Tires, puncture sealant

Years 1988–89 Models 2 Factory citations 3

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Also documented for Buick Chevrolet Oldsmobile Pontiac

Documented applications

Safari — First generation (1985–1994)

1989 Factory-verified

requires QCG tires; shared M-body code; cited from the joint Astro/Safari pages of the Astro kits.

GM Heritage factory kit — 1989 Chevrolet Astro Van, p.13.

Suburban — Square body (1983–1991)

1988, 1989 Factory-verified

requires HB P235/75R15 tires; shared square-body platform code; cited from the Chevrolet Suburban kit

GM Heritage factory kit — 1988 Chevrolet Suburban, p.19.
GM Heritage factory kit — 1989 Chevrolet Suburban, p.16.

This page aggregates every documented appearance of P42 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.