Product Overview

This professional-grade HP3 Pump Plunger, with OEM numbers 294090-0300 and 294090-0530, is a critical replacement component for the 294000 series fuel injection pumps. Designed for global diesel engine applications, this plunger ensures precise fuel metering and high-pressure delivery for optimal combustion efficiency. We serve markets across North America, Europe, Asia-Pacific, and the Middle East with fast, reliable shipping from our Chinese manufacturing facilities.

Key Features & Benefits

• Premium Material: Constructed from high-speed steel for exceptional wear resistance and long service life under extreme pressure conditions.
• 100% Tested Quality: Every unit undergoes professional performance testing to guarantee precise fitment and reliable operation.
• Direct OEM Replacement: Manufactured to meet or exceed original specifications for the 294000 series pumps, ensuring seamless installation.
• Fuel Efficiency: Precision-ground surfaces minimize internal leakage, maintaining consistent fuel pressure for improved engine performance and reduced emissions.
• Global Compatibility: Designed for a wide range of diesel fuel injection systems, making it a versatile solution for repair shops and distributors worldwide.

Technical Specifications

OEM Cross-Reference

This HP3 pump plunger is a direct replacement for the following OEM part numbers:

• Primary Numbers: 294090-0300, 294090-0530
• Compatible Pump Models: 294000-0030, 294000-0047, 294000-0059, 294000-0060, 294000-0102, 294000-0123, 294000-0163, 294000-0170, 294000-0200, 294000-0259, 294000-0265, 294000-0294, 294000-0340, 294000-0374

Please verify your pump model number before ordering to ensure correct fitment.

Compatibility

This plunger is designed for use in HP3 fuel injection pumps commonly found in modern diesel engines. It is compatible with the following applications:

• Engine Type: Diesel engines equipped with Bosch-style HP3 high-pressure common rail pumps
• Vehicle Application: Suitable for diesel passenger cars, light-duty trucks, and commercial vehicles
• Pump Series: Specifically designed for the 294000 series pump housings

Ideal for repair shops, fleet maintenance, and aftermarket parts distributors servicing international diesel engine markets.

Global Supply & Distribution

We are a leading supplier of diesel fuel injection components with extensive experience in international trade. Our logistics network supports:

• Worldwide Shipping: Reliable delivery to North America, Europe, Asia-Pacific, Middle East, Africa, and South America.
• Fast Delivery: Standard 3-7 day processing time with express shipping options available to major industrial hubs.
• Major Ports Served: Los Angeles, Rotterdam, Hamburg, Shanghai, Dubai, Singapore, and more.
• Trade Compliance: All products are exported in full compliance with international trade regulations, with complete documentation for customs clearance.

Quality Assurance

We are committed to providing high-performance replacement parts that meet rigorous international standards:

• Manufacturing Standards: Produced in ISO-certified facilities using precision CNC machining and heat treatment processes.
• Testing: Each plunger is 100% professionally tested for dimensional accuracy, surface finish, and pressure integrity.
• Warranty: Backed by a 6-month warranty against manufacturing defects.
• Packaging: Secure, customized packaging available to prevent damage during transit.

FAQ

Q: How do I verify that this plunger (294090-0300 / 294090-0530) fits my pump?
A: Please check the model number stamped on your pump housing. This plunger is specifically designed for the 294000 series pumps, including models like 294000-0030, 294000-0059, and others listed in the OEM cross-reference. If your pump model is not listed, provide your pump’s full part number for verification.

Q: What are the installation requirements for this HP3 plunger?
A: Installation should be performed by a qualified diesel technician. Ensure the pump housing and bore are thoroughly cleaned before installation. Use proper lubrication during assembly. Torque specifications must follow the pump manufacturer’s guidelines. Incorrect installation can lead to premature wear or pump failure.

Q: How can I maximize the service life of this fuel injection plunger?
A: Use high-quality diesel fuel with proper filtration to prevent contamination. Replace fuel filters regularly. Avoid running the engine with air in the fuel system. Ensure the pump is properly timed and calibrated after plunger replacement. Following these practices can significantly extend the life of the plunger and the entire injection system.