Used Engine Computer Module Ecm Id:16217058 16218070 97 1997 Bonneville Grand Prix Lumina Monte Carlo Venture See product description below for fitment information. Must match our specifications to fit correctly and function as designed. Please use contact seller to ask any questions about parts prior to purchase. Our knowledgeable staff is here to help 90 Day Warranty!!! UPS shipping to the continental 48 US States This is a quality, tested, used auto part removed from a recycled vehicle