The TeraFlex JL / JT 3.6L: Crankcase Vent System Kit (CVS) prevents oil from being drawn into the intake by engine vacuum while driving on extreme inclines. This kit adds a second PCV valve to the front of the engine via an oil fill cap adapter and T-fitting.
Adding a second PCV valve at the opposite end of the engine ensures only air is allowed to enter the crankcase vent system regardless of engine orientation while off-roading. A Ball Check Valve System cuts the flow of oil ensuring oil is kept away from the intake.
On steep inclines, engine oil flows to the rear of the engine and valve covers. At extreme angles, the factory PCV system allows engine vacuum to draw oil through the PCV valve and intake into the combustion chamber. This causes exhaust smoke from the burning oil and possibly hydro locking the engine and other internal damage.
Includes:
- Oil Fill Cap to Crankcase Vent Adapter
- PCV Valve
- Ball Check Valve System
- Hoses
- All necessary hardware
Fitment: Vehicle(s):
- JL Wrangler (2-door)
- JL Wrangler Unlimited (4-door)
- JT Gladiator (pickup)
Specs:
- Engine: 3.6-liter Pentastar V-6 ONLY
- Left-Hand Drive models ONLY - Does Not fit Right-Hand Drive models
- Does Not fit 2.0-liter Turbo I-4, 3.0-liter EcoDiesel V-6, or 392/6.4-liter Hemi V-8
This Part Fits:
| Year |
Make |
Model |
Submodel |
Notes |
| 2018 |
Jeep |
Wrangler |
Sport |
|
| 2019 |
Jeep |
Wrangler |
Sport |
|
| 2020 |
Jeep |
Wrangler |
Sport |
|
| 2021 |
Jeep |
Wrangler |
Sport |
|
| 2022 |
Jeep |
Wrangler |
Sport |
|
| 2023 |
Jeep |
Wrangler |
Sport |
|
| 2024 |
Jeep |
Wrangler |
Sport |
|
| 2025 |
Jeep |
Wrangler |
Sport |
|
| 2018 |
Jeep |
Wrangler |
Unlimited Sport S |
|
| 2019 |
Jeep |
Wrangler |
Unlimited Sport S |
|
| 2020 |
Jeep |
Wrangler |
Unlimited Sport S |
|
| 2021 |
Jeep |
Wrangler |
Unlimited Sport S |
|
| 2022 |
Jeep |
Wrangler |
Unlimited Sport S |
|
| 2018 |
Jeep |
Wrangler |
Unlimited Moab |
|
| 2019 |
Jeep |
Wrangler |
Unlimited Moab |
|
| 2018 |
Jeep |
Wrangler |
Unlimited Rubicon |
|
| 2019 |
Jeep |
Wrangler |
Unlimited Rubicon |
|
| 2020 |
Jeep |
Wrangler |
Unlimited Rubicon |
|
| 2021 |
Jeep |
Wrangler |
Unlimited Rubicon |
|
| 2022 |
Jeep |
Wrangler |
Unlimited Rubicon |
|
| 2018 |
Jeep |
Wrangler |
Rubicon |
|
| 2019 |
Jeep |
Wrangler |
Rubicon |
|
| 2020 |
Jeep |
Wrangler |
Rubicon |
|
| 2021 |
Jeep |
Wrangler |
Rubicon |
|
| 2022 |
Jeep |
Wrangler |
Rubicon |
|
| 2023 |
Jeep |
Wrangler |
Rubicon |
|
| 2024 |
Jeep |
Wrangler |
Rubicon |
|
| 2025 |
Jeep |
Wrangler |
Rubicon |
|
| 2018 |
Jeep |
Wrangler |
Unlimited Sahara |
|
| 2019 |
Jeep |
Wrangler |
Unlimited Sahara |
|
| 2020 |
Jeep |
Wrangler |
Unlimited Sahara |
|
| 2021 |
Jeep |
Wrangler |
Unlimited Sahara |
|
| 2022 |
Jeep |
Wrangler |
Unlimited Sahara |
|
| 2018 |
Jeep |
Wrangler |
Unlimited Sport |
|
| 2019 |
Jeep |
Wrangler |
Unlimited Sport |
|
| 2020 |
Jeep |
Wrangler |
Unlimited Sport |
