Product Overview

This is a premium S-Type diesel injector nozzle, part number DLLA145S770, engineered for high-performance and durability in demanding excavator and heavy-duty diesel engine applications. Manufactured to exacting OEM standards in Shandong, China, this nozzle is supplied globally to major markets including North America, Europe, the Asia-Pacific region, and the Middle East, ensuring reliable performance for international B2B buyers and distributors.

Key Features & Benefits

• Precision Engineering: Manufactured from high-speed steel for superior wear resistance and long service life under extreme pressure.
• Optimal Fuel Atomization: The S-Type design ensures a precise spray pattern for efficient combustion, improved engine power, and reduced emissions.
• Direct OEM Replacement: 100% brand-new part designed as a direct fit replacement for the original component, guaranteeing perfect fitment and performance.
• Certified Quality: Produced under ISO 9001:2000 and TS16949 quality management systems, ensuring consistency and reliability in every unit.
• Global Logistics Ready: Packaged for secure international shipping via major carriers (DHL, UPS, FEDEX, EMS, TNT) with fast delivery to key industrial hubs and ports worldwide.

Technical Specifications

OEM Cross-Reference

This high-quality injector nozzle is a direct replacement for the following OEM and aftermarket part numbers:

• DLLA145S770 (Primary Model)
• 0433271375
• 145S770
• S770

Note: Always verify cross-reference compatibility with your specific engine model before purchase.

Compatibility

The DLLA145S770 nozzle is designed for use in various heavy-duty diesel engines, commonly found in:

• Excavators: Komatsu, Hitachi, Caterpillar, and other major brands utilizing compatible engine families.
• Industrial & Construction Equipment: Engines requiring precise S-Type nozzle performance.

Application Note: This part number is critical for specific fuel system configurations. We strongly recommend consulting your engine service manual or contacting our technical support with your engine serial number to confirm exact fitment for your application.

Global Supply & Distribution

We specialize in the seamless export of heavy-duty engine components to a global clientele. Our supply chain is optimized for international B2B trade.

• Worldwide Shipping: We ship via all major international carriers (DHL, UPS, FEDEX, EMS, TNT) to any destination.
• Key Markets Served: We have extensive experience supplying to North America (USA, Canada, Mexico), the European Union, the United Kingdom, Australia, Southeast Asia, the Middle East, and South America.
• Fast Delivery: Standard delivery time is 3-7 days to major air and sea ports, with expedited options available.
• Export Compliance: All documentation for international customs clearance (commercial invoice, packing list, certificate of origin) is provided professionally.

Quality Assurance

Every DLLA145S770 nozzle is backed by our rigorous quality commitment.

• Manufacturing Standards: Production is strictly controlled under ISO 9001:2000 and automotive TS16949 quality management systems.
• Warranty: This product is covered by a 3-year warranty against manufacturing defects, providing peace of mind for your investment.
• Testing: Components undergo stringent quality checks, including dimensional verification and material analysis, to ensure they meet or exceed original performance specifications.

FAQ

Q1: Is this nozzle a direct fit for my engine, and how can I be sure?
A1: The DLLA145S770 is manufactured to original specifications for direct fitment. The most reliable method for confirmation is to provide your engine model number, serial number, or the OEM part number you are replacing. Our technical team can assist with verification.

Q2: What is the Minimum Order Quantity (MOQ), and can I order a sample?
A2: The standard MOQ for this item is 12 pieces. For first-time buyers or to verify quality, we may offer sample orders. Please contact our sales team to discuss sample availability and terms.

Q3: How should these injector nozzles be handled and installed?
A3: Diesel injector nozzles are precision components. They should be kept in their original packaging until installation. Installation must be performed by a qualified technician using proper tools and procedures, including torque specifications and cleanliness protocols, to prevent damage and ensure optimal engine performance. Always replace sealing washers/o-rings.