This pulley is manufactured by the original equipment pulley supplier to ensure proper fit and performance. This pulley is produced for serpentine belt routing applications and conforms to original equipment material, tolerances, and specifications. This replacement part is made in the United States to the O.E. specified design and meets all performance and durability requirements. Heavy duty steel construction for long trouble-free performance. Manufactured for a variety of GM/GMC/Saturn and Saab vehicles. Complete with new mounting bolt and dust shield for ease of installation and long life,