1956 Mercury Custom Differentials
Keep Your 1956 Mercury Custom in Top Shape with Quality Differentials
Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1956 Mercury Custom looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Pinion Pilot Bearings, Differential Bearings, and Rear Housing Cover Gaskets. 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.
Competitive Prices and Extensive Inventory
The average price for a 1956 Mercury Custom Differential at Advance Auto Parts is around $27.09, with a range that starts at $4.49 and goes up to $69.99. With 6 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Bearing Race, Tapered Roller Bearing Cone, and Shaft Repair Sleeve start at just $4.49 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 1956 Mercury Custom in peak condition, inside and out.
Find Your Specific 1956 Mercury Custom Differentials
Looking for the perfect Differential for your 1956 Mercury Custom? You’re in the right place. Below, you’ll find links to various types of Differentials that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Differentials, ensuring durability and a precise fit for your Mercury Custom. Whether you’re driving a 1956 model or another popular model year like
1952,
1953,
1954, and
1955, we’ve got you covered. Purchasing Differentials from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Differentials that fit your vehicle.
Essential 1956 Mercury Custom Differentials
National – Bearing Race (Part No.25523)
from
$19.99
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
Product Features:
See More
Product Features:
- PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION – Crowned raceways for even load distribution
- OE-STYLE DESIGN – Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
National – Bearing Race (Part No.LM67010)
from
$4.49
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
See More
Product Features:
- PREMIUM MATERIALS — Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION — Crowned raceways for even load distribution
- OE-STYLE DESIGN — Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE — Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING — Comprehensive testing throughout design and development processes by National engineers for quality you can count on
National – Tapered Roller Bearing Cone (Part No.25577)
from
$32.99
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
Product Features:
See More
Product Features:
- PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
- OE-STYLE DESIGN – Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
National – Bearing Race (Part No.24720)
from
$17.99
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
Product Features:
See More
Product Features:
- PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION – Crowned raceways for even load distribution
- OE-STYLE DESIGN – Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 12758)
from
$11.99
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.
Product Features:
See More
Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Unsurpassed quality you can trust
- Validated for fit, form and function
- Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 6629)
from
$7.99
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.
Product Features:
See More
Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Engineered for the sealing repair environment
- Validated for fit, form and function
- Unsurpassed quality you can trust
National – Tapered Roller Bearing Cone (Part No.02872)
from
$24.79
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
See More
Product Features:
- Premium bearing design matches OEM specifications
- Precision manufactured using premium-grade steel for outstanding durability and performance
- Crowned raceways and rollers to ensure even load distribution for maximum life
- Industry leading coverage
- Professional technicians know they can depend on National
National – Bearing Race (Part No.02820)
from
$12.29
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
See More
Product Features:
- Premium bearing design matches OEM specifications
- Precision manufactured using premium-grade steel for outstanding durability and performance
- Crowned raceways and rollers to ensure even load distribution for maximum life
- Industry leading coverage
- Professional technicians know they can depend on National
National – Tapered Roller Bearing Cone (Part No.31594)
from
$33.99
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
Product Features:
See More
Product Features:
- PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
- OE-STYLE DESIGN – Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
National – Multi-Purpose Seal (Part No.5778V)
from
$69.99
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.
Product Features:
See More
Product Features:
- Design type: spring loaded; multi-lip
- Temperature range: -40 Deg. F to 400 Deg. F / -40 Deg. C to 204 Deg. C
- Excellent high temperature capabilities
- Compatible with wide range of fluids
- Delivers quality and reliable performance for every type of repair
National – Shaft Repair Sleeve (Part No.99155)
from
$38.99
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.
Product Features:
See More
Product Features:
- Designed to repair damaged, grooved or worn shafts
- Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
- Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
- Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
- Easy to install with removable flange and installation tool
- Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
Popular 1956 Mercury Custom Differentials Categories
Most Popular Differential Pinion Pilot Bearing for 1956 Mercury Customs
Enhance your 1956 Mercury Custom with this popular Differential Pinion Pilot Bearing we have in stock, for $38.99.
National – Shaft Repair Sleeve (Part No.99155)
from
$38.99
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.
