BPW U Bolt Seat 05.189.02.26.0 HZ0638 0518902260 Leaf Spring Type Heavy-duty U bolt seat, OEM 05.189.02.26.0 (HZ0638 / 0518902260), leaf spring type, for BPW truck trailer suspension systems. Located between the axle beam and the leaf spring stack, the seat positions the spring pack securely while the U bolts clamp the assembly together, keeping the axle aligned and the suspension geometry stable under load. Manufactured from QT500 ductile iron with precision-machined locating surfaces, the seat ensures exact spring fit and consistent clamping force. Direct aftermarket replacement — no modification required. Surface treated for corrosion protection and covered by 6-month warranty. Suitable for trailer maintenance and heavy-duty fleet operations. Specification Name U Bolt Seat OE NO. 05.189.02.26.0 / HZ0638 / 0518902260 Type Leaf Spring Material QT500 Warranty 6 Months Application BPW Truck Trailer Place of Origin Fujian, China Why choose VICTORY MACHINERY Fujian Victory Machinery Co., Ltd. is a professional truck parts manufacturer and exporter in China, specializing in leaf spring accessories, suspension, steering and chassis parts for European and Japanese heavy trucks. Factory-direct price, strict quality control, OEM/ODM customization supported. 24/7 service, fast delivery worldwide.