Product Overview

This high-performance Diesel Fuel Injector Nozzle DLLA145S507 (0433 271 231) is a premium replacement component designed for demanding diesel engine applications. Manufactured to exacting OEM standards, this nozzle ensures precise fuel atomization and optimal combustion efficiency. We are a global supplier with extensive export experience, serving major markets across North America, Europe, Asia-Pacific, the Middle East, and South America. Our logistics network guarantees fast and reliable shipping to major ports and industrial hubs worldwide.

Key Features & Benefits

• Precision Fuel Delivery: Engineered with high-speed steel for exceptional durability and resistance to wear, ensuring consistent fuel spray patterns over extended service intervals.
• Enhanced Engine Performance: Restores original engine power and torque by providing the correct fuel injection timing and atomization, reducing smoke emissions and improving fuel economy.
• Rigorous Quality Control: Every nozzle undergoes strict testing for flow rate, spray pattern, and sealing integrity to guarantee 100% performance reliability.
• Direct Fit Replacement: Manufactured to match the exact dimensions and specifications of the original Bosch-style part, ensuring a hassle-free installation without modifications.
• Cost-Effective Solution: A high-quality alternative to expensive OEM parts, offering a 4-month warranty and a low minimum order quantity (MOQ) of 48 pieces for commercial buyers.

Technical Specifications

OEM Cross-Reference

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

• Bosch OEM: 0433 271 231
• Bosch Standard Nozzle: DLLA145S507

Note: This part is designed to meet the specifications of the original Bosch DLLA145S507 nozzle. It is not an OEM Bosch part but a high-quality aftermarket alternative.

Compatibility

This nozzle is designed for use in diesel engine trucks and heavy-duty commercial vehicles that utilize Bosch-style fuel injection systems. It is commonly applied in:

• Engine Types: Inline and V-type diesel engines requiring a DLLA145S507 nozzle specification.
• Vehicle Applications: Long-haul trucks, construction machinery, and agricultural equipment.

For specific engine model fitment (e.g., Cummins, Caterpillar, or specific truck brands), please verify your existing nozzle part number (0433 271 231 or DLLA145S507) for exact compatibility.

Global Supply & Distribution

We are a dedicated B2B supplier with a robust global supply chain. Our capabilities include:

• Worldwide Shipping: We ship via air and sea freight to all major international destinations.
• Key Markets: We have a strong presence in the USA, Canada, Germany, UK, UAE, Saudi Arabia, Australia, and Southeast Asia.
• Fast Delivery: Standard shipping to major ports (e.g., Rotterdam, Los Angeles, Shanghai, Jebel Ali) is typically 7-15 business days.
• Export Compliance: We handle all international trade documentation and customs clearance procedures for a smooth transaction.

Quality Assurance

• Manufacturing Standards: Produced in a modern ISO-compliant facility using precision CNC machining.
• Testing: Each batch is tested for hydraulic performance, spray pattern, and leakage to ensure it meets OEM performance levels.
• Warranty: We offer a 4-month warranty against manufacturing defects, providing peace of mind for your operations.

FAQ

Q1: Is this nozzle a direct fit for my Bosch DLLA145S507 injector?
A1: Yes, this nozzle is a direct mechanical replacement. It matches the exact dimensions, needle lift, and spray angle of the original Bosch DLLA145S507 standard nozzle. You can install it without any modifications to your existing injector body.

Q2: What is the recommended installation procedure?
A2: Installation should be performed by a qualified diesel technician. The nozzle must be installed in a clean environment to prevent contamination. Use a torque wrench to tighten the retaining nut to the manufacturer’s specified torque. After installation, the injection system should be bled of air before starting the engine.

Q3: How does this part improve engine performance compared to a worn nozzle?
A3: A worn nozzle causes poor fuel atomization, leading to incomplete combustion, black smoke, and loss of power. This new nozzle restores the precise spray pattern, which improves fuel-air mixing. The result is increased horsepower, better fuel efficiency, and reduced exhaust emissions.