I see. You and 3 buddies are driving along the road in Burma during WWII, and you run over a landmine. Two of you are dead, two of you are injured. You drag your concussed, burned selves to the next base. You get first aid, pick up parts from the depot, get a ride back to the jeep, repair it under fire, and drive it back to the base.

The fact that you can easily pickup and install the parts quickly in a mine field while under fire is a big plus.