- EN
| Parameter | Specification |
|---|---|
| Product Name | Fuel Rail Pressure Sensor |
| COGENG Part Numbers | 7450706, 7450706TX |
| OEM Equivalent | Doosan 7450706, Doosan 7450706TX |
| Product Type | Common Rail Fuel Pressure Sensor |
| Sensor Type | Piezoresistive pressure transducer |
| Output Type | 0.5-4.5V analog (ratiometric) |
| Application | Common rail fuel pressure monitoring |
| Compatible Engines | Doosan D18, D24 (2014-2020 production) |
| Material | Iron + Rubber (seals: NBR / FKM) |
| Packing | PP bag inside, carton box outside |
| Place of Origin | Guangdong, China |
| Brand Name | COGENG |
| Certification | ISO9001 |
| Supply Capacity | 500 PCS |
| Brand | Part Number |
|---|---|
| COGENG | 7450706, 7450706TX |
| Doosan | 7450706, 7450706TX |
| Interchange | 7450707, 7450708, 7450709, 7450710 |
| Parameter | Specification |
|---|---|
| Displacement | 18.0L (1,100 cu in) |
| Cylinders | 6 in-line |
| Fuel System | Common rail (high pressure) |
| Injection Pressure | Up to 2,000 bar (29,000 psi) |
| Power Range | 400-600 kW (536-805 HP) |
| Applications | Doosan large excavators, wheel loaders |
| Parameter | Specification |
|---|---|
| Displacement | 24.0L (1,465 cu in) |
| Cylinders | 6 in-line |
| Fuel System | Common rail (high pressure) |
| Injection Pressure | Up to 2,000 bar (29,000 psi) |
| Power Range | 500-750 kW (670-1,005 HP) |
| Applications | Doosan mining excavators, large haulers |
Q: What Doosan engines and equipment use the 7450706 / 7450706TX fuel rail pressure sensor?
A: The COGENG 7450706 (also referenced as 7450706TX) fuel rail pressure sensor is a direct OEM replacement specifically designed for Doosan D18 and D24 diesel engines manufactured between 2014 and 2020. These engines power a range of Doosan excavators, wheel loaders, and other heavy equipment. Always verify this part number against your engine's parts manual or the original sensor's identification markings to confirm exact compatibility before ordering.
Q: What are the symptoms of a failing fuel rail pressure sensor on a Doosan D18 or D24 engine?
A: Common symptoms include hard starting or failure to start, engine stalling or rough running, loss of power under load, increased fuel consumption, active diagnostic trouble codes related to the fuel rail pressure circuit, the engine entering a derate or limp mode, or black smoke from the exhaust. The fuel rail pressure sensor is critical for precise fuel delivery control, and a faulty sensor can significantly impact engine performance, emissions, and reliability.
Q: How does the fuel rail pressure sensor affect engine operation?
A: The 7450706 sensor continuously monitors fuel pressure in the common rail system and transmits real-time data to the engine ECU. This information is used to precisely control fuel injector timing, fuel delivery quantity, and fuel pump output pressure. Accurate fuel rail pressure sensing is essential for proper combustion, engine efficiency, emissions compliance, and preventing damage to the high-pressure fuel system components.
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