I recently bought Toyota Corolla 2001 with 80K miles. I brought it to my mechanic amd he said I need tune up because spark plugs do no look good and also to replace serpentine belt that indeed has multiple crack across the belt. He gave me quotes for parts and labor. Parts quotes seem to be way too high for me. I am trying to find online parts myself.
Can someone advise me what spark plugs and serpentine belt I should be and where. For instance my mechanic gave me quotes for NGK iridium spark plugs for $19 each. The most expensive spark plugs for 2001 Corolla I found are $6.99. However I found several models all for the same price and the same description and all for corolla 2001.
About serpentine belt he insists on original belt. I could not find online original Toyota serpentine belt but found from ACDELCO and DAYCO for half of the price he quoted. How is it really important to have original serpentine belt installed? Is it really worth paying twice as much for this?