BS40618 got it for 16.99
TC46003 11.99
whats the difference between BS40618 / BS40646 , They had one listed at 16.99 and one at 11.99. The cheaper one was listed as PTFE Rubber one piece, other was listed as rubber one piece
bs40646

bs40618

all o'reillys could say was maybe 646 was for another car also. They didn't have a clue.
also tc46003 said FEL-PRO Part # TCS46003 ; DOHC engine; Crankshaft front seal set; Must be used w/OS 30686R {Crankshaft Front
whats the must use with ??
tcs46003 picture

Posted pics for everyone to see!