Go the ICOM - from Prestige. They can't be beaten for price and service IMHO. And the ICOM is brilliant.
Also, a basic toolkit - spanners, sockets, hammer etc.
A cheap tarp to lie on if you find yourself having to do some under car repairs/tyre changes - helps if you drop nuts/washers etc in the dirt, and can act as a cover for water crossings if necessary. Ratchet tie downs - a number of uses. Cable ties. Rear recovery point such as -
https://www.aulro.com/afvb/........

