Cooling system, engine oil

Years 1998–04 Models 4 Factory citations 14

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Also described as Engine oil cooling system

Also documented for Buick Cadillac Chevrolet GMC Hummer Pontiac Saturn

Documented applications

Achieva — N-body (1992–1998)

1998 Factory-verified

GM factory document — 1998 oldsmobile achieva rpo code list, p.1.

Alero — N-body (1999–2004)

2001–2004 Factory-verified

GM factory document — 2001 oldsmobile alero rpo code list, p.1.
GM factory document — 2002 oldsmobile alero rpo code list, p.1.
GM factory document — 2003 oldsmobile alero rpo code list, p.1.
GM factory document — 2004 oldsmobile alero rpo code list, p.1.

Cutlass — N-body (1997–1999)

1998–1999 Factory-verified

GM factory document — 1998 oldsmobile cutlass rpo code list, p.1.
GM factory document — 1999 oldsmobile cutlass rpo code list, p.1.

Silhouette — U-body second generation (1997–2004)

1998–2004 Factory-verified

the 1998–1999 lists require V08

GM factory document — 1998 oldsmobile silhouette ext rpo code list, p.1.
GM factory document — 1999 oldsmobile silhouette ext rpo code list, p.1.
GM factory document — 2000 oldsmobile silhouette ext rpo code list, p.1.
GM factory document — 2001 oldsmobile silhouette ext rpo code list, p.1.
GM factory document — 2002 oldsmobile silhouette ext rpo code list, p.1.
GM factory document — 2003 oldsmobile silhouette ext rpo code list, p.1.
GM factory document — 2004 oldsmobile silhouette ext rpo code list, p.1.

This page aggregates every documented appearance of KC4 in the Oldsmobile reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.