Super rare part with several applications, yet I have it for sale here sealed in vintage 1960s GM plastic.

New Old Stock (NOS) genuine General Motors 3837131.

The package is marked group 7.420 , front pin. Also may appear listed as group 7.418 .

Unfortunately no GM parts book I have lists the application for this part. It came out of a Chevrolet dealers obsolete stock though. Someone was kind enough to write me that they have books that list this part. I am calling this out without having the means to personally verify the information! Fits 1957, 58, 59, 60, 61 Chris Craft marine V8 283ci engines as a "front engine cover starboard side ⅝" dia" alignment dowel pin for 283 V8 engines made by GM Chevrolet.   Fits 1957, 58, 59, 60, 61 Chevrolet passenger cars V8 283ci engine alignment pin attached to the back of the block of cars with the rare TurboGlide automatic transmissions.     And fits 1973, 74, 75, 76, 77, 78 Chevrolet and GMC trucks as dowel front spring spacer.

Without a GM parts book entry I cannot confirm the fit and application so selling with only the above knowledge.  If you know what this part is then you probably need it. ;-)

Please view my other NOS parts for sale by clicking "See other items" under my name above.


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