Mercury Monarch Differential Carriers

Your Mercury Monarch will be happy to know that the search for the right Differential Carriers you’ve been looking for is over! Advance Auto Parts has 1 different Differential Carriers for your vehicle, ready for shipping or in-store pick up. The best part is, our Mercury Monarch Differential Carriers start from as little as $668.99.

When it comes to your Mercury Monarch, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Differential Carriers brands so you can shop with complete confidence. Some of our top Differential Carriers brands are Powertrax. We’re sure you will get the right product to keep that Monarch running for a long time.

Shop online, find the best price on the right product, and have it shipped right to your door. If you prefer to shop in person for the right Differential Carriers for your Monarch, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

Compare 22 Mercury Differential Carriers

Yukon Gear – Replacement Standard Open Carrier Case For Dana 30, 3.73 & Up (Part No.20026)

Replacement Standard Open Carrier Case For Dana 30, 3.73 & Up

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$164.99
Yukon replacement standard open carrier case for Dana 30, 3.73 & up, 1.943″ tall. If purchasing this case for a D30 JK front, you will need to also purchase spider gear set YPKD30-S-27.

Product Features:
  • Standard open carrier case
  • Fits Dana Spicer 30
  • 3.73 and up ratio only
  • Does not include spider gears
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Yukon Gear – Standard Open Carrier Case, Ford 8.8", 31 Spline (Part No.20077)

Standard Open Carrier Case, Ford 8.8", 31 Spline

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$269.99
8.8″ 31 spline standard Open case (7/8 X-PIN HOLE).

Product Features:
  • Standard open carrier case
  • Fits Ford 8.8″ with 31 spline axles
  • Does not include spider gears
  • 0.875″ cross pin shaft diameter
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Yukon Gear – Standard Open Carrier Case & Spiders, Ford 8.8", 31 Spline (Part No.20070)

Standard Open Carrier Case & Spiders, Ford 8.8", 31 Spline

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$404.99
Product Features:
  • Standard open carrier case and spiders
  • Fits Ford 8.8″ with 31 spline axles
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Yukon Gear – Zip Locker For Dana 30 With 27 Spline Axles, 3.73 & Up (Part No.34016)

Zip Locker For Dana 30 With 27 Spline Axles, 3.73 & Up

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$1303.99
The Yukon Zip Locker is the latest in on-demand traction. Its air-operated design allows you to switch from an open differential to 100% lockup when you need it, giving you the ultimate in driver selectability. The Yukon Zip locker is an air operated locker that provides selectable traction for off road or street use. This unit features 4320 Chrome Moly internals for added strength. Assembled in the USA! compressor sold separately. All Zip Lockers are backed by the best warranty in the business! All Zip Lockers come with a six (6) year warranty, including any collaterally damaged parts and associated labor, up to $2,000, for the first two (2) years.

Product Features:
  • Fits Dana Spicer 30 with 27 spline axles
  • 3.73 and up ratio only
  • Forged case and 8620 internals for added strength
  • Works with a variety of air delivery systems
  • Assembled in the USA
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Yukon Gear – Grizzly Locker For Ford 9" Differential With 35 Spline Axles, Racing Design, For Load Bolt D/O (Part No.28030)

Grizzly Locker For Ford 9" Differential With 35 Spline Axles, Racing Design, For Load Bolt D/O

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$1211.99
The Yukon Grizzly Locker is the ultimate in locking differentials for street, off-road, & drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns. The Yukon Grizzly locker uses 8620 internals and a patented design to provide maximum strength and reduce common failures. Assembled in the USA! This unit has been approved for competition in NASCAR National & Touring series. This is a race unit designed for extreme off road use or racing. All Grizzly Lockers are backed by the best warranty in the business! Yukon covers the replacement unit and covers any collaterally damaged parts and associated labor, up to $2,000! This locker also fits 9.5″ & 10″ dropouts.

Product Features:
  • Fits Ford 9″ with 35 spline axles and loadbolt housing
  • Patented internal design reduces common locker failures
  • 8620 internals for added strength
  • Assembled in the USA
  • Aggressive design for racing applications only
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Yukon Gear – Grizzly Locker For Ford 9" With 31 Spline Axles, Racing Design (Part No.28010)

Grizzly Locker For Ford 9" With 31 Spline Axles, Racing Design

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$1183.99
The Yukon Grizzly Locker is the ultimate in locking differentials for street, off-road, & drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns. This unit requires the use of a 3.250″ dropout. Use carrier bearing/race numbers LM104949/LM104911. The Yukon Grizzly locker uses 8620 internals and a patented design to provide maximum strength and reduce common failures. Assembled in the USA! This unit has been approved for competition in NASCAR National & Touring series. This is a race unit designed for extreme off road use or racing. All Grizzly Lockers are backed by the best warranty in the business! Yukon covers the replacement unit and covers any collaterally damaged parts and associated labor, up to $2,000! This locker also fits 9.5″ & 10″ dropouts.

