8B3 ✓ Factory-verified

Chevrolet · Regular Production Option

Anti-freeze, permanent, ethylene glycol, protection to -34 F

Years 1993 Models 1 Factory citations 1

Query this via API →

Documented applications

Astro — First generation (1985–1994) →

• 1993 ✓ Factory-verified

  special equipment option.

  ⛭ GM Heritage factory kit — 1993 Chevrolet Astro Van, p.36.

This page aggregates every documented appearance of 8B3 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.