1956 GMC Truck Differentials
Keep Your 1956 GMC Truck in Top Shape with Quality Differentials
Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1956 GMC Truck 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 Pinion Seals, and Front Differential Pinion Bearings. 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 $13.99 with an average 4.2 star rating. Felpro and National offer similar pricing and quality, backed by strong customer feedback. With over 68 reviews and a solid 4.5 star average, you can shop with confidence knowing other GMC Truck owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1956 GMC Truck Differential at Advance Auto Parts is around $21.95, with a range that starts at $7.99 and goes up to $39.49. With 10 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like National Differential Pinion Seal, 5778, National Tapered Roller Bearing Cone, 02872, and National Shaft Repair Sleeve, 99155 start at just $23.79 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 Transfer Cases. At Advance Auto Parts, we’re here to help you keep your 1956 GMC Truck in peak condition, inside and out.
Find Your Specific 1956 GMC Truck Differentials
Looking for the perfect Differential for your 1956 GMC Truck? 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 GMC Truck. Whether you’re driving a 1956 model or another popular model year like
1950,
1953,
1954,
1955,
1957,
1958,
1959, and
1960, 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 GMC Truck Differentials
National – National Bearing Race, 25523 (Part No.25523)
from
$20.29
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
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National – National Multi-Purpose Bearing, KC-11445-Y (Part No.KC-11445-Y)
from
$83.99
Manufactured with premium-grade steel, National taper bearing sets feature crowned raceways and rollers to ensure even load distribution.
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National – National Bearing Race, LM603014 (Part No.LM603014)
from
$23.29
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
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National – National Multi-Purpose Bearing, KD-11786-Y (Part No.KD-11786-Y)
from
$81.49
Manufactured with premium-grade steel, National taper bearing sets feature crowned raceways and rollers to ensure even load distribution.
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National – National Bearing Race, 02820 (Part No.02820)
from
$13.49
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
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National – National Taper Bearing Cup, 31520 (Part No.31520)
from
$13.79
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
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National – National Bearing Race, HM89410 (Part No.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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National – National Bearing Race, 02420 (Part No.02420)
from
$9.89
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
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National – National Tapered Roller Bearing Cone, 31594 (Part No.31594)
from
$34.49
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
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Driveworks – Driveworks Tapered Roller Bearing, S-2872 (Part No.S-2872)
National – National Tapered Roller Bearing Cone, HM89449 (Part No.HM89449)
from
$25.49
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
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Driveworks – Driveworks Tapered Roller Bearing, S-2820 (Part No.S-2820)
Driveworks – Driveworks Oil Seal, S-6818 (Part No.S-6818)
from
$12.79
Driveworks Oil Seal, S-6818. BEARINGS, SEALS, HUB ASSEMBLIES>BEARINGS & SEALS>SEALS>ECONOMY SEALS from Driveworks
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National – National Differential Pinion Seal, 5778 (Part No.5778)
from
$23.79
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-5778 (Part No.S-5778)
National – National Multi-Purpose Seal, 6818 (Part No.6818)
from
$17.49
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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Felpro – Felpro Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket, RDS 6629 (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.
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National – National Shaft Repair Sleeve, 99155 (Part No.99155)
from
$39.49
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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National – National Shaft Repair Sleeve, 99170 (Part No.99170)
from
$47.49
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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Popular 1956 GMC Truck Differentials Categories
Most Popular Differential Pinion Pilot Bearing for 1956 GMC Trucks
Enhance your 1956 GMC Truck with this popular Differential Pinion Pilot Bearing we have in stock, for $39.49.
National – National Shaft Repair Sleeve, 99155 (Part No.99155)
from
$39.49
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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Best-Selling 1956 GMC Truck Differential Pinion Seals
Upgrade your Truck with one of our 2 best-selling Differential Pinion Seals, earning an average 4.5 stars rating across 7 reviews.
National – National Differential Pinion Seal, 5778 (Part No.5778)
from
$23.79
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-5778 (Part No.S-5778)
Top-Quality Front Differential Pinion Bearings for 1956 GMC Trucks
Choose a high-quality OEM or aftermarket Front Differential Pinion Bearing for GMC Trucks and enjoy top-notch performance from $23.49.
