Product Overview

This high-precision barrel and plunger assembly (Part Numbers: 134151-6620, 1341516620, P145) is a critical component for diesel fuel injection systems in Nissan engines. Manufactured to strict OE standards, this unit ensures optimal fuel metering and injection pressure for reliable engine performance. With a global supply network, we serve major markets including North America, Europe, Southeast Asia, and the Middle East, ensuring fast delivery to ports and industrial centers worldwide.

Key Features & Benefits

• High-Precision Engineering: Manufactured from premium high-speed steel for exceptional wear resistance and dimensional stability.
• 100% Professional Testing: Every unit is individually tested for flow rate, pressure, and leakage to guarantee flawless operation.
• Direct OE Replacement: Designed for a perfect fit and plug-and-play installation, eliminating the need for modifications.
• Enhanced Durability: Superior surface finish and heat treatment reduce friction, extending the service life of the injection pump.
• Optimized Fuel Economy: Precise plunger geometry ensures accurate fuel delivery, improving combustion efficiency and reducing emissions.

Technical Specifications

OEM Cross-Reference

This barrel and plunger assembly is a direct replacement for the following OEM numbers:

• 134151-6620 (Primary Nissan OEM)
• 1341516620 (Alternate format)
• P145 (Pump identification number)

Compatibility

This fuel injection pump component is designed for use in Nissan diesel engines, commonly found in the following applications:

• Engine Models: Nissan P145 series fuel injection pumps
• Vehicle Applications: Diesel truck engines, industrial machinery, and agricultural equipment utilizing the P145 pump platform
• Note: Verify your existing pump’s identification number to ensure compatibility.

Global Supply & Distribution

We offer worldwide logistics solutions to support B2B clients across the globe:

• Shipping Capabilities: Air freight, sea freight (FOB/CIF), and express courier (DHL, FedEx, UPS).
• Major Markets: North America (USA, Canada, Mexico), Europe (Germany, UK, Netherlands), Asia-Pacific (Japan, Thailand, Australia), Middle East (UAE, Saudi Arabia), and Africa.
• Fast Delivery: Standard stock items shipped within 3 days to major ports like Los Angeles, Rotterdam, Shanghai, and Jebel Ali.
• Export Experience: Fully compliant with international trade regulations; we provide all necessary documentation for customs clearance.

Quality Assurance

• Manufacturing Standards: Produced in ISO-certified facilities in Shandong, China, with strict adherence to original equipment specifications.
• Testing: 100% of units undergo professional testing for dimensional accuracy, surface finish, and hydraulic performance.
• Warranty: Backed by a 4-month warranty against manufacturing defects.
• Packing Options: Available in Original, Neutral, or our own brand packaging to suit your distribution needs.

FAQ

Q1: How do I confirm this barrel and plunger assembly is correct for my injection pump?
A: Check the identification number stamped on your current pump’s barrel or plunger. It should match one of the numbers listed in our OEM Cross-Reference section (134151-6620, 1341516620, or P145). If you are unsure, please provide a photo of your existing part for verification.

Q2: What is the recommended installation procedure?
A: Installation should be performed by a qualified diesel technician. The work area must be exceptionally clean to prevent contamination. Lubricate the new plunger with clean diesel fuel before insertion. Ensure the barrel is seated correctly in the pump housing and torque to the manufacturer’s specification. We recommend replacing the delivery valve and gaskets at the same time.

Q3: How can I maximize the service life of this component?
A: Use clean, high-quality diesel fuel that meets the engine manufacturer’s specifications. Regularly replace the fuel filter and water separator. Avoid running the engine on low fuel, which can draw air and debris into the pump. If the injection pump is overhauled, ensure the entire system (including injectors) is serviced to prevent premature wear on the new barrel and plunger.

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 .