Tire, compact spare 16 inch (40.3 cm)

Years 2009, 2025–27 Models 3 Factory citations 6

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Also described as Tire, spare, compact, T125/70R16Tire, spare, compact

Also documented for Buick

Documented applications

Impala — ninth generation (2006–2016)

2009 Factory-verified

GM factory document — 2009 chevrolet impala rpo code list, p.1.

Trailblazer — First generation, VSS-F (2021–2027)

2025–2027 Factory-verified

2025: all trims: S; 2026–2027: all trims: O; standard in 2025 and optional in 2026 and 2027

GM factory document — 2025 chevrolet trailblazer fleet order guide, p.6.
GM factory document — 2026 chevrolet trailblazer fleet order guide, p.12.
GM factory document — 2027 chevrolet trailblazer limited fleet order guide, p.14.

Trax — Second generation, VSS-F (2024–2026)

2025–2026 Factory-verified

all trims: S

GM factory document — 2025 chevrolet trax fleet order guide, p.7.
GM factory document — 2026 chevrolet trax fleet order guide, p.7.

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