Logo Image
$20K Sweeps! 10 Chances to Win! Enter Daily >

Teraflex Crankcase Vent System Kit (18-26 3.6L Jeep Wrangler JL)Find parts that fit my vehicle

Item J157978-JL
Our Price

$164.99 kit

Military, Medical & First Responders $8.25 Available in XT Cash Rewards.
Confirm Eligibility

CONFIRM THIS FITS YOUR VEHICLE!

Select a different vehicle Help?
Update or Change Vehicle
    Create a list
    Add to New List

    Saved - View your saved items

    We're sorry. We couldn't save this product at this time.

    or use

    Shop Owners Save More! Sign up for our dealer program

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation

      Features

      • Crankcase Vent System Kit
      • Prevents Oil from Entering Into PCV System and Intake
      • Avoids Burning Oil/Smoke, Hydro Lock, Burnt Starters, and Internal Engine Damage
      • Crafted from Premium Materials
      • Comes in Black
      • Patent-Pending Design
      • Uses Existing Oil Fill in Valve Cover
      • Adds a Second PCV Valve to the Front of the Engine
      • Emissions-Compliant
      • Retains OE Oil Cap Function and Use
      • Sold as a Kit
      • Easy Installation
      • Limited Lifetime Warranty from Teraflex
      • Designed to Fit 2018-2026 Jeep Wrangler JL 3.6L Models

      Description

      Prevents Engine Failure During Extreme Off-Roading. Enhance your Jeep’s engine by installing this Teraflex Crankcase Vent System Kit. This crankcase vent system has a patent-pending design to prevent engine failure during extreme off-roading. Basically, it blocks the oil from entering the PCV system and intake, avoiding burning oil/smoke, hydro lock, burnt starters, internal engine damage, and other issues.

      Premium Construction. This crankcase vent system is crafted from premium materials. It uses your Jeep’s existing oil fill-in valve cover to add a front PCV valve to the existing system. It is emissions-compliant and retains the OE oil cap’s function and use.

      Easy Installation. Installing this crankcase vent system is easy. The box already contains all the needed hardware for a complete installation.

      Limited Lifetime Warranty from Teraflex. Teraflex warrants this crankcase vent system with a limited lifetime warranty. Don’t hesitate to ask customer service or visit the manufacturer’s website for more details.

      Application. This Teraflex Crankcase Vent System Kit fits the 2018-2026 Jeep Wrangler JL 3.6L models.

      Teraflex 4839200

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Installation & What's in the Box

      Installation Info

      Installation Time

      (approx) 2 Hours

      Difficulty Level:

      Simple installation for anyone.

      Installation Guides

        No guide available for this part yet.

      What's in the Box

      • (4) Hose Clamp, ½-Inch Band for 5/8-Inch, Constant Tension
      • (4) Hose Clamp, 1/2-Inch Band for 22mm to 26mm, Constant Tension
      • (1) O-Ring (STD) English, Round X-Section, 0.103-Inch Width (T), 1.75-Inch ID
      • (2) Hose (
      1.0

      Customer Reviews (1)

      Questions & Answers

      No questions about this product yet. Ask the First Question

      Will It Fit My Wrangler

      • JL Freedom 2 Door - 23
      • JL Rubicon 2 Door - 18, 19, 20, 21, 22, 23, 24, 25, 26
      • JL Rubicon 4 Door - 18, 19, 20, 21, 22, 23, 24, 25, 26
      • JL Rubicon X 2 Door - 24, 26
      • JL Rubicon X 4 Door - 24, 26
      • JL Sahara 4 Door - 26
      • JL Sport 2 Door - 26
      • JL Sport 4 Door - 26
      • JL Sport S 2 Door - 26
      • JL Sport S 4 Door - 26
      • JL Unlimited Freedom 4 Door - 23
      • JL Unlimited High Altitude 4 Door - 22
      • JL Unlimited High Tide 4 Door - 22, 23
      • JL Unlimited Rubicon X 4 Door - 24
      • JL Willys 2 Door - 26
      • JL Willys 4 Door - 26
      • JL Wrangler 2 Door - 18, 19, 20, 21, 22, 23, 24, 25
      • JL Wrangler 4 Door - 18, 19, 20, 21, 22, 23, 24, 25