Product Details
Product Overview
This high-quality P-type plunger, specifically designed for the Ek100 engine, is a critical component for maintaining optimal fuel injection pressure and engine performance. Manufactured to strict OE specifications, this plunger (part number P44, with cross-references 134101-5820 and 1341015820) ensures precise fuel metering and reliable operation. We serve a global network of B2B clients, including major markets in North America, South America, Europe, Southeast Asia, the Middle East, and Africa, providing a dependable supply chain for automotive repair shops, engine rebuilders, and parts distributors worldwide.
Key Features & Benefits
- Precision Engineering: Manufactured to standard size with tight tolerances for a perfect seal and consistent high-pressure output in the fuel injection system.
- Superior Durability: Constructed from high-quality, wear-resistant materials to withstand the extreme pressures and demanding conditions of diesel engine operation.
- Direct Replacement: Designed as a direct OE replacement for part numbers P44, 134101-5820, and 1341015820, ensuring a hassle-free installation.
- Enhanced Engine Performance: Restores proper fuel atomization and injection timing, leading to improved fuel efficiency, increased power output, and reduced emissions.
- Reliable Operation: Rigorously tested to ensure consistent performance and a long service life, minimizing downtime for your equipment.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Name | High-Pressure Plunger |
| OE Number | P44, 134101-5820, 1341015820 |
| Model Number | P44 |
| Application | Fuel Injection System |
| Condition | New |
| Size | Standard |
| Quality | High-Quality |
| Warranty | 6 Months |
| Place of Origin | Shandong, China |
| Single Package Size | 25 x 10 x 15 cm |
| Single Gross Weight | 0.200 kg |
OEM Cross-Reference
This plunger is a direct replacement for the following OEM and reference numbers:
- OEM Number: P44
- Cross-Reference Number 1: 134101-5820
- Cross-Reference Number 2: 1341015820
Compatibility
This high-pressure plunger is specifically designed for use in the fuel injection pump of the following engine model:
- Engine Model: Ek100
- Vehicle Application: Car Engine (specific make/model may vary; please verify fitment using your original part number)
Global Supply & Distribution
We are a premier supplier of diesel engine parts with a robust global logistics network. We can ship this P44 plunger to virtually any location worldwide.
- Worldwide Shipping: We partner with major carriers including DHL, FedEx, EMS, TNT, and UPS to ensure fast and reliable delivery.
- Major Markets Served: Our parts are exported to North America, Europe, Asia-Pacific, the Middle East, Africa, and South America.
- Fast Delivery: Standard delivery time is 3-7 days to major ports and industrial centers. Express shipping options are available for urgent orders.
- Export Experience: With extensive experience in international trade, we ensure all documentation and customs compliance are handled professionally.
Quality Assurance
- Manufacturing Standards: Our plungers are manufactured in ISO-certified facilities, adhering to strict quality control procedures throughout the production process.
- Warranty: We offer a 6-month warranty against manufacturing defects, providing peace of mind for your purchase.
- Testing: Each unit undergoes rigorous testing for dimensional accuracy, material hardness, and surface finish to ensure it meets OE performance standards.
FAQ
1. How can I confirm this P44 plunger will fit my engine?
Please verify the part number on your existing plunger or your engine’s service manual. This plunger is an exact replacement for OEM numbers P44, 134101-5820, and 1341015820. It is specifically designed for the Ek100 engine platform. If you are unsure, please contact us with your engine model and original part number for cross-verification.
2. What is the correct installation procedure for this high-pressure plunger?
Installation should be performed by a qualified diesel technician. The plunger must be installed in a clean environment to prevent contamination. It is critical to lubricate the plunger with clean diesel fuel or assembly oil before installation. Ensure the plunger is seated correctly in the barrel and the drive mechanism is properly aligned. Incorrect installation can lead to pump failure or engine damage.
3. What maintenance is required to ensure a long service life for this plunger?
The longevity of the plunger is highly dependent on the quality of the fuel and the fuel filter. We recommend using high-quality diesel fuel and replacing your fuel filters at the manufacturer’s recommended intervals. Contaminants in the fuel are the primary cause of plunger wear. If you notice symptoms like hard starting, rough idling, or loss of power, inspect the fuel injection system components, including the plunger, for wear.
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 .
FAQ
Common Product Inquiry Questions
How can I confirm this part matches my engine or injector model?
Send the OEM number, engine model, application, or clear product photos. We will help verify the suitable part before quotation.
Can I ask for packing, shipping, and delivery details together?
Yes. You can combine product confirmation, quantity, destination, packing request, and shipment method in one inquiry so the quotation is more complete.
Why is price not displayed on the page?
This catalog is built for B2B inquiry. Final pricing depends on the confirmed part number, quantity, stock situation, and shipping destination.
What information helps you quote faster?
Please include the OEM number, engine model, quantity, destination country, and any packing or shipping preference. This usually speeds up matching and quotation.
Inquiry Desk
Send Product Inquiry
Use this form to ask for fitment, MOQ, delivery time, packing, and shipping support for this product.
- Simple inquiry flow with direct sales follow-up.
- Send OEM number, quantity, or destination in the optional message if available.
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Quick Inquiry
P44 Plunger High-Pressure Fuel Injection Pump Part 134101-5820 1341015820 for Ek100 Engine
Send one clear inquiry and we will reply with quotation, lead time, and fitment confirmation.
- OEM number is included automatically when available.
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Inquiry Desk
Send Inquiry
Quick contact for this product. OEM number is attached automatically.
- Simple inquiry flow with direct sales follow-up.
- Send OEM number, quantity, or destination in the optional message if available.
- Every submission is stored in WordPress and sent to your admin email.