Engine VIN code C. Lesabre,88,98,Reatta & Riv. 1st design w/4.72" deep oil pan.
3.0L / 181 OHV V6 12V "E,L" Buick 3.800" Bore 82-88
GM
3.3L / 204 OHV V6 12V "N" Buick 93.98mm Bore 89-93
GM
3.8L / 231 OHV V6 12V "2,C,K,L" Buick 3800 96.50mm Bore 88-09
GM
3.8L / 231 OHV V6 12V Buick 231 3.800" Bore 75-88
GM
GM181C-BU | 3.0L / 181 OHV V6 12V "E,L" Buick 3.800" Bore 82-88
BUICK,
OLDSMOBILE,
PONTIAC
GM204C-BU | 3.3L / 204 OHV V6 12V "N" Buick 93.98mm Bore 89-93
BUICK,
OLDSMOBILE,
PONTIAC
GM231CA-BU | 3.8L / 231 OHV V6 12V Buick 231 3.800" Bore 75-88
BUICK,
OLDSMOBILE,
PONTIAC,
CHEVROLET
GM231CB-BU | 3.8L / 231 OHV V6 12V "2,C,K,L" Buick 3800 96.50mm Bore 88-09
BUICK,
PONTIAC,
CHEVROLET,
OLDSMOBILE
