Product Overview

This high-quality Ad-type plunger, model A147 (OEM 131153-0520 / 1311530520), is a precision-engineered component designed for the fuel injection systems of ISUZU excavators and heavy-duty machinery. As a critical part for fuel delivery, this plunger ensures optimal engine performance, fuel efficiency, and reliable starting. We are a leading supplier based in Shandong, China, serving a global B2B clientele. Our products are exported worldwide to major markets including North America, Europe, Southeast Asia, the Middle East, and Australia, providing a dependable supply chain for workshops, dealerships, and fleet operators.

Key Features & Benefits

• Precision Engineering: Manufactured to standard OEM specifications (A147 / 131153-0520) for a perfect fit and seamless replacement.
• Superior Durability: Constructed from high-grade alloy steel, heat-treated for exceptional wear resistance and a long service life under extreme pressures.
• Enhanced Performance: Restores original fuel injection pressure and atomization, leading to improved engine power, reduced fuel consumption, and lower emissions.
• Reliable Quality Control: Undergoes strict quality testing for dimensional accuracy, surface finish, and pressure integrity to ensure trouble-free operation.
• Cost-Effective Solution: A premium aftermarket alternative to expensive OEM parts, offering high reliability at a competitive price point.

Technical Specifications

OEM Cross-Reference

This plunger is a direct replacement for the following OEM part numbers. Please verify your original part number before ordering.

• Primary OEM: 131153-0520, 1311530520
• Model Reference: A147

Note: This is a high-quality aftermarket part. While it matches OEM specifications, it is not manufactured by the original equipment manufacturer.

Compatibility

This plunger is specifically designed for use in ISUZU fuel injection pumps commonly found in the following applications:

• Engine Models: Suitable for various ISUZU industrial and excavator engines utilizing the A147 plunger type in their injection pumps.
• Vehicle Applications: Primarily designed for ISUZU excavators and heavy construction machinery.

Note: We recommend consulting your engine or injection pump service manual to confirm the plunger model (A147) is correct for your specific application.

Global Supply & Distribution

We are an export-oriented supplier with extensive experience in international trade. Our logistics network ensures fast and reliable delivery to customers worldwide.

• Major Markets Served: North America (USA, Canada), Europe (Germany, UK, France, Italy), Asia-Pacific (Japan, South Korea, Australia), Middle East (UAE, Saudi Arabia), Africa, and South America.
• Shipping Partners: DHL, FedEx, EMS, TNT, UPS, and reliable sea freight for bulk orders.
• Delivery Time: 3-7 business days via express courier for stock items.
• Fast Dispatch to: Major industrial hubs and ports including Los Angeles, Houston, Rotterdam, Hamburg, Dubai, and Shanghai.

Quality Assurance

We prioritize quality to ensure your operations run smoothly.

• Manufacturing Standards: Produced in ISO-certified facilities with strict process control.
• Testing: Each plunger is inspected for dimensional tolerance, surface hardness, and hydraulic performance before packing.
• Warranty: We offer a 6-month warranty against manufacturing defects.
• Customer Service: Our team provides 24-hour customer service to answer your technical and order inquiries.

FAQ

Q: How do I confirm that the A147 plunger (131153-0520) is the correct part for my engine?
A: The most reliable method is to remove the old plunger from your injection pump and check the model number stamped on its side. It should read “A147”. You can also cross-reference your pump’s serial number or the OEM part number (131153-0520) with our specifications.

Q: Can this plunger be installed by a regular mechanic, or do I need specialized tools?
A: Replacing a fuel injection plunger requires disassembling the injection pump. This is a high-precision task that is strongly recommended to be performed by a qualified diesel injection technician in a clean workshop environment. Specialized tools for pump calibration and timing are typically required for proper installation and adjustment.

Q: What is the typical lifespan of this aftermarket plunger compared to the original ISUZU part?
A: The lifespan is highly dependent on fuel quality, maintenance, and operating conditions. This high-quality aftermarket plunger is manufactured to meet or exceed OEM specifications. When used with clean fuel and proper maintenance, it can provide a service life comparable to the original part, offering a very cost-effective replacement solution.

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 .