Product Overview

This high-precision HP3 pump plunger is a critical component for modern diesel fuel injection systems. Manufactured to OEM specifications, it ensures optimal fuel delivery and combustion efficiency. We are a leading supplier based in Shandong, China, serving a global network of B2B clients in North America, Europe, Southeast Asia, and the Middle East. Our inventory supports over 20 different 294000-series pump models, making this a versatile replacement part for your workshop or supply chain.

Key Features & Benefits

• Premium Material: Constructed from high-speed steel for superior wear resistance and extended service life, even under high-pressure injection conditions.
• OEM Standard Fitment: Direct replacement for multiple 294000-series pump models, including 294000-0075, 0237, 0334, 0356, 0369, 0380, and more.
• 100% Tested Quality: Every plunger undergoes professional testing for dimensional accuracy and surface finish to ensure reliable performance.
• Enhanced Performance: Restores fuel injection pressure and timing, improving engine power output and reducing fuel consumption.
• Flexible Packaging: Customized packaging options available to meet your branding or bulk storage requirements.

Technical Specifications

OEM Cross-Reference

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

• Primary Numbers: 294090-0080, 294090-0180
• Alternative Numbers: 294090-0400, 294090-0740

These numbers correspond to plunger kits used in the 294000-series pump models listed below.

Compatibility

This plunger is designed for use in the following HP3 fuel injection pump models:

• Pump Models: 294000-0075, 294000-0237, 294000-0334, 294000-0356, 294000-0369, 294000-0380, 294000-0435, 294000-0544, 294000-0594, 294000-0630, 294000-0690, 294000-0700, 294000-0840, 294000-0890
• Vehicle Application: Suitable for heavy-duty diesel engines in trucks, construction machinery, and agricultural equipment.
• Engine Type: Common Rail (CR) diesel engines utilizing the Delphi HP3 pump system.

Global Supply & Distribution

We are a reliable partner for international B2B trade, offering efficient logistics to major global markets:

• Worldwide Shipping: We ship to North America, Europe, Asia-Pacific, the Middle East, Africa, and South America.
• Fast Delivery: Standard delivery time is 3-7 days via express courier (DHL, FedEx, TNT) or air freight to major ports and industrial centers.
• Trade Compliance: We have extensive export experience and ensure all documentation (commercial invoice, packing list) is provided for smooth customs clearance.
• Bulk Orders: Volume discounts are available for MOQ of 5 pcs or more, with flexible packaging options.

Quality Assurance

We maintain rigorous quality control to ensure every part meets industry standards:

• Manufacturing Standards: Produced in ISO-certified facilities using precision CNC machining.
• Testing: 100% professional testing for dimensional tolerance, surface hardness, and hydraulic performance.
• Warranty: 6-month warranty against manufacturing defects. We stand behind the reliability of our parts.
• Certification: Parts are traceable to their production batch for quality assurance.

FAQ

Q1: How do I verify if this plunger fits my pump model?

The plunger is compatible with the 294000-series pumps listed. Check the pump identification tag for the model number (e.g., 294000-0075). If your pump model is not listed, please contact us with your pump’s serial number for cross-reference.

Q2: What is the installation procedure for this HP3 plunger?

Installation should be performed by a qualified diesel technician. The plunger must be installed in a clean environment to prevent contamination. Ensure the plunger barrel is properly lubricated with clean diesel fuel before insertion. Torque the retaining screws to the manufacturer’s specifications. Improper installation can damage the high-precision surfaces.

Q3: How can I maximize the service life of this plunger?

To maximize longevity, always use high-quality fuel filters and replace them according to the engine’s maintenance schedule. Ensure the fuel system is free of water and contaminants. Regularly check the fuel injection timing and pressure to avoid over-stressing the plunger. If the pump shows signs of wear on other components, we recommend replacing the entire plunger and barrel assembly as a set.