This high-quality intake manifold from ACDelco (OE) is designed to fit your vehicle perfectly. With its precise construction and durable materials, it ensures excellent performance and long-lasting reliability. The manufacturer part number 12611155 indicates that it is an original equipment manufacturer (OEM) part, making it a reliable choice for your car or truck. The intake manifold is an essential component of your vehicle's air and fuel delivery system, and this one is sure to meet all your expectations. Its dimensions of 13.35in x 5.28in x 339mm x 134mm make it a great fit for most vehicles. Whether you're replacing a damaged part or upgrading your engine, this intake manifold is a perfect choice.