Spare wheel and tire, delete

Years 1999–00 Models 3 Factory citations 4

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Also documented for Buick Cadillac Chevrolet

Documented applications

Sierra — GMT400 (1988–2000)

1999–2000 Factory-verified

GM prints "Delee"

GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1.
GM factory document — 2000 gmc gmc c pickup 2wd rpo code list, p.1.

Suburban — GMT400 (1992–1999)

1999 Factory-verified

GM prints "Delee"

GM factory document — 1999 gmc gmc suburban 2wd rpo code list, p.1.

Yukon — GMT400 (1992–1999)

1999 Factory-verified

GM prints "Delee"

GM factory document — 1999 gmc yukon 2wd rpo code list, p.1.

This page aggregates every documented appearance of 6Y4 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.