Product Overview

This professional-grade Diesel Fuel Pressure Regulator Valve (OEM 369-6662 / 3696662) is a direct replacement part designed for Caterpillar C7, C9, and 3126 diesel engines. Manufactured to OE specifications, this component ensures precise fuel pressure regulation for optimal engine performance and fuel efficiency. We ship globally to major industrial markets including North America, Europe, Southeast Asia, the Middle East, and Australia, with fast processing times and reliable logistics partners.

Key Features & Benefits

• Precision Engineering: Constructed from high-speed steel for superior durability and resistance to wear in high-pressure fuel systems.
• 100% Professional Tested: Every unit undergoes rigorous testing to ensure flawless operation and reliable fuel pressure control.
• Direct OEM Replacement: Matches original Caterpillar specifications for a seamless fit on C7, C9, and 3126 engine platforms.
• Enhanced Engine Performance: Maintains correct fuel rail pressure, improving combustion efficiency and reducing emissions.
• Cost-Effective Solution: A high-quality aftermarket alternative to expensive dealer parts, backed by a 6-month warranty.

Technical Specifications

OEM Cross-Reference

This fuel pressure regulator valve is a direct cross-reference for the following OEM and aftermarket numbers:

• OEM Caterpillar: 369-6662, 3696662
• Alternative Reference: Compatible with fuel systems used on C7, C9, and 3126 engines. Always verify your specific engine serial number for exact fitment confirmation.

Compatibility

This part is designed for use on the following Caterpillar engine models and applications:

• Engine Models: Caterpillar C7, Caterpillar C9, Caterpillar 3126
• Vehicle Applications: Suitable for heavy-duty diesel trucks, buses, construction machinery (e.g., Caterpillar 815, 816 compactors), and industrial equipment utilizing these engine platforms.
• Year Range: Generally compatible with 2000-2010 model year engines. Please confirm compatibility with your specific engine serial number.

Global Supply & Distribution

As a leading supplier from Shandong, China, we specialize in the global distribution of diesel engine components. Our logistics network ensures fast and reliable delivery to:

• North America: Major ports including Los Angeles, Houston, and New York.
• Europe: Rotterdam, Hamburg, and Felixstowe.
• Asia-Pacific: Singapore, Busan, and Shanghai.
• Middle East & Africa: Dubai, Jeddah, and Durban.
• Oceania: Sydney and Melbourne.

We offer flexible shipping options (Express, Air, Sea) and can consolidate orders for bulk purchases. Our team handles all export documentation for smooth customs clearance.

Quality Assurance

• Manufacturing Standards: Produced in ISO-compliant facilities using high-quality materials and precision machining processes.
• Testing: Every valve is 100% professionally tested for pressure regulation accuracy and leak resistance before shipment.
• Warranty: Backed by a 6-month warranty against manufacturing defects. Our support team is available to assist with technical inquiries.

FAQ

Q: Will this fuel pressure regulator fit my Caterpillar C9 engine built in 2005?
A: Yes, this 369-6662 valve is a standard replacement for the Caterpillar C9 engine platform, including 2005 model year units. However, we recommend verifying your engine serial number against Caterpillar’s parts catalog to ensure it uses the standard pressure regulator design (non-HEUI system variants).

Q: What are the signs that my fuel pressure regulator needs replacement?
A: Common symptoms include hard starting, black smoke from the exhaust, poor fuel economy, erratic engine idle, and diagnostic trouble codes (DTCs) related to fuel pressure (e.g., P0087, P0088). If you experience these issues, testing the regulator’s pressure output with a gauge is recommended.

Q: Do I need any special tools or software to install this part?
A: Installation typically requires standard hand tools (wrenches, sockets) and a torque wrench to tighten to factory specifications. No specialized software is needed for the mechanical installation. However, after replacement, a professional diagnostic scan tool may be required to clear any stored fault codes and recalibrate the fuel system on some electronic control modules (ECMs).

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 .