Product Overview

This high-quality DLLA18S418 S-Type Diesel Injector Nozzle (OEM Cross: 0 433 270 121 / 0433270121) is a 100% brand-new, precision-engineered component designed for optimal fuel atomization in diesel engines. Manufactured in Shandong, China, under strict ISO 9001:2000 and TS16949 standards, this nozzle is a critical replacement part for B2B buyers seeking reliable performance and durability. We serve a global client base, with fast shipping via DHL, UPS, FEDEX, EMS, and TNT to major industrial markets in North America, Europe, Asia-Pacific, and the Middle East.

Key Features & Benefits

• Precision Fuel Atomization: The S-Type design ensures fine fuel mist for improved combustion efficiency, reduced emissions, and enhanced engine power.
• Superior Durability: Constructed from high-speed steel to withstand extreme temperatures and pressures, ensuring a long service life.
• OEM Standard Fitment: Manufactured to exact OEM specifications (DLLA18S418) for a direct, hassle-free replacement without modifications.
• Rigorous Quality Control: Each nozzle undergoes strict testing per ISO 9001:2000 and TS16949 standards to guarantee consistent performance.
• Reliable Supply Chain: Low MOQ of 12 pieces with a fast 3-7 day delivery time, ideal for workshops, distributors, and fleet maintenance.

Technical Specifications

OEM Cross-Reference

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

• Bosch: 0 433 270 121, 0433270121
• Interchange: DLLA18S418, 18S418, 418

Compatibility

This DLLA18S418 nozzle is designed for use in a variety of diesel engines, particularly those requiring S-Type (pintle) nozzles. Common applications include:

• Industrial diesel engines
• Agricultural machinery and tractors
• Construction equipment (excavators, loaders)
• Medium-duty commercial vehicles

Note: For specific vehicle or engine model fitment, please verify your existing nozzle part number (DLLA18S418 or 0 433 270 121) before purchase.

Global Supply & Distribution

We are a dedicated supplier of diesel engine components with a robust global logistics network. Our shipping capabilities include:

• Shipping Partners: DHL, UPS, FEDEX, EMS, TNT for express delivery.
• Major Markets Served: North America, Europe, Southeast Asia, Middle East, Africa, and Latin America.
• Fast Delivery: Standard 3-7 day processing time, with expedited options available to major ports and industrial hubs.
• Export Experience: We specialize in B2B bulk orders and ensure proper documentation for international trade compliance.

Quality Assurance

• Certifications: ISO 9001:2000 and TS16949 certified manufacturing processes.
• Warranty: Backed by a comprehensive 3-year warranty against manufacturing defects.
• Testing: Each batch is tested for spray pattern, cracking pressure, and leakage to ensure optimal engine performance.

FAQ

Q1: How do I confirm this DLLA18S418 nozzle fits my engine?

A: Please cross-reference your existing nozzle’s part number. It should be stamped directly on the side of the old nozzle. This part is a direct OEM replacement for Bosch 0 433 270 121 and DLLA18S418. If your engine uses a different code (e.g., DN… or other DLLA… series), it is likely not compatible.

Q2: What is the installation procedure for this S-Type nozzle?

A: Installation should be performed by a qualified diesel technician. Key steps include: 1) Clean the injector body seating area thoroughly. 2) Install a new copper washer (if applicable). 3) Torque the nozzle retaining nut to the manufacturer’s specification (typically 60-80 Nm for similar nozzles, but verify with your engine manual). 4) Test for leaks after installation.

Q3: What maintenance is recommended for this nozzle to ensure longevity?

A: Use high-quality, clean diesel fuel and replace fuel filters regularly to prevent contamination. If you experience hard starting, black smoke, or rough idling, have the injectors tested professionally. This nozzle is a wear item and may require replacement every 2,000-4,000 hours of operation depending on fuel quality and engine load.