Fuel injector illustration – not the actual part
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Fuel injector illustration – not the actual partDiesel Parts Direct logo

Aftermarket parts may appear slightly different, including the packaging.

Caterpillar3400 SeriesFuel Injectors

DS-4W-7018 Fuel Injector Nozzle For 3406 Caterpillar Diesel Engines

OEM #: 4W7018SKU: DS4W7018

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$143.06

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This is a Fuel Injector Nozzle for 3406 Caterpillar engines.

SKU DS4W7018
OEM Number 4W7018
Part Type Fuel Injectors
OEM Brand CATERPILLAR
  • DS-4W-7012

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Call any of our friendly Parts Dept. Specialists with your engine serial number, and we can quickly verify whether this part is the correct part for your engine — no guesswork.

Phone: 888.687.0539

Don't know how to find your engine serial number? Go to our Engine Help Center for assistance.