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3.8, 1E, 1R and 1S chassis systems
Jaguar E-Type VIN Decoder
Jaguar changed the E-Type chassis system as the car evolved: early 3.8-litre cars use six-digit ranges, 4.2 Series 1 cars use 1E, Series 2 uses 1R, and the V12 Series 3 uses 1S.
JA
MODEL DECODERE-Type1961–1974
Universal VIN Input
Decode from this page
This page explains E-Type, but the input accepts every PetrolJunky-supported identifier.
Decoder Reference
What this identifier can tell you
Series 1 3.8Series 1 / 1½ 4.2Series 2Series 3 V12
The E-Type changed chassis systems as the car evolved
Early 3.8-litre Series 1 E-Types use six-digit chassis blocks divided by body style and steering side. The 4.2-litre Series 1 moves to the 1E prefix, Series 2 uses 1R, and the V12 Series 3 uses 1S. PetrolJunky uses both prefix and serial range so a result can distinguish open two-seater, fixed-head coupe and 2+2 families where Jaguar assigned separate blocks.
Late US formatting is recognized
Jaguar Heritage documents late US Series 2 cars using a 2R prefix and Series 3 US identifiers that can carry a U plus model-year letter before 1S. The decoder accepts supported forms such as UE1S/24250 and preserves the year clue when the prefix explicitly supplies it.
Suffixes are evidence, not assumptions
Historic DN and BW notation can provide gearbox clues. PetrolJunky records those clues but does not infer undocumented options or originality from appearance alone.