Cooling system, engine oil

Years 1987–92, 1998–06 Models 7 Factory citations 22

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Also described as Cooler, engine oilEngine oil cooling system

Also documented for Buick Cadillac Chevrolet GMC Hummer Oldsmobile Saturn

Documented applications

Aztek — U-body (2001–2005)

2001–2005 Factory-verified

GM factory document — 2001 pontiac aztek awd rpo code list, p.1.
GM factory document — 2002 pontiac aztek awd rpo code list, p.1.
GM factory document — 2003 pontiac aztek awd rpo code list, p.1.
GM factory document — 2004 pontiac aztek awd rpo code list, p.1.
GM factory document — 2005 pontiac aztek awd rpo code list, p.1.

Firebird — Third generation (1982–1992)

1987–1992 Factory-verified

3rdgenformula pairs it with the B2L engine; Firebird years: 3rdgenformula option pages 1987–1992; shared F-body code; cited from the Camaro kits

GM Heritage factory kit — 1987 Chevrolet Camaro, p.15.
GM Heritage factory kit — 1988 Chevrolet Camaro, p.33.
GM Heritage factory kit — 1989 Chevrolet Camaro, p.36.

Grand Am — N-body (1992–1998)

1998 Factory-verified

GM factory document — 1998 pontiac grand am rpo code list, p.1.

Grand Am — Fifth generation (1999–2005)

2001–2004 Factory-verified

GM factory document — 2001 pontiac grand am rpo code list, p.1.
GM factory document — 2004 pontiac grand am rpo code list, p.1.

Montana — U-body second generation (1997–2005)

1998–2005 Factory-verified

the 1998–1999 lists require V08

GM factory document — 1998 pontiac trans sport ext rpo code list, p.1.
GM factory document — 1999 pontiac montana ext rpo code list, p.1.
GM factory document — 2000 pontiac montana ext rpo code list, p.1.
GM factory document — 2001 pontiac montana ext rpo code list, p.1.
GM factory document — 2002 pontiac montana ext rpo code list, p.1.
GM factory document — 2003 pontiac montana ext rpo code list, p.1.
GM factory document — 2004 pontiac montana ext rpo code list, p.1.
GM factory document — 2005 pontiac montana 4wd rpo code list, p.1.

Montana SV6 — Second generation, U-body (2005–2006)

2005–2006 Factory-verified

GM factory document — 2005 pontiac montana sv6 rpo code list, p.1.
GM factory document — 2006 pontiac montana sv6 rpo code list, p.1.

Sunfire — J-body (1995–2005)

1998 Factory-verified

GM factory document — 1998 pontiac sunfire rpo code list, p.1.

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