6735-61-1102 Excavator Engine Water Pump Assembly

Material:

Heavy-duty high-strength cast iron pump body and pump cover, with excellent corrosion resistance, vibration resistance and high temperature resistance

Impeller:

Precision dynamic balance calibration iron impeller, number of blades adapted to 4D102/6D102 engine flow demand, ensuring stable coolant flow rate and pressure

Sealing System:

Equipped with high-temperature resistant nitrile rubber O-rings and metal composite mounting gaskets, achieving leak-free sealing under high temperature and high pressure working conditions

Installation Standard:

OEM standard mounting hole position and shaft size, plug-and-play design, matching the original engine cooling system without additional modification

Working Temperature Range:

-30℃ ~ 120℃, adaptable to various extreme construction site environments

Compatibility:

Perfect aftermarket replacement for OEM part #6735-61-1102/6735-61-1500, fully interchangeable

The precision-machined pump shaft and bearing assembly ensure low noise and long service life at high speeds, effectively preventing coolant leakage and flow issues caused by wear. Each unit undergoes strict pressure and dynamic balance testing to meet Komatsu’s original engine standards, making it a reliable replacement for Komatsu excavator cooling system maintenance in the global aftermarket.