Product Features:
  • Fits Ford 9″ with 31 spline axles
  • Patented internal design reduces common locker failures
  • 8620 internals for added strength
  • Assembled in the USA
  • Aggressive design for racing applications only
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Yukon Gear – Grizzly Locker For Ford 9" Differential With 35 Spline Axles, Racing Design (Part No.28027)

Grizzly Locker For Ford 9" Differential With 35 Spline Axles, Racing Design

from

$1178.99
The Yukon Grizzly Locker is the ultimate in locking differentials for street, off-road, & drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns. The Yukon Grizzly locker uses 8620 internals and a patented design to provide maximum strength and reduce common failures. Assembled in the USA! This unit has been approved for competition in NASCAR National & Touring series. This is a race unit designed for extreme off road use or racing. All Grizzly Lockers are backed by the best warranty in the business! Yukon covers the replacement unit and covers any collaterally damaged parts and associated labor, up to $2,000! This locker also fits 9.5″ & 10″ dropouts.

Product Features:
  • Fits Ford 9″ with 35 spline axles
  • Patented internal design reduces common locker failures
  • 8620 internals for added strength
  • Assembled in the USA
  • Aggressive design for racing applications only
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Yukon Gear – Grizzly Locker, Ford 8.8" With 31 Splines (Part No.28031)

Grizzly Locker, Ford 8.8" With 31 Splines

from

$1099.99
The Yukon Grizzly Locker is the ultimate in locking differentials for street, off-road, & drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns. The Yukon Grizzly locker is a mechanical locking differential. It features a forged case and 8620 internals for maximum strength. It’s patented design reduces common locker failures. All units assembled in the USA! All Grizzly Lockers are backed by the best warranty in the business! Yukon covers the replacement unit and covers any collaterally damaged parts and associated labor, up to $2,000!

Product Features:
  • Fits Ford 8.8″ with 31 spline axles
  • Patented internal design reduces common locker failures
  • 8620 internals for added strength
  • Assembled in the USA
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Yukon Gear – Grizzly Locker, Ford 9" With 35 Splines, For Use With Load Bolt Dropout (Part No.28012)

Grizzly Locker, Ford 9" With 35 Splines, For Use With Load Bolt Dropout

from

$993.99
The Yukon Grizzly Locker is the ultimate in locking differentials for street, off-road, & drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns. The Yukon Grizzly locker is a mechanical locking differential. It features a forged case and 8620 internals for maximum strength. It’s patented design reduces common locker failures. All units assembled in the USA! This unit has been machined for use in dropouts with a load-bolt. All Grizzly Lockers are backed by the best warranty in the business! Yukon covers the replacement unit and covers any collaterally damaged parts and associated labor, up to $2,000! This locker also fits 9.5″ & 10″ dropouts.

Product Features:
  • Fits Ford 9″ with 35 spline axles and loadbolt housing
  • Patented internal design reduces common locker failures
  • 8620 internals for added strength
  • Assembled in the USA
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Yukon Gear – Grizzly Locker For Ford 9" With 31 Spline Axles, Fits Load Bolt Housing (Part No.28033)

Grizzly Locker For Ford 9" With 31 Spline Axles, Fits Load Bolt Housing

from

$993.99
The Yukon Grizzly Locker is the ultimate in locking differentials for street, off-road, & drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns. The Yukon Grizzly locker uses 8620 internals and a patented design to provide maximum strength and reduce common failures. Assembled in the USA! This unit has been approved for competition in NASCAR National & Touring series. All Grizzly Lockers are backed by the best warranty in the business! Yukon covers the replacement unit and covers any collaterally damaged parts and associated labor, up to $2,000! This locker also fits 9.5″ & 10″ dropouts.

Product Features:
  • Fits Ford 9″ with 31 spline axles and loadbolt housing
  • Patented internal design reduces common locker failures
  • 8620 internals for added strength
  • Assembled in the USA
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Yukon Gear – Grizzly Locker For Ford 9" With 28 Spline Axles (Part No.28008)

Grizzly Locker For Ford 9" With 28 Spline Axles

from

$947.99
The Yukon Grizzly Locker is the ultimate in locking differentials for street, off-road, & drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns. The Yukon Grizzly locker uses 8620 internals and a patented design to provide maximum strength and reduce common failures. Assembled in the USA! All Grizzly Lockers are backed by the best warranty in the business! Yukon covers the replacement unit and covers any collaterally damaged parts and associated labor, up to $2,000! This locker also fits 9.5″ & 10″ dropouts.

