1966 Mercury Marauder Differentials

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Keep Your 1966 Mercury Marauder in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1966 Mercury Marauder looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Rear Differential Cover Gaskets, Differential Carrier Bearing Set, and Differential Oil. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Differentials from Trusted Brands

Looking for a reliable Differential? We’ve got you covered with options from brands you know and trust like Driveworks, Felpro, and National. For example, Driveworks Differentials start at just $11.99 with an average 4.2 star rating. Felpro and National offer similar pricing and quality, backed by strong customer feedback. With over 732 reviews and a solid 4.3 star average, you can shop with confidence knowing other Mercury Marauder owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1966 Mercury Marauder Differential at Advance Auto Parts is around $222.84, with a range that starts at $6.49 and goes up to $679.99. With 120 options in stock from 11 trusted brands, finding the right fit is easy. Popular picks like Yukon Gear 3 Qt – Penzoil 80W90 Conventional Gear Oil, 15002, Dorman – Help Pinion Crush Sleeves, 81056, and National Multi-Purpose Seal, 51098 start at just $6.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Differential, don’t forget to check out other key components like Drive Shafts and Axles and Universal Joints. At Advance Auto Parts, we’re here to help you keep your 1966 Mercury Marauder in peak condition, inside and out.

Essential 1966 Mercury Marauder Differentials

Powertrax – Powertrax Grip LS Traction System, LS109031 (Part No.LS109031)

Powertrax Grip LS Traction System, LS109031

from

$451.99
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 – "Yukon Gear Mini Spool for Ford 8.8"" with 28 Spline Axles, 32225" (Part No.32225)

"Yukon Gear Mini Spool for Ford 8.8"" with 28 Spline Axles, 32225"

from

$218.99
Yukon Mini Spools are a low-cost traction option for vehicles looking for full-time lockup. The mini spool installs into a standard open carrier in place of the spider gears and delivers 100% power to both tires at all times. These units are not recommended for street-driven vehicles. Full spools are recommended for vehicles with large tires or high horsepower.
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National – National Bearing Race, HM89410 (Part No.HM89410)

National Bearing Race, HM89410

from

$11.49
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
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Schaeffler – Schaeffler Shaft Seal, SS2865 (Part No.SS2865)

Schaeffler Shaft Seal, SS2865

from

$11.99
Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.
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Schaeffler – Schaeffler Tapered Roller Bearing, KT63 (Part No.KT63)

Schaeffler Tapered Roller Bearing, KT63

from

$25.99
Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.
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Motive Gear – Motive Gear Differential Lock Thrust Block, D3SZ4211A (Part No.D3SZ4211A)

Motive Gear Differential Lock Thrust Block, D3SZ4211A

from

$47.49
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 on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.
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Yukon Gear – "Yukon Gear Pinion Install Kit for Ford 7.5"" Differential, 13039" (Part No.13039)

"Yukon Gear Pinion Install Kit for Ford 7.5"" Differential, 13039"

from

$184.99
Yukon Pinion Installation Kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings and races can be reused. This kit features Timken bearings and races along with high-quality seals and small parts. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your gear set.
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Motive Gear – Motive Gear Performance Differential Ring and Pinion, F890600AX (Part No.F890600AX)

Motive Gear Performance Differential Ring and Pinion, F890600AX

from

$347.99
Motive Gear Performance Differential Ring and Pinion, F890600AX.
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Victor Reinz – Victor Reinz Differential Cover Gasket, 71-14829-00 (Part No.71-14829-00)

Victor Reinz Differential Cover Gasket, 71-14829-00

from

$8.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.
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Powertrax – Powertrax Differential Lock Assembly, 1821-LR (Part No.1821-LR)

Powertrax Differential Lock Assembly, 1821-LR

from

$441.99
For vehicles that are driven daily, the Power Trax 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 Power Trax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Power Trax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Power Trax 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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Pro-King – Pro-King Differential Ring Gear Bolt, 761A935 (Part No.761A935)

Pro-King Differential Ring Gear Bolt, 761A935

from

$1.29
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
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National – National Multi-Purpose Bearing, R-1535-TAV (Part No.R-1535-TAV)

National Multi-Purpose Bearing, R-1535-TAV

from

$42.49
Manufactured with premium-grade steel, National cylindrical outer races are designed and engineered to meet OE specifications.
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Yukon Gear – Yukon Gear 3 Qt – Penzoil 80W90 Conventional Gear Oil, 15002 (Part No.15002)

Yukon Gear 3 Qt - Penzoil 80W90 Conventional Gear Oil, 15002

from

$44.99
Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials.
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Motive Gear – Motive Gear Differential Pinion Bearing Spacer, SS9 (Part No.SS9)

Motive Gear Differential Pinion Bearing Spacer, SS9

from

$45.99
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 on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.
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Pro-King – Pro-King Differential Case (Empty), 762B714A (Part No.762B714A)