National – National Tapered Roller Bearing Cone, 02872 (Part No.02872)
from
$24.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
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Driveworks – Driveworks Tapered Roller Bearing, S-2872 (Part No.S-2872)
Top Picks for 1956 GMC Truck Differential Bearings
Invest in one of our 2 durable Differential Bearings for your 1956 GMC, knowing you’re getting trusted brands and expert craftsmanship.
National – National Tapered Roller Bearing Cone, 25577 (Part No.25577)
from
$33.49
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
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National – National Bearing Race, 25523 (Part No.25523)
from
$20.29
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
See More
Our Top-Rated Rear Housing Cover Gaskets for 1956 GMC Trucks
Make a smart move for your 1956 GMC Truck with our Rear Housing Cover Gasket for $7.99.
Felpro – Felpro Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket, RDS 6629 (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.
See More
Top-Rated Differential Brands For Your 1956 GMC Truck
When it comes to finding the perfect Differential for your 1956 GMC Truck, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 3 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 $7.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1956 GMC Truck, providing peace of mind with parts that meet or exceed OEM standards.
Popular Felpro 1956 GMC Truck Differentials
If you’re looking for a top-quality Differential for your 1956 GMC Truck, 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 $7.99, you’ll find the perfect Differential for your needs and budget. Felpro Differentials for the 1956 GMC Truck come highly rated, with over 10 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.
from
$7.99
(10)
Felpro Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket, RDS 6629
“Fit perfect”
Top-Quality National 1956 GMC Truck Differentials
For those in search of a high-quality Differential for their 1956 GMC Truck, 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 $23.79, giving you a range of options to suit your budget. Backed by over 4 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.
from
$23.79
(4)
National Differential Pinion Seal, 5778
“Works well fit right in. Love national seals”
FAQs for 1956 GMC Truck Differentials
What are the best-selling Differentials for 1956 GMC Trucks?
Out of 10 Differentials that fit 1956 GMC Trucks, the following parts are the top sellers:
- National Differential Pinion Seal, 5778 (3270688) – $23.79
- National Tapered Roller Bearing Cone, 02872 (3271935) – $24.99
- National Shaft Repair Sleeve, 99155 (18445096) – $39.49
What’s the price range for 1956 GMC Truck Differentials?
The prices of Differentials for the 1956 GMC Truck range from $7.99 up to $39.49 for the most premium parts.
What is the average price of a Differential for a 1956 GMC Truck?
The average price for Differentials for the 1956 GMC Truck is $21.95. 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 GMC Truck model years?
What are the cheapest Differentials for my 1956 GMC Truck?
The cheapest 1956 GMC Truck Differentials we carry are:
- Felpro Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket, RDS 6629 (5185793) – $7.99
- National Bearing Race, 02820 (3271927) – $13.49
- Driveworks Oil Seal, S-5778 (5440041) – $13.99
- Driveworks Tapered Roller Bearing, S-2820 (11494018) – $18.49
- National Bearing Race, 25523 (5052610) – $20.29
Does Advance Auto Parts sell Differentials for any other 1956 GMC models?
Yes. We stock Differentials for 17 other popular 1956 GMC models. Some of the most popular are 1956 100 Differentials, 1956 150 Differentials, 1956 250 Differentials, 1956 300 Differentials, and 1956 370 Differentials.
What are the top-rated Differentials that fit the 1956 GMC Truck?
Based on 68 reviews by customers, our 1956 GMC Truck Differentials have an average customer rating of 4.5 stars. These are the highest-rated categories of Differentials for the 1956 GMC Truck and their top-rated products:
- Differential Pinion Seals
- Driveworks Oil Seal, S-5778 (5440041) – $13.99
- National Differential Pinion Seal, 5778 (3270688) – $23.79
- Rear Housing Cover Gaskets
What types of Differentials do you sell for my 1956 GMC Truck?
As of 8/2/26, these are some of the most in-demand types of Differentials for a 1956 GMC Truck:
Can I get help with 1956 GMC Truck Differential orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about GMC Differentials and more.
What is your return policy for GMC Truck Differentials?
Advance Auto Parts keeps returns simple. For new GMC Truck Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.