Fuel Injector Cummins 4063212 | 4025334, 4063321

High-Performance Fuel Delivery for Cummins Engines

The Cummins 4063212 Fuel Injector is a critical component engineered to optimize the performance and fuel efficiency of heavy-duty diesel engines. By delivering fuel under high pressure directly into the combustion chamber, this injector ensures precise timing and atomization, which are essential for complete combustion and reduced emissions. This part is also available under the numbers: 4025334, 4063321.

Engine Compatibility and Fitment

This fuel injector is specifically designed to integrate seamlessly with several Cummins engine models, ensuring reliable operation and a perfect fit. It is compatible with the following engine series:

• Cummins 4B3.9 & 6B5.9: Tailored to match the fuel system architecture of these popular engines, providing smooth power delivery and consistent performance.
• Cummins B3.3: Engineered to work in harmony with the B3.3 fuel management system, enhancing overall engine longevity and efficiency.

Key Features and Benefits

• Precise Fuel Atomization: Advanced nozzle geometry ensures fuel is sprayed in a fine mist, maximizing combustion efficiency and reducing unburnt hydrocarbons.
• Robust Construction: Manufactured from high-grade materials to withstand the extreme pressures and temperatures of commercial truck operations.
• Electronic Control Integration: Works seamlessly with the engine control unit (ECU) for synchronized fuel delivery and improved throttle response.
• Enhanced Efficiency: Helps lower fuel consumption and emissions while maintaining optimal power output.

Specifications

• Weight: 5.005 lbs
• Package Dimensions: 9.0 x 7.05 x 2.8 inches

Installation and Maintenance Guidelines

For optimal performance, the 4063212 fuel injector should be installed according to the manufacturer’s guidelines. Ensure the installation area is thoroughly cleaned and check for any obstructions. Proper alignment and sealing are critical to prevent fuel leaks. Regular maintenance, including fuel filter replacements and system inspections, will help extend the service life of your injectors and prevent common issues like engine misfires or power loss.

Cross-Reference / Interchange Part Numbers

This part replaces / is interchangeable with the following part numbers:

• 4063212
• 4025334
• 4063321