Product Overview

This premium Diesel Fuel Injection Common Rail Injector, identified by part numbers 0445120367 and 5283840, is a direct, high-performance replacement for the Weichai WP10 engine series. Manufactured to strict OE specifications, this injector ensures precise fuel delivery, optimal combustion efficiency, and reduced emissions. We serve a global network of B2B clients, including heavy equipment dealers, fleet operators, and engine rebuilders across North America, Europe, Asia-Pacific, the Middle East, and Africa, providing reliable components for the most demanding industrial applications.

Key Features & Benefits

• Precision Engineering: Delivers exact fuel metering for the Weichai WP10 common rail system, maximizing engine power and fuel economy.
• Durable Construction: Manufactured from high-grade steel to withstand extreme pressure and temperature cycles within the combustion chamber.
• Direct Fitment: Designed as a drop-in replacement for OEM units, minimizing installation time and reducing downtime for your fleet.
• Enhanced Performance: Restores original engine performance, reducing smoke and improving throttle response in heavy-duty trucks and machinery.
• Rigorous Testing: Each unit is pressure and spray pattern tested to ensure consistent operation and long service life.

Technical Specifications

OEM Cross-Reference

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

• Primary Numbers: 0445120367, 5283840
• Cross-Reference: 0445120008

Compatibility

• Engine Model: Weichai WP10
• Application: Heavy-duty diesel engines used in trucks, construction equipment (loaders, bulldozers), and industrial machinery.
• System Type: Common Rail Direct Injection

Global Supply & Distribution

• Worldwide Shipping: We offer reliable logistics to major ports and industrial centers globally, including Rotterdam, Los Angeles, Shanghai, Dubai, and Singapore.
• Major Markets Served: North America, Europe, South America, Asia-Pacific, Middle East, and Africa.
• Fast Delivery: Stock items are dispatched within 24-48 hours, with express shipping options available for urgent requirements.
• Export Expertise: Our team has extensive experience in international trade, ensuring smooth customs clearance and compliance with local regulations.

Quality Assurance

• Manufacturing Standards: Produced in ISO 9001 certified facilities, adhering to strict quality control processes.
• Testing: Every injector undergoes comprehensive testing for flow rate, spray pattern, and pressure integrity before shipment.
• Warranty: Backed by a 4-month warranty against manufacturing defects, ensuring your investment is protected.

FAQ

Q: Is this injector a direct fit for my Weichai WP10 engine, or do modifications need to be made?
A: Yes, this injector (0445120367) is designed as a direct, bolt-in replacement for the Weichai WP10 common rail system. No modifications to the fuel rail, wiring harness, or ECU are required for installation.

Q: What is the recommended installation procedure for this injector?
A: We recommend following the Weichai service manual. Key steps include: 1) Depressurizing the fuel system. 2) Carefully removing the old injector and cleaning the mounting bore. 3) Replacing the copper sealing washer. 4) Torquing the new injector to the manufacturer’s specifications (typically 70-80 Nm). 5) Priming the system and checking for leaks.

Q: How can I ensure the long-term performance of this common rail injector?
A: Longevity depends on fuel quality and system cleanliness. Always use high-quality diesel fuel and replace the fuel filter regularly. We also recommend using a fuel additive to lubricate the injector components. If you experience starting issues or rough idling, have the injector tested by a professional to confirm it is not clogged or worn.