Product Overview

This high-quality diesel fuel injection pump plunger, bearing OEM number 2418455129 (also known as 2455/129, 2455-129, and 2 418 455 129), is a critical component for precision fuel delivery in heavy-duty excavator and industrial diesel engines. Manufactured to meet or exceed original equipment specifications, this plunger ensures optimal fuel atomization, combustion efficiency, and engine performance. We serve a global B2B clientele, with regular shipments to major industrial markets in North America, Europe, Southeast Asia, the Middle East, and Africa. Our supply chain is optimized for fast, reliable delivery to ports and logistics hubs worldwide.

Key Features & Benefits

• Precision Engineering: Machined to exact OEM tolerances for a perfect fit and consistent fuel metering.
• Superior Durability: Constructed from high-grade alloy steel with advanced heat treatment, ensuring long service life under extreme pressure and high-temperature conditions.
• Optimized Fuel Efficiency: Reduces internal leakage, improving injection pressure and promoting complete combustion for lower fuel consumption.
• Rigorous Quality Control: 100% tested for dimensional accuracy, surface finish, and hydraulic performance before shipment.
• Direct Replacement: A drop-in replacement part, designed for easy installation with no modifications required.

Technical Specifications

OEM Cross-Reference

This plunger is a direct replacement for the following OEM and reference numbers:

• Primary OEM: 2418455129
• Alternate Numbers: 2455/129, 2455-129, 2455129, 2 418 455 129

Compatibility

This plunger is designed for use in fuel injection pumps commonly found in:

• Engine Applications: Various diesel engines used in excavators, loaders, and industrial machinery.
• Vehicle Models: Compatible with specific models from major construction equipment manufacturers (please verify your pump model).
• Note: We recommend confirming the physical dimensions and pump type against the original part before ordering. This is a specific component for the fuel injection pump, not a universal part.

Global Supply & Distribution

As a dedicated supplier to the heavy machinery aftermarket, we offer a global logistics network. Our standard shipping partners include DHL, FedEx, EMS, TNT, and UPS, ensuring fast and traceable delivery.

• Major Markets: We regularly export to the United States, Canada, Germany, the United Kingdom, Australia, the UAE, Saudi Arabia, South Africa, and Singapore.
• Delivery Time: Standard stock items are dispatched within 3-7 working days after payment confirmation.
• Bulk Orders: For large quantities, we can arrange sea freight to major ports like Rotterdam, Los Angeles, Shanghai, and Jebel Ali.
• Trade Compliance: We adhere to international export regulations and can provide necessary customs documentation.

Quality Assurance

• Manufacturing Standards: Produced in a facility with strict quality management systems, ensuring consistent product quality.
• Testing: Each plunger undergoes rigorous inspection for hardness, surface finish, and dimensional accuracy.
• Warranty: We provide a 3-month warranty against manufacturing defects. Our dedicated 24-hour customer service team is ready to assist with any technical or logistical inquiries.

FAQ

Q1: How do I confirm if this plunger (2418455129) fits my injection pump?

First, locate the part number on your old plunger or the injection pump housing. It should be stamped or printed on the component. Compare it directly to our OEM number 2418455129 or its cross-references like 2455-129. We also recommend measuring the plunger diameter and length to ensure a match. If you are unsure, please contact our support team with your pump model and engine details.

Q2: What is the recommended installation procedure for a fuel injection pump plunger?

Installation of a plunger is a precision task that should be performed by a qualified diesel mechanic. The work area must be extremely clean to prevent any contamination. The plunger must be lubricated with clean diesel fuel or assembly oil before installation. It should slide freely into the barrel without force. Overtightening the retaining hardware can cause binding. Always refer to the manufacturer’s service manual for the specific injection pump being serviced.

Q3: What maintenance can I perform to extend the life of the new plunger?

The most critical factor is fuel quality. Always use clean, high-quality diesel fuel and replace the fuel filters at the recommended intervals. Water and particulates in the fuel are the primary causes of plunger wear. Additionally, ensure the injection pump is properly timed and that the fuel delivery system is free of air leaks. Regular inspection of the pump for any signs of leakage or abnormal noise can help identify issues early.