2019-2026 Subaru Ascent Air Oil Separator V3 Crawford Performance

IN STOCK! READY TO GO!

Crawford Performance Air Oil Separator: The Subaru Original

• Not a Catch Can - Closed Loop and Maintenance Free

• Returns Oil back to Crankcase

• Consume Less Oil

• Extend the Life of your Engine

• Reduce Detonation and Risk of Engine / Ringland Failure

• Reduce Fuel Dilution and Subsequent Power Loss

New Dual Chamber (V3) Features:

• Our Latest technology - Not seen anywhere else and Patent Pending
• Double Labyrinth Chambers increase efficiency
• Does not delete Smog Component - Utilizes OEM PCV System
• Worldwide Compatibility: Fits on RHD Vehicles
• No Coolant Line = Easier Install

Oil pooling in your intake? Stop the oil from ever getting there with the Crawford Air Oil Separator.

The Crawford Performance Air Oil Separator (AOS) is the original solution to Subaru's notorious oiling system issues.

Click here to check out our FAQ blog on the technology inside.

Note: more V3 fitment options are currently in R&D. Is your car or application unavailable? Click here to check our V2 Kits.

High-Quality Construction: Built with 6061-T6 billet aluminum and stainless steel for durability and long-lasting performance.