K&N Air Oil Separator for 2011-2023 Ford F150 & 2017-2023 Raptor

Our review of the K&N Air Oil Separator finds it ideal for Ford F150 and Raptor owners who want a simple, durable solution to reduce oil blowby and protect the intake tract. The biggest reason to consider this unit is its combination of a high-capacity reservoir and OEM-style connections that deliver effective oil separation without a complicated install. For drivers who notice oil in the intake or want to prevent potential power loss and detonation risks, this catch can is a straightforward upgrade that installs in about 30 minutes and requires minimal maintenance.

Key Features

• Efficient Blowby Protection: Captures oil from crankcase blowby in a high-capacity reservoir to help prevent power loss and engine contamination.
• Enhanced Performance Defense: Reduces the risk of premature detonation and degraded combustion by keeping oil and contaminants out of the intake tract.
• Intake Track Defense: Limits buildup in the intake track so the engine can maintain more consistent performance over time.
• Quick & Easy Installation: Designed for a roughly 30-minute install using basic tools and factory-style hose connections that snap on and off.
• Premium Quality Components: Uses OEM-style connectors and robust hoses with a sturdy aluminum canister for long-lasting durability.

Who It's For

This K&N Air Oil Separator is best for owners of 2011-2023 Ford F150s and 2017-2023 F150 Raptors who want a reliable, OEM-friendly catch can that installs quickly and reduces oil entering the intake. It suits daily drivers and light-duty tow or performance users who want to protect the engine without complex plumbing or frequent maintenance.

It may be less suitable for owners who need extended hose lengths or custom routing because some customers reported the included hoses can be on the short side. Also, it is not legal for sale or use in California on pollution-controlled motor vehicles, so California buyers should look for compliant alternatives.

Pros & Cons

Pros

• Sturdy aluminum construction that looks good and feels durable.
• Simple installation that typically takes under 30 minutes with basic tools.
• Effective at catching oil and protecting the intake, improving long-term engine health.

Cons

• Some users find the supplied hose length too short for certain engine bay layouts, requiring aftermarket hose or rerouting.

Specifications

Product	K&N Air Oil Separator (Catch Can)
Vehicle fit	2011-2023 Ford F150; 2017-2023 Ford F150 Raptor
Primary benefit	Captures blowby oil to protect intake and engine
Installation time	About 30 minutes with basic tools
Connections	Factory-style OEM-style hose connectors
Construction	Aluminum canister with robust hoses
Warranty	No-Hassle Lifetime Limited Warranty

Our Verdict

The K&N Air Oil Separator is a practical, well-built catch can for most F150 and Raptor owners who want to reduce oil contamination in the intake with minimal fuss. It delivers solid build quality, easy installation, and real functionality for protecting engine performance, making it good value for buyers who do not need extended hose lengths or California-compliant parts.

Frequently Asked Questions

Is installation difficult?
Installation is straightforward and generally takes about 30 minutes using basic tools and factory-style hose connections.

Will this fit my F150 or Raptor?
This unit is engineered for 2011-2023 Ford F150 models and 2017-2023 F150 Raptors; customers should verify fit for their specific model year.

How do you empty the collector?
No tools are needed to check or empty the oil collector reservoir; it is designed for simple service access.