Product Overview

This is a premium-quality DPA type fuel pump rotor head, specifically designed for diesel engine fuel injection systems. As a critical component of the injection pump, this rotor head ensures precise fuel metering and delivery for optimal engine performance. We supply this part globally, serving major B2B markets including North America, Europe, Southeast Asia, the Middle East, and Africa. With a low MOQ of just 6 pieces, we cater to both small workshops and large-scale distributors requiring consistent quality and reliable supply chains.

Key Features & Benefits

• Precision Engineering: Manufactured to exact OEM specifications (9050-399L) for a perfect fit and reliable function.
• High Durability: Constructed from hardened steel alloys to withstand high-pressure fuel injection cycles and resist wear.
• Optimal Performance: The 6/7R rotor design ensures smooth fuel flow and consistent pressure regulation, contributing to engine efficiency and reduced emissions.
• Direct Replacement: Designed as a direct swap for original DPA rotor heads, minimizing downtime during repairs.
• Rigorous Testing: Each unit undergoes quality checks to ensure leak-proof operation and dimensional accuracy.

Technical Specifications

OEM Cross-Reference

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

• Primary OEM: 9050-399L
• Rotor Reference: 511L
• Cross Reference: Compatible with standard DPA type 6/7R rotor heads used in various fuel injection pumps.

Compatibility

This rotor head is designed for use in diesel engine fuel injection pumps, specifically the DPA (Distributor Pump) type. It is commonly utilized in:

• Agricultural tractors and machinery
• Industrial diesel engines
• Construction equipment
• Marine diesel engines

Note: This is a universal engine component. Please verify your pump model and rotor specifications (6/7R) before ordering to ensure correct fitment.

Global Supply & Distribution

We offer efficient worldwide shipping to meet the demands of international B2B clients. Our distribution network ensures fast delivery to major ports and industrial hubs, including:

• North America: Los Angeles, Houston, Chicago, Toronto
• Europe: Rotterdam, Hamburg, Antwerp, Felixstowe
• Asia-Pacific: Singapore, Shanghai, Dubai, Sydney
• Middle East & Africa: Jebel Ali, Durban, Lagos

With extensive export experience and compliance with international trade regulations, we provide reliable logistics solutions for bulk and wholesale orders.

Quality Assurance

• Manufacturing Standards: Produced in ISO-certified facilities using advanced CNC machining and heat treatment processes.
• Testing: Each rotor head is inspected for dimensional accuracy, surface finish, and pressure integrity before shipment.
• Warranty: Backed by a 4-month warranty against manufacturing defects, ensuring peace of mind for your business.

FAQ

Q1: How do I know if this 9050-399L rotor head is compatible with my injection pump?
A: This rotor head is designed for DPA type pumps with a 6/7R rotor specification. Please check your existing pump’s model number and rotor code. If your current rotor is a 511L type and the pump uses a 6/7R configuration, this part is a direct replacement.

Q2: What is the installation procedure for this rotor head?
A: Installation should be performed by a qualified diesel technician. The process involves disassembling the injection pump head, removing the old rotor, cleaning the housing, and installing the new rotor with proper lubrication. It is critical to maintain absolute cleanliness to prevent fuel system contamination.

Q3: How can I maximize the service life of this fuel pump rotor?
A: Ensure the use of clean, high-quality diesel fuel and replace fuel filters regularly. Contaminated fuel is the primary cause of premature rotor wear. Additionally, avoid operating the engine with air in the fuel system, as this can cause cavitation damage to the rotor surface.