MetalCloak is an American manufacturer based in California that has been designing and building off-road components exclusively for Jeeps for over two decades. Every part is CAD-engineered, laser cut, welded and finished in-house, and the company backs its structure and coating with a lifetime warranty.

UnderCloak Integrated Armor System - Jeep JL Wrangler 4-Door Diesel

UnderCloak is MetalCloak's complete underbody armor system for the diesel 4-Door JL Wrangler. It replaces the thin factory skids with heavy steel and closes the whole underside into one continuous plane - from the oil pan skid through the transmission to the fuel tank.

An integrated system, not a set of loose plates

UnderCloak is a boat-sided system: the edges of successive plates form one continuous, smooth plane from front to rear. Instead of catching on an obstacle, the underbody slides over it. The plates are tied together with 3/8" (9.5 mm) gusset straps, so the system stiffens the frame rather than merely adding weight to it.

Gold Zinc finish

Every part is gold zinc plated. Unlike paint or powder coat, zinc protects the steel electrochemically even where it is scratched - and skid plates are scratched from the first trip out. The surface can be painted if you prefer a custom finish.

Specification

• Fuel tank skid: 3/16" (4.8 mm) hot rolled steel
• Transmission skid: 3/16" (4.8 mm) steel
• Oil pan / motor skid: 1/4" (6.4 mm) steel
• DEF tank skid - optional extra: 3/16" steel
• Gusset straps: 3/8" (9.5 mm) steel
• Fitment: JL Wrangler Diesel 2018 and up
• System weight: approximately 235 lbs (about 107 kg)
• Finish: Gold Zinc

Weight matters: this is one of the heaviest things you can bolt under a Jeep. Factor it into your GVWR budget and your spring choice - the front end will settle noticeably once the full system is installed.

DEF skid: our price is for the version without the DEF tank skid. It can be added separately - we offer it as 6378. Worth considering on a diesel JL, since the DEF tank hangs low and is made of plastic.

Installation

The manufacturer rates the install as moderate and quotes 3-4 hours. No cutting or welding. Given the weight we recommend a lift and a second pair of hands.

Homologation: this product carries no European type approval. Road legality after installation is decided by the vehicle inspection station; check before buying if in doubt.

We import this product directly from the MetalCloak factory in the USA. Please contact us for the current lead time before placing an order.

Warranty and service

MetalCloak backs its products with a lifetime warranty on structure and coating for the original owner. The warranty does not cover accident damage, incorrect installation or owner-performed modifications. As an authorised dealer we handle the whole claim process for you.

Why buy from us

Szekla4x4 is a Jeep-focused shop and workshop. We import MetalCloak parts directly from the manufacturer, advise on the right configuration for your model year and engine, and can fit the part in-house. If you are unsure about fitment for your vehicle, contact us before ordering - a VIN lets us confirm the match.