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2.4, 3.4 and 3.8 saloon chassis ranges
Jaguar Mark I & Mark II VIN Decoder
Jaguar allocated different six-digit chassis ranges by engine and steering side across the compact saloons. PetrolJunky uses those ranges instead of relying on a generic serial lookup.
Decoder coverage: 1955–1967
Mark I 2.4 / 3.4 Mark II 2.4 / 3.4 / 3.8
Decoder reference
What this decoder page is designed to answer.
Jaguar Mark I and Mark II used engine-specific chassis blocks
The compact Jaguar saloons are not identified by one continuous generic serial range. Factory number runs separate 2.4- and 3.4-litre Mark I cars and 2.4-, 3.4- and 3.8-litre Mark II families, with distinct left- and right-hand-drive blocks. PetrolJunky uses those boundaries to return the engine/model family supported by the chassis number.
Historic suffixes can survive in the registry
Examples such as Jaguar Heritage's 235360 DN show how gearbox notation can appear with the base chassis number. The normalizer accepts this classic formatting and the Jaguar decoder can preserve DN as an overdrive clue or BW as automatic notation.
Ambiguous bare numbers are never silently claimed
Some Mark I/II six-digit numbers occupy serial space also used by unrelated marques. The universal decoder checks competing historic systems and asks the user to use make context only when the number itself cannot decide.
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