Product Overview

This DN4SK1 SD Type Short Fuel Injector Nozzle is a premium-quality replacement component designed for a wide range of diesel engine applications. Manufactured to precise OEM specifications, this nozzle ensures reliable fuel atomization and combustion efficiency. We provide global shipping to major industrial markets, including North America, Europe, Southeast Asia, the Middle East, and Africa, with fast delivery to ports and inland distribution centers.

Key Features & Benefits

• Precision Engineering: Manufactured to exact OEM standards (DN4SK1) for consistent fuel injection performance.
• High-Quality Steel Construction: Durable steel material ensures long service life and resistance to wear in high-pressure fuel systems.
• Optimized Atomization: The SD type short nozzle design promotes efficient fuel spray patterns, improving combustion and reducing emissions.
• Universal Fitment: Suitable for a variety of diesel engine vehicles and machinery, providing a versatile replacement solution.
• Professional Service: Backed by a 4-month warranty and dedicated technical support for installation and maintenance inquiries.

Technical Specifications

OEM Cross-Reference

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

• DN4SK1 (Primary OEM Number)
• Compatible with various SD-type injector assemblies used in diesel engines.

Note: Always verify your existing part number before ordering. This part is designed as a direct replacement for DN4SK1 specifications.

Compatibility

• Engine Types: Diesel engines requiring short-type (SD) fuel injector nozzles.
• Vehicle Applications: Diesel engine cars, light trucks, and industrial machinery using the DN4SK1 nozzle standard.
• Year Ranges: Compatible with most current and older diesel engine models using this nozzle specification. Check your injector assembly for fitment confirmation.

Global Supply & Distribution

• Worldwide Shipping: We ship to all major global markets via reliable logistics partners (sea, air, and express).
• Major Markets Served: North America (USA, Canada, Mexico), Europe (Germany, UK, France, Italy), Asia-Pacific (Japan, Korea, Australia, India), Middle East (UAE, Saudi Arabia), Africa, and South America.
• Fast Delivery: Orders are processed within 24-48 hours. Delivery to major ports and industrial centers typically takes 5-15 days depending on the shipping method.
• Export Experience: We have extensive experience in international trade, handling customs documentation and compliance for smooth global transactions.

Quality Assurance

• Manufacturing Standards: Produced in ISO-compliant facilities in Shandong, China, using high-grade steel and precision machining.
• Testing: Each nozzle is tested for proper flow rate and spray pattern to ensure optimal engine performance.
• Warranty: We offer a 4-month warranty against manufacturing defects. Our professional service team is available to assist with any quality concerns.

FAQ

Q1: How do I confirm this DN4SK1 nozzle will fit my injector?
A: Please check the part number printed on your existing nozzle. If it matches “DN4SK1” and your injector uses a short-type (SD) nozzle design, it is a direct fit. For universal applications, we recommend comparing dimensions (length and tip design) with your original part.

Q2: What is the installation procedure for this nozzle?
A: Installation should be performed by a qualified diesel mechanic. General steps include: 1) Remove the injector from the engine. 2) Carefully disassemble the old nozzle. 3) Clean the injector body and seating area. 4) Install the new DN4SK1 nozzle with proper torque. 5) Reassemble and test for leaks. Always use new sealing washers or copper gaskets.

Q3: How can I ensure the longevity of this nozzle?
A: Use clean, high-quality diesel fuel and replace fuel filters regularly. Contaminants are the primary cause of nozzle wear. Additionally, avoid prolonged idling and ensure the engine’s injection pressure is within the manufacturer’s specifications. Regular inspection every 50,000 km or as recommended by your engine manual will help maintain performance.