Product Details
Product Overview
This is a premium quality Common Rail fuel injector nozzle, specifically designed for the Cummins QSB engine series (4.5L, 5.9L, and 6.7L). Manufactured under strict quality controls in Shandong, China, this nozzle (Part Number: DSLA128P1510) is a direct replacement for OEM numbers 0445120059 and 0433175510. It is a critical component for maintaining optimal fuel atomization and combustion efficiency in heavy-duty construction equipment. Our company serves a global B2B clientele, with major markets in North America, Europe, Southeast Asia, and the Middle East, ensuring reliable supply chains for workshops and dealerships worldwide.
Key Features & Benefits
- Precision Engineering: Manufactured from High-Speed Steel for exceptional wear resistance and longevity, ensuring consistent performance over extended service intervals.
- Superior Fuel Atomization: The DSLA design ensures fine fuel misting, leading to complete combustion, reduced fuel consumption, and lower emissions.
- 100% Professional Testing: Every nozzle undergoes rigorous flow rate, spray pattern, and pressure testing to guarantee OE-standard performance out of the box.
- Direct Fitment: Exact replacement for OEM nozzles, requiring no modifications for installation on compatible engines.
- Cost-Effective Solution: Offers a high-quality alternative to expensive OEM parts without compromising on durability or engine performance.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | DSLA128P1510 |
| OEM Number | 0445120059, 0433175510 |
| Type | Common Rail Injector Nozzle |
| Material | High Speed Steel |
| Application | Cummins QSB 4.5 / QSB 5.9 / QSB 6.7 |
| Engine Size | 4.5L, 5.9L, 6.7L |
| Quality | 100% Professional Tested |
| Warranty | 6 Months |
| Place of Origin | Shandong, China |
| Delivery Time | 3-7 Days |
| Supply Ability | 5000 Pieces / Month |
OEM Cross-Reference
This fuel nozzle is a direct replacement for the following OEM and reference numbers:
- 0445120059 (Bosch / Common Rail Injector)
- 0433175510 (Alternative Bosch Number)
- DSLA128P1510 (Bosch Specification Number)
Compatibility
This nozzle is specifically designed for the following engine and vehicle applications:
- Engines: Cummins QSB 4.5, QSB 5.9, QSB 6.7
- Excavators: Komatsu PC200-8
- Wheel Loaders: Hitachi ZW180
- Other Equipment: Hyundai HL770-7A
Note: Please verify your specific engine serial number and injector code to confirm compatibility before purchase.
Global Supply & Distribution
We maintain a robust supply chain capable of fulfilling large-volume B2B orders efficiently. Our logistics network supports:
- Worldwide Shipping: Fast delivery via DHL, FedEx, UPS, and sea freight to major industrial ports.
- Major Markets: North America (USA, Canada, Mexico), Europe (Germany, UK, Netherlands), Asia-Pacific (Australia, Japan, Singapore), and the Middle East (UAE, Saudi Arabia).
- Lead Times: Standard orders dispatched within 3-7 working days. Bulk orders can be coordinated for faster sea freight consolidation.
- Export Compliance: All parts are packed according to international export standards, ensuring safe transit and customs clearance.
Quality Assurance
- Manufacturing Standards: Produced in ISO-compliant facilities using precision CNC machining.
- Testing: Each nozzle is individually tested for flow rate, spray pattern, and leak pressure to meet or exceed OEM specifications.
- Warranty: Backed by a 6-month warranty against manufacturing defects, providing peace of mind for your inventory.
FAQ
Q1: Is this nozzle a direct replacement for the Bosch 0445120059 injector?
A: Yes, the DSLA128P1510 is the nozzle component used inside the 0445120059 injector. This part is a direct replacement for the nozzle only. If you are replacing the entire injector assembly, please ensure you need just the nozzle tip.
Q2: How can I confirm if this nozzle fits my Cummins QSB 5.9 engine?
A: Please check the existing injector number on your engine. If it is Bosch 0445120059 or 0433175510, this nozzle will fit. The application covers QSB 4.5, 5.9, and 6.7 models, but we recommend verifying the injector code on the injector body for absolute confirmation.
Q3: What is the recommended maintenance for these common rail nozzles?
A: Common rail systems are sensitive to fuel contamination. We recommend replacing fuel filters regularly and using high-quality fuel. When installing new nozzles, ensure the injector bore in the cylinder head is clean and that the nozzle tightening torque is applied correctly to avoid 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 .
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.
- Every submission is stored in WordPress and sent to your admin email.
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Quick Inquiry
Cummins QSB Injector Nozzle DSLA128P1510 0445120059 Common Rail Fuel Nozzle for Komatsu PC200-8
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Inquiry Desk
Send Inquiry
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.