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Non-toxic Red Line 30504 D4 Synthetic Automatic Transmission Fluid (atf) - 1 Quart (12 Pack) Now 70% Cheaper [kLanfiyF]

$38.99 $124.99 -69%

Red Line 30504 D4 Synthetic ATF - Versatile PerformanceIntroducing the Red Line 30504 D4 Synthetic Automatic Transmission Fluid (ATF), the go-to choice for drivers seeking unmatched performance and versatility. This premium fluid is designed for a wi

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Non-toxic Red Line 30504 D4 Synthetic Automatic Transmission Fluid (atf) - 1 Quart (12 Pack) Now 70% Cheaper [kLanfiyF]

Red Line 30504 D4 Synthetic ATF - Versatile Performance

Introducing the Red Line 30504 D4 Synthetic Automatic Transmission Fluid (ATF), the go-to choice for drivers seeking unmatched performance and versatility. This premium fluid is designed for a wide range of applications, making it the perfect choice for both new and old vehicles. With its compatibility with Dexron III, Dexron II, and Mercon fluids, the Red Line D4 ATF ensures smooth and consistent shifts, extending drain intervals and providing exceptional gear and synchro protection. Its balanced frictional characteristics deliver smooth shifting, even in cold weather, making it an excellent choice for manual transmissions and transaxles like the Corvette's T-56.

Advanced Synthetic Formula and Enhanced Performance

The Red Line 30504 D4 ATF is a fully-synthetic product, engineered to meet the stringent requirements of the new Dexron IV and Mercon specifications. This advanced formula offers improved low-temperature requirements and enhanced shear-stability, ensuring high-temperature operation without the risk of varnishing valves and clutches. The fluid's superior thermal stability and lower volatility characteristics provide much quicker shifting in cold weather, making it an ideal choice for a variety of vehicles. Additionally, the Red Line Synthetic ATF provides a GL-4 level of gear protection, making it a superior choice for transmissions and transaxles.

Extensive Applications and Unmatched Benefits

Whether you're driving a Toyota, Honda, Nissan, or a late-model BMW, the Red Line 30504 D4 ATF is the perfect choice for your automatic or manual transmission. Its versatility is unmatched, as it is recommended for use with Dexron III, Dexron II, Mercon, and Mercon V fluids. This makes it a popular transmission fluid for a wide range of vehicles, including Toyota Type T-III and T-IV, Honda ATF-Z1, Nissan Matic D, J & K, Diamond SP-II, SP-III, Mazda ATF M-V, and most BMW and Audi/VW automatic transmissions. With Red Line, you can expect performance and protection that outshine the competition, making it the ideal choice for drivers who demand the best.

What Our Customers Say

January 18, 2026

Absolutely no complaints!

A very good product, I have to say for sure and for certain.

- Caswallon A..

January 18, 2026

Absolutely no complaints!

It’s a very fine tool. I do really, really love it.

- Gwydion P..

January 18, 2026

Absolutely no complaints!

This has made my daily tasks much, much, much, much easier.

- Rhisiart C..

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