Help me identify this transmission - The 1947 - Present Chevrolet & GMC Truck Message Board Network

rdlackey · 11-12-2010, 09:48 PM

Casting number is 8640300. Other number on housing is 17L540651. By looking at the pan, it appears to be a THM350. Am I on the right track?

markeb01 · 11-12-2010, 10:01 PM

Perhaps this website will help you identify the trans:

http://www.teufert.net/trans/tranny.htm

rdlackey · 11-12-2010, 10:24 PM

Thanks for the info. Any clues as to what "17L" represents? My guess is that the remaining numbers in that casting is the vehicle serial number?

11-12-2010, 09:48 PM	#1
rdlackey Registered User Join Date: Oct 2010 Location: North Carolina Posts: 123	Help me identify this transmission Casting number is 8640300. Other number on housing is 17L540651. By looking at the pan, it appears to be a THM350. Am I on the right track?

11-12-2010, 10:01 PM	#2
markeb01 Senior Enthusiast Join Date: Feb 2007 Location: Spokane Valley, WA Posts: 8,356	Re: Help me identify this transmission Perhaps this website will help you identify the trans: http://www.teufert.net/trans/tranny.htm

11-12-2010, 10:24 PM	#3
rdlackey Registered User Join Date: Oct 2010 Location: North Carolina Posts: 123	Re: Help me identify this transmission Thanks for the info. Any clues as to what "17L" represents? My guess is that the remaining numbers in that casting is the vehicle serial number?

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