Pro-King Differential Case (Empty), 762B714A

from

$242.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
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Yukon Gear – "Yukon Gear Standard Open Carrier Case, Ford 8.8"", 31 Spline, 20077" (Part No.20077)

"Yukon Gear Standard Open Carrier Case, Ford 8.8"", 31 Spline, 20077"

from

$269.99
“8.8”” 31 spline standard Open case (7/8 X-PIN HOLE).”
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Motive Gear – Motive Gear Ring And Pinion Installation Kit, F9IKN (Part No.F9IKN)

Motive Gear Ring And Pinion Installation Kit, F9IKN

from

$46.49
All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear!
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USA Standard Gear – USA Standard Gear Differential Axle Shaft, 35030 (Part No.35030)

USA Standard Gear Differential Axle Shaft, 35030

from

$175.99
Yukon Master Overhaul kits give you all the high quality parts you need to start & finish every differential job. Yukon offers more tailor-made kits than any other manufacturer in the industry to meet your specific installation needs. This kit includes a solid spacer to replace the crush sleeve. This kit uses premium bearings and races along with high quality seals and small parts. Included in this kit are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve (if applicable), Thread locking compound, marking compound with brush, and gasket. Yukon’s Master Overhaul kits are the most comprehensive and complete kits on the market. They do extensive research to ensure that every kit is specially tailored to your application.
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Driveworks – Driveworks Taper Bearing Set, S-A-5 (Part No.S-A-5)

Driveworks Taper Bearing Set, S-A-5

from

$11.99
Value-priced bearing meets all cataloged application requirements.
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Motive Gear – Motive Gear Differential Pinion Nut, 379570S (Part No.379570S)

Motive Gear Differential Pinion Nut, 379570S

from

$6.99
All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear.
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Pro-King – Pro-King Differential Rebuild Kit, 762B004 (Part No.762B004)

Pro-King Differential Rebuild Kit, 762B004

from

$90.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket. All products are designed to meet or exceed OE quality, form, fit and function.
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Yukon Gear – Yukon Gear Crush Sleeve, 33085 (Part No.33085)

Yukon Gear Crush Sleeve, 33085

from

$9.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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Yukon Gear – "Yukon Gear Super Carrier Shim Kit for Ford 7.5"", GM 7.5"", 8.2"" & 8.5, 55001" (Part No.55001)

"Yukon Gear Super Carrier Shim Kit for Ford 7.5"", GM 7.5"", 8.2"" & 8.5, 55001"

from

$59.99
Yukon shim kits are precision machined and tailored for each individual application to ensure you have the right shims for every set up.
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Pro-King – Pro-King Differential Pinion Shim Kit, 742G202 (Part No.742G202)

Pro-King Differential Pinion Shim Kit, 742G202

from

$6.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
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Schaeffler – Schaeffler Bearing – TRB (Tapered Roller Bearing), KT45 (Part No.KT45)

Schaeffler Bearing - TRB (Tapered Roller Bearing), KT45

from

$21.99
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.
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Driveworks – Driveworks Tapered Roller Bearing, S-LM-603012 (Part No.S-LM-603012)

Driveworks Tapered Roller Bearing, S-LM-603012

from

$7.99
Driveworks Tapered Roller Bearing, S-LM-603012.
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Yukon Gear – "Yukon Gear Dura Grip For Ford 7.5"", 26034" (Part No.26034)

"Yukon Gear Dura Grip For Ford 7.5"", 26034"

from

$789.99
The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence & performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction. The Yukon Dura Grip uses a nodular case and forged 4320 internals for added strength along with composite clutches for high performance and long life. All units are Rebuildable and many offer upgrades to increase aggressiveness for racing applications. Each unit carries a one year warranty against defects.
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Powertrax – Powertrax Grip LS Traction System, LS108831 (Part No.LS108831)

Powertrax Grip LS Traction System, LS108831

from

$463.99
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!
See More

Most Popular Rear Differential Cover Gaskets for 1966 Mercury Marauders

Enhance your 1966 Mercury Marauder with one of the 2 Rear Differential Cover Gaskets we have in stock, starting at just $8.99.

Felpro – Felpro Differential Carrier Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 55074 (Part No.RDS 55074)

Felpro Differential Carrier Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 55074

from

$9.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
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Victor Reinz – Victor Reinz Differential Cover Gasket, 71-14829-00 (Part No.71-14829-00)

Victor Reinz Differential Cover Gasket, 71-14829-00

from

$8.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.
See More

Best-Selling 1966 Mercury Marauder Differential Carrier Bearing Set

Upgrade your Marauder with our best-selling Differential Carrier Bearing Set with a 4.5 Starts rating across 70 reviews.

Driveworks – Driveworks Taper Bearing Set, S-A-5 (Part No.S-A-5)

Driveworks Taper Bearing Set, S-A-5

from

$11.99
Value-priced bearing meets all cataloged application requirements.
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Top-Quality Differential Oil for 1966 Mercury Marauders

Choose a high-quality OEM or aftermarket Differential Oil for Mercury Marauders and enjoy top-notch performance from $44.99.

