This Fram oil filter cartridge is a perfect fit for your Michigan 85A series 125A engine. It is designed with a clamp-on mounting style and made of durable metal material. The cartridge has a diameter of 6 inches and a height of 18 inches, making it easy to install and manage. The oil filter features a guttered design and comes with a metal gasket material. It is compatible with various part numbers such as PF840, 51425, 51677, and PF1435, making it a versatile choice for your engine. This product is made in the United States and is not a vintage or universal fitment item.