The 1890057C92 is a fuel injector designed for International/Navistar diesel engines, including the DT466, DT530, and DT570 models. These engines are commonly found in International trucks, school buses, and other heavy-duty applications.

Key Features:

• Compatible Engines:

• DT466 (including E-Tech versions)

• DT530

• DT570

• Fuel System Type: High-pressure diesel injection

• Application: Used in medium and heavy-duty trucks, vocational vehicles, and buses

• OEM Part Number: 1890057C92 (Navistar/International genuine part)

Function:

The fuel injector delivers precise amounts of atomized diesel fuel into the combustion chamber at high pressure, ensuring efficient engine performance, fuel economy, and emissions compliance.

Common Symptoms of a Failing Injector:

• Hard starting or misfiring

• Rough idle or engine vibration

• Excessive black or white smoke

• Loss of power or poor acceleration

• Increased fuel consumption

Replacement & Maintenance Tips:

• Always use OEM or high-quality aftermarket injectors for optimal performance.

• Ensure proper torque specs when installing.

• Check for fuel leaks after installation.

• Consider replacing injector O-rings and seals during installation.