Yukon Gear – Yukon Gear 3 Qt – Penzoil 80W90 Conventional Gear Oil, 15002 (Part No.15002)

Yukon Gear 3 Qt - Penzoil 80W90 Conventional Gear Oil, 15002

from

$44.99
Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials.
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Yukon Gear – "Yukon Gear Redline Synthetic ""Shock Proof"" Oil – 4 Quarts, 15004" (Part No.15004)

"Yukon Gear Redline Synthetic ""Shock Proof"" Oil - 4 Quarts, 15004"

from

$137.99
Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.
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Top Picks for 1966 Mercury Marauder Differential Pinion Seals

Invest in one of our 4 durable Differential Pinion Seals for your 1966 Mercury, knowing you’re getting trusted brands and expert craftsmanship.

National – National Multi-Purpose Seal, 51098 (Part No.51098)

National Multi-Purpose Seal, 51098

from

$10.99
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.
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Driveworks – Driveworks Oil Seal, S-51098 (Part No.S-51098)

Driveworks Oil Seal, S-51098

from

$6.49
Value-priced seal meets all cataloged application requirements.
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Schaeffler – Schaeffler Shaft Seal, SS2934 (Part No.SS2934)

Schaeffler Shaft Seal, SS2934

from

$13.99
Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.
See More

Motive Gear – Motive Gear Differential Pinion Seal, 7044NA (Part No.7044NA)

Motive Gear Differential Pinion Seal, 7044NA

from

$12.99
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 on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.
See More

Our Differential Bearings for 1966 Mercury Marauders

Make a smart move for your 1966 Mercury Marauder with our Differential Bearing for $21.99.

Schaeffler – Schaeffler Bearing – TRB (Tapered Roller Bearing), KT45 (Part No.KT45)

Schaeffler Bearing - TRB (Tapered Roller Bearing), KT45

from

$21.99
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.
See More

Top-Rated Differential Brands For Your 1966 Mercury Marauder

When it comes to finding the perfect Differential for your 1966 Mercury Marauder, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 11 trusted brands. We carry the most popular Differential brands including Felpro, National, and Driveworks, and more, all known for their exceptional customer ratings (average brand rating of 4.6 stars) and competitive prices, as low as $9.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1966 Mercury Marauder, providing peace of mind with parts that meet or exceed OEM standards.

Popular Felpro 1966 Mercury Marauder Differentials

If you’re looking for a top-quality Differential for your 1966 Mercury Marauder, Advance Auto Parts has exactly what you need with our selection of Felpro Differentials. We have 1 Felpro Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $9.99, you’ll find the perfect Differential for your needs and budget. Felpro Differentials for the 1966 Mercury Marauder come highly rated, with over 9 customer reviews and an impressive average rating of 4.6 stars. Choosing a Felpro Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

Top-Quality National 1966 Mercury Marauder Differentials

For those in search of a high-quality Differential for their 1966 Mercury Marauder, Advance Auto Parts offers a great selection of National Differentials. With 1 National Differentials in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Differentials start at just $39.49, giving you a range of options to suit your budget. Backed by over 2 customer ratings and an average rating of 4.3 stars, National Differentials provide both reliability and excellent performance. Choosing a National Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
National Tapered Roller Bearing Cone, HM89443
from $39.49
(2)
National Tapered Roller Bearing Cone, HM89443
“nice finish and function. Should perform well.”

FAQs for 1966 Mercury Marauder Differentials

What are the best-selling Differentials for 1966 Mercury Marauders?

Out of 120 Differentials that fit 1966 Mercury Marauders, the following parts are the top sellers:

What’s the price range for 1966 Mercury Marauder Differentials?

The prices of Differentials for the 1966 Mercury Marauder range from $6.49 up to $679.99 for the most premium parts.

What is the average price of a Differential for a 1966 Mercury Marauder?

The average price for Differentials for the 1966 Mercury Marauder is $222.84. Keep in mind the variety of part types within our Differential category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Differentials for other Mercury Marauder model years?

Yes, we carry Differentials for 6 model years of Mercury Marauders between 1963 and 2004. The following model years are the most popular for Differential purchases: 2004, 2003, 1970, 1969, 1965, 1964, and 1963.

What are the cheapest Differentials for my 1966 Mercury Marauder?

The cheapest 1966 Mercury Marauder Differentials we carry are:

Does Advance Auto Parts sell Differentials for any other 1966 Mercury models?

Yes. We stock Differentials for 11 other popular 1966 Mercury models. Some of the most popular are 1966 Monterey Differentials, 1966 Colony Park Differentials, 1966 Villager Differentials, 1966 Capri Differentials, and 1966 Comet Differentials.

What types of Differentials do you sell for my 1966 Mercury Marauder?

As of 8/2/26, these are some of the most in-demand types of Differentials for a 1966 Mercury Marauder:

Can I get help with 1966 Mercury Marauder Differential orders?

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

What is your return policy for Mercury Marauder Differentials?

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