Product Overview

This high-quality, new OEM 0445120231 common rail fuel injector is specifically engineered for Komatsu diesel engines used in heavy-duty excavators and construction machinery. Manufactured to strict OE specifications from premium stainless steel, this injector ensures precise fuel delivery, optimal combustion, and reliable engine performance. With a robust global supply chain, we ship this critical component to major industrial markets worldwide, including North America, Europe, Southeast Asia, the Middle East, and South America. Our extensive export experience guarantees fast, compliant delivery to ports and logistics hubs globally.

Key Features & Benefits

• Superior Durability: Constructed from high-grade stainless steel for exceptional resistance to corrosion and wear, extending service life in harsh operating conditions.
• Precision Engineering: Manufactured to match OEM tolerances, ensuring accurate fuel atomization and injection timing for maximum engine efficiency and reduced emissions.
• Direct Fit Replacement: Designed as a direct OE replacement for the 0445120231 part number, simplifying installation and minimizing downtime for repair shops and equipment owners.
• Reliable Performance: Rigorously tested for flow rate, pressure, and spray pattern consistency to guarantee reliable starting, smooth idling, and full power output.
• Cost-Effective Solution: Offers a high-quality, new alternative to expensive dealer parts, providing excellent value for B2B buyers without compromising on performance.

Technical Specifications

OEM Cross-Reference

This fuel injector is a direct replacement for the following OEM part numbers:

• OEM Number: 0445120231
• Model Number: 0445120231

Note: This injector is specifically designed to match the original equipment manufacturer specifications for Komatsu applications. Always verify your existing part number before ordering.

Compatibility

This injector is designed for use in Komatsu diesel engines commonly found in excavators and heavy construction equipment. While the part number is specific, it is typically used in engines where the OEM 0445120231 injector is specified.

• Brand: Komatsu
• Engine Type: Diesel
• Vehicle/Equipment: Excavators, Construction Machinery

For precise fitment, please cross-reference your engine model and existing injector part number with the 0445120231 specification.

Global Supply & Distribution

We specialize in the international distribution of heavy-duty diesel engine parts, offering reliable and efficient logistics to customers worldwide.

• Shipping Methods: DHL, UPS, FEDEX, EMS, TNT for express delivery.
• Delivery Time: 3-7 working days for in-stock items.
• Major Markets Served: North America, Europe, Asia-Pacific, Middle East, Africa, and South America.
• Ports & Hubs: Fast, compliant delivery to major industrial centers and ports including Los Angeles, Rotterdam, Dubai, Singapore, and Shanghai.
• Export Experience: Our team ensures all international trade documentation and shipping requirements are met for smooth customs clearance.

Quality Assurance

Every injector is manufactured in a facility that adheres to strict quality control standards. Our commitment to excellence ensures you receive a reliable product.

• Manufacturing Standards: Produced in ISO-certified facilities with advanced machining and assembly processes.
• Testing: Each injector undergoes rigorous testing for pressure, flow rate, and spray pattern to ensure it meets or exceeds OEM performance.
• Warranty: Backed by a 6-month warranty against manufacturing defects, providing peace of mind for your purchase.

FAQ

Q1: How can I confirm this injector fits my Komatsu engine?
A: Please verify your existing injector part number. If it matches 0445120231, this injector is a direct replacement. Additionally, check your engine model number and compare it with known applications for this part. We recommend consulting your equipment’s service manual or contacting our technical support with your machine’s serial number for confirmation.

Q2: What is the recommended installation procedure for this common rail injector?
A: Installation should be performed by a qualified diesel technician. Key steps include: cleaning the injector bore, replacing the copper washer and O-rings, applying proper torque to the hold-down clamp (refer to manufacturer specs), and connecting the fuel return line. After installation, it is critical to prime the fuel system and check for leaks before starting the engine. Always use new sealing components.

Q3: How can I maintain the performance and longevity of this injector?
A: Use high-quality diesel fuel and maintain your fuel filters according to the engine manufacturer’s schedule. Contaminated fuel is the primary cause of injector failure. Regular fuel system maintenance, including periodic inspection of injectors for spray pattern or leakage, will extend service life. If you experience hard starting, rough idle, or decreased power, have the injector tested professionally.

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 .