Tire, spare, LT245/75R17E, all-season, blackwall

Years 2014–15, 2018, 2025–26 Models 3 Factory citations 7

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Also described as Tire, spare, LT245/75R17E all-season, blackwall

Also documented for Chevrolet

Documented applications

Sierra HD — GMT900 (2007–2014)

2014 Factory-verified

only in: 2500

GM factory document — 2014 gmc sierra 2500hd fleet order guide wayback, p.3.

Sierra HD — K2XX (2015–2019)

2015, 2018 Factory-verified

only in: 2500HD (the 2015 3500HD guide does not list it); 2015 marks: Sierra, SLE: O; SLT: not offered; 2018: GM's 2018 Sierra 2500HD order guide

GM factory document — 2015 gmc sierra 2500hd fleet order guide wayback, p.3.
GM factory document — 2018 gmc sierra 2500hd order guide copy gm authority, p.43.

Sierra HD — T1XX (2020–2027)

2025–2026 Factory-verified

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

GM factory document — 2025 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2025 gmc sierra 2500 hd retail and fleet fleet order guide, p.35.
GM factory document — 2026 gmc sierra 2500 hd retail and fleet fleet order guide, p.32.

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