K&N Engineering 81-0816 Air Oil Separator for 2018-2023 Jeep Wrangler JL 3.6L

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. This helps prevent power loss and possible engine damage caused by blowby. The K&N Air Oil Separator is quick and easy to install in about 30 minutes with basic tools and uses factory-style hose connections to quickly snap on and off. The oil separator replaces the factory line from the crank case allowing the oil separator to be mounted to a coinvent location in your engine bay. No tools are needed to check and empty the oil collector reservoir. Each unit is engineered specifically for your vehicle and is backed by our No-Hassle Lifetime Limited Warranty. 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.

• No-Hassle Lifetime Limited Warranty

The K&N Engineering 81-0816 Air Oil Separator is designed for 2018-2023 Jeep Wrangler JL models equipped with the 3.6L engine. It helps protect the engine and intake tract from crankcase blowby by capturing oil vapor and contaminants before they can be recirculated through the intake system. By reducing oil accumulation, the separator helps support consistent engine performance and may help reduce power loss and potential damage associated with blowby.

Engineered specifically for the Jeep Wrangler JL, this air oil separator replaces the factory crankcase line and can be mounted in a convenient location within the engine bay. Factory-style hose connections allow for a quick installation and secure fit, generally requiring about 30 minutes and basic hand tools. The high-capacity reservoir is designed for effective collection, while the collector can be checked and emptied without tools for convenient maintenance.

The K&N Engineering 81-0816 features durable vehicle-specific construction and is backed by the K&N No-Hassle Lifetime Limited Warranty. It is intended for automotive applications and is not CARB approved. Review local emissions requirements before installation or use. Each package includes the air oil separator assembly and vehicle-specific installation components needed for the intended application.

Key Product Specifications and Technical Data

• Brand: K&N Engineering
• Part Number: 81-0816
• Product Type: Air oil separator
• Application: Automotive
• Vehicle: Jeep Wrangler JL
• Engine Compatibility: 3.6L
• Connection Type: Factory-style hose connections
• Warranty: No-Hassle Lifetime Limited Warranty

What's Included

• K&N Engineering 81-0816 air oil separator
• Vehicle-specific mounting and connection components
• Installation instructions

Fitment

Fits select 2018-2023 Jeep Wrangler JL models with the 3.6L engine. Verify vehicle year, model, engine, and emissions requirements before ordering.

Features:

• Blowby Protection: Captures oil vapor and contaminants to help protect the engine and intake tract.
• High-Capacity Reservoir: Collects separated oil for efficient monitoring and routine servicing.
• Vehicle-Specific Design: Engineered for select 2018-2023 Jeep Wrangler JL 3.6L applications.
• Quick Installation and Service: Uses factory-style hose connections and a tool-free collector inspection and emptying process.

