Diesel Injector 170-5187 Nozzle Assembly for 3304 & 3306 Engine

Diesel Injector 170-5187 Nozzle Assembly for 3304 & 3306 Engines

Keep your heavy-duty diesel engine running at peak efficiency with this precision-engineered fuel injector nozzle assembly. Compatible with 3304 and 3306 diesel engines, part number 170-5187 (1705187) is a direct-fit replacement designed to restore optimal fuel atomization and combustion performance. Whether you're performing routine maintenance or replacing a worn component, this nozzle assembly delivers consistent, reliable fuel delivery cycle after cycle.

Made in Mainland China.

Key Features

• Direct OEM-Style Fit: Engineered to match original specifications for 3304 and 3306 diesel engines — no modifications required.
• Precision Nozzle Design: Optimized spray pattern ensures efficient fuel atomization for smooth combustion and consistent engine output.
• Durable Construction: Built from high-grade materials to withstand the high pressures and temperatures of diesel fuel injection systems.
• Complete Nozzle Assembly: Supplied as a ready-to-install unit — everything you need in one package.
• Part Number: 170-5187 / 1705187
• Compatible Models: 3304 & 3306 Diesel Engines
• Electronic: No
• Semi-Finished Product: No — fully assembled and ready to fit

Why Replace Your Diesel Injector?

A worn or clogged injector nozzle can lead to inefficient fuel delivery, reduced engine performance, increased fuel consumption, and rough idling. Replacing it promptly with a quality, properly-matched assembly like the 170-5187 helps maintain engine efficiency and prolongs the lifespan of your diesel powerplant.

For guidance on diesel engine maintenance and fuel system care, refer to the OSHA Diesel Exhaust resource for safe handling and maintenance practices.

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Frequently Asked Questions

Q: What engines is the 170-5187 diesel injector nozzle assembly compatible with?

A: This injector nozzle assembly (part number 170-5187 / 1705187) is specifically designed for use with 3304 and 3306 diesel engines. Always verify your engine model and part number before ordering to ensure compatibility.

Q: Is this a complete assembly or just the nozzle tip?

A: This is a complete nozzle assembly, fully assembled and ready for installation. It is not a semi-finished product — you receive everything needed for a direct-fit replacement.

Q: Does this diesel injector require any modifications to install?

A: No modifications are required. The 170-5187 nozzle assembly is engineered to OEM specifications for the 3304 and 3306 diesel engines, making it a straightforward drop-in replacement for the original part.

Q: Where is this injector nozzle assembly made?

A: This product is made in Mainland China and is manufactured to high-quality standards to match OEM performance requirements.