The Diverter Box/Spring Plate Tube is a versatile and practical solution for a variety of makes and models. With a 4 to 5-inch I.D, this part is designed to fit most vehicles and is sold individually. Please note that it is not approved for use on 2007 and later emission engines. This product is a reliable and cost-effective option for those in need of a diverter box/spring plate tube replacement.