The Eibach Pro-Truck Coilover 2.0 is a pre-assembled front coilover for the 2003-2009 Toyota 4Runner V6 4.0L in 2WD and 4WD trim. The manufacturer describes it as a factory-direct replacement that needs no additional parts. Its threaded body lets you set front ride height across the +1.5 to +4 inch range, and the manufacturer says the design also improves damping for off-road use. Compared with a stock strut or a cheap lift spring, it gives you adjustable height and a purpose-built damper, backed by a two-year warranty and U.S.-built engineering. Search terms this part matches include 2003-2009 4Runner V6 front coilover lift, 4Runner 4.0L 2WD 4WD adjustable front coilover, and Eibach Pro-Truck front shock.
Fitment needs a check before you buy. The manufacturer lists the 2003-2009 V6 2WD/4WD application alongside a separate w/X-REAS option, so confirm which variant matches your truck. Owners on user forums who replaced X-REAS suspension on these trucks describe a substantial job, with one reporting about ten hours for a full Eibach swap. Front coilover adjustment is also tight: the threaded collar sits close to the sway bar on the passenger side, and one owner found that turning the wheel to full lock and raising that corner made the spanner wrench easier to use.
The manufacturer describes this coilover as pre-assembled and requiring no additional parts. Owners on user forums who installed Eibach lift components on these trucks reported needing a spring compressor for front components, so details vary. Confirm your kit contents with the manufacturer before starting.
The manufacturer lists a separate w/X-REAS application for the 2003-2009 V6 2WD/4WD. Owners on user forums describe removing X-REAS when installing Eibach kits. Confirm the correct variant for your truck with the manufacturer before ordering.
Owners on user forums report that the threaded collar sits near the bottom of the shock body. Turning it clockwise raises ride height and counterclockwise lowers it. Access is tight near the sway bar, so plan for limited room with the spanner wrench.
This is an intermediate-to-advanced front suspension job. Expect to use a spring compressor, a spanner wrench for the threaded collar, and standard hand tools for strut removal. Owners on user forums report that the front arrived unassembled on some Eibach lift kits, so check the packing before you start. Keep the front at the setting the instructions specify; one owner said staying on the first notch helped keep the CV axles straight. Plan for a wheel alignment afterward. One owner found that caster and camber needed correction and upgraded the upper control arms to address it.