DB58 DH220-5 DH225-7 High Pressure Pipe for Doosan Engine Parts

Product Details

Product Overview

This is a premium quality high pressure pipe (fuel injection line) specifically designed for Doosan diesel engines. The part is a direct replacement component for engine models DB58, DH220-5, and DH225-7, which are commonly found in heavy construction and industrial equipment. Manufactured to OEM size specifications, this high-pressure pipe ensures precise fuel delivery to the injectors, maintaining optimal engine performance and combustion efficiency. As a critical component of the fuel injection system, this pipe withstands extreme internal pressures and is built from robust materials to ensure durability and long service life in demanding operating conditions.

Designed as a direct fit part, this high pressure pipe offers a reliable solution for maintaining or restoring the fuel system integrity of your Doosan-powered machinery. Whether you are servicing an excavator, loader, or other industrial equipment, this component is engineered to meet the original equipment specifications for pressure rating, flow characteristics, and dimensional accuracy.

Key Features & Benefits

• OEM Specification Fitment: Manufactured to exact OEM size and dimensional standards, ensuring a perfect, leak-free connection between the fuel injection pump and injector nozzles.
• High Pressure Tolerance: Engineered to withstand the extreme internal pressures generated by modern diesel fuel injection systems, preventing line rupture and ensuring consistent fuel delivery.
• Robust Material Construction: Made from high-strength steel alloy with precision-formed ends, providing excellent resistance to vibration, fatigue, and corrosion in harsh engine environments.
• Direct Replacement Design: A bolt-on component that requires no modifications for installation, reducing downtime and labor costs during engine servicing or rebuilds.
• Enhanced Engine Performance: Ensures proper fuel atomization and injection timing, contributing to improved power output, fuel efficiency, and reduced exhaust emissions.
• Comprehensive Quality Testing: Each pipe undergoes strict pressure testing and dimensional verification to guarantee reliability before shipment.

Technical Specifications

OEM Cross-Reference

This high pressure pipe is designed as a direct replacement component for the following OEM and reference numbers associated with Doosan DB58, DH220-5, and DH225-7 engine systems:

• Doosan / Daewoo: Compatible with standard high pressure pipe sets for DB58, DH220-5, and DH225-7 engines
• Reference Numbers: Exact OEM part numbers may vary by specific engine configuration and injector position. Please verify the length, end fitting type, and bend angle against your original part before purchase.

Note: If you have a specific OEM number from your original part, please contact us for cross-reference verification to ensure correct fitment.

Compatibility

This high pressure pipe is commonly used for the following engine models and equipment applications:

• Engine Models: Doosan DB58, DH220-5, DH225-7
• Equipment Applications: Excavators, Wheel Loaders, Forklifts, Bulldozers, Trucks, Buses, and other industrial machinery powered by these engine models
• System: Diesel fuel injection system (high pressure side between injection pump and injector)

Global Supply & Distribution

We offer worldwide shipping capabilities to serve international B2B buyers and industrial clients. Our major markets include North America, Europe, Asia-Pacific, the Middle East, South America, and Africa. We provide fast, reliable delivery to major ports and industrial centers globally, including Los Angeles, Rotterdam, Shanghai, Dubai, Singapore, and Hamburg.

With extensive export experience and compliance with international trade standards, we ensure your orders are processed efficiently with proper documentation for customs clearance. Bulk orders and regular supply contracts are welcomed for maintenance, repair, and operations (MRO) programs, equipment dealers, and fleet operators.

Quality Assurance

Each high pressure pipe is manufactured under strict quality control procedures to ensure consistent performance and reliability. Our quality assurance program includes:

• Manufacturing Standards: Production follows ISO-compliant processes for dimensional accuracy and material integrity
• Testing: Each unit undergoes hydraulic pressure testing to verify it can withstand operating pressures without leakage or deformation
• Inspection: Video outgoing inspection is provided upon request, allowing you to verify product condition before shipment
• Warranty: 6-month warranty against manufacturing defects, providing peace of mind for your purchase
• Certification: Machinery Test Report is provided with each order for traceability and quality documentation

FAQ

Q: How do I verify this high pressure pipe will fit my specific engine?
A: Please check the part number or OEM number on your original high pressure pipe. Measure the overall length, end fitting type (flare nut size and tube end shape), and the bend angle/profile. Compare these with the pipe you are replacing. If you provide a photo or the OEM number from your original part, our technical support team can assist with cross-verification.

Q: What is the recommended installation procedure for this high pressure pipe?
A: Installation should be performed by a qualified diesel technician. Ensure the engine is off and cool. Clean all connection points thoroughly. Hand-tighten the flare nuts first to ensure proper alignment without cross-threading, then torque to the manufacturer’s specification (typically 25-35 Nm for standard injection lines). Do not over-tighten, as this can deform the sealing seat. After installation, run the engine and check for leaks. Bleed the fuel system if necessary to remove air pockets.

Q: Can I replace just one high pressure pipe, or should I replace the entire set?
A: While a single pipe can be replaced if only one is damaged, it is generally recommended to replace all high pressure pipes on the same engine as a set, especially if the engine has high operating hours. This ensures uniform flow characteristics and prevents future failures from fatigued pipes. If replacing a single pipe, ensure the new pipe matches the exact length and routing of the original to maintain correct injection timing and pressure delivery to that cylinder.