FREE 1 to 3-Day Delivery on Orders $119+ Details

Talk to a Wrangler Sales Tech
1-877-870-8556
M-F 8:30A-11P, Sat-Sun 8:30A-9P
Logo Image
Win $4,000! Enter Daily

Find Oils & Fluids for your Wrangler

Master Filter Kit (87-90 4.2L Jeep Wrangler YJ)Find parts that fit my vehicle

Item J113589
Verify parts fit and get product recommendations.
Wrangler Sales Techs: Connect Now M-F 8:30A-11P, Sat-Sun 8:30A-9P
Call now 1-877-870-8556 Chat Now
$0.00
4 Reviews
Our Price

$32.99 kit

Ship to: 43215
Please enter a valid US or CA postal code
We're sorry, zip can't be updated at this time.

Will this fit your Vehicle?

Select a different vehicle Help?
Update or Change Vehicle
Add to Cart
Save for later
    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

    Loading Indicator

      Product Information

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

      Features

      • Durable Construction Combination of Steel, Rubber, Plastic, and Paper
      • Precision Made
      • Uses Existing Hardware
      • Sold As A Kit
      • Improves Drive Performance
      • Removes Water Moisture
      • Manages Oil Environment
      • Provides Excellent Filtration
      • Easy Installation
      • Install Time Is 1 Hour
      • Fits All 1987-1990 4.2L Jeep Wrangler YJ Wrangler Models

      Description

      Unparalleled Technology. Manufacturer continues to build quality aftermarket upgrades that will give your Jeep the edge when it comes to performance. These Master Filter Kit MFK21 is an unparalleled filter kit that improves your engine’s performance. Made for a combination of sturdy materials that include OE certified steel, rubber, plastic and paper, this kit is precision made to be an exact fit to your Jeep.

      Incomparable Quality. This incredible filter kit provides excellent filtration by managing your oil’s environment under the hood. This clever technology removes water moisture so you won’t have to worry about contaminating your oil well supply.

      Superior Performance. Made in America, this superior kit is sold as a kit and uses your Jeep’s existing hardware for an easier installation.

      Installation. The installation for this product can be easily accomplished in approximately 1 hour. The need for common garage tools is required.

      Application. These Master Filter Kit MFK21 fits all 1987-1990 4.2L Jeep Wrangler YJ Wranglers models.

      Fitment:

      Details

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

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Filter
      4.8

      Customer Reviews (4)

      Reviews of similar Engine products have an average rating of 4.7 out of 5

      Questions & Answers

      No questions about this product yet. Ask the First Question

      Will It Fit My Wrangler

      • YJ Wrangler 2 Door - 87, 88, 89, 90

          Related Wrangler Categories

          Community Support

          Word On The Trail

          Found what I was looking for, went to check out and in less than a minute I was on my way.

          danno63-51733
          Previous Slide Next Slide

          Meet Our Team

          Dave D
          Dave D, 2007 Jeep Wrangler JKU Merchandising
          I have owned YJ’s and TJ’s in the past. After not owning one for several years I got the bug again and decided to go buy one. On a whim I saw this one and went to the dealership on the same day while my wife was at work and came home with it. She was a little bit surprised (mad) to see the Jeep in t...
          Previous Slide Next Slide SEE ALL PROFILES