Home » Drivetrain & Differentials » Crawl Boxes

Crawl Boxes

When you are looking to increase the performance of your 4x4 without making all kinds of changes to your drivetrain you may be a candidate for a Crawler box. These king o boxes give you an additional low range than can be combined with your existing low range for ultra low gearing for crawling over obstacles.



    • Advance Adapters 42RLE Rubicrawler Crawler Box

      • Advance Adapters Rubicrawler Crawler Box
      • Installs Between Transmission And Transfer Case
      • Provides Additional 2.72 Low Range
      • Includes Twin Stick Shifter
      • For Use In Jeep Jk Model Only
      • Requires Use Of ADV42R800 Computer Module
      • Does Not Include Shifter Knobs
      • For Use With 42RLE Automatic Transmission
    • Advance Adapters Rubicrawler Crawler Box

      • Advance Adapters Rubicrawler Crawler Box
      • Installs Between Transmission And Transfer Case
      • Provides Additional 2.72 Low Range
      • Includes Twin Stick Shifter
      • For Use In Jeep TJ With 231 Transfer Case Model only
      • Rubicon Moldes Requires Use Of ADV42R800 Computer Module
    • Advance Adapters JK Twin Stick Shifter Knobs

      • Fits 2007 to 2014 JK Wrangler, Rubicon and Unlimited
      • Black anodized aluminum
      • Recommended for part number ADVRUBI-JKA
    • Advance Adapters Low Range Rubi Crawler

      • Fits 1997 to 2006 TJ Wrangler and Unlimited
      • With 42RLE automatic transmission
      • NP231 transfer case
      • Has 6 pinion planetary assembly featuring a 2.72:1 reduction
      • True bolt in doubler to stock Jeep transfer case or an existing Atlas 2 speed
    • Advance Adapters Rubicrawler Computer Module

      • Advance Adapters RubiCrawler Control Module
      • Allows Differentials and Sway Bar Controll To Function
      • Tells Vehicle Computer You Are In Low Range
    • Advance Adapters Rubicrawler Crawler Box

      • Advance Adapters Rubicrawler Crawler Box
      • Installs Between Transmission And Transfer Case
      • Provides Additional 2.72 Low Range
      • Includes Twin Stick Shifter
      • For Use In Jeep TJ With 241 Transfer Case Model Only
      • Rubicon Modles Requires Use Of ADV42R800 Computer Module
    • Advance Adapters Rubicrawler Crawler Box

      • Installs between transmission and transfer case
      • Provides additional 2.72 low range
      • Includes universal cable shifter
      • For use in Jeep JK models only
      • Rubicon models requires use of ADV42R800 computer module
      • Does not include shifter knobs
    • Advance Adapters Rubicrawler Crawler Box

      • Fits 2003 to 2006 TJ and 2007 to 2011 JK Wrangler, Rubicon and Unlimited
      • 2 and 4-door models
      • Automatic transmission only
      • Installs between transmission and transfercase
      • Provides additional 2.72 low range
      • Includes twin stick Shifter
      • Requires use of ADV42R800 computer module
      • Does not include shifter knobs - part number ADV42R650
  • Now Hiring

    4 Wheel Parts is Hiring

    To see all of our current job openings

    Apply Now

  • Catalogs

    4 Wheel Parts Catalog

    Free Full-Color
    Jeep & Truck Catalogs.

    Request a Catalog

  • Email Offers

    Sign up now to receive our latest promotions and exclusive offers.

  • Store Locator

    4 Wheel Parts Store Locator

    68 Stores in North America.
    Locate a store near you.

    Store Locator