1946 Buick Roadmaster Series 70 Transmission Seals
Keep Your 1946 Buick Roadmaster Series 70 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 1946 Buick Roadmaster Series 70 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Automatic Transmission Oil Pump Seals and Extension Housing 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 1946 Buick Roadmaster Series 70 Transmission Seal at Advance Auto Parts is around $13.99, with a range that starts at $12.49 and goes up to $15.49. With 2 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Automatic Transmission Extension Housing Seal and Multi-Purpose Seal start at just $12.49 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 Torque Converter and Related Products and Transmission Cooler and Parts. At Advance Auto Parts, we’re here to help you keep your 1946 Buick Roadmaster Series 70 in peak condition, inside and out.
Find Your Specific 1946 Buick Roadmaster Series 70 Transmission Seals
Looking for the perfect Transmission Seal for your 1946 Buick Roadmaster Series 70? 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 Buick Roadmaster Series 70. Whether you’re driving a 1946 model or another popular model year like
1947,
1948, and
1949, 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 1946 Buick Roadmaster Series 70 Transmission Seals
National – Multi-Purpose Seal (Part No.451147H)
from
$15.49
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; single-lip
- Temperature range: -80 Deg. F to 350 Deg. F / -62 Deg. C to 176 Deg. C
- Good dry heat resistance
- Excellent low temperature capability
- Delivers quality and reliable performance for every type of repair
National – Automatic Transmission Extension Housing Seal (Part No.470774)
from
$12.49
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
Popular 1946 Buick Roadmaster Series 70 Transmission Seals Categories
Most Popular Automatic Transmission Oil Pump Seal for 1946 Buick Roadmaster Series 70s
Enhance your 1946 Buick Roadmaster Series 70 with this popular Automatic Transmission Oil Pump Seal we have in stock, for $15.49.
National – Multi-Purpose Seal (Part No.451147H)
from
$15.49
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; single-lip
- Temperature range: -80 Deg. F to 350 Deg. F / -62 Deg. C to 176 Deg. C
- Good dry heat resistance
- Excellent low temperature capability
- Delivers quality and reliable performance for every type of repair
Best-Selling 1946 Buick Roadmaster Series 70 Extension Housing Seal
Upgrade your Roadmaster Series 70 with our best-selling Extension Housing Seal.
National – Automatic Transmission Extension Housing Seal (Part No.470774)
from
$12.49
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
FAQs for 1946 Buick Roadmaster Series 70 Transmission Seals
What are the best-selling Transmission Seals for 1946 Buick Roadmaster Series 70s?
Out of 2 Transmission Seals that fit 1946 Buick Roadmaster Series 70s, the following parts are the top sellers:
- Automatic Transmission Extension Housing Seal (3269345) – $12.49
- Multi-Purpose Seal (20441593) – $15.49
What’s the price range for 1946 Buick Roadmaster Series 70 Transmission Seals?
The prices of Transmission Seals for the 1946 Buick Roadmaster Series 70 range from $12.49 up to $15.49 for the most premium parts.
What is the average price of a Transmission Seal for a 1946 Buick Roadmaster Series 70?
The average price for Transmission Seals for the 1946 Buick Roadmaster Series 70 is $13.99. 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 Buick Roadmaster Series 70 model years?
What are the cheapest Transmission Seals for my 1946 Buick Roadmaster Series 70?
The cheapest 1946 Buick Roadmaster Series 70 Transmission Seals we carry are:
- Automatic Transmission Extension Housing Seal (3269345) – $12.49
- Multi-Purpose Seal (20441593) – $15.49
Does Advance Auto Parts sell Transmission Seals for any other 1946 Buick models?
Yes. We stock Transmission Seals for 1 other popular 1946 Buick models. Some of the most popular are 1946 Special Series 40 Transmission Seals and 1946 Super Series 50 Transmission Seals.
What types of Transmission Seals do you sell for my 1946 Buick Roadmaster Series 70?
As of 11/2/25, these are some of the most in-demand types of Transmission Seals for a 1946 Buick Roadmaster Series 70:
Can I get help with 1946 Buick Roadmaster Series 70 Transmission Seal orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Buick Transmission Seals and more.
What is your return policy for Buick Roadmaster Series 70 Transmission Seals?
Advance Auto Parts keeps returns simple. For new Buick Roadmaster Series 70 Transmission Seals and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.