Product Overview

This high-quality DPA head rotor, model 7123-340J, is a precision-engineered component designed for the fuel injection systems of diesel engines. Manufactured to exacting standards, this rotor head ensures reliable fuel metering and distribution, making it an ideal replacement part for repair and maintenance. We serve a global network of B2B clients, with regular shipments to major markets including North America, Europe, Southeast Asia, the Middle East, and South America. Our inventory supports both wholesale orders and urgent supply needs for industrial and automotive workshops worldwide.

Key Features & Benefits

• Precision Engineering: Manufactured from high-speed steel for superior wear resistance and long operational life.
• 100% Professional Testing: Every unit undergoes rigorous testing to guarantee flawless performance in fuel injection systems.
• Direct Replacement: Designed for a perfect fit and seamless function, minimizing downtime during repairs.
• Enhanced Durability: Built to withstand high pressures and harsh operating conditions common in diesel engines.
• Cost-Effective Solution: Offers reliable performance at a competitive price point, ideal for aftermarket replacements.

Technical Specifications

OEM Cross-Reference

This DPA head rotor is a direct replacement for the following OEM and reference numbers:

• Primary OE Number: 7123-340J
• Alternate Reference: 7180-728L
• System Type: DPA (Distributor Pump) Rotary Injection Pump

Compatibility

This head rotor is designed for use in DPA-type fuel injection pumps commonly found in a wide range of diesel engines. Typical applications include:

• Engine Types: Diesel engines equipped with DPA rotary injection pumps.
• Vehicle Applications: Agricultural tractors, construction machinery, industrial equipment, and light commercial vehicles.
• Car Make/Model: Fits various diesel car models utilizing DPA pump technology.

Note: Please verify your pump model and OE number (7123-340J) to ensure compatibility before purchase.

Global Supply & Distribution

We are a dedicated supplier of diesel engine components with a robust international logistics network. Our capabilities include:

• Worldwide Shipping: Reliable delivery to all major continents including North America, Europe, Asia, Africa, and Oceania.
• Fast Logistics: Efficient shipping via sea, air, and express courier to major ports (e.g., Rotterdam, Los Angeles, Shanghai, Hamburg) and industrial hubs.
• Export Experience: Proven track record in managing international B2B transactions, customs clearance, and trade documentation.
• Stock Availability: Maintains consistent inventory to meet both small MOQs (6 pcs) and large wholesale orders.

Quality Assurance

Our commitment to quality ensures that every component meets the highest standards of the aftermarket industry.

• Manufacturing Standard: Produced in ISO-certified facilities (Shandong, China) with strict process controls.
• Testing: 100% professional testing for dimensional accuracy, material integrity, and hydraulic performance.
• Warranty: Backed by a 4-month warranty against manufacturing defects, ensuring peace of mind for your business.

FAQ

Q1: Is the 7123-340J head rotor a direct replacement for my existing DPA pump part?
A1: Yes, this part (OE 7123-340J) is designed as a direct replacement for the original head rotor in DPA-type fuel injection pumps. We recommend verifying the OE number on your current part to confirm exact fitment before ordering.

Q2: What is the recommended procedure for installing this rotor head?
A2: Installation should be performed by a qualified diesel technician. The rotor head is a precision component; ensure the pump housing is clean and free of debris. Lubricate the part with clean diesel fuel or assembly oil during installation. Torque specifications should be followed according to the pump manufacturer’s service manual to prevent damage.

Q3: How can I maximize the service life of this DPA head rotor?
A3: Longevity depends on fuel quality and system maintenance. Always use clean, high-quality diesel fuel and replace fuel filters regularly. Ensure the fuel system is free of water and contaminants. Adhering to a regular maintenance schedule for the injection pump will significantly extend the life of the head rotor and other internal components.