|
| 2021 |
Jeep |
Wrangler |
Unlimited Sport |
|
| 2022 |
Jeep |
Wrangler |
Unlimited Sport |
|
| 2018 |
Jeep |
Wrangler |
Sport S |
|
| 2019 |
Jeep |
Wrangler |
Sport S |
|
| 2020 |
Jeep |
Wrangler |
Sport S |
|
| 2021 |
Jeep |
Wrangler |
Sport S |
|
| 2022 |
Jeep |
Wrangler |
Sport S |
|
| 2023 |
Jeep |
Wrangler |
Sport S |
|
| 2024 |
Jeep |
Wrangler |
Sport S |
|
| 2025 |
Jeep |
Wrangler |
Sport S |
|
| 2020 |
Jeep |
Gladiator |
Mojave |
|
| 2021 |
Jeep |
Gladiator |
Mojave |
|
| 2022 |
Jeep |
Gladiator |
Mojave |
|
| 2023 |
Jeep |
Gladiator |
Mojave |
|
| 2024 |
Jeep |
Gladiator |
Mojave |
|
| 2025 |
Jeep |
Gladiator |
Mojave |
|
| 2020 |
Jeep |
Gladiator |
Altitude |
|
| 2020 |
Jeep |
Gladiator |
Sport S |
|
| 2021 |
Jeep |
Gladiator |
Sport S |
|
| 2022 |
Jeep |
Gladiator |
Sport S |
|
| 2023 |
Jeep |
Gladiator |
Sport S |
|
| 2024 |
Jeep |
Gladiator |
Sport S |
|
| 2025 |
Jeep |
Gladiator |
Sport S |
|
| 2020 |
Jeep |
Gladiator |
Launch Edition |
|
| 2020 |
Jeep |
Gladiator |
Sport |
|
| 2021 |
Jeep |
Gladiator |
Sport |
|
| 2022 |
Jeep |
Gladiator |
Sport |
|
| 2023 |
Jeep |
Gladiator |
Sport |
|
| 2024 |
Jeep |
Gladiator |
Sport |
|
| 2025 |
Jeep |
Gladiator |
Sport |
|
| 2020 |
Jeep |
Gladiator |
Overland |
|
| 2021 |
Jeep |
Gladiator |
Overland |
|
| 2022 |
Jeep |
Gladiator |
Overland |
|
| 2023 |
Jeep |
Gladiator |
Overland |
|
| 2020 |
Jeep |
Gladiator |
Rubicon |
|
| 2021 |
Jeep |
Gladiator |
Rubicon |
|
| 2022 |
Jeep |
Gladiator |
Rubicon |
|
| 2023 |
Jeep |
Gladiator |
Rubicon |
|
| 2024 |
Jeep |
Gladiator |
Rubicon |
|
| 2025 |
Jeep |
Gladiator |
Rubicon |
|
| 2021 |
Jeep |
Gladiator |
Texas Trail |
|
| 2022 |
Jeep |
Gladiator |
Texas Trail |
|
| 2023 |
Jeep |
Gladiator |
Texas Trail |
|
| 2024 |
Jeep |
Gladiator |
Texas Trail |
|
| 2025 |
Jeep |
Gladiator |
Texas Trail |
|
| 2021 |
Jeep |
Wrangler |
Unlimited 80th Anniversary |
|
| 2021 |
Jeep |
Wrangler |
Unlimited Freedom |
|
| 2021 |
Jeep |
Wrangler |
Unlimited High Altitude |
|
| 2022 |
Jeep |
Wrangler |
Unlimited High Altitude |
|
| 2021 |
Jeep |
Wrangler |
Unlimited High Altitude 4xe |
|
| 2022 |
Jeep |
Wrangler |
Unlimited High Altitude 4xe |
|
| 2021 |
Jeep |
Wrangler |
Unlimited Islander |
|
| 2021 |
Jeep |
Wrangler |
Unlimited Willys |
|
| 2022 |
Jeep |
Wrangler |
Unlimited Willys |
|
| 2021 |
Jeep |
Wrangler |
Willys Sport |
|
| 2022 |
Jeep |
Wrangler |
Willys Sport |
|
| 2023 |
Jeep |
Wrangler |
Willys Sport |
|
| 2024 |
Jeep |
Wrangler |
Willys Sport |
|
| 2021 |
Jeep |
Wrangler |
Unlimited Sport Altitude |
|
| 2022 |
Jeep |
Wrangler |
Unlimited Sport Altitude |
|
| 2021 |
Jeep |
Wrangler |
Unlimited Rubicon 392 |
|
| 2022 |
Jeep |
Wrangler |
Unlimited Rubicon 392 |
|
| 2021 |
Jeep |
Wrangler |
Unlimited Rubicon 4xe |
|
| 2022 |
Jeep |
Wrangler |
Unlimited Rubicon 4xe |
|
| 2021 |
Jeep |
Wrangler |
Willys |
|
| 2022 |
Jeep |
Wrangler |
Willys |
|
| 2023 |
