K&N Air Oil Separator for 2020-2021 Ford Explorer - K&N Engineering KNN81-0808
K&N Air Oil Separator for 2020-2021 Ford Explorer - K&N Engineering KNN81-0808
K&N Air Oil Separator for 2020-2021 Ford Explorer - K&N Engineering KNN81-0808
K&N Air Oil Separator for 2020-2021 Ford Explorer - K&N Engineering KNN81-0808
K&N Air Oil Separator for 2020-2021 Ford Explorer - K&N Engineering KNN81-0808
K&N Air Oil Separator for 2020-2021 Ford Explorer - K&N Engineering KNN81-0808
K&N Air Oil Separator for 2020-2021 Ford Explorer - K&N Engineering KNN81-0808
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K&N Air Oil Separator for 2020-2021 Ford Explorer

KNN81-0808
024844399052
Oil Separators
404 Units In Stock
$ 157.99
$ 157.99

This 81-0808 air oil separator is a direct fit for the 2020-2021 Ford Explorer with the 3.0L EcoBoost. It captures oil and contaminants from crankcase blowby before they can build up in the intake tract, using a high capacity reservoir and factory style connections.

Key Features

  • The K&N Air Oil Separator protects the engine and intake tract from blowby by capturing the oil in our industry leading high capacity reservoir.

Fitment

Years Make Model Application
2020-2021 Ford Explorer Verify engine and application notes

Specifications

Brand K&N Engineering
Manufacturer Part Number 81-0808
Product Type Oil Separators
Fitment Type Vehicle Specific
Condition New

What's Included

One new K&N oil separators identified by manufacturer part number 81-0808. Hardware, adapters, clamps, hoses, filters, and service supplies are included only when stated for this exact product.

About K&N Engineering

K&N develops reusable air filtration, intake, oil filtration, fuel filtration, and related performance products for vehicle-specific and dimensional applications.

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Frequently Asked Questions

How do I confirm K&N 81-0808 fits my vehicle?
Match the year, make, and model in the fitment table, then confirm the engine, factory housing, sensor layout, emissions notes, and any application restrictions stated for this exact part.

What should I verify before ordering K&N 81-0808?
Confirm the exact manufacturer part number, all dimensions, connection sizes, included components, material, and application notes. Do not select the part from appearance alone.

What should be checked after installing K&N 81-0808?
Verify seals, clamps, fasteners, hoses, sensors, wiring, and surrounding clearance as applicable. Check for leaks or contact, then follow the manufacturer service and reinspection schedule.

Installation Instructions

  • Confirm the 81-0808 part number, Ford Explorer application, and 3.0L EcoBoost before opening the package.
  • Park the vehicle safely, allow the engine to cool, and disconnect any components required by the vehicle service procedure.
  • Identify the factory crankcase ventilation line that the separator replaces and clean the connection areas.
  • Remove the original line using the appropriate basic tools without damaging nearby hoses, wiring, or brackets.
  • Position the separator in a secure engine bay location that leaves the reservoir accessible for service.
  • Connect the supplied hoses and OEM style connectors in the correct flow direction and confirm every connection is fully seated.
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