Product Overview

This high-performance Common Rail Diesel Fuel Pressure Relief Limiter Valve is an OEM-grade replacement component designed specifically for Denso fuel injection systems. Manufactured to the highest standards in our ISO-certified facility in Shandong, China, this valve ensures precise fuel pressure regulation and system protection for heavy-duty diesel engines. We serve a global network of B2B clients across North America, Europe, Asia-Pacific, the Middle East, and Africa, offering reliable shipping to major industrial hubs and ports worldwide.

Key Features & Benefits

• Precision Engineering: Manufactured to OEM specifications (095420-0201, 095420-0560, 095420-0140) for exact fit and function
• Enhanced Durability: Constructed from high-grade materials to withstand extreme fuel pressures and temperature variations
• System Protection: Prevents over-pressure damage to the common rail system, extending injector and pump lifespan
• Direct Replacement: Plug-and-play installation with no modifications required for compatible Denso systems
• 12-Month Warranty: Backed by comprehensive quality assurance and reliable after-sales support

Technical Specifications

OEM Cross-Reference

This pressure relief valve is a direct replacement for the following OEM part numbers:

• Denso: 095420-0201, 095420-0560, 095420-0140
• Isuzu / General Motors: 8-98032549-0

Note: Always verify compatibility with your specific engine model and ECU configuration before installation.

Compatibility

This valve is designed for Denso Common Rail fuel injection systems used in the following applications:

• Vehicle Makes: MAN Truck, Isuzu, Hino, and other heavy-duty diesel trucks
• Engine Types: Denso HP3 / HP4 common rail systems
• Fuel System: Suitable for diesel engines requiring pressure relief up to 2000+ bar

Global Supply & Distribution

We provide efficient worldwide logistics to meet the demands of international B2B buyers:

• Shipping Methods: Sea freight (FCL/LCL), air express (DHL, FedEx, UPS), rail, and land trucking
• Delivery Time: 3-35 days depending on destination and shipping method
• Major Markets Served: North America (USA, Canada, Mexico), Europe (Germany, UK, Netherlands, Poland), Middle East (UAE, Saudi Arabia), Asia-Pacific (Japan, Australia, South Korea), Africa (Nigeria, South Africa)
• Key Ports: Rotterdam, Hamburg, Shanghai, Dubai, Los Angeles, Singapore
• Export Experience: Over 5 years of international trade with customs documentation

Quality Assurance

• Manufacturing Standards: Produced in ISO 9001 certified facility under strict quality control
• Testing: 100% pressure and flow tested before shipment to ensure reliability
• Warranty: 12-month warranty against manufacturing defects
• Packaging: Secure neutral packaging with anti-corrosion protection; OEM branding available upon request

FAQ

Q1: How do I verify if this valve is compatible with my Denso common rail system?
A: Check your current valve for the OEM part number (look for 095420-0201, 095420-0560, or 095420-0140). This valve is specifically designed for Denso HP3/HP4 systems in MAN trucks and similar heavy-duty applications. If your engine uses a different system (e.g., Bosch CP1/CP3), this part will not fit.

Q2: What are the symptoms of a failing fuel pressure relief valve?
A: Common signs include engine hesitation under load, black smoke from exhaust, increased fuel consumption, fuel pressure warning lights, and in severe cases, engine stalling. A faulty valve can cause rail pressure fluctuations that damage injectors and pumps over time.

Q3: Is professional installation required for this valve?
A: While the valve is designed for direct replacement, we strongly recommend installation by a qualified diesel technician. The common rail system operates at extremely high pressures (up to 2,500 bar), and improper installation can lead to fuel leaks, system contamination, or personal injury. Always depressurize the fuel system before replacement.