Purpose and Specifications

RAVENOL ATF SU5 Fluid 1L is a fully synthetic automatic transmission fluid designed specifically for Subaru 5-speed automatic transmissions. It meets Subaru specs like 4ATF, 5ATF, and ATF HP, ensuring smooth shifting and maximum wear protection in all driving conditions.

This red-colored oil flows easily at low winter temperatures down to -54°C for quick starts, stays stable up to high operating temps around 150°C, and provides excellent cooling to prevent overheating. It protects against wear, corrosion, and foaming while offering superior lubrication for models like Forester, Impreza, Legacy, and Outback.

When to Use / Replace?

Use RAVENOL ATF SU5 Fluid during transmission service or fluid changes on compatible Subaru 5-speed automatics. Replace every 60,000-100,000 km or 4-5 years under normal conditions, or sooner at 30,000-50,000 km for severe use like towing or extreme temps. Shelf life is 5 years unopened when stored cool and dry.

• Perfect for cold starts: Lubricates instantly at -54°C.
• High-heat protection: Stable at 150°C+ for towing or traffic.
• Longer transmission life: Reduces wear for 100,000+ km intervals.

FAQ

Is RAVENOL ATF SU5 Fluid safe for my Subaru Forester? Yes, it's approved for Subaru 5-speed automatics including Forester SG/SH, Impreza GD, Legacy, and Outback with 4ATF/5ATF/ATF HP specs.

How much fluid does a Subaru transmission need? Typically 8-10 liters for a full change; this 1L bottle is ideal for top-offs or partial services.

Can I mix it with other ATF? No, drain fully and refill with RAVENOL SU5 to avoid shifting issues.