The product is a Serpentine Belt designed specifically for MerCruiser engines, including models such as the 5.0, 7.4, 6.2, and 350 Bravo Alpha. This high-quality belt comes with a 1-year warranty, ensuring long-lasting performance and reliability. The manufacturer part number for this Serpentine Belt is 57-865615Q06, making it easy to identify and order the correct part for your boat engine. Trust in this product to keep your outboard engine running smoothly and efficiently on the water.