1973 Mercury Marquis Differentials

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Keep Your 1973 Mercury Marquis in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1973 Mercury Marquis looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Oil, Rear Differential Cover Gaskets, and Differential Pinion Seals. 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 Motive Gear and Felpro. For example, Motive Gear Differentials start at just $6.99 with an average 4.1 star rating. Felpro offer similar pricing and quality, backed by strong customer feedback. With over 320 reviews and a solid 4.0 star average, you can shop with confidence knowing other Mercury Marquis owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1973 Mercury Marquis Differential at Advance Auto Parts is around $238.40, with a range that starts at $6.49 and goes up to $679.99. With 113 options in stock from 12 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 Motive Gear Differential Pinion Nut, 379570S 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 1973 Mercury Marquis in peak condition, inside and out.

Essential 1973 Mercury Marquis Differentials

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.
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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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Driveworks – Driveworks Taper Bearing Cup, S-LM-501314 (Part No.S-LM-501314)

Driveworks Taper Bearing Cup, S-LM-501314

from

$7.99
Value-priced bearing meets all cataloged application requirements.
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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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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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National – National Bearing, JL69349 (Part No.JL69349)

National Bearing, JL69349

from

$16.79
Manufactured with premium-grade steel, National® taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
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Dorman – Help – Dorman – Help Pinion Crush Sleeves, 81056 (Part No.81056)

Dorman - Help Pinion Crush Sleeves, 81056

from

$6.99
This differential crush sleeve is designed to match the fit and function of the original sleeve on specified vehicles, and is engineered for durability and reliable performance.
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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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Motive Gear – Motive Gear Differential Mini Spool, MS9-31 (Part No.MS9-31)

Motive Gear Differential Mini Spool, MS9-31

from

$31.99
Motive Gear Differential Mini Spool, MS9-31.
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National – National Shaft Repair Sleeve, 99166 (Part No.99166)

National Shaft Repair Sleeve, 99166

from

$36.49
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.
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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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Motive Gear – Motive Gear Differential Pinion Shim Kit, 1100 (Part No.1100)

Motive Gear Differential Pinion Shim Kit, 1100

from

$6.99
High-quality Differential Component Shim
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Motive Gear – Motive Gear Differential Housing, 26306 (Part No.26306)

Motive Gear Differential Housing, 26306

from

$533.99
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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Powertrax – Powertrax Grip PRO Traction System, GT109028 (Part No.GT109028)

Powertrax Grip PRO Traction System, GT109028

from

$496.99
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

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 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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Motive Gear – Motive Gear Differential Carrier, D3TZ4204A (Part No.D3TZ4204A)

Motive Gear Differential Carrier, D3TZ4204A

from

$254.99
Motive Gear Differential Carrier, D3TZ4204A.
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Powertrax – Powertrax Grip PRO Traction System, GT109035 (Part No.GT109035)

Powertrax Grip PRO Traction System, GT109035

from

$547.99
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

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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LuK – LuK Repair Kit, Differential, GDK315 (Part No.GDK315)

LuK Repair Kit, Differential, GDK315

from

$236.99
Each LuK Differential Bearing Kit contains all the OE quality bearings needed for a professional transmission repair. Differential bearing kits are the perfect repair solution for a broken transmission. We carefully select OE quality components for each individual transmission for a professional repair.
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Motive Gear – Motive Gear Differential Super Bearing Kit – Timken, R7.5FRSKT (Part No.R7.5FRSKT)

Motive Gear Differential Super Bearing Kit - Timken, R7.5FRSKT

from

$112.99
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
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Powertrax – Powertrax Grip LOK Traction System, LK109031 (Part No.LK109031)

Powertrax Grip LOK Traction System, LK109031

from

$679.99
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

Powertrax – Powertrax Differential Lock Assembly, 1810-LR (Part No.1810-LR)

Powertrax Differential Lock Assembly, 1810-LR

from

$339.99
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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Valvoline – Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 904891 (Part No.904891)

Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 904891

from

$35.99
Choosing an automatic transmission fluid just got easier. Valvoline Full Synthetic MaxLife Multi-Vehicle ATF, the #1 ATF product, is suitable for use in 95% of ATF vehicles in operation with US registered light duty applications. And now, it€™s also recommended for most belt and chain-driven continuously variable transmissions (CVT). Featuring advanced additives to prevent the major causes of transmission breakdown, it€™s designed to help prevent leaks, reduce wear and tear, and maximize performance €“ all for much longer than conventional fluids. It has improved thermal stability for longer fluid life, better viscosity stability for consistent transmission operation, and frictional enhancements for smooth gear engagements. Whether your vehicle has a CVT or traditional automatic, Valvoline MaxLife Multi-Vehicle ATF is suitable for a broad range of transmissions including Ford, GM, Toyota, Honda, Nissan, Hyundai, Subaru, BMW, Mercedes, Volvo, VW and Audi vehicles. It€™s specifically recommended for use in the following applications: GM DEXRON-II, DEXRON-III, DEXRON-VI, and DEX-CVT; Ford MERCON LV; Toyota/Lexus Type T, T-II, T-IV, WS, CVTF FE, and CVTF TC. For the many miles ahead, trust your transmission with Valvoline, the #1 automatic transmission fluid brand.
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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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Dorman – Dorman Axle Shaft, 630-209 (Part No.630-209)

