This front T-case adapter is compatible with the 2007-2017 Jeep JK and can utilize the 3594-2000U. It features a metric thread size of M12-1.75mm, with four holes drilled for M12 hardware.
Key specifications include a spline count of 32 and a spline diameter of 1.401 inches. The hub diameter measures 1.943 inches, and it has a thru hole of 2.000 inches. The pilot diameter is also 2.000 inches. The bolt circle diameter is 4.250 inches, with four bolt holes. The distance from the face to the end is 4.000 inches, classifying this part as light-duty (LD).