1956 GMC 300 Transmission Seals
Keep Your 1956 GMC 300 in Top Shape with Quality Transmission Seals
Whether you’re repairing or upgrading your Transmission Seal, using high-quality parts is key to keeping your 1956 GMC 300 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Manual Transmission Output Shaft Seals, Miscellaneous Automatic Transmission Seals, and 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.
Competitive Prices and Extensive Inventory
The average price for a 1956 GMC 300 Transmission Seal at Advance Auto Parts is around $14.07, with a range that starts at $8.79 and goes up to $17.49. With 4 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Multi-Purpose Seal, Multi-Purpose Seal, and Multi-Purpose Seal start at just $8.79 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Transmission Seal, don’t forget to check out other key components like Automatic Transmission Parts and Transmission Cooler and Parts. At Advance Auto Parts, we’re here to help you keep your 1956 GMC 300 in peak condition, inside and out.
Find Your Specific 1956 GMC 300 Transmission Seals
Looking for the perfect Transmission Seal for your 1956 GMC 300? You’re in the right place. Below, you’ll find links to various types of Transmission Seals that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Transmission Seals, ensuring durability and a precise fit for your GMC 300. Whether you’re driving a 1956 model or another popular model year like
1951,
1952,
1953,
1954,
1955,
1957,
1958, and
1959, we’ve got you covered. Purchasing Transmission Seals 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 Transmission Seals that fit your vehicle.
Essential 1956 GMC 300 Transmission Seals
National – Multi-Purpose Seal (Part No.340797)
from
$8.79
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.
Product Features:
See More
Product Features:
- Design type: springless; single-lip
- Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
- Good low temperature capability
- Low swell in hydrocarbon fluids
- Delivers quality and reliable performance for every type of repair
National – Manual Transmission Output Shaft Seal (Part No.471341N)
from
$13.49
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.
Product Features:
See More
Product Features:
- Design type: spring loaded; multi-lip
- Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
- Resistance to EP lubricants
- Low swell in hydrocarbon fluids
- Delivers quality and reliable performance for every type of repair
National – Multi-Purpose Seal (Part No.7038SA)
from
$16.49
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.
Product Features:
See More
Product Features:
- Design type: spring loaded; multi-lip
- Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
- Good low temperature capability
- Low swell in hydrocarbon fluids
- Delivers quality and reliable performance for every type of repair
National – Multi-Purpose Seal (Part No.411330N)
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.
Product Features:
See More
Product Features:
- Design type: spring loaded; multi-lip
- Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
- Resistance to EP lubricants
- Low swell in hydrocarbon fluids
- Delivers quality and reliable performance for every type of repair
Popular 1956 GMC 300 Transmission Seals Categories
Most Popular Manual Transmission Output Shaft Seals for 1956 GMC 300s
Enhance your 1956 GMC 300 with one of the 2 Manual Transmission Output Shaft Seals we have in stock, starting at just $13.49.
National – Multi-Purpose Seal (Part No.7038SA)
from
$16.49
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.
Product Features:
See More
Product Features:
- Design type: spring loaded; multi-lip
- Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
- Good low temperature capability
- Low swell in hydrocarbon fluids
- Delivers quality and reliable performance for every type of repair
National – Manual Transmission Output Shaft Seal (Part No.471341N)
from
$13.49
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.
Product Features:
See More
Product Features:
- Design type: spring loaded; multi-lip
- Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
- Resistance to EP lubricants
- Low swell in hydrocarbon fluids
- Delivers quality and reliable performance for every type of repair
Best-Selling 1956 GMC 300 Miscellaneous Automatic Transmission Seal
Upgrade your 300 with our best-selling Miscellaneous Automatic Transmission Seal.
National – Multi-Purpose Seal (Part No.340797)
from
$8.79
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.
Product Features:
See More
Product Features:
- Design type: springless; single-lip
- Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
- Good low temperature capability
- Low swell in hydrocarbon fluids
- Delivers quality and reliable performance for every type of repair
Top-Quality Pinion Seals for 1956 GMC 300s
Choose a high-quality OEM or aftermarket Pinion Seal for GMC 300s and enjoy top-notch performance from $17.49.
National – Multi-Purpose Seal (Part No.411330N)
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.
Product Features:
See More
Product Features:
- Design type: spring loaded; multi-lip
- Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
- Resistance to EP lubricants
- Low swell in hydrocarbon fluids
- Delivers quality and reliable performance for every type of repair
FAQs for 1956 GMC 300 Transmission Seals
What are the best-selling Transmission Seals for 1956 GMC 300s?
Out of 4 Transmission Seals that fit 1956 GMC 300s, the following parts are the top sellers:
- Multi-Purpose Seal (3268632) – $17.49
- Multi-Purpose Seal (18444735) – $16.49
- Multi-Purpose Seal (18442968) – $8.79
What’s the price range for 1956 GMC 300 Transmission Seals?
The prices of Transmission Seals for the 1956 GMC 300 range from $8.79 up to $17.49 for the most premium parts.
What is the average price of a Transmission Seal for a 1956 GMC 300?
The average price for Transmission Seals for the 1956 GMC 300 is $14.07. Keep in mind the variety of part types within our Transmission Seal category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Transmission Seals for other GMC 300 model years?
What are the cheapest Transmission Seals for my 1956 GMC 300?
The cheapest 1956 GMC 300 Transmission Seals we carry are:
- Multi-Purpose Seal (18442968) – $8.79
- Manual Transmission Output Shaft Seal (18444122) – $13.49
- Multi-Purpose Seal (18444735) – $16.49
- Multi-Purpose Seal (3268632) – $17.49
Does Advance Auto Parts sell Transmission Seals for any other 1956 GMC models?
Yes. We stock Transmission Seals for 17 other popular 1956 GMC models. Some of the most popular are 1956 Truck Transmission Seals, 1956 100 Transmission Seals, 1956 150 Transmission Seals, 1956 250 Transmission Seals, and 1956 370 Transmission Seals.
What types of Transmission Seals do you sell for my 1956 GMC 300?
As of 3/1/26, these are some of the most in-demand types of Transmission Seals for a 1956 GMC 300:
Can I get help with 1956 GMC 300 Transmission Seal orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about GMC Transmission Seals and more.
What is your return policy for GMC 300 Transmission Seals?
Advance Auto Parts keeps returns simple. For new GMC 300 Transmission Seals and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.