Product Details
Product Overview
This high-quality Bosch-style common rail fuel injector, OE number 0445120343, is specifically engineered for the Weichai WD10 diesel engine series. As a critical component in modern diesel fuel systems, this injector ensures precise fuel delivery for optimal combustion efficiency. We supply this injector globally to markets including North America, Europe, Southeast Asia, the Middle East, and Africa, serving heavy equipment dealers, engine rebuilders, and parts distributors.
Key Features & Benefits
- OEM Direct Replacement: Manufactured to meet or exceed original Bosch specifications for a perfect fit and direct swap on the Weichai WD10 engine.
- Superior Fuel Atomization: Precision-machined nozzle ensures optimal spray pattern, leading to complete combustion, reduced fuel consumption, and lower emissions.
- Enhanced Durability: Built with hardened steel components and advanced sealing technology to withstand high injection pressures (up to 2000 bar) and extreme operating temperatures.
- Rigorous Testing: Every injector is 100% tested for flow rate, spray pattern, and pressure consistency before shipment to guarantee reliable performance.
- Reliable Starting: Ensures consistent cold-start performance and smooth engine idling, reducing downtime for your heavy machinery.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number (OE No.) | 0445120343 |
| Product Name | Common Rail Fuel Injector |
| Condition | New |
| Engine Type | Diesel |
| Engine Application | Weichai WD10 |
| Injector Type | Common Rail |
| Place of Origin | Shandong, China |
| Quality | Excellent |
| Warranty | 6 Months |
| MOQ | 2 Pcs |
| Single Package Size | 25 x 10 x 10 cm |
| Single Gross Weight | 1.000 kg |
OEM Cross-Reference
This injector is a direct replacement for the following OEM numbers:
- Bosch: 0445120343
- Weichai: 0445120343 (Direct Fit for WD10 Engine)
Note: Please verify your original injector number to ensure compatibility. This part is not a cross-reference for other Bosch injector series without verification.
Compatibility
- Engine Model: Weichai WD10 series (including WD10G, WD10T, and common variants used in construction and industrial equipment).
- Vehicle/Equipment Applications:
- Shantui Bulldozers
- XCMG Wheel Loaders
- Sinotruk HOWO Trucks (specific WD10 engine variants)
- Other heavy machinery utilizing the Weichai WD10 engine platform.
Global Supply & Distribution
We are an experienced exporter of diesel engine components, offering efficient logistics to meet your operational deadlines.
- Worldwide Shipping: We ship via DHL, UPS, FedEx, EMS, and TNT for fast, trackable delivery.
- Major Markets Served: North America (USA, Canada, Mexico), Europe (Germany, UK, France, Netherlands), Asia-Pacific (Australia, Indonesia, Vietnam, UAE), Middle East (Saudi Arabia, UAE, Qatar), and Africa (South Africa, Nigeria, Kenya).
- Quick Delivery: Orders are processed within 3-7 working days. We ensure fast delivery to major ports and industrial centers worldwide.
- Flexible Payment: We accept T/T, Western Union, PayPal, and Trade Assurance for secure transactions.
Quality Assurance
- Manufacturing Standards: Produced under strict quality control procedures in ISO-certified facilities in Shandong, China.
- Testing: Each injector undergoes 100% pressure and flow testing to ensure it meets OEM performance standards.
- Warranty: We provide a 6-month warranty against manufacturing defects. Please contact us for warranty claim procedures.
FAQ
Q: Is this injector a direct fit for my Weichai WD10 engine?
A: Yes, the 0445120343 injector is designed as a direct OEM replacement for the Weichai WD10 engine. However, we strongly recommend verifying your original injector part number to confirm compatibility, as different engine variants may use specific injector codes.
Q: What are the common symptoms of a failing injector on a WD10 engine?
A: Common signs include rough idling, excessive black smoke from the exhaust, decreased engine power, increased fuel consumption, and difficulty starting the engine. Replacing faulty injectors promptly can prevent damage to other fuel system components like the high-pressure pump.
Q: Do you provide installation instructions or technical support?
A: While we do not provide detailed installation manuals, we recommend that installation be performed by a qualified diesel mechanic familiar with common rail systems. We can offer basic technical support regarding part fitment and specifications. Please ensure the fuel system is clean and high-quality fuel filters are used to maximize injector lifespan.
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 .
FAQ
Common Product Inquiry Questions
How can I confirm this part matches my engine or injector model?
Send the OEM number, engine model, application, or clear product photos. We will help verify the suitable part before quotation.
Can I ask for packing, shipping, and delivery details together?
Yes. You can combine product confirmation, quantity, destination, packing request, and shipment method in one inquiry so the quotation is more complete.
Why is price not displayed on the page?
This catalog is built for B2B inquiry. Final pricing depends on the confirmed part number, quantity, stock situation, and shipping destination.
What information helps you quote faster?
Please include the OEM number, engine model, quantity, destination country, and any packing or shipping preference. This usually speeds up matching and quotation.
Inquiry Desk
Send Product Inquiry
Use this form to ask for fitment, MOQ, delivery time, packing, and shipping support for this product.
- Simple inquiry flow with direct sales follow-up.
- Send OEM number, quantity, or destination in the optional message if available.
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Quick Inquiry
Bosch 0445120343 Common Rail Fuel Injector for Weichai WD10 Diesel Engine
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Inquiry Desk
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Quick contact for this product. OEM number is attached automatically.
- Simple inquiry flow with direct sales follow-up.
- Send OEM number, quantity, or destination in the optional message if available.
- Every submission is stored in WordPress and sent to your admin email.