Product Overview

This high-precision Common Rail Injector Control Valve (Part Numbers: 9308-621C, 9308621C, 9308z621c) is a critical component for modern diesel engine fuel injection systems. Designed for direct replacement and repair, this valve ensures optimal fuel metering and injection timing. We are a leading supplier based in Shandong, China, with extensive export experience to global markets including North America, Europe, Southeast Asia, the Middle East, and South America. Our supply chain is optimized for fast, reliable delivery to major ports and industrial centers worldwide.

Key Features & Benefits

• Precision Engineering: Manufactured to standard OEM specifications for a perfect fit and reliable performance.
• 100% Professional Tested: Each unit undergoes rigorous testing to ensure flawless operation under high-pressure common rail conditions.
• Durable Construction: High-quality materials provide excellent wear resistance and long service life in demanding engine environments.
• Direct Replacement: Designed for easy “plug-and-play” installation, minimizing vehicle downtime for repair shops and fleet operators.
• Cost-Effective Solution: Offers a reliable alternative to OEM parts without compromising on quality or performance.

Technical Specifications

OEM Cross-Reference

This control valve is a direct replacement for the following original equipment manufacturer (OEM) and cross-reference numbers:

• Primary Part Numbers: 9308-621C, 9308621C, 9308z621c
• Alternate OEM Numbers: 28239294, 28440421

Note: Please verify your existing part number against this list to ensure compatibility.

Compatibility

This injector control valve is specifically designed for use in diesel engine trucks and vehicles equipped with common rail fuel injection systems. It is commonly used in various heavy-duty and light-duty diesel applications. While the primary fitment is for standard diesel engines, please confirm compatibility with your specific engine model by cross-referencing the OEM numbers listed above.

Global Supply & Distribution

We are a global supplier dedicated to providing fast and efficient logistics solutions. Our distribution network covers:

• North America: Reliable shipping to the USA, Canada, and Mexico.
• Europe: Fast delivery to major ports like Rotterdam, Hamburg, and Antwerp.
• Asia-Pacific: Efficient supply to Japan, South Korea, Australia, and Southeast Asian markets.
• Middle East & Africa: Serving markets in the UAE, Saudi Arabia, South Africa, and more.
• South America: Export capabilities to Brazil, Argentina, and Chile.

We offer flexible shipping options including express courier (DHL, FedEx, UPS), air freight, and sea freight to meet your delivery deadlines.

Quality Assurance

• Manufacturing Standards: Produced in ISO-compliant facilities with strict quality control processes.
• Testing: Each valve is 100% professionally tested for flow rate, pressure response, and electrical continuity before shipment.
• Warranty: We stand behind our product with a 4-month warranty against manufacturing defects.
• Packaging: Securely packed in neutral packaging to ensure safe transit.

FAQ

Q1: What are the signs that this control valve needs replacement?

A: Common symptoms include engine misfiring, rough idling, poor fuel economy, black smoke from the exhaust, and the illumination of the check engine light. Diagnostic trouble codes (DTCs) related to injector circuit or fuel pressure regulation often point to a faulty control valve.

Q2: Is professional installation required for this part?

A: Yes, we strongly recommend installation by a qualified diesel mechanic. Replacing an injector control valve requires specialized tools to ensure proper torque and cleanliness. Contamination of the fuel system during installation can lead to immediate failure of the new part.

Q3: Can this valve be used on any common rail engine?

A: No. This valve is designed for specific injector models that use the OEM numbers 9308-621C, 28239294, or 28440421. It is critical to verify that your existing valve’s part number matches one of these numbers before purchasing to ensure correct fitment and function.

Our advantages

1.An authorized wholesaler of Isuzu genuine parts, Hino genuine parts, Mitsubishi genuine parts and Mahle parts.

2. We are not only supply genuine parts, but also high quality OEM parts, which are made in China or made in Japan.

3. More than 10 years of experience in machinery parts, professional supply of diesel engine parts.

4. Fast delivery, the fastest can be shipped in one day ,more than 500,000 of different types parts in stock.

5. Scientific ERP system, easy and fast to locate the parts that customer needs.

6. Professional technician checks the parts before delivery, to make sure the parts are correct, usable and defect-free.

Exhibition

Packing&Shipping

1.  Our shipment is by air/sea/express (DHL/FEDEX/TNT/UPS/EMS).

2.  Once we get confirmation of payment, we will ship products in 2 days.

3.  Our packaging is standard export wooden box or others as your requirement.

4. We’ll check and test the products before shipping , and givethe pictures to our customers to confirm.

FAQ

Q1. What is your company major products?

A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.

Q2.What is the MOQ?

A: Normally we can supply any quantity if we have in stock.

Q3. What is your payment term ?

A: We accept Western Union, T/T, Paypal.

Q4. What is the packing ?

A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.

Q5. When can you deliver products after payment ?

A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .

Q6. What can you do to complete order perfectly ?

A: In the beginning , We will communicate with clients in details to understand what they need .

Before packing , We will check the products and send photos to clients .After confirmation ,

We will packing products well to avoid damage . Once we get tracking number ,

We will send it to customer and keep contact in with clients .