VG4 ✓ Factory-verified

Pontiac · Regular Production Option

Protector, undervehicle compound, corrosion preventive, water based, black

Years 1999–01 Models 2 Factory citations 3

Query this via API →

Also described as Protector, undervehicle compound, black

Also documented for BuickCadillacChevroletGMCOldsmobileSaturn

Documented applications

Firebird — Fourth generation (1993–2002) →

• 2001 ✓ Factory-verified internal
  ⛭ GM factory document — 2001 pontiac firebird rpo code list, p.1.

Grand Prix — W-body, 7th gen (1997–2003) →

• 1999–2000 ✓ Factory-verified internal
  ⛭ GM factory document — 1999 pontiac grand prix rpo code list, p.1.

  ⛭ GM factory document — 2000 pontiac grand prix rpo code list, p.1.

This page aggregates every documented appearance of VG4 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.