Product Features:
  • Fits Ford 9″ with 28 spline axles
  • Patented internal design reduces common locker failures
  • 8620 internals for added strength
  • Assembled in the USA
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Yukon Gear – Grizzly Locker For Ford 9" With 35 Spline Axles (Part No.28011)

Grizzly Locker For Ford 9" With 35 Spline Axles

from

$946.99
The Yukon Grizzly Locker is the ultimate in locking differentials for street, off-road, & drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns. The Yukon Grizzly locker is a mechanical locking differential. It features a forged case and 8620 internals for maximum strength. It’s patented design reduces common locker failures. All units assembled in the USA! All Grizzly Lockers are backed by the best warranty in the business! Yukon covers the replacement unit and covers any collaterally damaged parts and associated labor, up to $2,000! This locker also fits 9.5″ & 10″ dropouts.

Product Features:
  • Fits Ford 9″ with 35 spline axles
  • Patented internal design reduces common locker failures
  • 8620 internals for added strength
  • Assembled in the USA
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Yukon Gear – Grizzly Locker For Ford 9" With 31 Spline Axles (Part No.28009)

Grizzly Locker For Ford 9" With 31 Spline Axles

from

$929.99
The Yukon Grizzly Locker is the ultimate in locking differentials for street, off-road, & drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns. The Yukon Grizzly locker uses 8620 internals and a patented design to provide maximum strength and reduce common failures. Assembled in the USA! This unit has been approved for competition in NASCAR National & Touring series. All Grizzly Lockers are backed by the best warranty in the business! Yukon covers the replacement unit and covers any collaterally damaged parts and associated labor, up to $2,000! This locker also fits 9.5″ & 10″ dropouts.

Product Features:
  • Fits Ford 9″ with 31 spline axles
  • Patented internal design reduces common locker failures
  • 8620 internals for added strength
  • Assembled in the USA
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Yukon Gear – Trac Loc Positraction, Ford 8.8", 31 Spline, With Carbon Fiber Clutches (Part No.20130)

Trac Loc Positraction, Ford 8.8", 31 Spline, With Carbon Fiber Clutches

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$774.99
Yukon Trac Loc positraction, Ford 8.8″, 31 spline, with Carbon Fiber clutches.

Product Features:
  • Trac Loc positraction carrier case
  • Includes spider gears
  • Fits Ford 8.8″ with 31 spline axles
  • Carbon fiber clutches
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Powertrax – Grip LOK Traction System (Part No.LK109028)

Grip LOK Traction System

from

$668.99
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!
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Yukon Gear – Dura Grip Case For Ford 8.8", 31 Spline (Part No.20073)

Dura Grip Case For Ford 8.8", 31 Spline

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$386.99
Product Features:
  • Dura Grip positraction carrier case
  • Does not include spider gears
  • Fits Ford 8.8″ with 31 spline axles
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Yukon Gear – Trac Loc Case For Ford 8" (Part No.20075)

Trac Loc Case For Ford 8"

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$379.99
8″ TracLoc case, bare, 2 or 4 PIN, 4 TAB clutch design.

Product Features:
  • Trac Loc positraction carrier case
  • Does not include spider gears
  • Fits Ford 8″
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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

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$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 Case For Ford 9" (Part No.20079)

Trac Loc Case For Ford 9"

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$339.99
9″ TracLoc case, bare, 28 & 31 spline, 2or4 PIN, 4 TAB clutches.

Product Features:
  • Trac Loc positraction carrier case
  • Does not include spider gears
  • Fits Ford 9″ with 28 or 31 spline axles
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Yukon Gear – Standard Open Carrier Case – Ford 9" (Part No.20078)

Standard Open Carrier Case - Ford 9"

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$264.99
9″ standard Open case, bare, 28 & 31 spline, 2 or 4 pinion.

Product Features:
  • Standard open carrier case
  • Fits Ford 9″ with 28 or 31 spline axles
  • Does not include spider gears
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Pro-King – Differential Case (Empty) (Part No.762B714A)

Differential Case (Empty)

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$242.99
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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Motive Gear – Differential Carrier (Part No.D30-CL)

Differential Carrier

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$83.49
Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both o
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