APEX Rear Axle Truss for Jeep Wrangler JK 2007-2018
The JK APEX Rear Axle Truss stiffens the rear Dana 44 housing under a Jeep Wrangler JK or JKU so it stays straight under bigger tires and hard trail abuse — Artec rates the setup for worry-free wheeling on up to 40" tires on the stock axle. The peaked APEX top adds rigidity a flat-top truss cannot, yet the 3/16" mild steel part comes in under 10 lbs. Clearance cuts for the e-locker plug and breather hose keep the factory hardware functional, and the pre-bent profile drops onto the axle ready to weld.
Features
- Peaked APEX top profile stiffens the housing more than a flat-top truss
- CNC laser-cut in-house from 3/16" mild steel, under 10 lbs
- Supports worry-free wheeling on up to 40" tires on stock JK axles
- Clearance cuts for the e-locker plug and breather hose
- CNC-bent long seams drop on the axle with no puzzle-piece assembly
- Roughly 70% less welding than older truss designs, reducing heat warp
- Low profile suits slightly lifted rigs; modeled from Dana and Jeep 3D data
Fits the 2007-2018 Jeep Wrangler JK and JKU rear axle housing, and it works with RK 3Link mounts (JK4430) after a quick trim of that bracket's end gussets — about a minute with a grinder. It is a bare-steel weld-on part for a competent MIG welder, and it needs paint once installed. Gladiator and JL owners have their own versions in the JT APEX Rear Axle Truss and JL APEX Rear Axle Truss, and you can browse every housing upgrade for your Jeep Wrangler in the axle reinforcements collection.
APEX Rear Axle Truss for Jeep Wrangler JK 2007-2018 FAQs
Which Jeeps does this truss fit?
It fits the rear axle housing on the Jeep Wrangler JK and JKU, model years 2007-2018. The contours are modeled from Dana and Jeep 3D data for the factory rear Dana 44, with clearance cuts so the e-locker plug and breather hose stay functional.
Is it compatible with my RK 3Link brackets?
Yes. The truss works with RK 3Link mounts (part JK4430) — the gussets on the end of that bracket need a slight trim for clearance, which takes about a minute with a grinder. No other modification is required.
What does installation involve?
It is a weld-on part for a competent welder: MIG with moderate pre-heat and post-heat, alternating from side to side to limit warping. The pre-bent long seams mean roughly 70% less welding than older truss designs. The truss ships bare steel, so paint it after installation.
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