Product Overview

This high-pressure fuel pump relief valve, also known as a limiting valve, is a critical component for diesel engine fuel injection systems. Designed to regulate and maintain optimal fuel pressure within the common rail system, this valve ensures engine performance, efficiency, and longevity. Sourced from a reliable manufacturer in Shandong, China, this product is available for global shipping, serving major markets including North America, Europe, Southeast Asia, the Middle East, and South America. Ideal for B2B buyers, parts distributors, and repair shops looking for a cost-effective, high-quality replacement solution.

Key Features & Benefits

• Precision Engineering: Manufactured to meet or exceed OEM specifications for a perfect fit and reliable function.
• High Durability: Constructed from premium materials to withstand high pressure and extreme temperatures, ensuring a long service life.
• Improved Engine Performance: Maintains stable fuel rail pressure, reducing engine knocking, improving fuel economy, and lowering emissions.
• Direct Replacement: Easy to install as a direct swap for the original part without modifications.
• Cost-Effective Solution: Offers a high-quality alternative to expensive OEM parts, providing excellent value for bulk purchases.

Technical Specifications

OEM Cross-Reference

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

• OEM Number 1: 1110010030
• OEM Number 2: 1110010033
• Cross Reference: F00R000644

Please verify your original part number before purchase to ensure compatibility.

Compatibility

This valve is designed for use in diesel engines with Common Rail Fuel Injection Systems. It is commonly found in various car and light truck engines. While it is a standard component for many diesel applications, we recommend checking the specific OEM number against your vehicle’s parts catalog for a guaranteed fit.

Global Supply & Distribution

We specialize in the global export of diesel engine parts. Our logistics network ensures fast and reliable delivery to major ports and industrial centers worldwide, including:

• North America: Los Angeles, Houston, New York, Toronto
• Europe: Rotterdam, Hamburg, Felixstowe
• Asia-Pacific: Shanghai, Singapore, Sydney, Dubai
• South America & Africa: Santos, Durban, Lagos

We offer flexible shipping options via DHL, TNT, UPS, EMS, and FEDEX, with a standard delivery time of 3-7 working days. We are experienced in international trade documentation and customs clearance.

Quality Assurance

• Manufacturing Standards: Produced in a certified facility using advanced CNC machining and assembly processes.
• Testing: Each valve is tested for pressure holding and leakage to ensure it meets performance standards.
• Warranty: We stand behind our product with a full 6-month warranty against manufacturing defects.
• Customer Service: Our 24-hour customer service team is available to assist with any inquiries or issues.

FAQ

Q: What are the signs that my fuel pump relief valve needs to be replaced?

A: Common symptoms include difficulty starting the engine, rough idling, a noticeable loss of engine power, poor fuel economy, and the presence of black smoke from the exhaust. These are often caused by the valve sticking open or closed, disrupting the fuel rail pressure.

Q: Is this valve a direct replacement, and do I need any special tools to install it?

A: Yes, this part is designed as a direct 1:1 replacement for the original valve. Installation typically requires basic hand tools like a socket set and torque wrench. It is a straightforward process for a qualified diesel mechanic, but we always recommend consulting your vehicle’s service manual for specific torque specifications.

Q: How does this relief valve differ from a pressure regulator?

A: While both manage fuel pressure, the relief valve acts as a safety and pressure-limiting device. It opens to release excess pressure back to the low-pressure side of the system to prevent damage. In contrast, a pressure regulator maintains a constant, controlled pressure for the injectors. This part specifically functions as a relief valve to protect the high-pressure pump and fuel rail from over-pressurization.