Power steering filter?? Am I supposed to have one?? 3.0 six cylinder, I found what I think to be the pump and thought that the inside was a little funny shaped (never have seen a raised lip on inside of one).

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1991 300SE (my ride, 279,000 miles, looks almost new
1954 Cadillac (21 yo son's car, he bought when age 15)
1972 SeaBird 19 ft runabout (old but solid, slant six, Volvo sterndrive perfect condition, undergoing complete overhaul and refit)
1998 Toyota Rav4 (my sons daily driver when he is in the Continental US, PROUDLY serving in US Navy)