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**COBALT** · 10-01-2002, 07:42 PM

That's the casting number of the housing. Look in these areas for all of the codes. Like an engine you have to use them all to figure out what you have, and then there's a website that can tell you (don't remember the URL-sorry):

10-01-2002, 07:42 PM	#21
COBALT Senior Member Join Date: Sep 2001 Location: Seattle, WA, USA Posts: 5,817	That's the casting number of the housing. Look in these areas for all of the codes. Like an engine you have to use them all to figure out what you have, and then there's a website that can tell you (don't remember the URL-sorry): Attached Images __________________ '69 3/4 ton C20 2wd-350ci/TH400 '69 3/4 ton Custom 20 2wd-350ci/4sp Manual '99 2wd 5.7 Chevy Tahoe Seattle, WA.