Tire valve stems, long, brass, for inside dual rear wheels

Years 1998–02, 2023, 2025–27 Models 2 Factory citations 9

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Also described as Valve, long stem, 3 3/8 inch

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)

2023, 2025–2027 Factory-verified

the 2023 Upfitter list reads Valve - Long Stem, 3 3/8 in; O: Cutaway 1WT, Cutaway 2WT (2025–2026); in the 2025–2027 guides only in the Cutaway guides

GM factory document — 2023 chevrolet 23 express savana body builder sm en us 2022sep13, p.12.
GM factory document — 2025 gmc savana cutaway fleet order guide, p.48.
GM factory document — 2026 gmc savana cutaway fleet order guide, p.52.
GM factory document — 2027 gmc savana cutaway fleet order guide, p.27.

This page aggregates every documented appearance of 8R2 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.