2004 Mazda RX-8 Transmission Additives

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Keep Your 2004 Mazda RX-8 in Top Shape with a Quality Transmission Additive

When it comes to maintaining or upgrading your 2004 Mazda RX-8, 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 RX-8. 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 2004 Mazda RX-8 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 Idemitsu, a brand you can count on. This Transmission Additive starts at just $11.79 and has a rating of 5 stars from over 2 customer reviews. After you purchase your 2004 Mazda RX-8 Transmission Additive you can scroll below to see options other Mazda RX-8 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 RX-8 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 2004 Mazda RX-8 running smoothly and looking great.

Essential 2004 Mazda RX-8 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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Valvoline – Extended Protection Automatic Transmission Fluid, 1 Quart (Part No.899179)

Extended Protection Automatic Transmission Fluid, 1 Quart

from

$14.99
Modern transmissions are better than ever, with more gears to help improve fuel efficiency and acceleration. Greater performance calls for greater protection. Valvoline Extended Protection Full Synthetic ATF features our exclusive Dual Defense Additive Technology for two layers of protection against metal-on-metal contact and thermal breakdown, all while minimizing wear on clutch components. In fact, Valvoline Extended Protection Full Synthetic ATF is 45% stronger against breakdown compared to major brand DEX/MERC oxidative PDSC performance. Proven to maximize transmission life, our patented formula is suitable for use in 92% of vehicles in light duty automatic transmissions 2010 and newer. Keep your modern vehicle shifting smoothly, mile after mile, with the ultimate protection you can only expect from Valvoline, the #1 ATF brand.

Product Features:
  • The ultimate protection for your automatic transmission
  • 45% stronger against breakdown
  • Dual Defense Additive Technology combines friction modifiers and anti-wear additives for two layers of protection
  • Suitable for use in over 92% of vehicles in light duty automatic transmissions 2010 and newer
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Most Popular Automatic (CVT) Fluid for 2004 Mazda RX-8s

Enhance your 2004 Mazda RX-8 with this popular Automatic (CVT) Fluid we have in stock, for $11.79.

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
See More

Top-Rated Transmission Additive Brands For Your 2004 Mazda RX-8

When it comes to finding the perfect Transmission Additive for your 2004 Mazda RX-8, Advance Auto Parts has you covered with our Transmission Additive from Idemitsu. This popular brand is known for its exceptional customer ratings and competitive prices, under $11.79. Purchasing a Transmission Additive from us here at Advance Auto Parts is a smart move for both you and your 2004 Mazda RX-8, providing peace of mind with parts that meet or exceed OEM standards.

A Reliable Idemitsu Transmission Additive For Your 2004 Mazda RX-8

If you’re looking for a top-quality Transmission Additive for your 2004 Mazda RX-8, Advance Auto Parts has exactly what you need with our Idemitsu Transmission Additives. This Transmission Additive has both durability and a precision fit. Coming in at only $11.79, this is the perfect Transmission Additive for your needs and budget. Idemitsu Transmission Additives for the 2004 Mazda RX-8 come highly rated, with over 2 customer reviews. Choosing a Idemitsu Transmission Additive from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Type TLS Automatic Transmission Fluid, 1 Quart
from $11.79
(2)
Type TLS Automatic Transmission Fluid, 1 Quart
“Good product. Will buy again.”

FAQs for 2004 Mazda RX-8 Transmission Additives

What’s the price range for 2004 Mazda RX-8 Transmission Additives?

We currently have just one Transmission Additives for the 2004 Mazda RX-8 in stock: Type TLS Automatic Transmission Fluid, 1 Quart and it costs $11.79.

Does Advance Auto Parts sell Transmission Additives for other Mazda RX-8 model years?

Yes, we carry Transmission Additives for 6 model years of Mazda RX-8s between 2005 and 2011. The following model years are the most popular for Transmission Additive purchases: 2010, 2011, 2007, 2008, 2005, 2006, and 2009.

Does Advance Auto Parts sell Transmission Additives for any other 2004 Mazda models?

Yes. We stock Transmission Additives for 4 other popular 2004 Mazda models. Some of the most popular are 2004 MPV Transmission Additives, 2004 6 Transmission Additives, 2004 3 Transmission Additives, 2004 Tribute Transmission Additives, and 2004 Miata Transmission Additives.

What are the top-rated Transmission Additives that fit the 2004 Mazda RX-8?

The one 2004 Mazda RX-8 Transmission Additive we have in stock is the Type TLS Automatic Transmission Fluid, 1 Quart. It is rated 4.5 stars and costs $11.79.

What types of Transmission Additives do you sell for my 2004 Mazda RX-8?

We currently have just 1 Transmission Additive in stock for a 2004 Mazda RX-8, and as of 3/1/26, it is an Automatic (CVT) Fluid.

Can I get help with 2004 Mazda RX-8 Transmission Additive orders?

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

What is your return policy for Mazda RX-8 Transmission Additives?

Advance Auto Parts keeps returns simple. For new Mazda RX-8 Transmission Additives and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.