Product Overview

This high-quality replacement head rotor (rotor head) is a critical component for your diesel engine’s fuel injection system. Engineered for precision and durability, it is designed to restore optimal performance in a wide range of diesel engines. Sourced from a reliable manufacturer in Shandong, China, this part is available for global shipping and is trusted by B2B buyers in major markets including North America, Europe, Asia-Pacific, the Middle East, and South America. Whether you are a distributor, workshop, or fleet manager, this head rotor offers a dependable, cost-effective solution for your repair and replacement needs.

Key Features & Benefits

• Premium Material: Manufactured from High-Speed Steel (HSS) for exceptional wear resistance and longevity, even under high-pressure fuel injection conditions.
• Precision Engineering: Machined to meet strict OE specifications, ensuring a perfect fit and reliable performance for fuel injection systems.
• Enhanced Durability: Designed to withstand the rigors of continuous diesel engine operation, reducing the frequency of replacements and downtime.
• Direct Replacement: A new condition part intended for easy replacement and repair, helping to quickly restore engine efficiency and power.
• Cost-Effective Solution: Offers a high-quality alternative to expensive dealer parts, providing excellent value for B2B buyers and end-users.

Technical Specifications

OEM Cross-Reference

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

• Primary Part Number: 146402-4020
• Alternate Part Number: 9 461 617 872

Note: Always verify compatibility with your specific engine model before purchase.

Compatibility

This head rotor is designed for use in diesel engine fuel injection systems. It is a common replacement part for various industrial, agricultural, and automotive diesel engines. While specifically listed for diesel car applications, it is widely used in other diesel-powered equipment where the 146402-4020 or 9 461 617 872 part is specified.

Global Supply & Distribution

We are a dedicated supplier of diesel engine parts with a strong focus on international trade. Our logistics network supports efficient worldwide shipping, ensuring fast and reliable delivery to major ports and industrial centers globally.

• Major Markets Served: North America, Europe, Southeast Asia, Middle East, Africa, and South America.
• Shipping Capabilities: Express (DHL, FedEx, TNT), Air Freight, and Sea Freight.
• Export Experience: We are experienced in international trade compliance and customs documentation to ensure a smooth transaction for our B2B partners.

Quality Assurance

We are committed to providing high-quality components that meet rigorous industry standards.

• Manufacturing Standard: Parts are manufactured under strict quality control processes using high-grade materials.
• Testing: Each unit is inspected to ensure dimensional accuracy and performance reliability before shipment.
• Warranty: All parts are backed by a 4-month warranty against manufacturing defects.

FAQ

Q1: What is the function of this head rotor in a diesel engine?
A1: The head rotor is a critical component of the fuel injection pump. It rotates at high speed to distribute high-pressure fuel to the correct engine cylinder at the precise moment. A worn or damaged head rotor can cause poor engine performance, hard starting, and increased fuel consumption.

Q2: How can I confirm if part number 146402-4020 or 9 461 617 872 fits my engine?
A2: The best way to confirm fitment is to check your current injection pump’s part number. This rotor is designed for specific pump models. We recommend comparing the part number on your old rotor or consulting your pump’s service manual. If you are unsure, please provide your engine model and pump serial number to our sales team for verification.

Q3: What is the recommended installation procedure for this part?
A3: Installation of a head rotor is a precision task and should be performed by a qualified diesel technician. It requires clean working conditions and adherence to the pump manufacturer’s service manual. Proper torque specifications and clearance checks are critical. We recommend replacing related seals and gaskets during installation to ensure a leak-free, long-lasting repair.

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 .