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⚙️ Shift smarter, not harder — the pro’s choice for flawless transmission performance!
Red Line 30504 D4 Synthetic ATF is a premium 5W synthetic transmission fluid engineered for superior low-temperature shiftability, high thermal stability, and GL-4 gear protection. Compatible with a wide range of automatic and manual transmissions including Toyota, Honda, BMW, and Audi/VW models, it ensures smooth, consistent shifting and extended transmission life. Trusted since 1979, this fluid is the go-to for professionals seeking reliable, high-performance transmission care.






| Asin | B000CPI5XM |
| Best Sellers Rank | #12,357 in Automotive (See Top 100 in Automotive) #17 in Automotive Transmission Fluids |
| Brand Name | Red Line |
| Container Type | Bottle |
| Country Of Origin | USA |
| Customer Reviews | 4.8 4.8 out of 5 stars (1,044) 4.8 out of 5 stars |
| Global Trade Identification Number | 00083522305044 |
| Item Form | Oil |
| Item Weight | 771 g |
| Liquid Volume | 0.95 Liters |
| Manufacturer | Red Line |
| Material | Synthetic |
| Model Number | RED30504 |
| Number Of Items | 1 |
| Number Of Packs | 1 |
| Part Interchange Info | 30504 |
| Part Number | 30504 |
| Recommended Uses For Product | For use in automatic and manual transmissions, power steering, racing transmissions |
| Sae J300 Viscosity Grade | 5W |
| Specific Uses For Product | Automatic and Manual Transmissions, Power Steering |
| Unit Count | 1 Count |
| Upc | 083522305044 |
| Viscosity | 5w |
User
Excellent produit !
Très bon produit, j'utilise ce produit exclusivement pour ma Corvette C6 depuis longtemps !
User
Good
Matches 955 Cayenne transfer case fluid specs.
User
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
User
Four Stars
Great for my Hurth gearboxes on my boat.
User
Easier shifting
Works great in my BMW Z3, only need 1 quart.
Trustpilot
1 week ago
2 weeks ago