Product Overview

This premium quality Rotor Head (Part Number: 146403-4220) is a critical component for the fuel injection system in various diesel engines. Designed as a direct replacement, this 4/10R rotor head ensures precise fuel metering and reliable engine performance. Sourced from a leading manufacturer in Shandong, China, our parts are engineered to meet or exceed OEM specifications. We offer global shipping with fast delivery times (3-7 working days) to major industrial markets, including North America, Europe, Asia-Pacific, the Middle East, and South America.

Key Features & Benefits

• Precision Engineering: Manufactured to strict tolerances for optimal fuel injection timing and pressure.
• Superior Durability: Constructed from high-grade materials to withstand the rigors of heavy-duty diesel operation.
• Excellent Performance: Ensures smooth engine idling, maximum power output, and reduced fuel consumption.
• Direct Fitment: Standard size design guarantees a hassle-free installation without modifications.
• Rigorous Testing: Each unit undergoes quality control checks to ensure 100% functionality before shipping.

Technical Specifications

OEM Cross-Reference

This rotor head is a direct replacement for the following OEM number(s):

• OEM Number: 146403-4220

Note: This part is specifically designed to match the specifications of the original 146403-4220 component. Please verify your existing part number for compatibility.

Compatibility

This rotor head is designed for use in diesel fuel injection pumps. While the specific “Car Model” is listed for general diesel car applications, it is commonly used in:

• Various industrial and automotive diesel engines requiring a 4/10R rotor head configuration.
• Fuel injection pumps where the OEM part number 146403-4220 is specified.

Important: We recommend checking the physical dimensions and your pump’s specifications (e.g., Bosch, Denso, Delphi types) to ensure a perfect fit before purchase.

Global Supply & Distribution

We are a dedicated supplier of high-quality diesel engine parts with a robust global logistics network. We serve a diverse range of international clients, including:

• North America: USA, Canada, Mexico
• Europe: Germany, UK, France, Netherlands, Poland
• Asia-Pacific: Australia, Japan, South Korea, Singapore
• Middle East & Africa: UAE, Saudi Arabia, South Africa
• South America: Brazil, Argentina, Chile

We offer fast and reliable shipping via DHL, UPS, FEDEX, EMS, and TNT. Standard delivery time is 3-7 working days after order confirmation. We handle all export documentation to ensure smooth customs clearance at your port.

Quality Assurance

We are committed to providing parts that deliver reliable performance. Our quality assurance process includes:

• Manufacturing Standards: Produced in ISO-certified facilities with strict quality control measures.
• Testing: Each rotor head is inspected for dimensional accuracy and material integrity.
• Warranty: We offer a 6-month warranty against manufacturing defects, providing you with peace of mind.

FAQ

Q1: How do I confirm this rotor head will fit my injection pump?
A: Please verify your current pump’s part number. This 146403-4220 rotor head is a standard size and fits pumps that originally use this specific OEM number. We recommend comparing the physical dimensions (diameter and height) with your old part to ensure a perfect match.

Q2: What is the installation complexity for this part?
A: Replacing a rotor head is a technical task best performed by a qualified diesel mechanic. It involves disassembling the injection pump, which requires specialized tools and knowledge of pump calibration to maintain proper fuel timing and pressure.

Q3: How should I maintain the new rotor head for long service life?
A: Ensure your fuel system is clean and free of contaminants. Always use high-quality diesel fuel and replace your fuel filters regularly. Proper lubrication of the pump is also essential; any air in the fuel system should be bled before starting the engine after installation.