Spare wheel, carrier and lock delete

Years 1993, 2005, 2007, 2015, 2018, 2020, 2025–27 Models 5 Factory citations 14

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Also described as Spare tire and wheel, deleteSpare wheel and tire, delete (SEO)Spare wheel, carrier and lock, delete

Also documented for GMC

Documented applications

Chevy Van — Second generation G-series (1983–1996)

1993 Factory-verified

SEO; G10 only.

GM Heritage factory kit — 1993 Chevrolet G Van, p.67.

Silverado — GMT800 (1999–2007)

2005, 2007 Factory-verified

GM Heritage factory kit — 2005 Chevrolet Silverado 1500, p.196.
GM Heritage factory kit — 2007 Chevrolet Silverado, p.276.

Silverado HD (T1XX, 2020–2027)

2025–2027 Factory-verified

only in: 2500 HD, 3500 HD; the 2027 list prints "Spare wheel and carrier delete"

GM factory document — 2025 chevrolet silverado 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2025 chevrolet silverado 3500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 chevrolet silverado 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 chevrolet silverado 3500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2027 chevrolet silverado 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2027 chevrolet silverado 3500 hd retail and fleet fleet order guide rpo codes, p.1.

Silverado — K2XX (2014–2019)

2015, 2018 Factory-verified

GM factory document — 2015 chevrolet silverado 1500 fleet order guide wayback, p.1.
GM factory document — 2018 chevrolet silverado 1500 fleet order guide copy gm authority, p.186, p.212.

Silverado — T1XX (2019–2026)

2020, 2025–2026 Factory-verified

GM factory document — 2020 chevrolet silverado 1500 fleet order guide wayback, p.1.
GM factory document — 2025 chevrolet silverado 1500 retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 chevrolet silverado 1500 retail and fleet fleet order guide rpo codes, p.1.

This page aggregates every documented appearance of 5Z4 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.