Product Overview

This high-precision Fuel Injection DPA Head Rotor is a critical component designed for the repair and replacement of diesel engine fuel injection pumps. Manufactured to meet stringent OEM specifications, this rotor assembly ensures reliable fuel delivery and optimal engine performance. Our factory-direct supply chain allows us to offer competitive pricing without compromising on quality, serving a global network of distributors, workshops, and heavy equipment fleets. We ship extensively to markets in North America, Europe, Southeast Asia, the Middle East, and Africa, ensuring fast and reliable logistics to major ports and industrial hubs.

Key Features & Benefits

• Precision Engineering: Machined to exacting tolerances for a perfect fit and optimal hydraulic performance within the DPA pump housing.
• Durable Construction: Manufactured from high-grade, wear-resistant materials to withstand the high pressures and demanding conditions of diesel injection systems.
• Reliable Fuel Delivery: Ensures consistent fuel metering and distribution, leading to smooth engine operation, reduced emissions, and improved fuel efficiency.
• Cost-Effective Solution: A factory-direct, high-quality alternative to OEM parts, offering significant savings for repair and maintenance operations.
• Direct Replacement: Designed as a direct drop-in replacement for the specified OEM numbers, simplifying the repair process and reducing downtime.

Technical Specifications

OEM Cross-Reference

This DPA head rotor is a direct replacement for the following original equipment manufacturer (OEM) part numbers:

• 7139-130T
• 7180-765T

Please verify your existing part number before purchasing to ensure compatibility.

Compatibility

This component is designed for use in diesel engine fuel injection systems that utilize a DPA (Distributor Pump A-Type) head rotor assembly. It is commonly used in various agricultural, industrial, and automotive diesel engines, particularly those found in tractors, excavators, and trucks. The “4/9L” specification indicates compatibility with specific pump delivery volumes. Always confirm the rotor number (344T) and pump model match your application.

Global Supply & Distribution

We are a dedicated supplier of diesel engine components with a robust global distribution network. Our logistics partners include EMS, DHL, FEDEX, TNT, and UPS, enabling us to offer fast and reliable shipping worldwide.

• North America: Fast delivery to major ports and industrial centers.
• Europe: Efficient distribution to all EU member states and the UK.
• Asia-Pacific: Rapid shipping to key markets in Southeast Asia, Australia, and New Zealand.
• Middle East & Africa: Reliable service to major hubs and developing industrial zones.
• South America: Competitive shipping options to key ports and logistics centers.

We have extensive experience in international trade, ensuring all documentation and customs procedures are handled professionally for a smooth transaction.

Quality Assurance

• Manufacturing Standards: Produced in a facility that adheres to strict quality control processes throughout the manufacturing cycle.
• Testing: Each rotor is inspected for dimensional accuracy, surface finish, and material integrity to ensure it meets performance standards.
• Warranty: This product is backed by a 5-month warranty against manufacturing defects in materials and workmanship.

FAQ

Q: How do I confirm this DPA head rotor fits my fuel pump?
A: You must verify the part numbers on your original rotor. The primary identifiers are the OEM numbers (7139-130T or 7180-765T) and the rotor number (344T). The “4/9L” specification is also critical for matching the pump’s hydraulic characteristics. If you are unsure, please contact us with your pump’s model number and current part details for confirmation.

Q: What is the typical installation process for a DPA head rotor?
A: Replacing a DPA head rotor is a precision task that should be performed by a qualified diesel injection technician. The process involves disassembling the pump head, removing the old rotor and associated components, thoroughly cleaning the housing, and installing the new rotor with the correct timing and torque specifications. Special tools are often required to ensure proper alignment and preload.

Q: What is the main purpose of the “4/9L” specification?
A: The “4/9L” specification refers to the pump’s plunger diameter and stroke characteristics, which determine the volume of fuel delivered per cycle. Using a rotor with the correct “4/9L” specification is essential for the pump to deliver the right amount of fuel for the engine’s power and emission requirements. An incorrect specification can lead to poor performance, smoke, or engine damage.