Tire, spare, LT225/75R17/E BW TL HWY 113Q

Years 1983–84, 2009, 2026–27 Models 4 Factory citations 8

Also described as Tire, spare, LT225/65R18, all-season blackwallTire, spare, P235/75R15, highway, steel belted radial, blackwall

Also documented for Chevrolet

Documented applications

Sierra EV — BT1 (2024–2027)

2026–2027 Factory-verified

not available with YDH; 2026: S in 3SB, 3SC, 5SB, 5SC; not offered in 4SC, 4SD, 5SD; 2027: S in 3SB, 3SC, 5SC; not offered in 4SC, 4SD, 5SD

GM factory document — 2026 gmc sierra ev fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc sierra ev fleet order guide, p.11.
GM factory document — 2027 gmc sierra ev fleet order guide rpo codes, p.1.
GM factory document — 2027 gmc sierra ev fleet order guide, p.10.

Sierra — GMT900 (2007–2013)

2009 Factory-verified

GM factory document — 2009 gmc sierra 2wd rpo code list, p.1.

Sierra HD — GMT900 (2007–2014)

2009 Factory-verified

GM factory document — 2009 gmc sierra 2wd rpo code list, p.1.

Vandura and Rally — Second generation G-series (1983–1996)

1983, 1984 Factory-verified

with the LH6 diesel; shared G-van platform code; cited from the Chevrolet G-Van kit

GM Heritage factory kit — 1983 Chevrolet Vandura, p.9.
GM Heritage factory kit — 1984 Chevrolet G Van, p.11.

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