COBB Tuning Air Oil Separator Ford Focus ST (LZ) Billet Aluminium

COBB Tuning Air Oil Separator - Ford Focus ST (LZ) - Billet Aluminium

COBB Tuning has spent years refining this Air Oil Separator (AOS) to deliver a seamless, purpose-built solution for the Ford Focus ST. Designed entirely in-house, it intercepts crankcase oil vapours before they can re-enter the intake system — protecting octane quality, reducing carbon buildup, and keeping your engine cleaner over time.

This listing covers the COBB Tuning AOS kit suited to the Ford Focus ST LZ (2013–2018). One variant is available: SKU 891610.

Key Features

• Billet aluminium canister with bright black dip anodising
• Installs in series with the factory PCV circuit — no bypass
• 33% glass-filled nylon spacer plate, injection moulded for precise fitment
• COBB oil drain plate sandwiched between the OEM separator and engine block
• Additional baffling at both the plate and canister to promote oil condensation
• Swirl pot design separates heavier oil particles from blowby vapour
• Condensed oil drains back to the crankcase via a dedicated drain line
• OEM-spec gasket included for a leak-free seal at the engine block
• Laser etched COBB logo

Vehicle compatibility, OEM part numbers, and fitment notes are provided in the tabs above. Please ensure your vehicle's year, trim level, and configuration are confirmed before ordering.

Not sure if this kit suits your build? Contact our team at sales@chicaneaustralia.com.au for expert advice.