idler

Just FYI, I have early Merc 496mags and found that Dayco 89009 is an exact match for the 6 ribbed idler pulley ($15.06 on ebay instead of $35.87 for cheapest Merc ebay price) and that Dayco 89017 can be used ($10 on ebay instead of $27.26 for cheapest Merc ebay price) in place of the 2 smooth...