Engine, gas, 8 cylinder, 4.0L, multiport fuel injection, V8, OHC

Years 1998–99, 2001–03 Models 2 Factory citations 5

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Also documented for Chevrolet

Documented applications

Aurora — G-body (1995–1999)

1998–1999 Factory-verified

the 1999 list prints OHC and the 1998 list DOHC (GM's other lists mostly print OHC); the same 4.0L engine either way

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

Aurora — G-body (2001–2003)

2001–2003 Factory-verified

the 2001 to 2003 lists print OHC; the 2003 list alone prints sequential fuel injection, the other lists multiport fuel injection.

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

This page aggregates every documented appearance of L47 in the Oldsmobile reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.