1996 BUICK, OLDSMOBILE, PONTIAC CHEVROLET 3.8 ENGINE ECM. GM ID SERVICE# 16211539 TESTED AND GUARANTEED. Correct for Lesabre, Park Ave, Riviera, Century, Skylark, Regal, Olds 88, Ciera, Cutlass Supreme, Bonneville,Grand Prix,Grand Am, Monte Carlo, Lumina, Beretta and Corsica With 3.8 V6. The ECM was Tested and is in Good Working Condition. FREE PRIORITY MAIL INSURED SHIPPING IN THE US.