Pickup box, composite inner, dark color

Years 1999, 2001–06 Models 3 Factory citations 15

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Also described as Pickup box, inner DK composite

Also documented for Cadillac GMC

Documented applications

Avalanche — GMT800 (2002–2006)

2002, 2004–2006 Factory-verified

GM factory document — 2002 chevrolet avalanche 2wd rpo code list, p.1.
GM factory document — 2004 chevrolet avalanche 2wd rpo code list, p.1.
GM factory document — 2005 chevrolet avalanche 2wd rpo code list, p.1.
GM factory document — 2006 chevrolet avalanche 2wd rpo code list, p.1.
GM Heritage factory kit — 2002 Chevrolet Avalanche, p.53.
GM Heritage factory kit — 2004 Chevrolet Avalanche, p.33.

Silverado — GMT800 (1999–2007)

1999, 2001–2004 Factory-verified

GM factory document — 1999 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM Heritage factory kit — 2002 Chevrolet Silverado, p.45.
GM Heritage factory kit — 2004 Chevrolet Silverado, p.65.

Silverado HD — GMT800 (2001–2007)

2001–2004 Factory-verified

GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.

This page aggregates every documented appearance of E37 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.