






⚙️ Shift Smarter, Drive Stronger — The ATF That Means Business
Red Line 30504 D4 Synthetic Automatic Transmission Fluid is a premium, low-viscosity ATF engineered for superior gear and synchro protection. Compatible with a wide range of automatic and manual transmissions—including Toyota, Honda, Nissan, BMW, Audi, and VW models—it ensures smooth shifting in cold climates and meets or exceeds Dexron III, Mercon, and GL-4 specifications. Trusted since 1979, this versatile fluid delivers unmatched performance and reliability for discerning drivers.






| Manufacturer | Red Line |
| Brand | Red Line |
| Model | Redline |
| Product Dimensions | 10.16 x 9.91 x 21.84 cm; 771.11 g |
| Item model number | RED30504 |
| Manufacturer Part Number | 30504 |
| OEM Part Number | 30504 |
| Item Weight | 771 g |
| Viscosity | low |
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