Applies to Kent's kit only. You will need this extra valve, hose, and hardware, along with video instructions.
These are the additional components required to run your old Mercedes diesel on dual tanks (DTC) when using Kent's conversion kits or methods. Note: We do not supply the tank for the trunk or the fuel pump you will need in the back to push the veggie forward, but recommendations and instructions are included. kentssvokits
SVO Single Tank (STC) to Dual Tank (DTC) REQUIRED "Extras" Kit.
$88.50
SKU:
SVO-STC-DTCCONVERT 
Product Details
You will receive the hoses, fittings, clamps, electrical switch, and a three-way valve as shown below. The switch will run your new fuel pump in the trunk and the valve will allow you to switch between tanks.
To be able to successfully install this kit you will need Kent's STC100 kit; See related products below.