Hyundai Bosch Common Rail Fuel Rail Pressure Sensor 0281002863 31401-4A400 31401-4A010

The number 0281002863 refers to a Bosch Common Rail Fuel Pressure Sensor (RPS). This high-precision component is critical for monitoring fuel rail pressure in common-rail diesel engines, ensuring the Engine Control Unit (ECU) can regulate pressure for optimal performance and fuel efficiency

• Manufacturer: Bosch.
• Pressure Rating: Designed for high-pressure systems up to 1800 bar (180 MPa).
• Thread Type: M18 x 1.5.
• Terminals: 3-terminal connector.
• Common Symptoms of Failure: Faulty sensors often cause hard starting, rough idling, loss of power, or a "check engine" light. 
• Vehicle Compatibility
  This sensor is widely used in Hyundai and Kia diesel models (specifically CRDi engines ranging from 1.1L to 2.5L), but it also fits several other manufacturers. 
  • Hyundai/Kia OEM Part Numbers: 31401-4A400, 31401-4A010.
  • Example Models:
    • Hyundai: Accent, i10, i20, i30, Santa Fe, Tucson, Matrix, and H-1/Starex.
    • Kia: Sorento, Sportage, and Carens.
    • Others: Some versions are compatible with select models from Iveco, Alfa Romeo, and Chevrolet.