Product Overview

This high-quality diesel fuel injector nozzle, model DN12SD290 (OEM 0 434 250 153 / 0434250153), is a precision-engineered component designed for optimal fuel atomization in diesel engines. Manufactured to meet or exceed OEM specifications, this nozzle is ideal for replacement and repair applications in heavy machinery, including excavators and industrial equipment. We offer global shipping with fast delivery to major ports and industrial centers across North America, Europe, Asia-Pacific, the Middle East, and South America.

Key Features & Benefits

• Precision Fuel Delivery: Ensures optimal fuel atomization for improved combustion efficiency, reduced emissions, and enhanced engine performance.
• Durable Construction: Made from high-speed steel for superior wear resistance and long service life, even under high-pressure injection conditions.
• OEM Quality: Manufactured to strict quality standards, ensuring a perfect fit and reliable operation as a direct replacement for original parts.
• Rigorous Testing: Each nozzle undergoes strict quality control and testing procedures to guarantee consistent performance and reliability.
• Versatile Application: Suitable for a wide range of diesel engines used in excavators, generators, and other heavy-duty equipment requiring replacement or repair.

Technical Specifications

OEM Cross-Reference

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

• 0 434 250 153 (Original Bosch Number)
• 0434250153 (Alternative Format)
• DN12SD290 (S/D Type Reference)

Compatibility

This nozzle is designed for use in diesel engines requiring the DN12SD290 or 0 434 250 153 specification. While primarily used in excavator engines, it is also compatible with various industrial and agricultural diesel engines that share this injection system. Please verify your engine model and existing part number to confirm fitment.

Global Supply & Distribution

We are a trusted supplier of diesel engine parts with extensive export experience. Our logistics network ensures fast and reliable delivery worldwide, including:

• North America: USA, Canada, Mexico
• Europe: Germany, UK, France, Netherlands, Poland
• Asia-Pacific: Japan, South Korea, Australia, Singapore
• Middle East & Africa: UAE, Saudi Arabia, South Africa
• South America: Brazil, Chile, Argentina

We offer flexible shipping options, including express courier and sea freight, to meet your delivery deadlines.

Quality Assurance

Our fuel injector nozzles are manufactured in a state-of-the-art facility in Shandong, China, adhering to strict international quality standards. Each part is inspected for dimensional accuracy, material integrity, and performance before shipment. We back our products with a 4-month warranty against manufacturing defects, ensuring your peace of mind.

FAQ

Q: How can I confirm this nozzle fits my engine?
A: Please check your current injector nozzle for the stamped part number. This product is a direct replacement for OEM numbers 0 434 250 153, 0434250153, and DN12SD290. If your part number matches, it will fit.

Q: What is the recommended installation procedure?
A: Installation should be performed by a qualified technician. Ensure the injector bore is clean, lubricate the nozzle with clean diesel fuel, and torque to the manufacturer’s specified settings. Improper installation can lead to performance issues or damage.

Q: How should I store spare nozzles?
A: Store in a clean, dry environment at room temperature. Keep the nozzles in their original packaging to prevent contamination or corrosion. Avoid exposure to moisture or extreme temperatures.