Product Overview

This is a genuine Zexel diesel plunger, a critical component for the precise fuel metering and high-pressure delivery within Zexel fuel injection pumps. Engineered and manufactured in Japan, this part is synonymous with reliability and performance. We supply this high-quality component to B2B clients worldwide, with extensive experience serving major markets across North America, Europe, Asia-Pacific, and the Middle East.

Key Features & Benefits

• Genuine Zexel Quality: Original equipment manufacturer (OEM) specification part ensuring perfect fit and optimal engine performance.
• Japanese Precision Manufacturing: Produced to the highest tolerances for exceptional durability and consistent fuel delivery.
• Enhanced Engine Performance: Restores original pump efficiency, leading to proper fuel atomization, smooth engine operation, and optimal power output.
• Superior Wear Resistance: Manufactured from high-grade materials to withstand the extreme pressures and abrasive conditions inside the fuel pump.
• Direct Replacement: Designed as an exact match for the original plunger, simplifying the repair and overhaul process for technicians.

Technical Specifications

OEM Cross-Reference

This genuine Zexel plunger directly replaces the following part numbers:

• Zexel: 131151-7320, A89 131151-7320
• Cross Reference: 9443610218

Always verify the part number from your original component or pump model before ordering.

Compatibility

This plunger is designed for specific Zexel (formerly Diesel Kiki) fuel injection pump models within the A89 series. It is a critical internal component for pumps used in a range of industrial and automotive diesel engines. Consult pump service manuals or contact our technical support for precise application verification based on the engine serial number or pump model.

Global Supply & Distribution

We are a leading B2B supplier of genuine automotive components with a robust global logistics network. We ensure reliable worldwide shipping to distributors, workshops, and fleet operators.

• Worldwide Reach: Regular shipments to North America (USA, Canada, Mexico), Europe (UK, Germany, Poland, Benelux), Asia-Pacific (Australia, Singapore, Japan), and the Middle East (UAE, Saudi Arabia).
• Efficient Logistics: Fast delivery to major ports and industrial hubs via air and sea freight. We provide comprehensive export documentation (Commercial Invoice, Packing List, Certificate of Origin).
• Trade Compliance: All shipments are prepared in full compliance with international trade regulations and customs requirements.

Quality Assurance

Every part we supply is backed by our commitment to quality and customer satisfaction.

• Genuine Part Guarantee: We source directly from authorized channels to guarantee authenticity.
• Manufacturing Standard: Produced in ISO-certified facilities to meet or exceed original Zexel specifications.
• Rigorous Inspection: Each component undergoes visual and dimensional checks to ensure it meets strict quality criteria before dispatch.
• Warranty: Covered by a standard warranty against manufacturing defects. Please contact us for specific warranty terms applicable to your region.

FAQ

Q1: How can I confirm this plunger is compatible with my specific fuel injection pump?
A1: The most reliable method is to match the part number stamped on your original plunger or the main housing of the fuel injection pump. The primary numbers for this part are 131151-7320 or 9443610218. Providing the pump model (e.g., A89-XXXX) or the engine application can also help our team verify compatibility.

Q2: What are the signs that a diesel pump plunger needs replacement?
A2: Common symptoms include hard starting, uneven engine idle, loss of engine power, excessive black or white smoke from the exhaust, and increased fuel consumption. These indicate wear on the plunger and barrel assembly, reducing pump pressure and metering accuracy.

Q3: Is professional installation required for this component?
A3> Yes. Replacing a fuel injection pump plunger is a precision task that requires a clean environment, specialized tools, and expert knowledge of fuel systems. It must be installed as part of a complete pump overhaul, including matching with a new barrel (sleeve) and following precise calibration procedures. We recommend installation by a qualified diesel fuel injection specialist.

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 .