Forklift Water Pump 4D35ZG31-42100 – XinChai Diesel

Forklift Water Pump 4D35ZG31-42100 — Engine Cooling Water Pump Assembly for XinChai 4D35ZG31 Diesel Engine

This forklift water pump part number 4D35ZG31-42100 is a Kingstream OEM water pump assembly for the XinChai 4D35ZG31 diesel engine used in forklift trucks across garment, building material, manufacturing, construction, port, logistics, warehousing, freight yard, energy, mining, and agricultural environments. The 4D35ZG31 is a larger-displacement diesel engine platform, and this water pump assembly is factory-built with the impeller, bearing, shaft, and seal pre-assembled for direct bolt-on replacement. At 10kg, the pump assembly is a substantial component designed for continuous-duty cooling of larger-displacement engines operating under sustained load. 100% professional tested with wooden box or carton box packaging. 7-15 day delivery. Kingstream OEM available for fleet operators.

Installing the 4D35ZG31-42100 water pump requires draining the engine coolant, removing the fan belt from the water pump pulley, unbolting the old pump, and cleaning the mounting surface of all old gasket material and corrosion. At 10kg, this pump assembly requires two-person handling during installation — attempting to maneuver a 10kg pump onto the mounting studs one-handed risks dropping the pump, damaging the mounting surface, and causing personal injury. The mounting bolts must be torqued in a cross pattern to specification. After installation, refill with the correct coolant mixture, bleed air from the cooling system by running the engine with the radiator cap off until the thermostat opens, and verify no coolant leaks at the pump mounting surface or hose connections. For 4D35ZG31 engines in heavy-duty forklift applications, the water pump weep hole should be inspected during every scheduled maintenance — a small coolant stain at the weep hole indicates the internal seal has begun to wear and should be monitored, while active dripping indicates the seal has failed and the pump requires replacement before bearing failure occurs. 100% professional tested quality with wooden box or carton box packaging for shipping protection.

Technical Specifications

100% professional tested. Wooden box/carton box packaging. Kingstream OEM. For bulk orders, contact us.

For 4D35ZG31 engine cooling system overhaul programs and bulk water pump orders, contact us for competitive fleet pricing and delivery options.