Product Features:
See More
Product Features:
- Designed to repair damaged, grooved or worn shafts
- Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
- Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
- Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
- Easy to install with removable flange and installation tool
- Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
Best-Selling 1956 Mercury Custom Differential Bearing
Upgrade your Custom with our best-selling Differential Bearing.
National – Bearing Race (Part No.LM67010)
from
$4.49
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
See More
Product Features:
- PREMIUM MATERIALS — Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION — Crowned raceways for even load distribution
- OE-STYLE DESIGN — Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE — Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING — Comprehensive testing throughout design and development processes by National engineers for quality you can count on
Top-Quality Rear Housing Cover Gaskets for 1956 Mercury Customs
Choose a high-quality OEM or aftermarket Rear Housing Cover Gasket for Mercury Customs and enjoy top-notch performance from $11.99.
Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 12758)
from
$11.99
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.
Product Features:
See More
Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Unsurpassed quality you can trust
- Validated for fit, form and function
- Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
Top Picks for 1956 Mercury Custom Front Differential Pinion Bearings
Invest in one of our 2 durable Front Differential Pinion Bearings for your 1956 Mercury, knowing you’re getting trusted brands and expert craftsmanship.
National – Tapered Roller Bearing Cone (Part No.02872)
from
$24.79
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
See More
Product Features:
- Premium bearing design matches OEM specifications
- Precision manufactured using premium-grade steel for outstanding durability and performance
- Crowned raceways and rollers to ensure even load distribution for maximum life
- Industry leading coverage
- Professional technicians know they can depend on National
National – Bearing Race (Part No.02820)
from
$12.29
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
See More
Product Features:
- Premium bearing design matches OEM specifications
- Precision manufactured using premium-grade steel for outstanding durability and performance
- Crowned raceways and rollers to ensure even load distribution for maximum life
- Industry leading coverage
- Professional technicians know they can depend on National
Our Differential Pinion Seals for 1956 Mercury Customs
Make a smart move for your 1956 Mercury Custom with our Differential Pinion Seal for $69.99.
National – Multi-Purpose Seal (Part No.5778V)
from
$69.99
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.
Product Features:
See More
Product Features:
- Design type: spring loaded; multi-lip
- Temperature range: -40 Deg. F to 400 Deg. F / -40 Deg. C to 204 Deg. C
- Excellent high temperature capabilities
- Compatible with wide range of fluids
- Delivers quality and reliable performance for every type of repair
FAQs for 1956 Mercury Custom Differentials
What are the best-selling Differentials for 1956 Mercury Customs?
Out of 6 Differentials that fit 1956 Mercury Customs, the following parts are the top sellers:
- Bearing Race (3277461) – $4.49
- Tapered Roller Bearing Cone (3271935) – $24.79
- Shaft Repair Sleeve (18445096) – $38.99
What’s the price range for 1956 Mercury Custom Differentials?
The prices of Differentials for the 1956 Mercury Custom range from $4.49 up to $69.99 for the most premium parts.
What is the average price of a Differential for a 1956 Mercury Custom?
The average price for Differentials for the 1956 Mercury Custom is $27.09. 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 Custom model years?
What are the cheapest Differentials for my 1956 Mercury Custom?
The cheapest 1956 Mercury Custom Differentials we carry are:
- Bearing Race (3277461) – $4.49
- Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (19780473) – $11.99
- Bearing Race (3271927) – $12.29
- Tapered Roller Bearing Cone (3271935) – $24.79
- Shaft Repair Sleeve (18445096) – $38.99
Does Advance Auto Parts sell Differentials for any other 1956 Mercury models?
Yes. We stock Differentials for 2 other popular 1956 Mercury models. Some of the most popular are 1956 Monterey Differentials, 1956 Montclair Differentials, and 1956 Medalist Differentials.
What types of Differentials do you sell for my 1956 Mercury Custom?
As of 11/2/25, these are some of the most in-demand types of Differentials for a 1956 Mercury Custom:
Can I get help with 1956 Mercury Custom 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 Custom Differentials?
Advance Auto Parts keeps returns simple. For new Mercury Custom Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.