Fabtech 3in Crawler Coilovers

2018–2020 Jeep Wrangler Unlimited Rubicon, Sahara, Sport, Sport S 6-Cyl 4-Door

K4136DL

Overview:

The Fabtech 3in Crawler Coilover system is engineered to deliver exceptional offroad articulation while maintaining smooth, controlled highway performance for daily driving. Designed specifically for 2018 to 2020 Jeep Wrangler Unlimited models equipped with 6-cylinder engines, this coilover conversion replaces traditional coil spring and shock setups with a superior integrated suspension solution. Fabtech’s system is ideal for Jeep enthusiasts seeking a reliable, high-performance long arm suspension that works flawlessly right out of the box without the need for ongoing fabrication or maintenance.

Built to meet the demands of experienced offroad drivers, the Crawler Coilovers provide enhanced suspension damping and ride quality, making them a versatile upgrade for both trail and street use. The inclusion of Dirt Logic Stainless Steel (DLSS) 2.5 coilover reservoirs ensures precise high-speed damping and durability under extreme conditions.

Key Features:

This Fabtech coilover system incorporates advanced engineering and premium components to optimize offroad capability and on-road comfort:

• 3-inch lift height tailored for Jeep Wrangler JL long arm suspension geometry
• Front Dirt Logic 2.5 DLSS coilover reservoirs for superior damping and heat dissipation
• Rear DLSS coilover reservoirs for balanced suspension performance
• Massive 2-inch OD, .313-inch thick wall lower link arms designed to resist bending
• Fabtech’s legendary 5 Ton joints with lifetime guarantee for durability and quiet operation
• Full-width front crossmember for precise link arm geometry and added frame strength
• Rear link arms mounted to new frame mounts for improved ground clearance and approach angle
• Compatible with standard and high clearance fenders with minor trimming or cutting as required
• Supports tire sizes up to 37x12.5R20 with appropriate fender modifications

Construction & Design:

Fabtech’s 3in Crawler Coilovers are built with high-strength materials and precision engineering to withstand rigorous offroad use. The lower link arms are constructed from thick-walled tubular steel, ensuring structural integrity and resistance to bending under heavy loads. The front crossmember not only secures the link arms at optimal geometry but also reinforces the lighter JL frame, enhancing durability on challenging terrain.

The Dirt Logic 2.5 coilover reservoirs are crafted from stainless steel, providing corrosion resistance and superior heat management for consistent damping performance. The 5 Ton joints used in both upper and lower link arms are designed for smooth, quiet operation on the street while offering exceptional toughness offroad, backed by a lifetime warranty.

Installation & Fitment:

Installation of the Fabtech 3in Crawler Coilover system requires welding and some exhaust modifications, including the option to order an aFe loop delete pipe (P/N 48-48024). This kit fits 2018 to 2020 Jeep Wrangler Unlimited Rubicon, Sahara, Sport, and Sport S models equipped with 6-cylinder engines and 4-door configurations only. Driveshaft replacements are necessary for 4-door models (front FTS94057, rear FTS94065).

Minor trimming or cutting of fenders is required depending on tire and wheel size, with specific fitment guidelines provided for standard and high clearance fender setups. Fabtech’s precise geometry ensures optimal handling and ground clearance without compromising approach angles.

What's Included:

• Front Dirt Logic 2.5 DLSS coilover reservoirs
• Rear DLSS coilover reservoirs
• Front and rear 5 Ton link arms with lifetime guaranteed joints
• Full-width front crossmember
• New rear frame mounts for link arms
• Installation hardware and instructions

Ideal For:

This coilover system is perfect for Jeep Wrangler owners who demand a high-performance suspension capable of tackling demanding offroad trails while maintaining excellent on-road manners. It suits enthusiasts who want a durable, maintenance-free long arm suspension with enhanced articulation, ground clearance, and tire clearance for larger offroad tires up to 37 inches.

Fabtech is an off-road suspension leader producing lift kits, shocks, and related components to increase ride height, clear larger tires, and improve capability. Their systems are engineered for specific trucks and SUVs, blending on-road drivability with the added travel and strength enthusiasts want for trails, desert runs, and overland builds.