Jeep |
Wrangler |
Willys |
|
| 2024 |
Jeep |
Wrangler |
Willys |
|
| 2025 |
Jeep |
Wrangler |
Willys |
|
| 2021 |
Jeep |
Wrangler |
Unlimited Sahara 4xe |
|
| 2022 |
Jeep |
Wrangler |
Unlimited Sahara 4xe |
|
| 2021 |
Jeep |
Wrangler |
Unlimited Sahara Altitude |
|
| 2022 |
Jeep |
Wrangler |
Unlimited Sahara Altitude |
|
| 2021 |
Jeep |
Wrangler |
Unlimited Willys Sport |
|
| 2022 |
Jeep |
Wrangler |
Unlimited Willys Sport |
|
| 2021 |
Jeep |
Gladiator |
Willys |
|
| 2022 |
Jeep |
Gladiator |
Willys |
|
| 2023 |
Jeep |
Gladiator |
Willys |
|
| 2024 |
Jeep |
Gladiator |
Willys |
|
| 2025 |
Jeep |
Gladiator |
Willys |
|
| 2021 |
Jeep |
Wrangler |
80th Anniversary |
|
| 2021 |
Jeep |
Gladiator |
Willys Sport |
|
| 2022 |
Jeep |
Gladiator |
Willys Sport |
|
| 2023 |
Jeep |
Gladiator |
Willys Sport |
|
| 2021 |
Jeep |
Gladiator |
80th Anniversary |
|
| 2021 |
Jeep |
Wrangler |
Freedom |
|
| 2021 |
Jeep |
Gladiator |
High Altitude |
|
| 2022 |
Jeep |
Gladiator |
High Altitude |
|
| 2023 |
Jeep |
Gladiator |
High Altitude |
|
| 2021 |
Jeep |
Wrangler |
Islander |
|
| 2022 |
Jeep |
Gladiator |
Altitude |
|
| 2022 |
Jeep |
Wrangler |
Unlimited High Tide |
|
| 2023 |
Jeep |
Wrangler |
Willys 4xe |
|
| 2024 |
Jeep |
Wrangler |
Willys 4xe |
|
| 2025 |
Jeep |
Wrangler |
Willys 4xe |
|
| 2023 |
Jeep |
Wrangler |
Freedom |
|
| 2023 |
Jeep |
Gladiator |
Freedom |
|
| 2023 |
Jeep |
Wrangler |
High Altitude |
|
| 2023 |
Jeep |
Wrangler |
High Altitude 4xe |
|
| 2024 |
Jeep |
Wrangler |
High Altitude 4xe |
|
| 2025 |
Jeep |
Wrangler |
High Altitude 4xe |
|
| 2023 |
Jeep |
Wrangler |
High Tide |
|
| 2023 |
Jeep |
Wrangler |
Sport Altitude |
|
| 2023 |
Jeep |
Wrangler |
Rubicon 392 |
|
| 2024 |
Jeep |
Wrangler |
Rubicon 392 |
|
| 2023 |
Jeep |
Wrangler |
Rubicon 4xe |
|
| 2024 |
Jeep |
Wrangler |
Rubicon 4xe |
|
| 2025 |
Jeep |
Wrangler |
Rubicon 4xe |
|
| 2023 |
Jeep |
Wrangler |
Sahara |
|
| 2024 |
Jeep |
Wrangler |
Sahara |
|
| 2025 |
Jeep |
Wrangler |
Sahara |
|
| 2023 |
Jeep |
Wrangler |
Sahara 4xe |
|
| 2024 |
Jeep |
Wrangler |
Sahara 4xe |
|
| 2025 |
Jeep |
Wrangler |
Sahara 4xe |
|
| 2023 |
Jeep |
Wrangler |
Sahara Altitude |
|
| 2024 |
Jeep |
Gladiator |
NightHawk |
|
| 2025 |
Jeep |
Gladiator |
NightHawk |
|
| 2024 |
Jeep |
Gladiator |
Jeep Beach |
|
| 2024 |
Jeep |
Gladiator |
High Tide |
|
| 2025 |
Jeep |
Gladiator |
High Tide |
|
| 2024 |
Jeep |
Wrangler |
Rubicon 392 Final Edition |
|
| 2025 |
Jeep |
Wrangler |
Rubicon 392 Final Edition |
|
| 2024 |
Jeep |
Gladiator |
Rubicon X |
|
| 2025 |
Jeep |
Gladiator |
Rubicon X |
|
| 2024 |
Jeep |
Wrangler |
Rubicon X |
|
| 2025 |
Jeep |
Wrangler |
Rubicon X |
|
| 2024 |
Jeep |
Wrangler |
Rubicon X 4xe |
|
| 2025 |
Jeep |
Wrangler |
Rubicon X 4xe |
|
| 2024 |
Jeep |
Wrangler |
Sport S 4xe |
|
| 2025 |
Jeep |
Wrangler |
Sport S 4xe |
|
| 2024 |
Jeep |
Gladiator |
Mojave X |
|
| 2025 |
Jeep |
Gladiator |
Mojave X |
|