Tire, front: LT215/85R16D, highway, blackwall

Years 1983, 1986–93, 1998–01, 2003–08 Models 5 Factory citations 26

Also described as Tire, front, LT215/85R16D BL R/PE ST TL OORTire, front, LT215/85R16D steel belted radial, highwayTire, front, LT215/85R16/D BL R/PE ST TL HWY

Also documented for Cadillac GMC

Documented applications

C/K pickup — GMT400 (1988–2000)

1998–2000 Factory-verified

the 1998 list prints XYK twice, once ending HWY (the XYL tire) and once OOR; the 1999–2000 lists print OOR only

GM factory document — 1998 chevrolet chevy c pickup 2wd rpo code list, p.1.
GM factory document — 1999 chevrolet chevy c pickup 2wd rpo code list, p.1.
GM factory document — 2000 chevrolet chevy c pickup 2wd rpo code list, p.1.

Motor Home chassis (1983–1998)

1983, 1986–1993 Factory-verified

blackwall in the kits; the 1998 list prints "BL" (black lettered)

GM Heritage factory kit — 1983 Chevrolet Motorhome, p.8.
GM Heritage factory kit — 1986 Chevrolet Motorhome, p.11.
GM Heritage factory kit — 1987 Chevrolet Motorhome, p.15.
GM Heritage factory kit — 1988 Chevrolet Motorhome, p.11.
GM Heritage factory kit — 1989 Chevrolet Motorhome, p.9.
GM Heritage factory kit — 1990 Chevrolet Motorhome, p.11.
GM Heritage factory kit — 1991 Chevrolet Motorhome, p.13.
GM Heritage factory kit — 1992 Chevrolet Motorhome, p.13.
GM Heritage factory kit — 1993 Chevrolet Motorhome, p.11.

Silverado — GMT800 (1999–2007)

1999–2001, 2003–2007 Factory-verified

2005–2007: heavy-duty models only (GM’s HD list)

GM factory document — 1999 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.
GM Heritage factory kit — 2003 Chevrolet Silverado 1500, p.49.
GM Heritage factory kit — 2007 Chevrolet Silverado, p.62.

Silverado HD — GMT800 (2001–2007)

2001, 2003–2007 Factory-verified

GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.
GM Heritage factory kit — 2005 Chevrolet Silverado 3500HD, p.208.

Silverado HD — GMT900 (2007–2014)

2007–2008 Factory-verified

GM factory document — 2007 chevrolet silverado 2wd rpo code list, p.1.
GM factory document — 2008 chevrolet silverado 2wd rpo code list, p.1.

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