Description
The K&N Filters 81-0801 Air Oil Separator is designed to protect your engine and intake tract from blowby by effectively capturing oil in its high-capacity reservoir. This innovative component helps prevent power loss and potential engine damage caused by blowby, ensuring optimal engine performance.
Installation of the K&N Air Oil Separator is straightforward and can be completed in about 30 minutes using basic tools. It utilizes factory-style hose connections, allowing for a quick snap-on and snap-off process. The oil separator replaces the factory line from the crankcase, enabling it to be mounted conveniently in your engine bay. Checking and emptying the oil collector reservoir requires no tools, making maintenance simple and efficient.
Features
- High-capacity reservoir captures blowby oil
- Prevents power loss and engine damage
- Quick and easy installation in about 30 minutes
- Utilizes factory-style hose connections
- Conveniently mounts in engine bay
- No tools needed to check and empty the oil collector reservoir
Frequently Asked Questions
How does the K&N Air Oil Separator work?
The K&N Air Oil Separator captures blowby oil in a high-capacity reservoir, protecting the engine and intake tract.
Is installation difficult?
No, installation is quick and easy, taking about 30 minutes with basic tools.
Do I need tools to check the oil collector reservoir?
No tools are needed to check and empty the oil collector reservoir.
Manuals & Instructions
âš WARNING (California Proposition 65): WARNING: Cancer and Reproductive Harm – www.p65warnings.ca.gov

Not CARB approved. This item is not legal for sale or use on pollution-controlled motor vehicles in California or states that adopt California emissions standards. Intended for off-road / competition use where permitted by law.















