The Walbro GSL392-400-939 fuel pump with install kit is a high-quality, made-in-the-United-States product designed for heavy equipment. This model pump from Walbro is known for its reliability and efficiency, making it a popular choice for businesses and industrial applications. The pump comes with an install kit, ensuring that it is ready to be easily installed and put to use right away. With the Walbro brand reputation backing it, this fuel pump is a dependable option for ensuring smooth and consistent fuel supply in heavy machinery.