Hendrickson part number 30087-000 or 30087 is a zerk grease fitting used in Hendrickson suspension systems. This fitting is sold as a 2-piece set Fitment covers multiple Hendrickson suspension applications. If you need help confirming this is the correct fitting for your suspension setup, call us and we will be glad to assist.Interchanges:MACK 4000-30087MACK 4000-30087000VOLVO 3947173FeaturesHendrickson zerk fitting, part number 30087-000 or 30087Sold as a 2-piece setFits multiple Hendrickson suspension applicationsGenuine Hendrickson part sold by Pro Gear and TransmissionTech SpecsSell Pack: 2 PieceApplication: Hendrickson Multiple Suspension Applications