Product Overview

This high-precision Fuel Injection Pump Head Rotor, OEM number 146403-3520, is a critical component for the VE-type distributor injection pump found in Nissan TD27 diesel engines. Manufactured to exacting OE specifications, this 4-cylinder rotor ensures optimal fuel metering and pressure generation for reliable engine performance. As a key replacement part for diesel fuel systems, it is designed for global distribution, serving major markets including North America, Europe, Southeast Asia, and the Middle East.

Key Features & Benefits

• Premium Material: Constructed from High-Speed Steel for exceptional wear resistance and extended service life under high-pressure conditions.
• Precision Engineering: Features a 4/10R design (4-cylinder, 10mm plunger, right-hand rotation) for accurate fuel delivery and injection timing.
• OEM Standard: Direct replacement for Nissan part 146403-3520, ensuring a perfect fit and seamless integration with the VE injection pump.
• 100% Tested: Every unit undergoes professional testing to guarantee dimensional accuracy, surface finish, and hydraulic performance.
• Reliable Supply: Low minimum order quantity (1 Pcs) with fast 3-7 day delivery from stock.

Technical Specifications

OEM Cross-Reference

This head rotor is a direct replacement for the following OEM part numbers:

• 146403-3520 (Nissan)
• 1464033520 (Nissan – alternate format)

Note: This part is specific to the VE-type pump with a 4/10R configuration. Please verify your pump’s rotation and plunger size before ordering.

Compatibility

This fuel injection pump head rotor is designed for the following applications:

• Engine Model: Nissan TD27 (Naturally Aspirated and Turbocharged variants)
• Pump Type: Bosch VE-type distributor injection pump with 4/10R specification
• Vehicle Applications: Nissan Cabstar, Nissan Atlas, Nissan Homy, Nissan Caravan, and other industrial/commercial vehicles equipped with the TD27 engine
• Years: Common in models from the 1980s through early 2000s

Global Supply & Distribution

We provide worldwide shipping for this critical diesel fuel system component. Our logistics network ensures fast and reliable delivery to major industrial centers and ports globally.

• Major Markets Served: North America (USA, Canada, Mexico), Europe (UK, Germany, France, Netherlands), Asia-Pacific (Japan, Australia, New Zealand, Singapore), Middle East (UAE, Saudi Arabia, Qatar), Africa (South Africa, Nigeria), and South America (Brazil, Argentina).
• Shipping Options: Express (DHL, FedEx, UPS, TNT) for urgent orders (3-7 days), Air Freight for larger volumes, and Sea Freight for cost-effective bulk shipping.
• Export Experience: Extensive experience in international trade, ensuring proper documentation, customs clearance support, and compliance with export regulations.

Quality Assurance

• Manufacturing Standards: Produced in an ISO-certified facility in Shandong, China, using advanced CNC machining and heat treatment processes.
• Testing Procedures: Each head rotor is 100% professionally tested for dimensional accuracy, surface hardness (HRC), and hydraulic sealing.
• Warranty: Backed by a comprehensive 1-year warranty against manufacturing defects in materials and workmanship.
• Certification: Compliant with industry standards for diesel fuel injection components.

FAQ

Q: How do I confirm this head rotor fits my VE pump?
A: This part (146403-3520) is specifically designed for a 4-cylinder VE pump with a 4/10R configuration. This means it is for a 4-cylinder engine, uses a 10mm plunger, and is for a right-hand rotation pump. Always verify your pump’s tag or markings (e.g., “4/10R”) and the existing part number before purchasing. If your pump has a different rotation or plunger size, this part will not be compatible.

Q: What are the common symptoms of a failing head rotor?
A: Symptoms include hard starting, rough idling, poor engine performance under load, black smoke from the exhaust, and reduced fuel economy. A worn rotor can cause uneven fuel delivery between cylinders. If you experience these issues and have ruled out other fuel system problems (e.g., clogged filters, air in the system), the head rotor may need replacement.

Q: Is professional installation required?
A: Yes, replacing a VE pump head rotor is a precision task that requires disassembly of the injection pump. It should only be performed by a qualified diesel injection technician with proper tools and a clean work environment. Incorrect installation can lead to pump damage, engine performance issues, or safety hazards. The pump must be re-calibrated on a test bench after rotor replacement to ensure correct fuel delivery and timing.

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 .