612600080213 Fuel Injection Pump Overflow Valve Weichai WD615/WD10

The fuel injection pump overflow valve 612600080213 is a vital component for Weichai WD615 and WD10 engines. It maintains the required fuel pressure within the injection pump by recirculating excess fuel back to the tank. Our field expertise shows that a high-quality overflow valve is essential for smooth engine idling and consistent power output. Using the genuine 612600080213 part ensures that the fuel system operates within the manufacturer's specified pressure range. Mechanic's Expert Advice: A common sign of 612600080213 failure is difficult engine starting after a short break due to pressure loss in the pump gallery. Before replacing the valve, inspect the fuel lines for any leaks. During installation, ensure absolute cleanliness of the fuel ports. Even the smallest debris can cause the valve to leak internally, leading to unstable fuel delivery. Always replace the copper crush washers to ensure a vacuum-tight seal. We specialize in spare parts for major heavy machinery brands: CHANGLIN, Sinomach, XCMG, Everun, HOWO, SITRAK, FAW, SEM, SDLG, LiuGong, FOTON, LINGONG, SHANTUI, CHENGGONG, XGMA.