Drivetrain› 4x4 Driveline Components

Advance Adapters, Inc

ADVANCE ADAPTERS RUBICRAWLER W UNIVERSAL SHIFTER TJ and JK

$2,128.60

SKU: A01D RUBI-UNIV

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Specialized auxiliary gearbox for 2003-2011 Jeep Wranglers with the 42RLE automatic overdrive transmission. Replaces the stock 42RLE tailhousing with a 6-gear planetary reduction box, providing a 2.72 low-range ratio. This bolt-in "doubler" integrates with either the factory Jeep transfer case or an existing Atlas transfer case.

Fitment

Fitment Guaranteed

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on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandAdvance Adapters, Inc
Part NumberA01D RUBI-UNIV

Videos

Rubicrawler Information

Rubicrawler Information
SUPER LOW Gear 4 Speed Atlas Transfer Case Install

SUPER LOW Gear 4 Speed Atlas Transfer Case Install
Rubicon NP-241 Transfer Case Swap | Jeep Wrangler TJ

Rubicon NP-241 Transfer Case Swap | Jeep Wrangler TJ
Putting an Atlas 2 Speed in a Wrangler

Putting an Atlas 2 Speed in a Wrangler

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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