Colección: Crawford Performance: Separadores Aire-Aceite Subaru

Crawford Performance Subaru Air Oil Separators

The Original. The Proven. The Protection Your Subaru Deserves.

When it comes to protecting your Subaru’s heart, nothing beats the Crawford Air/Oil Separator—the original AOS that started a revolution in Subaru engine longevity. Engineered, track-tested, and race-proven, our AOS units are trusted by enthusiasts, tuners, and professional drivers worldwide.

Why Crawford?

✔️ Eliminates Oil Blow-By: Keeps your intake and intercooler free from oil contamination
✔️ Preserves Performance: Prevents detonation and extends engine life under high boost
✔️ Zero Maintenance: Closed-loop design means no emptying, ever
✔️ Track-Tested Reliability: Designed during the original Gymkhana builds for Ken Block
✔️ Bolt-On Simplicity: Direct fitment for WRX, STI, Forester XT, and more

From daily street builds to high-horsepower track weapons, Crawford’s Air/Oil Separator is the gold standard in engine protection. Don’t risk your motor with cheap imitations—run the original. Run Crawford.

Shop Now. Protect Your Build.