

⚙️ Shift smarter, drive smoother — the synthetic ATF that keeps you ahead of the pack!
Red Line 30504 D4 Synthetic ATF delivers exceptional low-temperature shiftability and high thermal stability, providing GL-4 level gear protection. Compatible with a wide range of automatic and manual transmissions, including popular OEM fluids like Dexron III and Mercon V, it ensures smooth, consistent shifts and extended transmission life. Trusted since 1979, this synthetic fluid is the go-to choice for professionals and enthusiasts seeking reliable, versatile performance.






| ASIN | B000CPI5XM |
| Best Sellers Rank | #21,505 in Automotive ( See Top 100 in Automotive ) #35 in Automotive Transmission Fluids |
| Brand | Red Line |
| Brand Name | Red Line |
| Container Type | Bottle |
| Customer Reviews | 4.8 out of 5 stars 1,034 Reviews |
| Global Trade Identification Number | 00083522305044 |
| Item Form | Oil |
| Item Weight | 1.7 Pounds |
| Item weight | 1.7 Pounds |
| Liquid Volume | 0.95 Liters |
| Liquid volume | 0.95 Liters |
| Manufacturer | Red Line |
| Material | Synthetic |
| Package information | Bottle |
| Recommended Uses For Product | For use in automatic and manual transmissions, power steering, racing transmissions |
| Recommended uses for product | For use in automatic and manual transmissions, power steering, racing transmissions |
| Specific Uses For Product | Automatic and Manual Transmissions, Power Steering |
| UPC | 083522305044 |
| Unit Count | 1 Count |
| Viscosity | 5w |
L**A
Amazing stuff! The fix-all for all Acura transmissions!
L**P
Excellent produit !
Très bon produit, j'utilise ce produit exclusivement pour ma Corvette C6 depuis longtemps !
G**Y
Good
A**W
Super
Ich bin begeistert was der getriebeöl redline d4 atf leistet. Die Schalt Vorgänge sind deutlich weicher und sanfter geworden demnächst werden ich komplette öl Wechsel vornehmen. Tolle Arbeit an die amerikanische öl Industrie
F**L
Four Stars
Trustpilot
2 weeks ago
2 weeks ago