Tire, spare: LT235/85R16E, all-season, blackwall

Years 1999–00 Models 2 Factory citations 3

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Also described as Tire, spare, LT235/85R16E R/PE ST TL ALS BL

Also documented for Chevrolet

Documented applications

Sierra — GMT800 (1999–2007)

1999–2000 Factory-verified

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

Yukon — GMT800 (2000–2006)

2000 Factory-verified

GM factory document — 2000 gmc yukon 2wd rpo code list, p.1.

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