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At 103K I did the complete flush and changed my coolant to Delo ELC. Changed the hoses, clamps, thermostat, thermostat housing, and lower hose fitting. Had a little trouble with the thermostat housing leaking. Added the Dieselsite, billet housing and finally got all seeping stopped. Now at 106K I have weeping under the water pump. After searching through the coolant and water pump threads I think I need a new pump. Two questions: I noticed a number of posters who had recently flushed the system and upgraded their coolant, then had their pump start leaking. Is this a coincidence or a possible side effect? Now that I need a pump, checking online I have found a large difference in price. (some have the same photo but a $40 difference in cost). The dealership was the highest at $350. Here are some links I found. Can anyone comment on the possible differences?