Product Details
Product Overview
This high-quality P-Type Plunger (Part No. 2418455040 / 2455040 / 2455-040) is a critical component for diesel fuel injection systems. Designed for precision fuel metering and high-pressure generation, this element is ideal for replacement and repair of fuel injection pumps in various heavy-duty and automotive engines. We serve a global B2B clientele, with major markets in North America, Europe, Southeast Asia, the Middle East, and South America, ensuring reliable supply chains for workshops and distributors worldwide.
Key Features & Benefits
- Premium Material: Constructed from high-grade alloy steel with a precision-ground surface for exceptional wear resistance and long service life.
- Precision Engineering: Manufactured to strict OEM tolerances (Standard size) to ensure accurate fuel delivery, optimal engine performance, and reduced fuel consumption.
- High-Pressure Capability: Specifically designed for P-type injection pumps, capable of withstanding extreme pressures generated during the injection cycle.
- Direct Replacement: Perfect fitment for existing pump assemblies, minimizing downtime during installation.
- Rigorous Testing: Each plunger undergoes strict quality control checks for dimensional accuracy and leak-proof performance.
Technical Specifications
| Specification | Details |
|---|---|
| Part Number | 2418455040 / 2455040 / 2455-040 |
| Product Type | P-Type Plunger (Fuel Injection Pump Element) |
| Condition | New |
| Size | Standard |
| Application | Fuel Injection System |
| Quality | High-Quality |
| Warranty | 3 Months |
| Place of Origin | Shandong, China |
| Packing | Neutral Package |
OEM Cross-Reference
This plunger is a direct replacement for the following OEM and reference numbers:
- Primary OEM: 2418455040
- Alternate Numbers: 2455040, 2455-040, 2455/040
Note: Always verify your existing part number against the list above to ensure compatibility.
Compatibility
This P-Type Plunger is designed for use in Bosch-style P-type fuel injection pumps commonly found in:
- Engine Applications: Diesel engines for trucks, buses, agricultural tractors, construction machinery, and industrial generators.
- Vehicle Models: Suitable for various car and commercial vehicle engines requiring standard P-type pump elements.
Global Supply & Distribution
We offer efficient worldwide shipping to support your business operations:
- Shipping Partners: DHL, FedEx, EMS, TNT, UPS for fast and trackable delivery.
- Delivery Time: 3-7 working days for in-stock items.
- Major Markets: North America (USA, Canada, Mexico), Europe (Germany, UK, France, Netherlands), Asia-Pacific (Japan, Korea, Australia, Singapore), Middle East (UAE, Saudi Arabia), and South America (Brazil, Argentina).
- Export Expertise: Experienced in international trade documentation and customs clearance.
Quality Assurance
- Manufacturing Standards: Produced under strict quality management systems in ISO-certified facilities.
- Testing: 100% inspected for dimensional accuracy, surface finish, and hydraulic performance.
- Warranty: 3-month warranty against manufacturing defects.
- Customer Service: 24-hour customer support for technical inquiries and after-sales service.
FAQ
Q1: How do I verify if this plunger (2418455040) fits my injection pump?
A: First, check the part number stamped on your old plunger or the pump housing. This model is a standard P-type element. If your old part number matches 2418455040, 2455040, or 2455-040, it is a direct fit. If you are unsure, please contact us with your pump model (e.g., Bosch PES or PE type) and engine specifications for cross-verification.
Q2: What is the installation procedure for a P-type plunger?
A: Installation requires a clean environment. Remove the old plunger from the pump barrel. Lubricate the new plunger with clean diesel fuel or assembly oil. Carefully insert it into the barrel, ensuring no binding. The plunger should slide freely under its own weight. Always replace the delivery valve and spring simultaneously for best performance. Torque all components to manufacturer specifications.
Q3: What is the typical lifespan of this plunger, and how can I maximize it?
A: Lifespan varies based on fuel quality and operating conditions, but a high-quality element can last 100,000-200,000 km or more in standard applications. To maximize life, always use clean, high-quality diesel fuel, replace fuel filters regularly, and ensure no water or contaminants enter the fuel system. Proper lubrication is critical; never run the pump dry.
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.
- Every submission is stored in WordPress and sent to your admin email.
Related Products
More Products In This Catalog
-
-
High Quality Diesel Fuel Injector Spring 2434614020 for Engine Models | High Speed Steel
MOQ: 1pcs
Price: Negotiable
-
High Speed Steel Diesel Fuel Injector Nozzle DN20PD32 150P068 for Common Rail Injection System
MOQ: 1pcs
Price: Negotiable
-
DENSO Diesel Fuel Injector Nozzle 093400-7680 DLLA146P768 for Hitachi Excavator Engine
MOQ: 1pcs
Price: Negotiable
Quick Inquiry
Bosch Style P-Type Plunger 2418455040 2455040 High Pressure Fuel Injection Pump Element
Send one clear inquiry and we will reply with quotation, lead time, and fitment confirmation.
- OEM number is included automatically when available.
- Add quantity, destination, and packing needs for a faster quote.
Inquiry Form
Send Inquiry
Leave your email and phone / WhatsApp so sales can follow up directly.
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.