Product Overview

This high-quality Head Rotor (also known as a Rotor Head) is a critical component for diesel injection pumps, specifically designed for 4-cylinder and 12-liter engine applications. As a direct replacement for OEM numbers 146402-4020 and 9461617872, this part ensures precise fuel metering and delivery for optimal engine performance. We are a leading global supplier, exporting to major markets across North America, Europe, Asia-Pacific, the Middle East, and South America, ensuring fast and reliable delivery to your industrial hub.

Key Features & Benefits

• Precision Engineering: Manufactured to exacting standards for a perfect fit and reliable operation in demanding diesel environments.
• Enhanced Durability: Constructed from high-grade materials to withstand extreme pressures and temperatures, ensuring a long service life.
• Improved Fuel Efficiency: The precise hydraulic balance ensures accurate fuel injection timing, leading to better fuel economy and reduced emissions.
• Rigorous Testing: Each unit undergoes strict quality control and performance testing to guarantee it meets or exceeds OEM specifications.
• Direct OEM Replacement: A drop-in replacement for the original part, requiring no modifications for installation.

Technical Specifications

OEM Cross-Reference

This Head Rotor is a direct replacement for the following OEM part numbers:

• 146402-4020
• 9461617872

These numbers are the primary cross-references for this component. Please verify your existing part number against this list before ordering.

Compatibility

This Head Rotor is specifically designed for use in diesel injection pumps found in a wide range of commercial vehicles and industrial equipment. It is commonly used in:

• Engine Platforms: 4-cylinder and 12-liter diesel engines.
• Vehicle Applications: Trucks, buses, construction machinery, and agricultural tractors.

Note: This part fits specific pump models. Please confirm your pump model and existing part number (146402-4020 or 9461617872) to ensure compatibility.

Global Supply & Distribution

We are a dedicated export partner with a robust global supply chain. We can ship to any major port or industrial center worldwide.

• Shipping Partners: DHL, UPS, FedEx, EMS, TNT for express delivery.
• Major Markets Served: North America (USA, Canada, Mexico), Europe (Germany, UK, France, Italy), Asia-Pacific (Australia, Japan, Korea), Middle East (UAE, Saudi Arabia), and South America (Brazil, Argentina).
• Delivery Time: Standard 3-7 working days for most international destinations.
• Export Experience: We have extensive experience in international trade and customs documentation, ensuring a smooth and compliant transaction.

Quality Assurance

We are committed to providing parts that meet the highest standards of quality and reliability.

• Manufacturing Standards: Produced in ISO-certified facilities, adhering to strict quality control processes.
• Testing: Each Head Rotor is tested for hydraulic pressure, dimensional accuracy, and material integrity before shipment.
• Warranty: All products come with a standard 6-month warranty against manufacturing defects.

FAQ

Q: How do I know if this Head Rotor (146402-4020) fits my pump?
A: Please check the existing part number on your current rotor head. If it matches 146402-4020 or 9461617872, this part is a direct replacement. It is designed for a specific range of diesel injection pumps used in 4-cylinder and 12L engine applications. If you are unsure, please provide your pump model number for verification.

Q: What is the installation process for this rotor head?
A: Installation should be performed by a qualified diesel technician. The process involves removing the old head rotor, cleaning the pump housing, lubricating the new part with clean diesel fuel, and carefully installing it to ensure proper alignment. A service manual for your specific pump is recommended for detailed torque specifications and procedures.

Q: What maintenance is required for this part?
A: The rotor head itself is a wear item and does not require routine maintenance. However, the overall health of the fuel injection system is critical. It is recommended to use clean, high-quality diesel fuel, replace fuel filters at regular intervals, and have the injection pump serviced by a professional if you notice performance issues like hard starting, rough idling, or black smoke.