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The K&N 81-0816 Air Oil Separator captures blow-by oil before it reaches the intake tract on 2018-2023 Jeep Wrangler JL and Gladiator models with 3.6L V6 engines. This vehicle-specific design mounts easily in the engine bay using factory hose connections to prevent oil buildup power loss and detonation. Empty the 6 oz reservoir without tools for simple maintenance.
Key Features
- 30-Minute Installation: Quick snap-on setup with basic tools and OEM-style hoses no drilling or cutting required
- Blow-By Protection: High-capacity baffled reservoir traps oil mist and contaminants to safeguard engine and intercooler
- 6 oz Reservoir: Transparent design allows visual level checks twist-off cap empties without tools
- Direct-Fit Design: Replaces PCV line precisely engineered for Jeep 3.6L models
- Lifetime Warranty: Backed by K&N No-Hassle Lifetime Limited Warranty plus robust aluminum construction
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 2020-2024 | Jeep | Gladiator | 80th Anniversary, Altitude, Freedom, High Altitude, High Tide, Jeep Beach, Launch Edition, Mojave, additional manufacturer-listed applications |
| 2018-2024 | Jeep | Wrangler | 80th Anniversary, Freedom, Islander, Rubicon, Rubicon X, Sport, Sport S, Unlimited 80th Anniversary, additional manufacturer-listed applications |
Specifications
| Brand | K&N Engineering |
|---|---|
| Manufacturer Part Number | 81-0816 |
| Product Type | Oil Separators |
| Fitment Type | Vehicle Specific |
| Condition | New |
What's Included
One new K&N oil separators identified by manufacturer part number 81-0816. 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 81-0816 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 81-0816?
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 81-0816?
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
- 30 minutes with basic hand tools disconnect battery first
- Compatible with stock PCV system no modifications needed
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