Product Overview

This high-quality Remanufactured HP4 Common Rail Injector Pump (Part Numbers: 294050-0501 / 294050-0500) is a direct replacement unit designed for S450 series diesel engines. As a core component of the fuel injection system, this pump ensures precise fuel delivery and optimal engine performance. We offer global shipping to major industrial markets including North America, Europe, the Middle East, Southeast Asia, and Oceania, providing reliable supply chain solutions for B2B buyers worldwide.

Key Features & Benefits

• Precision Remanufacturing: Restored to OEM specifications for reliable performance and longevity, offering a cost-effective alternative to new units.
• High-Pressure Common Rail Technology: Ensures consistent fuel atomization for improved combustion efficiency, reduced emissions, and enhanced engine power output.
• Durable Construction: Built with high-quality materials to withstand extreme operating pressures and temperatures found in modern diesel engines.
• Stringent Testing: Each pump undergoes rigorous pressure and flow testing to guarantee trouble-free installation and operation.
• 3-Month Warranty: Backed by a standard warranty for your peace of mind, ensuring product reliability.

Technical Specifications

OEM Cross-Reference

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

• OEM Number 1: 294050-0500
• OEM Number 2: 294050-0501

Note: Always verify your existing part number before purchase. This unit is designed to replace the original HP4 pump on S450 engines.

Compatibility

• Engine Model: S450 Series Diesel Engine
• Vehicle Application: Designed for use in heavy-duty diesel engines commonly found in industrial machinery, agricultural equipment, and specific truck applications utilizing the S450 engine platform.
• System: Common Rail Fuel Injection System (HP4 Type)

Global Supply & Distribution

• Worldwide Shipping: We ship to all major ports and industrial centers globally, including Los Angeles, Houston, Rotterdam, Hamburg, Shanghai, Dubai, and Singapore.
• Major Markets: North America (USA, Canada, Mexico), Europe (Germany, UK, Netherlands, France), Asia-Pacific (Australia, New Zealand, Japan, South Korea), Middle East (UAE, Saudi Arabia), and South America (Brazil, Chile).
• Logistics: Fast processing and reliable courier partners ensure your order reaches you on time. We handle export documentation and customs compliance.
• Inventory: Maintain steady stock levels to meet bulk B2B orders and urgent replacement needs.

Quality Assurance

• Manufacturing Standards: All units are remanufactured in ISO-certified facilities in Shandong, China, ensuring consistent quality control.
• Testing: Each HP4 pump is 100% tested for fuel pressure, flow rate, and internal leakage before shipment.
• Warranty: We offer a 3-month warranty against manufacturing defects. Professional service and technical support are available.
• Packaging: Packed securely in neutral or branded packaging to prevent damage during transit.

FAQ

Q1: How can I confirm that the 294050-0501 pump fits my engine?

A: This pump is specifically designed for the S450 diesel engine platform. Please check your engine model number and the existing part number on your pump. If your current pump has either 294050-0500 or 294050-0501 stamped on it, this unit is a direct replacement.

Q2: What are the critical installation steps for this HP4 common rail pump?

A: Installation requires meticulous cleanliness. Ensure the fuel system is free of contaminants. Always replace the fuel filter and high-pressure lines. Lubricate the pump with clean engine oil before starting. We strongly recommend professional installation by a qualified diesel technician to prevent damage to the pump or injection system.

Q3: What maintenance is required for this remanufactured fuel pump?

A: For optimal longevity, use high-quality diesel fuel and change your fuel filters according to the engine manufacturer’s schedule. Regularly check for fuel leaks around the pump connections. If you experience starting difficulties or power loss, have the fuel system pressure checked by a professional immediately.

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 .