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Vin number identification 1940LaSalle help please


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The idea of a VIN numbers was first introduced in 1954.  I believe you are referring to your automobile’s serial number.  Is your number on a data plate attached to the car or is it on a title?

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If the LaSalles are like Cadillacs, the number is probably stamped on the frame on the driver's side near the steering box. Might have to do some light cleaning with a Scotchbrite pad to find it.

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According to my 1946 MoToR repair manual, for 1940 LaSalle "on crankcase behind left cylinder block and on left frame side bar opposite steering gear."  That same book gives a *serial* (chassis) and engine (they are the same) number range *for Series 50* 2320001 to 2330082, and *Series 52* 4320001 to 4333751.

 

409176271 does not appear in Cad-LaS listings from 1935 through 1946, all of which have seven digits, whereas your number has nine digits.  Could your number be a casting number?

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14 minutes ago, michaelwitte said:

Maybe the "new Vin"was given by the DMV?

That's one possibility.

 

On my 1939 Cadillac 75 which I owned for 42 years, the serial number was stamped into the top of the left frame rail (no photo available). To be able to see it, I had to remove the hood side panels (for you, only if your car is a Series 50--the more modern Series 52 had a different hood) and look down into the center of the hood opening.  I used a wire brush to remove paint to make the number visible.

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If you're trying to research the originality of a LaSalle, get the build sheet.  It has all the original numbers and options as it left the factory.

 

 

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