K&N Catch Can Oil Separator
Stop oil blowby before it fouls your intake — direct-fit protection for your 2021+ Bronco 2.7L.
Protect the Engine and Intake Tract
The K&N Air Oil Separator protects your engine and intake tract from blowby by capturing oil in an industry-leading high-capacity reservoir. This helps prevent power loss and possible engine damage caused by blowby, and keeps oil and contaminants out of your intake tract where they don't belong.
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Quick, Clean Install
Installs in about 30 minutes with basic tools, using factory-style hose connections that snap on and off. The oil separator replaces the factory line from the crankcase, allowing it to mount to a convenient location in your engine bay. Each unit is engineered specifically for your vehicle.
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Built Better Than Stock
K&N's design reduces oil and contaminant build-up in your intake tract compared to running without a catch can. Backed by K&N's No-Hassle Lifetime Limited Warranty for total peace of mind.
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⚙️ Installation — About 30 Minutes
Basic hand tools required. Full install instructions (PDF) available from K&N.
This part fits: 2021-2024 Ford Bronco Badlands, Black Diamond, Outer Banks, Wildtrak; 2021-2023 Base; 2021-2024 Big Bend; 2021 First Edition; 2023-2024 Heritage Limited Edition; 2024 Heritage Edition (2.7L V6 only).
FAQ
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What does an oil catch can do?
It captures oil vapor/blowby from the crankcase before it reaches the intake tract, protecting against oil buildup, power loss, and premature detonation.
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How long does install take?
About 30 minutes with basic hand tools — factory-style connectors snap on and off.
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Do I need tools to empty the reservoir?
No — the 6oz reservoir can be checked and emptied without tools.
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What's the warranty?
K&N's No-Hassle Lifetime Limited Warranty.
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Does this fit the 2.3L engine?
This version is for the 2.7L V6. See our K&N Oil Catch Can - 2.3L for the 4-cylinder.
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Do I need this on a factory-stock engine?
Yes — catch cans are recommended on both stock and modified engines to reduce carbon buildup over time.
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Ford® and Bronco® are registered trademarks of Ford Motor Company. K&N is an independent aftermarket manufacturer and is not affiliated with, endorsed by, or sponsored by Ford Motor Company.
