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.

Our advantages

1.An authorized wholesaler of Isuzu genuine parts, Hino genuine parts, Mitsubishi genuine parts and Mahle parts.

2. We are not only supply genuine parts, but also high quality OEM parts, which are made in China or made in Japan.

3. More than 10 years of experience in machinery parts, professional supply of diesel engine parts.

4. Fast delivery, the fastest can be shipped in one day ,more than 500,000 of different types parts in stock.

5. Scientific ERP system, easy and fast to locate the parts that customer needs.

6. Professional technician checks the parts before delivery, to make sure the parts are correct, usable and defect-free.

Exhibition

Packing&Shipping

1.  Our shipment is by air/sea/express (DHL/FEDEX/TNT/UPS/EMS).

2.  Once we get confirmation of payment, we will ship products in 2 days.

3.  Our packaging is standard export wooden box or others as your requirement.

4. We’ll check and test the products before shipping , and givethe pictures to our customers to confirm.

FAQ

Q1. What is your company major products?

A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.

Q2.What is the MOQ?

A: Normally we can supply any quantity if we have in stock.

Q3. What is your payment term ?

A: We accept Western Union, T/T, Paypal.

Q4. What is the packing ?

A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.

Q5. When can you deliver products after payment ?

A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .

Q6. What can you do to complete order perfectly ?

A: In the beginning , We will communicate with clients in details to understand what they need .

Before packing , We will check the products and send photos to clients .After confirmation ,

We will packing products well to avoid damage . Once we get tracking number ,

We will send it to customer and keep contact in with clients .