Product Overview

This high-precision Pump Plunger MW Series (Part No. 2455-122 / 2 418 455 122) is a critical fuel injection component designed for Mercedes-Benz diesel engines. Manufactured to strict OEM specifications, this element ensures optimal fuel metering and injection timing for enhanced engine performance and fuel economy. We export globally to over 50 countries, serving major markets in North America, Europe, Southeast Asia, and the Middle East with reliable, stock-ready inventory for quick dispatch to industrial centers and major ports worldwide.

Key Features & Benefits

• Precision Engineering: Manufactured from High-Speed Steel for superior wear resistance and longevity, ensuring consistent fuel delivery.
• 100% Professional Testing: Each plunger undergoes rigorous quality checks for dimensional accuracy and surface finish to guarantee perfect fitment and operation.
• Direct OEM Replacement: Matches the original Mercedes-Benz part number 2 418 455 122, eliminating fitment guesswork.
• Enhanced Performance: Restores injection pressure and atomization, reducing smoke and improving cold start behavior.
• Reliable Supply: Low MOQ (6 Pcs) with fast 3-7 day delivery for urgent maintenance needs.

Technical Specifications

OEM Cross-Reference

This product is a direct replacement for the following original manufacturer part numbers:

• Mercedes-Benz: 2 418 455 122
• Alternative Numbers: 2418455122, 2455-122, 2455/122

Note: This part is designed for MW series injection pumps. Always verify your pump model before ordering.

Compatibility

Engine Models: Suitable for Mercedes-Benz diesel engines equipped with MW series fuel injection pumps, commonly found in older commercial vehicles, agricultural machinery, and industrial power units.

Vehicle Applications: Compatible with various Mercedes-Benz trucks, buses, and off-highway equipment using inline fuel injection systems. For specific vehicle fitment, please cross-reference your existing part number or consult our technical team.

Global Supply & Distribution

We offer worldwide shipping with reliable logistics partners to ensure fast delivery to your doorstep or warehouse. Our distribution network covers:

• North America: Fast delivery to ports like Los Angeles, Houston, and New York.
• Europe: Regular shipments to Rotterdam, Hamburg, and Antwerp.
• Asia-Pacific: Direct shipping to Singapore, Dubai, and major Chinese ports.
• Middle East & Africa: Serving industrial centers in Jeddah, Durban, and Lagos.

We maintain a large inventory to support quick dispatch (3-7 days) and offer flexible payment terms (TT, Western Union, PayPal).

Quality Assurance

Our pump plungers are manufactured in ISO-certified facilities in Shandong, China, adhering to strict international quality standards. Each component is:

• Inspected for dimensional accuracy using CMM (Coordinate Measuring Machine).
• Surface hardness and finish tested for optimal wear resistance.
• Functionally tested to ensure leak-free performance under high pressure.

We stand behind our product with a 6-month warranty against manufacturing defects.

FAQ

Q: How do I confirm this plunger fits my injection pump?
A: Please verify your pump’s model designation (should be MW series) and cross-reference your existing plunger part number. The key OEM number is 2 418 455 122. If you have the old part, compare the dimensions and groove pattern.

Q: What is the installation procedure for this pump plunger?
A: Installation requires professional knowledge of diesel injection systems. The plunger must be carefully cleaned, lubricated with clean diesel fuel, and inserted into the pump barrel without forcing. Ensure the control sleeve and rack are correctly aligned. We recommend installation by a certified diesel mechanic.

Q: How should I store this part before installation?
A: Store the plunger in its original packaging in a clean, dry environment away from dust and moisture. Do not remove the protective coating until ready to install. Avoid exposure to extreme temperatures or corrosive chemicals.

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 .