Wenzhou Yilufa Auto Parts Co., Ltd. is a China-based manufacturer specialising in fuel system components for diesel and petrol engines, with a particular focus on electric fuel pump seats, fuel filter seats, and fuel water separator assemblies. The company supplies parts compatible with major truck, construction, and agricultural machinery brands including Shacman, Dongfeng, Volvo, Weichai, Yuchai, and Caterpillar. Products support 12V/24V systems and comply with National III–VI emission standards.