Dorman Axle Shaft, 630-209

from

$297.99
This axle shaft is designed to match the performance of the original equipment shaft on specified vehicle makes, models and years. When a factory axle shaft fails or is damaged by rust or collision, this replacement is engineered to help restore and ensure the proper transfer of torque and rotational power from the differential or transmission to the wheel.
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Dorman – Dorman Rear Axle Shaft, Left Or Right, 630-209A (Part No.630-209A)

Dorman Rear Axle Shaft, Left Or Right, 630-209A

from

$110.99
This axle shaft is designed to match the performance of the original equipment shaft on specified vehicle makes, models and years. When a factory axle shaft fails or is damaged by rust or collision, this replacement is engineered to help restore and ensure the proper transfer of torque and rotational power from the differential or transmission to the wheel.
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Dorman – Dorman Rear Axle Shaft, Left Or Right, 630-228A (Part No.630-228A)

Dorman Rear Axle Shaft, Left Or Right, 630-228A

from

$117.99
This axle shaft is designed to match the performance of the original equipment shaft on specified vehicle makes, models and years. When a factory axle shaft fails or is damaged by rust or collision, this replacement is engineered to help restore and ensure the proper transfer of torque and rotational power from the differential or transmission to the wheel.
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Most Popular Differential Oil for 1973 Mercury Marquis

Enhance your 1973 Mercury Marquis with this popular Differential Oil we have in stock, for $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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Best-Selling 1973 Mercury Marquis Rear Differential Cover Gaskets

Upgrade your Marquis with one of our 2 best-selling Rear Differential Cover Gaskets, earning an average 5 stars rating across 9 reviews.

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.
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Top-Quality Differential Pinion Seals for 1973 Mercury Marquis

Choose a high-quality OEM or aftermarket Differential Pinion Seal for Mercury Marquis and enjoy top-notch performance from $6.49.

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

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.
See More

Our Top Pick for a 1973 Mercury Marquis Differential Axle Shaft

Invest in a durable Differential Axle Shaft for your 1973 Mercury, knowing you’re getting trusted brands and expert craftsmanship.

Richmond Gear – Richmond Gear Differential Pinion Shaft, CSPF9 (Part No.CSPF9)

Richmond Gear Differential Pinion Shaft, CSPF9

from

$26.49
Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND.
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Our Differential Bearings for 1973 Mercury Marquis

Make a smart move for your 1973 Mercury Marquis with our Differential Bearing for $7.99.

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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Top-Rated Differential Brands For Your 1973 Mercury Marquis

When it comes to finding the perfect Differential for your 1973 Mercury Marquis, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 12 trusted brands. We carry the most popular Differential brands including Felpro and Motive Gear, and more, all known for their exceptional customer ratings (average brand rating of 4.6 stars) and competitive prices, as low as $6.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1973 Mercury Marquis, providing peace of mind with parts that meet or exceed OEM standards.

Popular Felpro 1973 Mercury Marquis Differentials

If you’re looking for a top-quality Differential for your 1973 Mercury Marquis, 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 1973 Mercury Marquis 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 Motive Gear 1973 Mercury Marquis Differentials

For those in search of a high-quality Differential for their 1973 Mercury Marquis, Advance Auto Parts offers a great selection of Motive Gear Differentials. With 2 Motive Gear 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 $6.99, with an average price of $73.49, giving you a range of options to suit your budget. Backed by over 9 customer ratings and an average rating of 4.1 stars, Motive Gear Differentials provide both reliability and excellent performance. Choosing a Motive Gear Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Motive Gear Differential Master Bearing Kit - Timken, R8.8RMKT
from $139.99
(8)
Motive Gear Differential Master Bearing Kit – Timken, R8.8RMKT
“These Timken bearings work great in my 10 second drag car.”
Motive Gear Differential Pinion Nut, 379570S
from $6.99
(1)
Motive Gear Differential Pinion Nut, 379570S
“If a pinion nut is ever removed from the pinion shaft, it is recommended NOT to reuse it. Replace it with a BRAND NEW nut, even if the old nut is rel”

FAQs for 1973 Mercury Marquis Differentials

What are the best-selling Differentials for 1973 Mercury Marquis?

Out of 113 Differentials that fit 1973 Mercury Marquis, the following parts are the top sellers:

What’s the price range for 1973 Mercury Marquis Differentials?

The prices of Differentials for the 1973 Mercury Marquis range from $6.49 up to $679.99 for the most premium parts.

What is the average price of a Differential for a 1973 Mercury Marquis?

The average price for Differentials for the 1973 Mercury Marquis is $238.40. 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 Marquis model years?

Yes, we carry Differentials for 18 model years of Mercury Marquis between 1967 and 1986. The following model years are the most popular for Differential purchases: 1986, 1985, 1984, 1983, 1982, 1981, 1980, 1979, and 1978.

What are the cheapest Differentials for my 1973 Mercury Marquis?

The cheapest 1973 Mercury Marquis Differentials we carry are:

Does Advance Auto Parts sell Differentials for any other 1973 Mercury models?

Yes. We stock Differentials for 5 other popular 1973 Mercury models. Some of the most popular are 1973 Cougar Differentials, 1973 Monterey Differentials, 1973 Colony Park Differentials, 1973 Montego Differentials, and 1973 Capri Differentials.

What types of Differentials do you sell for my 1973 Mercury Marquis?

As of 8/2/26, these are some of the most in-demand types of Differentials for a 1973 Mercury Marquis:

Can I get help with 1973 Mercury Marquis 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 Marquis Differentials?

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