999 Mercury Mountaineer from previous customers.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Complete Differentials stock in-person!

Complete Differentials for Your 1999 Mercury Mountaineer

Spartan – Drive Axle Assembly; FoMoCo SUV 96-00 Axle (Part No.RAX1831C)

Drive Axle Assembly; FoMoCo SUV 96-00 Axle

from

$1481.99
Remanufactured Rear Axle assemblies are completely disassembled, thoroughly cleaned and reassembled using new wear parts. Units are assembled, sealed & include backing plates, axle shafts & fluid.

Product Features:
  • Rear axles are assembled with backing plates & axle shafts, and filled with fluid prior to shipping
  • Axles are fully painted & shipped securely in environmentally safe and recyclable containers that are the perfect size for returning your original core
  • Our complete Rear axle assemblies mean you just hang brakes, connect suspension & go! Your installation will be simple and trouble free
  • Remember to match axle ratio to original. For 4WD rear axle must match front axle ratio
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USA Standard Gear – Spartan Spring & Pin Kit, Fits Smaller Designs (Part No.17011)

Spartan Spring & Pin Kit, Fits Smaller Designs

from

$26.99
Spartan spring & pin kit, fits smaller designs.

Product Features:
  • Replacement spring and pin kit for Spartan Locker
  • Fits Dana 30, Dana 44, AMC Model 20, AMC Model 35, and Toyota designs
  • Includes 4 springs and 4 alignment pins
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Spartan – Drive Axle Assembly; FoMoCo SUV 96-00 Lockup Axle (Part No.RAXP1831E)

Drive Axle Assembly; FoMoCo SUV 96-00 Lockup Axle

from

$1539.99
Remanufactured Rear Axle assemblies are completely disassembled, thoroughly cleaned and reassembled using new wear parts. Units are assembled, sealed & include backing plates, axle shafts & fluid.

Product Features:
  • Rear axles are assembled with backing plates & axle shafts, and filled with fluid prior to shipping
  • Axles are fully painted & shipped securely in environmentally safe and recyclable containers that are the perfect size for returning your original core
  • Our complete Rear axle assemblies mean you just hang brakes, connect suspension & go! Your installation will be simple and trouble free
  • Remember to match axle ratio to original. For 4WD rear axle must match front axle ratio
See More

Spartan – Drive Axle Assembly; FoMoCo SUV 96-00 Axle (Part No.RAX1831E)

Drive Axle Assembly; FoMoCo SUV 96-00 Axle

from

$1481.99
Remanufactured Rear Axle assemblies are completely disassembled, thoroughly cleaned and reassembled using new wear parts. Units are assembled, sealed & include backing plates, axle shafts & fluid.

Product Features:
  • Rear axles are assembled with backing plates & axle shafts, and filled with fluid prior to shipping
  • Axles are fully painted & shipped securely in environmentally safe and recyclable containers that are the perfect size for returning your original core
  • Our complete Rear axle assemblies mean you just hang brakes, connect suspension & go! Your installation will be simple and trouble free
  • Remember to match axle ratio to original. For 4WD rear axle must match front axle ratio
See More

Spartan – Drive Axle Assembly; FoMoCo SUV 96-00 Axle (Part No.RAX1831D)

Drive Axle Assembly; FoMoCo SUV 96-00 Axle

from

$1469.99
Remanufactured Rear Axle assemblies are completely disassembled, thoroughly cleaned and reassembled using new wear parts. Units are assembled, sealed & include backing plates, axle shafts & fluid.

Product Features:
  • Rear axles are assembled with backing plates & axle shafts, and filled with fluid prior to shipping
  • Axles are fully painted & shipped securely in environmentally safe and recyclable containers that are the perfect size for returning your original core
  • Our complete Rear axle assemblies mean you just hang brakes, connect suspension & go! Your installation will be simple and trouble free
  • Remember to match axle ratio to original. For 4WD rear axle must match front axle ratio
See More

FAQs for 1999 Mercury Mountaineer Complete Differentials

What are the most popular Complete Differentials for the 1999 Mercury Mountaineer?

With 2 brands you can trust, our most popular Complete Differentials for the 1999 Mercury Mountaineer parts are:
Spartan Spring & Pin Kit, Fits Smaller Designs
from $26.99
This product is not rated
Spartan Spring & Pin Kit, Fits Smaller Designs
Complete Differentials
Drive Axle Assembly; FoMoCo SUV 96-00 Axle
from $1481.99
This product is not rated
Drive Axle Assembly; FoMoCo SUV 96-00 Axle
Complete Differentials
Drive Axle Assembly; FoMoCo SUV 96-00 Axle
from $1481.99
(2)
Drive Axle Assembly; FoMoCo SUV 96-00 Axle
Complete Differentials