60 days return. Buyer pays for return postage. If you use an eBay delivery label, it will be deducted from your refund amount.
Condition:
NewNew
In the vast majority of cases, there is no need to flush the engine and flushing can be harmful. What can happen is the flush can loosen harmless deposits in the engine, but then not remove them. After running it, drain out the mineral oil and put in the correct oil.
Fitted on my car without issues. Works perfectly well after a proper 45 miles test drive. If you are looking for very good quality and low price - FEBI is your thermostat