K50 Factory-verified

GMC · Regular Production Option

Fuel tap fitting (motorhome)

Years 1998–10, 2014–18, 2022–27 Models 2 Factory citations 19

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Also described as Fuel fitting, line take-off

Also documented for Chevrolet

Documented applications

Savana — GMT600 (1996–2002)

1998–2002 Factory-verified

the 2001–2002 lists read "Fuel Fitting, Line Take-OFF"

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 read Fuel fitting, for fuel line take off; O: Cutaway 1WT, 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.17.
GM factory document — 2009 gmc savana rpo code list, p.1.
GM factory document — 2009 chevrolet ld electricalfullsizevans 100813, p.15.
GM factory document — 2010 chevrolet gh van elec 1 7 d1 100813, p.15.
GM factory document — 2014 chevrolet gh van elec bbm si brief, p.7.
GM factory document — 2018 chevrolet 18 express savana bodybuilders sm 2017nov06, p.16.
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.12.
GM factory document — 2025 gmc savana cutaway fleet order guide, p.40.
GM factory document — 2026 chevrolet my26 express savana electrical bbm, p.12.
GM factory document — 2026 gmc savana cutaway fleet order guide, p.43.
GM factory document — 2027 gmc savana cutaway fleet order guide, p.21.

This page aggregates every documented appearance of K50 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.