C7N Factory-verified

GMC · Regular Production Option

GVWR, 12,300 lbs (5579 kg)

Years 1998–10, 2014–18, 2022–27 Models 3 Factory citations 21

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Also described as GVW rating, 12,300 lbGVW rating, 12,300 lbs

Also documented for Chevrolet

Documented applications

Savana — GMT600 (1996–2002)

1998–2002 Factory-verified

GM factory document — 1998 gmc savana rpo code list, p.1.
GM factory document — 1999 gmc savana rpo code list, p.1.
GM factory document — 2000 gmc savana rpo code list, p.1.
GM factory document — 2001 gmc savana rpo code list, p.1.
GM factory document — 2002 gmc savana rpo code list, p.1.

Savana — GMT610 (2003–2027)

2003–2010, 2014–2018, 2022–2027 Factory-verified

the 2025–2027 guides add 5579 kg; S: Cutaway TG33903 (2025–2026); O: Cutaway 1WT (2027), Cutaway TG33503 (2025–2026), Cutaway TG33803 (2025–2026); not offered: Cutaway 2WT (2025–2026); in the 2025–2027 guides only in the Cutaway guides

GM factory document — 2003 gmc savana rpo code list, p.1.
GM factory document — 2008 gmc savana rpo code list, p.1.
GM factory document — 2008 chevrolet ld electricalfullsizevans, p.16.
GM factory document — 2009 gmc savana rpo code list, p.1.
GM factory document — 2009 chevrolet ld electricalfullsizevans 100813, p.14.
GM factory document — 2010 chevrolet gh van elec 1 7 d1 100813, p.14.
GM factory document — 2014 chevrolet gh van elec bbm si brief, p.6.
GM factory document — 2018 chevrolet 18 express savana bodybuilders sm 2017nov06, p.15.
GM factory document — 2022 chevrolet 22 express savana electrical body builder sm en us 2021oct12, p.13.
GM factory document — 2025 chevrolet my25 express savana electrical bbm, p.11.
GM factory document — 2025 gmc savana cutaway fleet order guide, p.40.
GM factory document — 2026 chevrolet my26 express savana electrical bbm, p.11.
GM factory document — 2026 gmc savana cutaway fleet order guide, p.44.
GM factory document — 2027 gmc savana cutaway fleet order guide, p.22.

Sierra HD — T1XX (2020–2027)

2027 Factory-verified

only in: 2500 HD; Pro, SLE, SLT, AT4, Denali, Denali Ultimate: O; AT4X: not offered

GM factory document — 2027 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2027 gmc sierra 2500 hd retail and fleet fleet order guide, p.86.

This page aggregates every documented appearance of C7N in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.