Most any of the pumps people use for on-board showers would work I would think. Try searching for that instead. Just be sure to check the temp rating of the pump since coolant temp is higher than shower water. Also chemical resistance.
Four wheel drive allows you to get stuck
in places even more inaccessible.
62 88 Regular
67 109 6cyl NADA x2
74 Lightweight - The Antichrist
95 DI 5-speed
95 D90 5-speed
97 D1 Automatic