Product Overview

This high-quality fuel injection pump barrel and plunger assembly (OEM Numbers: 131151-2220, A38) is a critical component for diesel engine fuel systems. Designed for direct replacement and repair, this precision-engineered part ensures optimal fuel delivery and combustion efficiency. We supply this essential component to global markets including North America, Europe, Asia-Pacific, the Middle East, and South America, supporting a wide range of diesel trucks and industrial engines.

Key Features & Benefits

• Precision Engineering: Manufactured from high-speed steel for exceptional wear resistance and long service life.
• 100% Tested Quality: Every unit undergoes rigorous professional testing to guarantee reliable performance and fuel system integrity.
• Direct Fit Replacement: Exact OEM specifications (131151-2220, A38) ensure seamless installation and compatibility with standard fuel injection pumps.
• Enhanced Fuel Efficiency: Precision-machined surfaces provide accurate fuel metering, reducing consumption and emissions.
• Durable Construction: Built to withstand high-pressure operating conditions common in modern diesel engines.

Technical Specifications

OEM Cross-Reference

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

• 131151-2220 (Primary OEM)
• A38 (Alternative OEM)

Please verify your existing part number for exact compatibility. This component is designed to meet or exceed original equipment specifications.

Compatibility

This fuel pump barrel and plunger assembly is designed for use in diesel fuel injection systems found in various trucks and industrial engines. It is a universal replacement part for applications requiring OEM numbers 131151-2220 or A38. Common applications include:

• Diesel truck engines
• Heavy-duty commercial vehicles
• Industrial diesel power units

Note: For specific engine model fitment (e.g., Isuzu, Hino, or similar), please cross-reference your existing part number with the provided OEM numbers.

Global Supply & Distribution

We offer worldwide shipping and reliable logistics solutions to support international B2B customers. Our distribution network covers:

• North America: Fast delivery to major ports (Los Angeles, Houston, New York) and industrial hubs.
• Europe: Efficient shipping to Rotterdam, Hamburg, and key distribution centers.
• Asia-Pacific: Direct supply to markets in Japan, South Korea, Australia, and Southeast Asia.
• Middle East & Africa: Reliable delivery to Dubai, Jeddah, and major African ports.
• South America: Service to Santos, Buenos Aires, and other key industrial centers.

We maintain export experience and comply with international trade standards to ensure smooth customs clearance. Bulk orders (MOQ 48 pcs) are available with neutral packaging or your own brand.

Quality Assurance

• Manufacturing Standards: Produced in ISO-compliant facilities in Shandong, China, with strict quality control.
• Testing: 100% professional testing for dimensional accuracy, material hardness, and pressure integrity.
• Warranty: 4-month warranty against manufacturing defects.
• Certifications: Parts are manufactured to meet or exceed OEM specifications for reliability and performance.

FAQ

Q1: How do I confirm if this barrel and plunger (131151-2220 / A38) fits my engine?
A: Check your existing part number. If it matches 131151-2220 or A38, this assembly is a direct fit. For engine-specific inquiries, provide your engine model and current part number for verification. This component is designed for standard diesel fuel injection pumps.

Q2: What is the recommended installation procedure for this barrel and plunger?
A: Installation should be performed by a qualified diesel technician. Ensure the fuel injection pump is clean and free of debris. Lubricate the plunger with clean diesel fuel or assembly oil before insertion. Torque to manufacturer specifications. Always replace related seals and gaskets during installation to prevent leaks.

Q3: How can I maximize the service life of this fuel pump component?
A: Use clean, high-quality diesel fuel and replace fuel filters regularly. Ensure the fuel system is free from water and contaminants. Follow the engine manufacturer’s maintenance schedule for injection pump service. Proper fuel filtration is critical to prevent premature wear of the 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 .