Product Overview

This high-quality Fuel Injection Pump Head Rotor (7123-340M) from the reputable WX Brand is a critical component for diesel fuel injection systems. Designed for precision replacement and repair, this unit includes the Rotor (344M), Sleeve (343), and Barrel (342A), making it a complete solution for maintaining optimal engine performance. Sourced from a leading manufacturing hub in Shandong, China, we supply this part globally to markets in North America, Europe, Asia-Pacific, the Middle East, and Africa, ensuring fast and reliable delivery to major industrial centers and ports.

Key Features & Benefits

• Precision Engineering: Manufactured to exacting OEM specifications (7123-340M / 7123-340L) for a perfect fit and reliable operation.
• Enhanced Durability: Constructed from high-grade materials to withstand the high pressures and demanding conditions of modern diesel fuel injection systems.
• Complete Kit: Includes the Head Rotor, Rotor 344M, Sleeve 343, and Barrel 342A, simplifying the replacement process and ensuring component compatibility.
• Restored Performance: Directly addresses issues like hard starting, poor fuel economy, and reduced power output by restoring precise fuel metering and pressure.
• Rigorous Testing: Every unit undergoes strict quality control checks to guarantee performance and longevity.

Technical Specifications

OEM Cross-Reference

This Head Rotor is a direct replacement for the following OEM part numbers. Please verify your existing part number for compatibility.

• Primary OE: 7123-340M
• Alternative OE: 7123-340L
• Associated Components: Rotor 344M, Sleeve 343, Barrel 342A

Compatibility

This fuel injection pump head rotor is designed for use in diesel engines with 4.0L and 7.5L displacement, commonly found in heavy-duty commercial vehicles, agricultural machinery, and industrial equipment. It is a standard part for many inline and distributor-type fuel injection pumps. Please confirm fitment with your engine model and pump type before purchasing.

Global Supply & Distribution

• Worldwide Shipping: We offer fast and reliable shipping via EMS, DHL, FEDEX, TNT, and UPS to any location globally.
• Major Markets: Our products are regularly exported to North America (USA, Canada, Mexico), Europe (Germany, UK, France, Italy), Asia-Pacific (Japan, South Korea, Australia), the Middle East (UAE, Saudi Arabia), and Africa.
• Fast Delivery: Standard delivery time is 3-7 working days after order confirmation. We maintain stock to ensure rapid dispatch to major ports and industrial centers.
• Trade Compliance: We have extensive export experience and comply with all international trade regulations for smooth customs clearance.

Quality Assurance

• Manufacturing Standards: Produced in a certified facility that adheres to strict quality management processes.
• Warranty: We stand behind our product with a standard 3-6 month warranty against manufacturing defects.
• Testing: Each head rotor assembly is tested for hydraulic pressure, dimensional accuracy, and material integrity before shipment to ensure it meets OEM performance standards.

FAQ

Q1: Is this a complete kit? What is included in the package?
A: Yes, this listing includes the main Head Rotor (7123-340M) along with the Rotor (344M), Sleeve (343), and Barrel (342A). This provides the core components needed for a comprehensive repair of the pump’s hydraulic head.

Q2: How can I confirm this part fits my specific engine or fuel pump?
A: Please verify the part number on your existing head rotor. The primary cross-reference numbers are 7123-340M and 7123-340L. This assembly is typically used in 4.0L and 7.5L diesel engines. If you are unsure, please contact our 24-hour customer service with your engine model and pump serial number for confirmation.

Q3: What is the recommended procedure for installing this head rotor?
A: Installation of a fuel injection pump head rotor is a precision task that should be performed by a qualified diesel technician. It requires specialized tools to ensure correct timing and torque. We recommend cleaning the pump housing thoroughly, lubricating all parts with clean diesel fuel during assembly, and performing a bench test after installation to verify pressure and delivery.