Product Overview

This is a high-quality replacement plunger element designed for Zexel A814 series diesel fuel injection pumps. Engineered to meet or exceed original specifications, it ensures precise fuel metering and reliable engine performance. We specialize in the global supply of critical diesel injection components, serving major industrial and automotive markets worldwide with efficient logistics and expert technical support for B2B clients.

Key Features & Benefits

• Precision Engineering: Manufactured to exact OEM tolerances for optimal fuel flow and injection timing.
• Premium Material: Constructed from high-grade, wear-resistant steel for extended service life under high-pressure conditions.
• Enhanced Durability: Advanced surface treatments minimize wear and prevent seizure, ensuring consistent performance.
• Direct Replacement: Designed as a direct fit for the original Zexel A814 pump, requiring no modifications for installation.
• Performance Restoration: Replaces worn plungers to restore pump efficiency, engine power, and fuel economy.

Technical Specifications

OEM Cross-Reference

This plunger element is a direct replacement for the following OEM part numbers:

• Zexel: 131150-2620
• Denso: 131150-2620
• This part is also compatible with pumps carrying the alternative designation A814-… series.

Compatibility

This plunger is specifically designed for the Zexel (Denso) A814 model rotary diesel fuel injection pump. These pumps are commonly found on a wide range of industrial diesel engines and commercial vehicles, including various models from Isuzu, Hino, and other manufacturers utilizing Zexel/Denso injection systems. For precise application, always verify the pump model number (A814) and the existing plunger part number.

Global Supply & Distribution

We are a leading B2B supplier of diesel engine components with a robust international supply chain. Our capabilities include:

• Worldwide Shipping: Reliable export to North America, Europe, Asia-Pacific, the Middle East, Africa, and South America.
• Major Port Access: Fast containerized and air freight logistics to key hubs like Rotterdam, Los Angeles, Singapore, Dubai, and Hamburg.
• Regional Warehousing: Strategic stock in major industrial regions to reduce lead times for bulk orders.
• Trade Compliance: All shipments are handled with complete commercial documentation (Packing List, Invoice, Certificate of Origin) compliant with international trade regulations.

Quality Assurance

Every component in our inventory is sourced from certified manufacturers and undergoes rigorous quality checks.

• Manufacturing Standards: Produced in ISO-certified facilities using precision CNC machinery.
• Dimensional Verification: Each plunger is inspected for critical dimensions, surface finish, and hardness to ensure perfect fit and function.
• Performance Warranty: Backed by a standard warranty against manufacturing defects, providing confidence for your fleet or repair business.

FAQ

Q1: How do I confirm this plunger is the correct part for my specific A814 pump?
A1: The most reliable method is to match the part number stamped on your original plunger. The primary number is 131150-2620. Also, verify the external pump model plate reads “A814.” If uncertain, provide clear photos of the old plunger and pump tag for our technical team to cross-verify.

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

Q3: Can this plunger be installed as a single component, or does the entire pump assembly need servicing?
A3> While the plunger can be replaced individually, it is a high-precision task that requires a clean environment and specialized tools. We strongly recommend that replacement be performed by a qualified diesel fuel injection specialist. They will typically inspect and match the new plunger with its corresponding barrel (liner) and may recommend replacing both as a matched set for optimal performance and longevity.

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 .