1956 Buick Roadmaster Transmission Additives

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Keep Your 1956 Buick Roadmaster in Top Shape with a Quality Transmission Additive

When it comes to maintaining or upgrading your 1956 Buick Roadmaster, 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 Additive for your Roadmaster. We currently carry a top Transmission Additive in stock that is built to last. Whether you’re replacing a damaged Transmission Additive or looking to upgrade, our selection for the 1956 Buick Roadmaster ensures you’ll find exactly what you need to keep your vehicle looking and performing its best.

A Reliable Transmission Additive from a Trusted Brand

When it comes to trusted Transmission Additive brands, we’ve got you covered. Our inventory features a Transmission Additive from Valvoline, a brand you can count on. This Transmission Additive starts at just $35.99 and has a rating of 5 stars from over 17 customer reviews. After you purchase your 1956 Buick Roadmaster Transmission Additive you can scroll below to see options other Buick Roadmaster owners are loving. Even with only one Transmission Additive in stock, you can be confident you’re getting the best option available and designed to fit your Roadmaster perfectly, offering both functionality and style.

Explore Related Parts

And while you’re here, don’t forget to check out related part categories like Coolant/Antifreeze and Fluids to complete your upgrade or repair project. At Advance Auto Parts, we’re proud to offer the parts and expertise to keep your 1956 Buick Roadmaster running smoothly and looking great.

Essential 1956 Buick Roadmaster Transmission Additives

Idemitsu – Type TLS Automatic Transmission Fluid, 1 Quart (Part No.10106-042K)

Type TLS Automatic Transmission Fluid, 1 Quart

from

$11.79
Formulated to meet the specific requirements of Toyota, Lexus, and scion vehicles equipped with conventional (non-CVT) transmissions that require the use of ATF T-IV. Recommended for service-fill in all Toyota, Lexus, and Scion automatic transmissions where ATF T-IV is specified. Fuel economy demands and more sophisticated electronic controls have made automatic transmissions not only more complex, but also unique to each vehicle manufacturer. Long gone are the days of having just a couple choices of automatic transmission fluid type. Idemitsu is the factory fill Automatic Transmission Fluid (ATF) supplier to most Asian imports. Idemitsu application-specific ATF products match the exact friction materials and performance requirements of each different vehicle model for which they are made.

Product Features:
  • Excellent resistance to oxidation and thermal breakdown provide long fluid life and extended protection
  • Precisely engineered frictional characteristics guarantee smooth shifting and outstanding anti-shudder performance
  • Excellent resistance to oxidation and thermal breakdown provide long fluid life and extended protection
  • Excellent seal compatibility and conditioning reduces risk of fluid leaks due to seal shrinkage, hardening and cracking
  • Advanced anti-wear technology provides maximum protection to gears and bearings
  • Excellent seal compatibility and conditioning reduces risk of fluid leaks due to seal shrinkage, hardening and cracking
  • Precisely engineered frictional characteristics guarantee smooth shifting and outstanding anti-shudder performance
  • Provides superior cleanliness, maintaining the transmission free of sludge and varnish deposits
  • Excellent seal compatibility and conditioning reduces risk of fluid leaks due to seal shrinkage, hardening and cracking
  • Advanced anti-wear technology provides maximum protection to gears and bearings
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Valvoline – DEX/MERC Automatic Transmission Fluid, 1 Gallon (Part No.773636)

DEX/MERC Automatic Transmission Fluid, 1 Gallon

from

$35.99
Valvoline DEX/MERC ATF is a high-quality transmission fluid formulated to meet the challenging demands many automatic transmissions. Its responsive low-temperature fluidity is beneficial in both electronic and hydraulic controlled transmissions and transaxles. Recommended for use in the following applications: MERCON®, DEXRON®-III, Ford M2C138-CJ and M2C166-H, Allison C-4 and TES-389, and Caterpillar TO-2.

