Product Overview

This high-quality Diesel Injection Pump Head Rotor (also known as a Rotor Head) is a critical component for the fuel injection systems of popular Nissan and Mitsubishi diesel engines. Designed as a direct replacement for OEM part numbers 146401-4220 and 9461617094, this component ensures precise fuel metering and delivery for optimal engine performance and fuel efficiency. Sourced from a leading manufacturer in Shandong, China, we offer this part with global shipping capabilities, serving markets across North America, Europe, Asia-Pacific, the Middle East, and Africa.

Key Features & Benefits

• Precision Engineering: Manufactured to standard OEM specifications, ensuring a perfect fit and seamless integration with your existing injection pump.
• Enhanced Durability: Constructed from high-grade materials to withstand the high pressures and demanding conditions of diesel combustion, providing a long service life.
• Optimized Performance: Restores proper fuel injection timing and pressure, leading to improved engine power, smoother idling, and reduced emissions.
• Rigorous Quality Control: Every unit undergoes strict testing to guarantee excellent performance and reliability before shipment.
• Cost-Effective Solution: A reliable aftermarket alternative to expensive OEM parts, offering significant savings without compromising on quality.

Technical Specifications

OEM Cross-Reference

This rotor head is a direct replacement for the following original equipment manufacturer (OEM) part numbers:

• 146401-4220 (Nissan / Mitsubishi)
• 9461617094 (Mitsubishi / Nissan)

Compatibility

This rotor head is specifically designed for use in the following engine models and applications:

• Nissan QD32 Engine: Commonly found in Nissan Civilian, Nissan Atlas, and other commercial vehicles.
• Mitsubishi S4s Engine: Used in various Mitsubishi industrial and agricultural machinery.

Please verify your existing part number to ensure compatibility before purchase.

Global Supply & Distribution

We pride ourselves on our efficient global logistics network. We can ship this part to virtually any location worldwide.

• Shipping Partners: We offer fast and reliable shipping via DHL, UPS, FedEx, EMS, and TNT.
• Major Markets: Our products are supplied to major industrial centers and ports across North America (USA, Canada, Mexico), Europe (Germany, UK, France, Italy), Asia-Pacific (Japan, Korea, Australia), the Middle East (UAE, Saudi Arabia), and South America.
• Fast Delivery: Standard delivery time is 3-7 working days after dispatch.
• MOQ: 4 pieces. Bulk orders are welcome with a monthly supply capacity of 1000 pieces.

Quality Assurance

• Manufacturing Standards: Our parts are manufactured in ISO-certified facilities, ensuring consistent quality and precision.
• Warranty: This product comes with a 6-month warranty against manufacturing defects.
• Testing: Each rotor head is tested for dimensional accuracy, surface finish, and pressure integrity to ensure it meets the highest industry standards.

FAQ

Q: How do I know if this rotor head will fit my injection pump?
A: Please check the existing part number on your current rotor head. If it matches either 146401-4220 or 9461617094, this part is a direct fit. It is designed for the Nissan QD32 and Mitsubishi S4s diesel injection pumps.

Q: What is the installation procedure for this part?
A: Installation of the rotor head is a complex procedure that requires specialized tools and knowledge of diesel fuel injection systems. We strongly recommend that this part be installed by a qualified diesel mechanic or authorized service center to prevent damage to the pump and engine.

Q: Can this part be used for high-performance or modified engines?
A: This is a standard replacement part designed to restore factory specifications. While it provides excellent reliability and performance for standard applications, it is not specifically designed for high-performance tuning. For modified engines with increased fuel demands, please consult with a fuel injection specialist.