2008 Mazda RX-8 Transmission Additives

Please Select your Vehicle to See Exact Fit Parts

Keep Your 2008 Mazda RX-8 in Top Shape with Quality Transmission Additives

Whether you’re repairing or upgrading your Transmission Additive, using high-quality parts is key to keeping your 2008 Mazda RX-8 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Automatic (CVT) Fluids. 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.

Top-Rated Transmission Additives from Trusted Brands

Looking for a reliable Transmission Additive? We’ve got you covered with options from brands you know and trust like Idemitsu. For example, Idemitsu Transmission Additives start at just $11.79 with an average 4.9 star rating. With over 6 reviews and a solid 5 star average, you can shop with confidence knowing other Mazda RX-8 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2008 Mazda RX-8 Transmission Additive at Advance Auto Parts is around $13.39, with a range that starts at $11.79 and goes up to $14.99. With 2 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Extended Protection Automatic Transmission Fluid, 1 Quart start at just $14.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Transmission Additive, don’t forget to check out other key components like Coolant/Antifreeze and Fluids. At Advance Auto Parts, we’re here to help you keep your 2008 Mazda RX-8 in peak condition, inside and out.

Essential 2008 Mazda RX-8 Transmission Additives

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

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
See More

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

Most Popular Automatic (CVT) Fluids for 2008 Mazda RX-8s

Enhance your 2008 Mazda RX-8 with one of the 2 Automatic (CVT) Fluids we have in stock, starting at just $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

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
See More

Top-Rated Transmission Additive Brands For Your 2008 Mazda RX-8

When it comes to finding the perfect Transmission Additive for your 2008 Mazda RX-8, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 2 trusted brands. We carry the most popular Transmission Additive brands including Idemitsu, and more, all known for their exceptional customer ratings (average brand rating of 4.9 stars) and competitive prices, as low as $11.79. Purchasing a Transmission Additive from us here at Advance Auto Parts is a smart move for both you and your 2008 Mazda RX-8, providing peace of mind with parts that meet or exceed OEM standards.

Popular Idemitsu 2008 Mazda RX-8 Transmission Additives

If you’re looking for a top-quality Transmission Additive for your 2008 Mazda RX-8, Advance Auto Parts has exactly what you need with our selection of Idemitsu Transmission Additives. We have 1 Idemitsu Transmission Additives in stock for this fitment, all known for their durability and precision fit. With prices starting at just $11.79, you’ll find the perfect Transmission Additive for your needs and budget. Idemitsu Transmission Additives for the 2008 Mazda RX-8 come highly rated, with over 2 customer reviews and an impressive average rating of 4.9 stars. 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 2008 Mazda RX-8 Transmission Additives

What are the best-selling Transmission Additives for 2008 Mazda RX-8s?

Out of 2 Transmission Additives that fit 2008 Mazda RX-8s, the following parts are the top sellers:

What’s the price range for 2008 Mazda RX-8 Transmission Additives?

The prices of Transmission Additives for the 2008 Mazda RX-8 range from $11.79 up to $14.99 for the most premium parts.

What is the average price of a Transmission Additive for a 2008 Mazda RX-8?

The average price for Transmission Additives for the 2008 Mazda RX-8 is $13.39. Keep in mind the variety of part types within our Transmission Additive 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 Additives for other Mazda RX-8 model years?

Yes, we carry Transmission Additives for 6 model years of Mazda RX-8s between 2004 and 2011. The following model years are the most popular for Transmission Additive purchases: 2004, 2010, 2011, 2007, 2005, 2006, and 2009.

What are the cheapest Transmission Additives for my 2008 Mazda RX-8?

The cheapest 2008 Mazda RX-8 Transmission Additives we carry are:

Does Advance Auto Parts sell Transmission Additives for any other 2008 Mazda models?

Yes. We stock Transmission Additives for 7 other popular 2008 Mazda models. Some of the most popular are 2008 6 Transmission Additives, 2008 B2300 Transmission Additives, 2008 CX-9 Transmission Additives, 2008 3 Transmission Additives, and 2008 Tribute Transmission Additives.

What are the top-rated Transmission Additives that fit the 2008 Mazda RX-8?

The one 2008 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 2008 Mazda RX-8?

We currently have just 1 Transmission Additive in stock for a 2008 Mazda RX-8, and as of 3/1/26, it is an Automatic (CVT) Fluid.

Can I get help with 2008 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.