博世柴油喷油嘴 0445110494 江淮瑞风星锐精准喷射

Bosch diesel fuel injector (OEM: 0445110494) designed for JAC Refine S2/SR2 (Shundong) models; installed in the cylinder head, atomizes high-pressure fuel precisely into the combustion chamber to improve power and fuel economy. Direct replacement of OEM part; professional technician recommended; labor about 1.5-2 hours. If engine exhibits rough idle, weak acceleration, black smoke, or abnormal fuel consumption, injector may be clogged or worn; replace to avoid further deterioration.