The Hendrickson Kingpin Service part number 034013-230 or 034013230 is a genuine Hendrickson suspension component designed for kingpin service applications. This part is sold individually as a single unit. It is also referenced as HK34013-230. If you need help confirming that this is the correct part for your application, give Pro Gear and Transmission a call and we can help you sort it out.FeaturesGenuine Hendrickson kingpin service componentPart number: 034013-230 or 034013230Cross-Reference: HK34013-230Sold as a single unit (each)Call Pro Gear and Transmission to confirm proper fit for your suspension application