Product Overview

This high-quality Fuel Injection Pump Head Rotor, referencing OEM numbers 146403-4820 and 9 461 616 141, is a critical component designed for precision fuel delivery in Isuzu 4JG2 diesel engines. Manufactured to strict tolerances, this part ensures optimal engine performance and reliability. We serve a global B2B clientele, with extensive distribution networks across North America, Europe, Southeast Asia, the Middle East, and South America.

Key Features & Benefits

• Precision Engineering: Manufactured to standard OEM specifications for a perfect fit and reliable operation within the fuel injection pump.
• Enhanced Durability: Constructed from high-grade materials to withstand high-pressure fuel systems and provide a long service life.
• Optimal Fuel Efficiency: Precision-ground surfaces ensure accurate fuel metering, contributing to better combustion and reduced fuel consumption.
• Direct Replacement: Designed as a direct replacement for the original part, simplifying the repair process and minimizing downtime for your equipment.
• Rigorous Testing: Each unit undergoes strict quality control checks to ensure performance meets or exceeds industry standards.

Technical Specifications

OEM Cross-Reference

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

• 146403-4820
• 9 461 616 141

Compatibility

• Engine Models: Isuzu 4JG2 diesel engine.
• Vehicle Applications: Commonly used in Isuzu NPR, NQR, Elf trucks, and various industrial machinery powered by the 4JG2 engine platform.

Global Supply & Distribution

We are a dedicated supplier of diesel engine components with a robust international logistics network. Our export capabilities ensure fast and reliable delivery to key global markets:

• North America: Quick shipping to major ports like Los Angeles, Houston, and New York.
• Europe: Efficient distribution to Rotterdam, Hamburg, and other industrial hubs.
• Asia-Pacific: Direct service to Singapore, Bangkok, and major Chinese ports like Shanghai and Ningbo.
• Middle East & Africa: Reliable shipping to Dubai, Jebel Ali, and Durban.
• South America: Established routes to Santos, Buenos Aires, and Callao.

We handle all international trade documentation and compliance, ensuring a smooth transaction for B2B buyers worldwide.

Quality Assurance

• Manufacturing Standards: Produced in a facility adhering to ISO 9001 quality management principles.
• Warranty: Comes with a 4-month warranty against manufacturing defects.
• Testing: Each head rotor is inspected for dimensional accuracy and surface finish to guarantee reliable performance.

FAQ

Q1: Is this head rotor a direct replacement for the original part on my 4JG2 engine pump?
Yes, this part is manufactured as a direct replacement for the OEM numbers 146403-4820 and 9 461 616 141. It is designed to fit perfectly and function correctly within the standard fuel injection pump for the Isuzu 4JG2 engine without requiring modifications.

Q2: What is the recommended installation procedure for this part?
Installation should be performed by a qualified diesel mechanic. The process typically involves disassembling the fuel injection pump, carefully removing the old head rotor, cleaning the mating surfaces, and installing the new rotor with the correct torque specifications. Proper alignment and cleanliness are critical to prevent pump failure.

Q3: How can I ensure the longevity of this fuel injection pump head rotor?
Longevity is maximized by using clean, high-quality diesel fuel and maintaining your fuel system’s filters. Contaminated fuel is the primary cause of premature wear on precision fuel injection components. Adhering to the engine manufacturer’s recommended service intervals for fuel filter changes will significantly extend the life of this part.

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 .