Product Overview

This is a high-quality, new common rail fuel injector, model numbers 0445120008 and 0986435502, designed for precision fuel delivery in modern diesel engines. Specifically engineered as a direct replacement for the GMC Sierra 2500 HD with the 6.6L Duramax diesel engine, this injector meets or exceeds OEM specifications. Sourced from a professional manufacturer in Shandong, China, this unit is a cost-effective solution for repair and replacement needs, ensuring reliable engine performance. We ship globally, serving major markets across North America, Europe, Asia-Pacific, and the Middle East with fast and secure logistics.

Key Features & Benefits

• OEM Standard Quality: Manufactured from high-grade steel with precise machining to ensure a perfect fit and long service life, matching the performance of the original Bosch injector.
• Enhanced Durability: Built to withstand the extreme pressures of common rail systems, reducing the risk of failure and extending maintenance intervals.
• Optimized Fuel Efficiency: Delivers precise fuel atomization for improved combustion, leading to better fuel economy and reduced emissions for your fleet or heavy-duty application.
• Direct Replacement: Designed as a universal fitment for the specified engine, this injector simplifies the repair process, saving valuable workshop time.
• Reliable Performance: Each unit is tested to ensure consistent injection pressure and flow rate, providing smooth engine operation and reliable starting.

Technical Specifications

OEM Cross-Reference

This injector is a direct replacement for the following OEM part numbers, ensuring compatibility with your existing system:

• Bosch OEM: 0445120008
• Bosch Alternative: 0986435502

Note: These numbers are cross-referenced for the 6.6L Duramax engine application.

Compatibility

This fuel injector is specifically designed for the following vehicle and engine configuration:

• Vehicle Model: GMC Sierra 2500 HD
• Engine: 6.6L Duramax Diesel (LB7, LLY, LBZ, LMM, LML variants – please verify your specific engine code)
• Application: Diesel Fuel Injection System (Common Rail)

Global Supply & Distribution

We are a dedicated supplier of diesel engine components with a robust global distribution network. We ensure reliable and timely delivery to industrial centers and ports worldwide.

• Worldwide Shipping: We export to all major continents, including North America, Europe, South America, Asia-Pacific, Africa, and the Middle East.
• Fast Delivery: Efficient logistics to major ports such as Los Angeles, Rotterdam, Shanghai, and Dubai, with express options available for urgent orders.
• Major Markets Served: Our components are trusted by workshops and distributors in the USA, Canada, Germany, Australia, and the UAE.
• Export Compliance: We adhere to international trade standards to ensure smooth customs clearance for our B2B partners.

Quality Assurance

• Manufacturing Standards: Produced in a facility that follows strict quality control processes to ensure dimensional accuracy and material integrity.
• Warranty: Backed by a 3-month warranty against manufacturing defects, providing peace of mind for your purchase.
• Testing: Each injector undergoes pressure and flow testing to verify performance before shipment, ensuring it meets the required specifications for your diesel engine.

FAQ

Q1: Is this injector a direct fit for my 2006 GMC Sierra 2500 HD with the 6.6L Duramax?
A: Yes, this injector (0445120008) is a direct OEM replacement for the 6.6L Duramax engine family, including the LLY variant found in 2004.5-2005 models and later LBZ/LMM models. We recommend verifying your engine code (e.g., LB7, LLY, LBZ) to ensure 100% compatibility, as internal injector calibrations can vary slightly between years.

Q2: What is the recommended installation procedure for this common rail injector?
A: Professional installation is highly recommended. Key steps include: 1) Disconnecting the battery and relieving fuel system pressure. 2) Carefully removing the old injector and cleaning the mounting bore. 3) Replacing the copper sealing washer and O-rings with new ones (sold separately). 4) Torquing the injector clamp to manufacturer specifications. 5) Priming the fuel system and checking for leaks. Failure to follow proper procedures can lead to performance issues or injector damage.

Q3: How can I maintain the performance of this injector?
A: To ensure a long service life, use high-quality diesel fuel and replace your fuel filter regularly (every 10,000-15,000 miles). Contaminated fuel is the primary cause of injector failure. If you experience rough idling, excessive smoke, or a drop in fuel economy, have the injector system diagnosed by a professional to prevent further engine damage.

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 .