Product Overview

This high-precision A44 Plunger Assembly is a critical component for diesel fuel injection systems, engineered for reliable performance and extended service life. Designed as a direct replacement for OEM part number 131151-3220, it is manufactured to exacting standards for a perfect fit and optimal fuel delivery. We supply this component to a global network of distributors, engine rebuilders, and heavy machinery service centers across North America, Europe, the Middle East, and Asia-Pacific.

Key Features & Benefits

• Precision Engineering: Manufactured from high-grade materials with tight tolerances to ensure accurate fuel metering and consistent engine performance.
• Enhanced Durability: Advanced surface treatments and hardening processes reduce wear, extending the operational life of the fuel injection pump.
• Direct OEM Replacement: Designed as a 1:1 match for the original part, guaranteeing seamless integration and restoring factory-level performance.
• Global Compliance: Supplied in neutral packaging suitable for international export and distribution, meeting the needs of B2B partners worldwide.
• Reliable Supply: Supported by a streamlined logistics network for fast delivery to major industrial hubs and ports.

Technical Specifications

OEM Cross-Reference

This plunger assembly is a direct cross-reference for the following part numbers:

• Primary OEM No.: 131151-3220
• Alternate Format: 1311513220
• Model Designation: A44

Compatibility

This A44 plunger is designed for use in diesel fuel injection pumps, commonly found in various agricultural machinery and industrial engines. It is crucial to verify the specific pump model and engine application using the OEM part number (131151-3220) before purchase to ensure correct fitment.

Global Supply & Distribution

We are a dedicated supplier to the global heavy equipment and engine parts aftermarket. Our logistics are optimized for international B2B trade:

• Worldwide Shipping: We ship via major carriers including DHL, FedEx, UPS, TNT, and EMS to destinations worldwide.
• Key Markets Served: We regularly supply partners in North America (USA, Canada), the European Union, the United Kingdom, Australia, the Middle East (UAE, Saudi Arabia), and Southeast Asia.
• Efficient Delivery: Standard delivery to major ports and industrial centers typically takes 3-7 days. We handle all export documentation and compliance for smooth customs clearance.
• Export Expertise: With extensive experience in international trade, we ensure all shipments meet necessary standards and are packaged securely for long-distance transport.

Quality Assurance

Every component is subject to a rigorous quality control process to meet the demands of professional engine rebuilders and technicians.

• Manufacturing Standards: Produced in a certified facility using precision CNC machinery and strict quality management protocols.
• Warranty: Backed by a 6-month warranty against manufacturing defects, providing confidence in your purchase.
• Testing: Critical dimensions and surface finishes are verified to ensure they match original specifications for performance and reliability.

FAQ

Q: How do I confirm this plunger is compatible with my specific fuel injection pump?
A: Compatibility is determined by the OEM part number. Please match your old part’s number to our listed OEM number 131151-3220 or its variant 1311513220. The model designation A44 is also a key identifier. If unsure, consult your pump’s technical manual or contact our support with your pump model.

Q: What is the recommended procedure for installing this replacement plunger?
A: Installation should be performed by a qualified technician. It requires a clean environment to prevent contamination. The fuel injection pump must be disassembled according to the service manual, the old plunger and barrel set replaced as a matched pair (if applicable), and the pump recalibrated to ensure proper fuel timing and pressure.

Q: What are the payment and shipping terms for international B2B orders?
A: We accept T/T (Bank Transfer), PayPal, and Western Union. The Minimum Order Quantity (MOQ) is 10 pieces. Shipping costs and final delivery times are calculated based on destination and order volume after the delivery address is confirmed. We provide all necessary commercial invoices and packing lists for customs.

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 .