Fuel Rail Pressure Sensor (349-1178)

The Fuel Rail Pressure Sensor 349-1178 (part number 3491178) is a high-precision sensor designed for Caterpillar CAT excavators, including models M313D, M315D, M315D2, M316D, and M317D2. It is compatible with engines C6.6 and C4.4. This sensor plays a crucial role in monitoring the pressure within the fuel rail system, ensuring optimal fuel delivery and engine performance. By providing accurate pressure readings, it helps prevent engine issues related to fuel pressure imbalances. The 349-1178 sensor is built for durability and reliability, with a robust design that can withstand the demanding conditions of heavy-duty excavation operations. Its compatibility with various Caterpillar models makes it a versatile and essential component for maintaining efficient engine function.