U37 ● Confirmed

Chevrolet · Regular Production Option

Cigarette lighter

Years 1973–82 Models 2

Documented applications

Nova / Chevy II →

• 1974–1975, 1979 ◑ Single-source

C/K Trucks →

• 1973–82 ● Confirmed

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This page aggregates every documented appearance of U37 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.