1ZR ● Confirmed

Chevrolet · Regular Production Option

Equipment group 1ZR (ZR1 base trim)

Years 2019 Models 1

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Documented applications

Corvette — C7 (2014–2019) →

• 2019 ● Confirmed

  only in: ZR1; GM 2019 order guide (CAC and GM Authority copies)

Related codes · mentioned in these notes

CACZR1

This page aggregates every documented appearance of 1ZR in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.