I have one pump casting core that differs from all of the others I've seen. Most of them have a slot on the underside of the bearing boss into which a retainer pin is inserted to ensure that the bearing does not drift either out of or deeper into the bore. Just one of my castings does not include a place for any kind of retainer, but relies strictly on the press fit of the bearing into its bore to hold its correct position. I've always thought it was a very early production unit, never considering the possibility of aftermarket design. Now I'm wondering. I'll look at it again for other signs of NON-MOPAR features. -----Marshall Goodknight c300 3n552650 Please note: message attached From: John Lazenby <french_fryguy@xxxxxxxxx> To: Don Verity <d.verity@xxxxxxx>, "chrysler300@xxxxxxxxxxxxxxx" <chrysler300@xxxxxxxxxxxxxxx> Subject: Re: [Chrysler300] 55 & 56 Water Pumps Date: Tue, 6 Mar 2012 07:34:54 -0800 (PST) ____________________________________________________________ LifeLock® Official Site Identity Theft Can Happen to Anyone So Get Protection with LifeLock. http://thirdpartyoffers.juno.com/TGL3131/4f56458411b5217f235st06duc [Non-text portions of this message have been removed] ------------------------------------ To send a message to this group, send an email to: Chrysler300@xxxxxxxxxxxxxxx To unsubscribe from this group, send an email to bob@xxxxxxxxxxxxx or go to http://autos.groups.yahoo.com/group/Chrysler300/join and select the "Leave Group" button For list server instructions, go to http://www.chrysler300club.com/yahoolist/inst.htm For archives go to http://www.forwardlook.net/300-archive/search.htm#querylangYahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Chrysler300/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/Chrysler300/join (Yahoo! ID required) <*> To change settings via email: Chrysler300-digest@xxxxxxxxxxxxxxx Chrysler300-fullfeatured@xxxxxxxxxxxxxxx <*> To unsubscribe from this group, send an email to: Chrysler300-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/