2003 Mercury Mountaineer Differential Lock Assemblies

Enhance and Protect Your 2003 Mercury Mountaineer with Quality Differential Lock Assemblies

Maintaining the performance of your 2003 Mercury Mountaineer starts with choosing the right parts, and high-quality Differential Lock Assemblies help ensure a reliable and efficient vehicle. At Advance Auto Parts, we offer Differential Lock Assemblies specifically for the 2003 Mercury Mountaineer, ensuring a perfect fit and lasting durability. Choosing to shop with Advance Auto Parts means you’re making a smart decision to prioritize both quality and reliability for your vehicle.

Affordable and Reliable Differential Lock Assemblies for Every Budget

Finding affordable, quality Differential Lock Assemblies is easy at Advance Auto Parts. With prices starting as low as $7.99 and an average price of $192.89, you can choose one that fits your budget while delivering the quality you expect. Our Differential Lock Assemblies are competitively priced, ranging from $7.99 to $544.99, so you get value without compromising on strength or reliability.

Explore Related Parts for a Complete Solution

To further enhance your 2003 Mercury Mountaineer, don’t miss our related parts categories, including Differential Oil and Rear Differential Cover Gaskets. These additions will round out your repair or upgrade project and ensure your vehicle is ready for any adventure.

Differential Lock Assemblies for Your 2003 Mercury Mountaineer

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 – 20 Long Air Line For Zip Locker (Part No.34002)

20 Long Air Line For Zip Locker

from

$29.99
20 long air line for Zip Locker.

Product Features:
  • Air line
  • 20′ in length
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Powertrax – No-Slip Traction System (Part No.9206883108)

No-Slip Traction System

from

$544.99
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 street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. 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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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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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!
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Yukon Gear – Zip Locker Install Kit (Part No.34026)

Zip Locker Install Kit

from

$249.99
Product Features:
  • Installation kit
  • Includes o-ring for bulkhead fitting, bulkhead fitting, outer fitting, switch, front and rear switch cover, solenoid, zip ties and 20′ air line
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Yukon Gear – Pump Up Kit, Zip Locker (Part No.34031)

Pump Up Kit, Zip Locker

from

$174.99
Pump up kit, Zip Locker.

Product Features:
  • Tire pump up kit
  • Includes hose, fittings, couplers and teflon tape
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Yukon Gear – Zip Locker Bulkhead Fitting Kit (Part No.34000)

Zip Locker Bulkhead Fitting Kit

from

$36.99
Product Features:
  • Bulkhead fitting kit
  • Includes bulkhead fitting, outer fitting and o-ring
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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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Yukon Gear – Zip Locker Front Switch Cover (Part No.34009)

Zip Locker Front Switch Cover

from

$7.99
ZIP locker front switch cover.

Product Features:
  • Cover for switch
  • Front
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FAQs for 2003 Mercury Mountaineer Differential Lock Assemblies

Which Differential Lock Assemblies are the top sellers for the 2003 Mercury Mountaineer?

Out of 10 Differential Lock Assemblies that fit 2003 Mercury Mountaineers, the following parts are the top sellers:
Air Line Repair Kit, Zip Locker
from $52.99
This product is not rated
Air Line Repair Kit, Zip Locker
Differential Lock Assemblies
20 Long Air Line For Zip Locker
from $29.99
This product is not rated
20 Long Air Line For Zip Locker
Differential Lock Assemblies
Lock Right Locker
from $441.99
This product is not rated
Lock Right Locker
Differential Lock Assemblies

How can I make sure that a part will be compatible with my 2003 Mercury Mountaineer?

Our Mercury Mountaineer aftermarket and OEM parts are designed specifically for the 2003 model. You can always find your specific fitment and compatibility for your 2003 Mercury on an individual product page.

What is the price range for 2003 Mercury Mountaineer Differential Lock Assemblies?

The range of prices of Differential Lock Assemblies for the 2003 Mercury Mountaineer goes from $7.99 up to $544.99 for the most premium parts.

What is the average price of 2003 Mercury Mountaineer Differential Lock Assemblies?

2003 Mercury Mountaineer Differential Lock Assemblies average $192.89 for our selection of OEM and aftermarket parts.

Does Advance Auto Parts sell Differential Lock Assemblies for other Mercury Mountaineer model years?

Yes, we currently stock Differential Lock Assemblies for 12 model years of Mercury Mountaineers, from 1997 to 2010. Model years 2010, 2009, 2008, 2007, 2006, 2005, 2004, 2002, and 2001 are the most popular for Differential Lock Assemblies purchases.

Can I get help with 2003 Mercury Mountaineer Differential Lock Assemblies orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Mercury Differential Lock Assemblies and more.

What is your return policy for Mercury Mountaineer Differential Lock Assemblies?

Advance Auto Parts keeps returns simple. For new Mercury Mountaineer Differential Lock Assemblies and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.