Komatsu 705-12-37010 Steering Pump Assembly

The 705-12-37010 is a single-section hydraulic gear pump designed as the steering pump for Komatsu wheel loaders. It features a cast aluminum housing, two-hole mounting flange, splined drive shaft, and four-bolt flanged ports. The unit is equipped with NOK Japan oil seals ensuring reliable sealing performance under high pressure. This assembly serves as a direct replacement for Komatsu OEM part numbers 705-12-37010 and 705-12-37040. It is engineered for compatibility with Komatsu WA450-1, WA470-1, and WA450-1-A wheel loader models, providing precise hydraulic flow for steering system operation.