Product Overview

This remanufactured High Pressure HP4 Fuel Injection Pump (Part Number: 294050-0660) is a direct replacement for OEM RE571640, engineered specifically for heavy-duty diesel engines. Sourced from our state-of-the-art facility in Shandong, China, this pump is designed to restore and optimize engine fuel delivery, ensuring peak performance and fuel efficiency. We serve a global clientele, with major markets in North America, Europe, Southeast Asia, the Middle East, and South America, providing reliable logistics and fast shipping to major ports and industrial hubs worldwide.

Key Features & Benefits

• High-Precision Engineering: Manufactured to strict OEM tolerances for seamless fitment and reliable fuel metering.
• Superior Durability: Built with high-grade materials to withstand extreme pressures and temperatures found in modern diesel engines.
• Enhanced Performance: Restores lost horsepower, improves throttle response, and reduces fuel consumption.
• Rigorous Testing: Every unit is pressure-tested and calibrated to ensure consistent injection timing and volume before shipping.
• Cost-Effective Solution: Remanufactured to “like-new” standards, offering significant savings compared to a new OEM unit without compromising quality.

Technical Specifications

OEM Cross-Reference

This pump is a direct cross-reference for the following OEM numbers:

• OEM RE571640 (Primary Replacement)
• 294050-0660 (Original Equipment Number)
• 294050-00660 (Alternate Numbering System)

Compatibility

This HP4 fuel injection pump is designed for use in:

• Engine Model: Isuzu/Hitachi S450 Series
• Vehicle Application: Heavy-duty diesel engines used in excavators, loaders, and commercial trucks.

Note: Always verify your engine model and existing pump part number before purchasing to ensure compatibility.

Global Supply & Distribution

We are a dedicated exporter of diesel engine components, offering efficient worldwide shipping to support your business operations. Our logistics network ensures fast delivery to major ports including:

• North America: Los Angeles, Houston, New York, Vancouver
• Europe: Rotterdam, Hamburg, Felixstowe, Antwerp
• Asia-Pacific: Singapore, Shanghai, Busan, Sydney
• Middle East & Africa: Dubai, Jebel Ali, Durban

We handle international trade compliance and documentation to ensure a smooth customs clearance process for our B2B partners.

Quality Assurance

• Remanufacturing Standards: Our process follows strict ISO-compliant procedures for disassembly, cleaning, inspection, and reassembly.
• Testing: Each pump undergoes a full functional test on a calibrated test bench to verify pressure, flow rate, and timing accuracy.
• Warranty: We provide a 3-month warranty against manufacturing defects, covering parts and labor for replacement.

FAQ

Q1: Is this pump a direct bolt-on replacement for my engine?
A1: Yes, this is a direct replacement for the OEM RE571640 / 294050-0660 pump. It is designed to fit the S450 engine series without modifications. However, we strongly recommend checking your current pump’s part number and engine model to confirm fitment before purchase.

Q2: What does “Remanufactured” mean for this fuel pump?
A2: Our remanufacturing process involves completely disassembling the core, cleaning all components, replacing worn parts (such as seals, bearings, and plungers), and reassembling it to meet original OEM specifications. The pump is then rigorously tested to ensure it performs like a new unit, offering a reliable and cost-effective solution.

Q3: What maintenance is required after installation?
A3: We recommend using clean, high-quality diesel fuel and replacing the fuel filter at the time of pump installation. It is also crucial to bleed the fuel system of air before starting the engine. For optimal longevity, follow the engine manufacturer’s recommended service intervals for fuel system components.