Stellar Automotive Group R4AX-EL External Spin-On Filter – Compatible for Subaru 1998-Up

Make transmission service fast and simple with this high-performance external spin-on filter for Nissan RE4R01A / R4AX-EL 4-speed automatics from Stellar Automotive Group.

This direct-replacement spin-on filter mounts in the cooler line and features extended surface area for superior fluid circulation — essential for preventing overheating, harsh shifts, and solenoid issues in these popular Subaru transmissions. Regular replacement (every 30k-60k miles or during fluid changes) is critical when driving in hot climates, towing, or off-road conditions.

Perfect fit for popular models including:

• Subaru Legacy
• Subaru Outback
• Subaru Impreza
• Subaru Forester

Common symptoms this filter resolves:

• Shudder or harsh shifts when hot
• Delayed engagement or slipping
• Transmission overheating under load
• Solenoid or pressure control codes

Easy 5-minute service – spin off the old filter like an oil filter and install the new one. No pan drop required.

Note: All parts are distributed, not designed or manufactured, by Stellar Automotive Group.

Add this essential R4AX-EL external filter to your cart today and keep your Subaru transmission cool and reliable!