Gauge package with trip odometer

Years 1986–87, 1989 Models 3 Factory citations 5

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Also described as Gage package, voltmeter, temperature and oil pressure gages, trip odometer

Also documented for GMC

Documented applications

Celebrity — A-body (1982–1990)

1989 Factory-verified

GM Heritage factory kit — 1989 Chevrolet Celebrity, p.7.

El Camino — fifth generation (1983–1987)

1986–1987 Factory-verified

GM Heritage factory kit — 1986 Chevrolet El Camino, p.6.
GM Heritage factory kit — 1987 Chevrolet El Camino, p.41.

Monte Carlo — fourth generation (1983–1988)

1986–1987 Factory-verified

voltmeter, temperature and oil pressure gauges; standard on the SS; 1988 is left out: the guide lists the gauge package only inside package 3, and only the brochure page (p.14, the LS's optional gauge package) prints U39, while brochure pages print no model year

GM Heritage factory kit — 1986 Chevrolet Monte Carlo, p.32.
GM Heritage factory kit — 1987 Chevrolet Monte Carlo, p.40.

This page aggregates every documented appearance of U39 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.