Storage box, rear underseat

Years 2005–08 Models 3 Factory citations 7

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Also described as Box, right seat, stowage

Also documented for Chevrolet

Documented applications

Sierra — GMT800 (1999–2007)

2005–2007 Factory-verified

2005: heavy-duty models only (GM’s HD list); the 2006–2007 lists misprint Rear as Right

GM factory document — 2005 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2007 gmc sierra classic 2wd rpo code list, p.1.

Sierra HD — GMT800 (2001–2007)

2005–2007 Factory-verified

the 2006–2007 lists misprint Rear as Right

GM factory document — 2005 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2006 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2007 gmc sierra classic 2wd rpo code list, p.1.

Sierra HD — GMT900 (2007–2014)

2007–2008 Factory-verified

the Sierra HD GMT800 doc reads Right as a misprint for Rear

GM factory document — 2007 gmc sierra 2wd rpo code list, p.1.
GM factory document — 2008 gmc sierra 2wd rpo code list, p.1.

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