Product Overview

This premium remanufactured Diesel Fuel Pump Head Rotor is a critical component for high-performance fuel injection systems in heavy-duty excavator and industrial diesel engines. Designed to meet or exceed OEM specifications, this part ensures precise fuel metering and reliable engine operation. We ship globally, serving major markets including North America, Europe, Southeast Asia, the Middle East, and Oceania, with fast logistics to industrial hubs.

Key Features & Benefits

• Precision Engineering: Manufactured from high-speed steel for superior wear resistance and longevity in high-pressure fuel systems.
• 100% Professional Tested: Every unit undergoes rigorous performance and pressure testing to guarantee flawless operation.
• OEM Quality Fit: Remanufactured to original equipment specifications, ensuring a direct, bolt-on replacement without modifications.
• Enhanced Durability: Silver finish provides corrosion resistance, extending service life in harsh operating environments.
• Cost-Effective Solution: Offers remanufactured reliability at a fraction of the cost of a new OEM part, maximizing your ROI.

Technical Specifications

OEM Cross-Reference

This head rotor is a direct replacement for the following OEM part numbers, ensuring broad compatibility across various engine platforms:

• Primary Part: 146405-4420
• Cross-Reference Numbers: 146406-0620, 146406-0820, 146407-0020, 146408-0420, 146408-0620

Compatibility

Designed for use in high-pressure fuel injection pumps commonly found in:

• Engine Types: Heavy-duty diesel engines used in excavators, bulldozers, and industrial machinery.
• Vehicle/Equipment Brands: Suitable for major Japanese and Korean construction equipment manufacturers (e.g., Komatsu, Hitachi, Kobelco, Hyundai, Doosan) that utilize these specific pump rotor designs.

Global Supply & Distribution

We are an experienced exporter of diesel engine components, with a robust supply chain capable of delivering to any global destination.

• Worldwide Shipping: We offer fast, insured shipping via air, sea, and express courier (DHL, FedEx, UPS).
• Major Markets Served: North America (USA, Canada, Mexico), Europe (Germany, UK, Netherlands, France), Asia-Pacific (Australia, Singapore, Japan, Korea), Middle East (UAE, Saudi Arabia), and Africa (South Africa, Nigeria).
• Fast Delivery: Inventory is ready for immediate dispatch from our central warehouse, with typical transit times of 5-10 business days to major industrial ports.
• Trade Compliance: We adhere to international trade standards, providing all necessary documentation for smooth customs clearance.

Quality Assurance

• Rigorous Testing: Each head rotor is 100% professionally tested for pressure integrity, dimensional accuracy, and performance prior to shipment.
• Warranty: Backed by a six-month warranty against manufacturing defects, ensuring your investment is protected.
• Material Integrity: Constructed from high-speed steel, heat-treated for maximum hardness and resistance to wear from fuel contaminants.

FAQ

Q1: Is this head rotor a direct bolt-on replacement, and what engines does it fit?
A: Yes, this is a direct, bolt-on replacement part. It is specifically designed for fuel injection pumps that use the 146405-4420 series rotor. It is commonly used in high-pressure pumps on heavy-duty diesel engines from Komatsu, Hitachi, and similar excavator brands. We recommend confirming your pump’s model number against our OEM cross-reference list before ordering.

Q2: What is the difference between a new and a remanufactured head rotor?
A: A remanufactured head rotor has been fully disassembled, cleaned, inspected, and rebuilt to meet OEM specifications. All worn components are replaced with new parts. This process provides the same performance and reliability as a new part but at a significantly lower cost. Each unit is 100% tested to ensure it meets factory performance standards.

Q3: How should I maintain this part once installed?
A: To ensure maximum service life, always use clean, high-quality diesel fuel and replace the fuel filter according to your engine manufacturer’s schedule. Ensure the fuel system is free of air and contaminants before operation. Regular inspection of the pump for leaks or unusual noise is recommended. Adhering to these practices will help the remanufactured rotor perform reliably for years.

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 .