The kit includes a new central box designed to house the unit, and the unit itself, plus the necessary hoses and interface manifold that connects to the front system. The central box comes complete and is a drop in replacement including a new floor plate for the vehicle, replacing the original floor plate that is beneath the cubby box or third seat if fitted. 

For Defender 110 & 130 DC and County models 2007-on. Does not fit vehicles with automatic transmission.

From: Devon 4x4