The Midland Haldex SRK 168 is an adjustable leveling control linkage for trailer air suspension systems, sold under part number 48100225. Designed for use with leveling valves, this linkage fits a wide range of trailer applications and is accepted by several OE manufacturers. Maximum length is 19-5/8 inches; the linkage can be cut to the installer’s required length, making it adaptable across suspension configurations without sourcing a custom-length part. Assembly is straightforward, and the companion end link is referenced as part number 90054516. Available from Pro Gear and Transmission. Call us to confirm proper fit for your trailer suspension setup.Interchanges:03062241020020212900256129005261446046327516803317122510-15188-14517119851073939005418890054460AC101E-7852F4A0191HA48100225HAL48100225HDX-48100225KSRK168LV168KITLVH168KITOTR168KITR307852SRK-167A factory handling fee of $25.00 per unit is added at checkout.FeaturesAdjustable leveling control linkage for trailer air suspension systemsMaximum length 19-5/8 inches; can be cut to desired length in the fieldCompatible with several OE manufacturers across common trailer suspension configurationsCompanion end link: part number 90054516Tech SpecsModel: SRK 168Length: 19-5/8 in. maximum (can be cut to desired length)End Link Part Number: 90054516Application: Trailer air suspension leveling valve linkage; used by several OE manufacturers