cartercd

You might get another 31 years out of your current alternator given the low mileage. The brushes can wear out, but those can be replaced cheaply. I would recommend keeping the OEM alternator - it is hard to match the OEM quality. You could buy...

OHMMU Group 24 80Ah Advanced Lithium 12V Deep Cycle Battery - $400 I won this battery at Overland Expo West last month and do not need it. This costs over $500 with delivery from OHMMU. Unopened in box. We can open it and do voltage test upon...

Here's the thread on adjusting the heater valve Adjusting water valve to maximize A/C performance - https://forum.ih8mud.com/threads/adjusting-water-valve-to-maximize-a-c-performance.173731/