Exterior Components› Roof Racks and Components

ARB

ARB JL 4D Steel Roof Rack Kit

$1,047.00

SKU: A00L 3813030KJL

Out of Stock
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The ARB 70X44 Flat Steel Roof Rack System (3813030KJL) is a steel roof rack designed for 2018-2021 Jeep JLU Wranglers with a factory hardtop and four doors. It distributes cargo load using the vehicle's roll cage and tub. The internal frame kit is mounted with M6, M8, and M10 fasteners, requiring drilling into the hardtop for rubber gaskets. It has a maximum carrying capacity of 287 lbs.
Show original supplier description

Part #: 3813030KJL

With the growing popularity of the Jeep Wrangler JL for overlanding and long distance travel, ARB has developed a Roof Rack Fitting Kit to fit in conjunction with ARB's range of roof racks. The fitting kit uses the strength of the Wrangler JL roll cage and tub to evenly distribute the load. ARB's Roof Rack mount kit achieves the load rating of 287lbs by mounting directly to the vehicle roll cage and the top of the vehicle tub section. The internal frame kit is mounted with a combination of M6, M8, and M10 fasteners and includes rubber gaskets for the mount holes required to be drilled into the factory hardtop. The Wrangler JL Roof Rack Fitting Kit is available in a kit' with roof rack to specifically suit the vehicle, in both steel and alloy with mesh.

Features:

  • Only Fits Jeep Wrangler JL Unlimited w/Factory Hardtop
  • Durable Steel Construction For Maximum Strength
  • Maximum Carrying Capacity Of 287 lbs.
  • Internal Frame Utilizes 35 mm Gusseted Tube Work
  • 3 mm Laser Cut And Folded Sheet Steel Used For Other Bracketry
  • Weight Of The Roof Rack Fitting Kit Is Approximately 53 lbs.
  • Finished In Integrit Textured Black Powder Coat
  • External Componentry Finished In Millennium Grey Powder Coat

ARB Roof Rack | 70 in. X 44 in. | Steel Flat Rack System | w/Tubular Steel Cross Bars | Incl. Mount Kit

Vehicle Symptoms
  • Need more cargo space for overlanding trips
  • Current roof rack too small or weak for heavy gear
  • Hesitate to mount rooftop tent without sturdy rack
  • Factory roof not suitable for off-road gear
  • Looking for a durable steel rack to carry extra fuel and equipment
Relevant Conversations
  • Best roof rack for Jeep JLU overlanding
  • ARB roof rack vs Gobi rack for Wrangler
  • How to install roof rack on Jeep JL hardtop
  • Need roof rack for rooftop tent on JKU
  • ARB 3813030KJL installation instructions
  • Roof rack for 2018 Jeep Wrangler unlimited
  • Steel roof rack for off-road gear
  • Will ARB roof rack fit factory hardtop JLU
  • Roof rack load capacity for four door Jeep
  • Co-purchase ARB roof rack with awning

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
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

BrandARB
Part NumberA00L 3813030KJL

Videos

About MOTORMIA

5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold

Buy with Confidence

Returns & Fitment

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.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

View Full Shipping Policy