Product Features:
  • Formulated with premium base stocks and advanced additive technology to meet the challenging demands of automatic transmissions
  • Enhanced anti-shudder protection for smooth shifting and maximum power transfer
  • Developed with anti-wear technology to help improve transmission durability
  • Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
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Most Popular Automatic (CVT) Fluid for 1956 Buick Roadmasters

Enhance your 1956 Buick Roadmaster with this popular Automatic (CVT) Fluid we have in stock, for $35.99.

Valvoline – DEX/MERC Automatic Transmission Fluid, 1 Gallon (Part No.773636)

DEX/MERC Automatic Transmission Fluid, 1 Gallon

from

$35.99
Valvoline DEX/MERC ATF is a high-quality transmission fluid formulated to meet the challenging demands many automatic transmissions. Its responsive low-temperature fluidity is beneficial in both electronic and hydraulic controlled transmissions and transaxles. Recommended for use in the following applications: MERCON®, DEXRON®-III, Ford M2C138-CJ and M2C166-H, Allison C-4 and TES-389, and Caterpillar TO-2.

Product Features:
  • Formulated with premium base stocks and advanced additive technology to meet the challenging demands of automatic transmissions
  • Enhanced anti-shudder protection for smooth shifting and maximum power transfer
  • Developed with anti-wear technology to help improve transmission durability
  • Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
See More

Top-Rated Transmission Additive Brands For Your 1956 Buick Roadmaster

When it comes to finding the perfect Transmission Additive for your 1956 Buick Roadmaster, Advance Auto Parts has you covered with our Transmission Additive from Valvoline. This popular brand is known for its exceptional customer ratings and competitive prices, under $35.99. Purchasing a Transmission Additive from us here at Advance Auto Parts is a smart move for both you and your 1956 Buick Roadmaster, providing peace of mind with parts that meet or exceed OEM standards.

A Reliable Valvoline Transmission Additive For Your 1956 Buick Roadmaster

If you’re looking for a top-quality Transmission Additive for your 1956 Buick Roadmaster, Advance Auto Parts has exactly what you need with our Valvoline Transmission Additives. This Transmission Additive has both durability and a precision fit. Coming in at only $35.99, this is the perfect Transmission Additive for your needs and budget. Valvoline Transmission Additives for the 1956 Buick Roadmaster come highly rated, with over 17 customer reviews. Choosing a Valvoline Transmission Additive from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
DEX/MERC Automatic Transmission Fluid, 1 Gallon
from $35.99
(17)
DEX/MERC Automatic Transmission Fluid, 1 Gallon
“Great product.”

FAQs for 1956 Buick Roadmaster Transmission Additives

What’s the price range for 1956 Buick Roadmaster Transmission Additives?

We currently have just one Transmission Additives for the 1956 Buick Roadmaster in stock: DEX/MERC Automatic Transmission Fluid, 1 Gallon and it costs $35.99.

Does Advance Auto Parts sell Transmission Additives for other Buick Roadmaster model years?

Yes, we carry Transmission Additives for 13 model years of Buick Roadmasters between 1950 and 1996. The following model years are the most popular for Transmission Additive purchases: 1996, 1992, 1951, 1952, 1958, 1957, 1955, 1950, and 1953.

Does Advance Auto Parts sell Transmission Additives for any other 1956 Buick models?

Yes. We stock Transmission Additives for 2 other popular 1956 Buick models. Some of the most popular are 1956 Special Transmission Additives, 1956 Super Transmission Additives, and 1956 Century Transmission Additives.

What are the top-rated Transmission Additives that fit the 1956 Buick Roadmaster?

The one 1956 Buick Roadmaster Transmission Additive we have in stock is the DEX/MERC Automatic Transmission Fluid, 1 Gallon. It is rated 5 stars and costs $35.99.

What types of Transmission Additives do you sell for my 1956 Buick Roadmaster?

We currently have just 1 Transmission Additive in stock for a 1956 Buick Roadmaster, and as of 3/1/26, it is an Automatic (CVT) Fluid.

Can I get help with 1956 Buick Roadmaster Transmission Additive orders?

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

What is your return policy for Buick Roadmaster Transmission Additives?

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