OEM O-Ring Part Of Cylinder Assembly P/N 166431A1 Part Of Seals Package P/N 166967A1 #154697A1 - OEM Hydraulic Service Replacement for Heavy Equipment Repair This part supports service replacement of worn OEM components in repair situations involving hydraulic service work tied to drift, reduced force, or unstable function and poor actuation, oil bypass, slow movement, and unreliable hydraulic control. Frequently purchased for OEM hydraulic valve replacement, pump repair, cylinder service, and pressure-control maintenance repairs on construction machinery. More Details Part Number: 154697A1 Application: Primary service use: Hydraulic system replacement component used to repair pressure loss, drift, slow response, internal leakage, or failed actuation. Key Features: Designed to replace failed pumps, valves, cylinders, or hydraulic assemblies Supports repair of drift, slow movement, and reduced hydraulic performance caused by wear OEM-style fit for efficient installation during hydraulic service Fits Case Models: Compatible with various Case construction equipment models - verify fitment before ordering Replaces: Refer to manufacturer cross-reference if applicable