Engine RPO Codes

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by 6000 SSEi

A-Body Engines

LN2 - 2.2 liter L4 - 1993-1996
LR8 - 2.5 liter L4 - 1982-1992
LB6 - 2.8 liter V6 - 1986-1989
LK9 - 3.0 liter V6 - 1982-1985
XXX - 3.1 liter V6 - ?
L82 - 3100 V6 - 1994-1996
LG7 - 3300 V6 - 1989-1993
LN3 - 3.8 liter V6 - 1984-1988
LG3 - 3.8 liter V6 -
LT7 - 4.3 liter Diesel V6 - 1982-1985

Other Popular Engines
L67 - Engine Code for 1996-2003 3800 Series II Supercharged
L36 - Engine Code for 1997-2003 3800 Series II N/A
L32 - Engine Code for 2004+ 3800 Series III Supercharged
L26 - Engine Code for 2004+ 3800 Series III N/A