Fitments:
2018 Jeep Wrangler Rubicon
2018 Jeep Wrangler Sport
2018 Jeep Wrangler Sport S
2018 Jeep Wrangler Unlimited Moab
2018 Jeep Wrangler Unlimited Rubicon
2018 Jeep Wrangler Unlimited Sahara
2018 Jeep Wrangler Unlimited Sport
2018 Jeep Wrangler Unlimited Sport S
2019 Jeep Wrangler Rubicon
2019 Jeep Wrangler Sport
2019 Jeep Wrangler Sport S
2019 Jeep Wrangler Unlimited Moab
2019 Jeep Wrangler Unlimited Rubicon
2019 Jeep Wrangler Unlimited Sahara
2019 Jeep Wrangler Unlimited Sport
2019 Jeep Wrangler Unlimited Sport S
2020 Jeep Gladiator Altitude
2020 Jeep Gladiator Launch Edition
2020 Jeep Gladiator Mojave
2020 Jeep Gladiator Overland
2020 Jeep Gladiator Rubicon
2020 Jeep Gladiator Sport
2020 Jeep Gladiator Sport S
2020 Jeep Wrangler Rubicon
2020 Jeep Wrangler Sport
2020 Jeep Wrangler Sport S
2020 Jeep Wrangler Unlimited Rubicon
2020 Jeep Wrangler Unlimited Sahara
2020 Jeep Wrangler Unlimited Sport
2020 Jeep Wrangler Unlimited Sport S
2021 Jeep Gladiator 80th Anniversary
2021 Jeep Gladiator High Altitude
2021 Jeep Gladiator Mojave
2021 Jeep Gladiator Overland
2021 Jeep Gladiator Rubicon
2021 Jeep Gladiator Sport
2021 Jeep Gladiator Sport S
2021 Jeep Gladiator Texas Trail
2021 Jeep Gladiator Willys
2021 Jeep Gladiator Willys Sport
2021 Jeep Wrangler 80th Anniversary
2021 Jeep Wrangler Freedom
2021 Jeep Wrangler Islander
2021 Jeep Wrangler Rubicon
2021 Jeep Wrangler Sport
2021 Jeep Wrangler Sport S
2021 Jeep Wrangler Unlimited 80th Anniversary
2021 Jeep Wrangler Unlimited Freedom
2021 Jeep Wrangler Unlimited High Altitude
2021 Jeep Wrangler Unlimited Islander
2021 Jeep Wrangler Unlimited Rubicon
2021 Jeep Wrangler Unlimited Sahara
2021 Jeep Wrangler Unlimited Sahara Altitude
2021 Jeep Wrangler Unlimited Sport
2021 Jeep Wrangler Unlimited Sport Altitude
2021 Jeep Wrangler Unlimited Sport S
2021 Jeep Wrangler Unlimited Willys
2021 Jeep Wrangler Unlimited Willys Sport
2021 Jeep Wrangler Willys
2021 Jeep Wrangler Willys Sport
2022 Jeep Gladiator Altitude
2022 Jeep Gladiator High Altitude
2022 Jeep Gladiator Mojave
2022 Jeep Gladiator Overland
2022 Jeep Gladiator Rubicon
2022 Jeep Gladiator Sport
2022 Jeep Gladiator Sport S
2022 Jeep Gladiator Texas Trail
2022 Jeep Gladiator Willys
2022 Jeep Gladiator Willys Sport
2022 Jeep Wrangler Rubicon
2022 Jeep Wrangler Sport
2022 Jeep Wrangler Sport S
2022 Jeep Wrangler Unlimited High Altitude
2022 Jeep Wrangler Unlimited High Tide
2022 Jeep Wrangler Unlimited Rubicon
2022 Jeep Wrangler Unlimited Sahara
2022 Jeep Wrangler Unlimited Sahara Altitude
2022 Jeep Wrangler Unlimited Sport
2022 Jeep Wrangler Unlimited Sport Altitude
2022 Jeep Wrangler Unlimited Sport S
2022 Jeep Wrangler Unlimited Willys
2022 Jeep Wrangler Unlimited Willys Sport
2022 Jeep Wrangler Willys
2022 Jeep Wrangler Willys Sport
2023 Jeep Gladiator Freedom
2023 Jeep Gladiator High Altitude
2023 Jeep Gladiator Mojave
2023 Jeep Gladiator Overland
2023 Jeep Gladiator Rubicon
2023 Jeep Gladiator Sport
2023 Jeep Gladiator Sport S
2023 Jeep Gladiator Texas Trail
2023 Jeep Gladiator Willys
2023 Jeep Gladiator Willys Sport
2023 Jeep Wrangler Freedom
2023 Jeep Wrangler Rubicon
2023 Jeep Wrangler Sport
2023 Jeep Wrangler Sport S
2023 Jeep Wrangler Unlimited High Altitude
2023 Jeep Wrangler Unlimited High Tide
2023 Jeep Wrangler Unlimited Sahara
2023 Jeep Wrangler Unlimited Sahara Altitude
2023 Jeep Wrangler Unlimited Sport Altitude
2023 Jeep Wrangler Willys
2023 Jeep Wrangler Willys Sport
2024 Jeep Gladiator High Tide
2024 Jeep Gladiator Jeep Beach
2024 Jeep Gladiator Mojave
2024 Jeep Gladiator Mojave X
2024 Jeep Gladiator NightHawk
2024 Jeep Gladiator Rubicon
2024 Jeep Gladiator Rubicon X
2024 Jeep Gladiator Sport
2024 Jeep Gladiator Sport S
2024 Jeep Gladiator Texas Trail
2024 Jeep Gladiator Willys
2024 Jeep Wrangler Rubicon
2024 Jeep Wrangler Rubicon X
2024 Jeep Wrangler Sport
2024 Jeep Wrangler Sport S
2024 Jeep Wrangler Unlimited Sahara
2024 Jeep Wrangler Willys
2024 Jeep Wrangler Willys Sport
2025 Jeep Gladiator High Tide
2025 Jeep Gladiator Mojave
2025 Jeep Gladiator Mojave X
2025 Jeep Gladiator NightHawk
2025 Jeep Gladiator Rubicon
2025 Jeep Gladiator Rubicon X
2025 Jeep Gladiator Sport
2025 Jeep Gladiator Sport S
2025 Jeep Gladiator Texas Trail
2025 Jeep Gladiator Willys
2025 Jeep Wrangler Rubicon
2025 Jeep Wrangler Rubicon X
2025 Jeep Wrangler Sahara
2025 Jeep Wrangler Sport
2025 Jeep Wrangler Sport S
2025 Jeep Wrangler Willys

Air Freight Prohibited: false
Not Carb Approved: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1