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708-1u-00162 708-1u-00163 High-Pressure Hydraulic Piston Pump for Wb97s-5 Wb93 Wb97. Perfect OEM Direct Replacement, 1:1 Interchangeable Strictly follows original OEM dimension & mounting standard of 708-1U-00163, identical flange, spline shaft, oil port layout; direct plug-and-play w. Heavy-duty Wear-resistant Core Components, Ultra-long Service Life Key parts (plunger, retainer, distribution plate) adopt carburizing quenching alloy steel + copper alloy, high wear & impact resistan. Stable Variable Control & Low Noise Operation Optimized swashplate variable structure, stepless flow adjustment following load demand, stable hydraulic output with no surge pressure; precision fit red.