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

Years 2000–04, 2006 Models 3 Factory citations 9

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Also described as Protector, under vehicle, compound, corrosion preventive, water based, black

Also documented for Buick Chevrolet GMC Oldsmobile Pontiac Saturn

Documented applications

DeVille — G-body (2000–2005)

2000–2004 Factory-verified internal

GM factory document — 2000 cadillac deville rpo code list, p.1.
GM factory document — 2002 cadillac deville rpo code list, p.1.
GM factory document — 2004 cadillac deville rpo code list, p.1.

DTS — G-body (2006–2011)

2006 Factory-verified internal

The 2006 list reads underhood compound.

GM factory document — 2006 cadillac dts rpo code list, p.1.

Seville — G-body (1998–2004)

2000–2004 Factory-verified internal

the 2002 list splits undervehicle as Under Vehicle

GM factory document — 2000 cadillac seville rpo code list, p.1.
GM factory document — 2001 cadillac seville rpo code list, p.1.
GM factory document — 2002 cadillac seville rpo code list, p.1.
GM factory document — 2003 cadillac seville rpo code list, p.1.
GM factory document — 2004 cadillac seville rpo code list, p.1.

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