Product Overview

This is a high-precision Common Rail Injector Orifice Control Valve Plate, specifically designed for Denso fuel injection systems. Manufactured from premium high-speed steel, these orifice plates (available in models 501#, 504#, 505#, 507#, and 509#) are critical components for restoring injector performance and fuel atomization. We serve a global B2B clientele, with established shipping routes to major industrial markets including North America, Europe, Southeast Asia, the Middle East, and Africa.

Key Features & Benefits

• Precision Engineering: Manufactured to exacting tolerances for optimal fuel metering and spray pattern.
• Superior Material: Constructed from high-speed steel for exceptional wear resistance and longevity under high-pressure conditions.
• 100% Tested Quality: Every plate undergoes rigorous professional testing to ensure flawless performance and leak-proof operation.
• Direct Replacement: Designed as a direct OE replacement part, ensuring a perfect fit and easy installation.
• Restored Engine Efficiency: Replacing worn orifice plates helps restore proper fuel atomization, leading to improved combustion, reduced emissions, and better fuel economy.

Technical Specifications

OEM Cross-Reference

These orifice plates are direct replacements for Denso common rail injectors requiring service. The specific model numbers are:

• 501# Orifice Plate
• 504# Orifice Plate
• 505# Orifice Plate
• 507# Orifice Plate
• 509# Orifice Plate

Please verify your injector’s existing orifice plate model number before ordering to ensure correct fitment.

Compatibility

This part is designed for use in Denso common rail fuel injection systems found in a wide range of diesel engines. Typical applications include:

• Vehicle Applications: Diesel truck and car engines.
• Engine Types: Suitable for various Denso injector models requiring these specific orifice plate sizes.

Note: While this is a generic high-quality replacement part, we recommend consulting your vehicle or injector service manual for exact specifications.

Global Supply & Distribution

We are a dedicated B2B supplier with extensive experience in international trade. Our logistics network enables fast and reliable delivery worldwide.

• Shipping Methods: Express (DHL, FedEx, UPS), Air Freight, Sea Freight, and Land Transportation.
• Major Markets: North America, Europe, Southeast Asia, Middle East, Africa, and South America.
• Delivery Time: Shipment within 3 working days for in-stock items.
• Trade Compliance: We adhere to international export standards and offer flexible payment terms (T/T, Western Union, PayPal, Credit Card).

Quality Assurance

• Manufacturing: Produced in a controlled environment using precision machining processes.
• Testing: Each part undergoes a 100% professional inspection to guarantee dimensional accuracy and functionality.
• Warranty: All parts are backed by a 6-month warranty against manufacturing defects.

FAQ

1. How do I identify which orifice plate (501#, 504#, etc.) my injector needs?
You must visually inspect the existing orifice plate inside your Denso injector. The model number (e.g., 501#) is typically stamped or laser-etched onto the plate itself. If the plate is damaged or unreadable, consult your injector service manual or a qualified diesel technician for identification based on your engine code and injector model.

2. What is the correct installation procedure for this part?
Installation requires specialized tools and a clean environment. The orifice plate is a precision component. The area around the injector must be scrupulously clean to prevent debris from entering the fuel system. The new plate should be carefully aligned and seated. We strongly recommend that installation be performed by a trained diesel technician following the manufacturer’s service procedures to ensure proper sealing and injector calibration.

3. What are the benefits of replacing a worn orifice control valve plate?
A worn or damaged orifice plate can cause poor fuel atomization, leading to hard starting, rough idling, excessive smoke, loss of power, and increased fuel consumption. Replacing this critical component restores the precise fuel spray pattern, which improves combustion efficiency, reduces emissions, and can revitalize overall engine performance and drivability.