Axle, rear, 4.63 ratio

Years 1993–94, 1998–00 Models 3 Factory citations 7

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Also documented for Buick Cadillac GMC

Documented applications

C/K pickup — GMT400 (1988–2000)

1998–2000 Factory-verified

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)

1993–1994 Factory-verified

1993-1994 charts: 10,500 lb axle, diesel models; 1995 kit prints the code unreadably, so 1995 is not claimed

GM Heritage factory kit — 1993 Chevrolet Motorhome, p.9.
GM Heritage factory kit — 1994 Chevrolet Motorhome, p.6.

Suburban — GMT400 (1992–1999)

1998–1999 Factory-verified

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

This page aggregates every documented appearance of GK9 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.