1977 Mazda Cosmo Transmission Seals

Keep Your 1977 Mazda Cosmo in Top Shape with a Quality Transmission Seal

When it comes to maintaining or upgrading your 1977 Mazda Cosmo, choosing high-quality parts is crucial for ensuring your vehicle stays in top shape, whether you’re tackling a repair or enhancing performance. At Advance Auto Parts, we know how important it is to find the right Transmission Seal for your Cosmo. We currently carry a top Transmission Seal in stock that is built to last. Whether you’re replacing a damaged Transmission Seal or looking to upgrade, our selection for the 1977 Mazda Cosmo ensures you’ll find exactly what you need to keep your vehicle looking and performing its best.

A Reliable Transmission Seal from a Trusted Brand

When it comes to trusted Transmission Seal brands, we’ve got you covered. Our inventory features a Transmission Seal from National, a brand you can count on. This Transmission Seal starts at just $11.49 and has a rating of 5 stars from over 1 customer review. After you purchase your 1977 Mazda Cosmo Transmission Seal you can scroll below to see options other Mazda Cosmo owners are loving. Even with only one Transmission Seal in stock, you can be confident you’re getting the best option available and designed to fit your Cosmo perfectly, offering both functionality and style.

Explore Related Parts

And while you’re here, don’t forget to check out related part categories like Torque Converter and Related Products and Transmission Cooler and Parts to complete your upgrade or repair project. At Advance Auto Parts, we’re proud to offer the parts and expertise to keep your 1977 Mazda Cosmo running smoothly and looking great.

Most Popular Transmission Seals and O-ring for 1977 Mazda Cosmos

Enhance your 1977 Mazda Cosmo with this popular Transmission Seals and O-ring we have in stock, for $11.49.

National – Multi-Purpose Seal (Part No.1990)

Multi-Purpose Seal

from

$11.49
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:
  • 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
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Top-Rated Transmission Seal Brands For Your 1977 Mazda Cosmo

When it comes to finding the perfect Transmission Seal for your 1977 Mazda Cosmo, Advance Auto Parts has you covered with our Transmission Seal from National. This popular brand is known for its exceptional customer ratings and competitive prices, under $11.49. Purchasing a Transmission Seal from us here at Advance Auto Parts is a smart move for both you and your 1977 Mazda Cosmo, providing peace of mind with parts that meet or exceed OEM standards.

A Reliable National Transmission Seal For Your 1977 Mazda Cosmo

If you’re looking for a top-quality Transmission Seal for your 1977 Mazda Cosmo, Advance Auto Parts has exactly what you need with our National Transmission Seals. This Transmission Seal has both durability and a precision fit. Coming in at only $11.49, this is the perfect Transmission Seal for your needs and budget. National Transmission Seals for the 1977 Mazda Cosmo come highly rated, with over 1 customer reviews. Choosing a National Transmission Seal from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Multi-Purpose Seal
from $11.49
(1)
Multi-Purpose Seal
“good fit”

FAQs for 1977 Mazda Cosmo Transmission Seals

What’s the price range for 1977 Mazda Cosmo Transmission Seals?

We currently have just one Transmission Seals for the 1977 Mazda Cosmo in stock: Multi-Purpose Seal and it costs $11.49.

Does Advance Auto Parts sell Transmission Seals for any other 1977 Mazda models?

Yes. We stock Transmission Seals for 6 other popular 1977 Mazda models. Some of the most popular are 1977 GLC Transmission Seals, 1977 808 Transmission Seals, 1977 Mizer Transmission Seals, 1977 RX-3 Transmission Seals, and 1977 RX-4 Transmission Seals.

What are the top-rated Transmission Seals that fit the 1977 Mazda Cosmo?

The one 1977 Mazda Cosmo Transmission Seal we have in stock is the Multi-Purpose Seal. It is rated 5 stars and costs $11.49.

What types of Transmission Seals do you sell for my 1977 Mazda Cosmo?

We currently have just 1 Transmission Seal in stock for a 1977 Mazda Cosmo, and as of 11/2/25, it is a Transmission Seals and O-ring.

Can I get help with 1977 Mazda Cosmo Transmission Seal orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Mazda Transmission Seals and more.

What is your return policy for Mazda Cosmo Transmission Seals?

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