
Product Overview
This is a genuine Zexel diesel injector nozzle, part number DLLA156SM058 / 105025-0580, engineered for the 6HH1 engine platform. As a leading global supplier of precision engine components, we provide reliable parts to major markets worldwide, including North America, Europe, the Asia-Pacific region, and the Middle East. This nozzle is a critical fuel system component designed for optimal atomization and combustion efficiency.
Key Features & Benefits
- Genuine Quality: Manufactured to original Zexel specifications, ensuring perfect fitment and performance.
- Precision Engineering: Produced with high-tolerance machining for consistent fuel spray pattern and droplet size.
- Durable Construction: Made from high-grade metal alloys to withstand high-pressure diesel injection cycles and resist wear.
- Enhanced Engine Performance: Promotes complete fuel combustion, leading to optimal power output, fuel economy, and reduced emissions.
- Reliable Supply: Sourced directly from trusted channels, guaranteeing authenticity and availability for your fleet or repair business.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 105025-0580 |
| Model / OE NO. | DLLA156SM058 |
| Fuel Type | Diesel |
| Condition | Genuine |
| Material | Metal |
| Engine Code | 6HH1 |
| Car Model | Isuzu NPR |
| Place of Origin | Japan |
| Warranty | 6 Months |
| Package Size | 8 x 8 x 5 cm |
| Gross Weight | 0.700 kg |
OEM Cross-Reference
This genuine Zexel part is the direct replacement for the following OEM numbers:
- Zexel: DLLA156SM058, 105025-0580
Always verify part numbers against your engine’s service manual or existing component for absolute compatibility.
Compatibility
This injector nozzle is designed for specific Isuzu diesel engines. Primary application includes:
- Engine Model: Isuzu 6HH1
- Vehicle Application: Isuzu NPR trucks and compatible industrial equipment utilizing the 6HH1 power plant.
Note: While the engine code is the primary identifier, we recommend confirming the vehicle’s VIN or consulting with a technical specialist to ensure correct application for your specific model year and configuration.
Global Supply & Distribution
We specialize in the international export of high-demand automotive components. Our logistics network ensures efficient delivery to key industrial hubs and ports across the globe.
- Worldwide Shipping: We ship to North America (USA, Canada, Mexico), South America, Europe (EU and non-EU), Asia-Pacific (Australia, Singapore, Japan), the Middle East, and Africa.
- Fast Delivery: Consolidated shipments and established freight partnerships enable timely delivery to major ports and inland distribution centers.
- Export Expertise: All documentation, including commercial invoices, packing lists, and certificates, is prepared in full compliance with international trade regulations for smooth customs clearance.
Quality Assurance
We stand behind the quality and performance of every part we supply.
- Authenticity Guarantee: This is a genuine Zexel component, not an aftermarket imitation.
- Comprehensive Warranty: Backed by a 6-month warranty against manufacturing defects.
- Technical Support: Post-warranty assistance is available, including video technical support for installation guidance.
- Rigorous Inspection: Each part undergoes visual and dimensional checks to ensure it meets original performance specifications before dispatch.
FAQ
Q: How can I confirm this nozzle is the correct part for my Isuzu 6HH1 engine?
A: The most reliable method is to cross-reference the part number stamped on your existing injector nozzle. Match it with our listed OE number DLLA156SM058 or part number 105025-0580. You can also provide your engine’s serial number or vehicle VIN for our technical team to verify.
Q: What are the signs that my diesel injector nozzles need replacement?
A: Common symptoms include hard starting, rough idle, excessive black or white smoke from the exhaust, loss of engine power, poor fuel economy, and a noticeable knocking or misfiring sound from the engine. These indicate poor fuel atomization due to worn nozzle tips.
Q: Is professional installation required for this injector nozzle?
A> Yes. Diesel injector nozzle replacement and calibration is a precision task. It requires specialized tools for removal, installation, and setting the injection pressure. Incorrect installation can lead to severe engine damage, poor performance, and voided warranty. We recommend installation by a qualified diesel technician.
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 .