2006 SR5 4.0L(Bought new), now at 296K. I had some items replaced at 200K just for peace of mind. Water pump, fan clutch, radiator, muffler, brakes(first time- when it's 100 miles between stoplights) hoses, fluids, sparkplugs, alternator, starter. Oil is changed at 3000 miles(lots of gravel...