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⚙️ Shift smarter, drive smoother — the ultimate ATF upgrade you can’t afford to miss!
Red Line D4 ATF is a premium synthetic transmission fluid engineered for superior low-temperature performance and high thermal stability. Compatible with a wide range of automatic and manual transmissions, it offers GL-4 level gear protection and smooth shifting across diverse vehicle models. Trusted since 1979, this 946ml quart bottle delivers extended transmission life and versatile use, making it the go-to choice for discerning drivers and mechanics alike.






| ASIN | B000CPI5XM |
| Best Sellers Rank | 262,921 in Automotive ( See Top 100 in Automotive ) 462 in Gear Oils |
| Brand | Red Line |
| Brand Name | Red Line |
| Container Type | Bottle |
| Customer Reviews | 4.8 out of 5 stars 549 Reviews |
| Global Trade Identification Number | 00083522305044 |
| Included Components | Per Item Description |
| Item Form | Oil |
| Item Weight | 771 g |
| Item weight | 771 g |
| Liquid Volume | 0.95 Litres |
| Liquid volume | 0.95 Litres |
| Manufacturer | Red Line Oil |
| Material | Synthetic |
| Model Number | RED30504 |
| Number of Items | 1 |
| Package information | Bottle |
| Part Number | 30504 |
| Recommended Uses For Product | Automatic Transmissions |
| Recommended uses for product | Automatic Transmissions |
| SAE J300 Viscosity Grade | 5W |
| Specific Uses For Product | Automatic Transmissions, Passenger Cars & Light Trucks |
| UPC | 083522305044 |
| Unit Count | 946.0 millilitre |
| Viscosity | 5w |
G**Y
Good
Matches 955 Cayenne transfer case fluid specs.
F**L
Four Stars
Great for my Hurth gearboxes on my boat.
Trustpilot
2 months ago
4 days ago