Austin A40 Sports - Identification

An Austin A40 Sports has three unique identification numbers: the chassis number, the engine number and the Jensen body number.

These can be found in the following places.

 - Chassis Number

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- Engine Number

- Jensen Body Number

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The chassis number and engine number can also be found on a cream plastic tag attached to the inside of the glovebox.


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The Jensen body number is stamped into the aluminium and can be found in various places. The most prominent being one in the front shroud and the rear panel. It consits of a four digit "batch or factoring number" and the actual body number. Jenscn started the body count again with the arrival of the new GD3 modell in autumn 1951.


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If it comes to dating a specific car, varoius compoments have a date stamps. Above all the Lucas components fitted and the engine and cylinder head seem to have a date stamp cast into the metal as well !