B54 ⚠ Disputed

Chevrolet · Regular Production Option

Cab back panel insulation (73–87 list); "rear floor mats" in GM lists

Years 1973–82 Models 1

Documented applications

C/K Trucks →

• 1973–82 ⚠ Disputed

  Reused/conflicting

This page aggregates every documented appearance of B54 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.