> Canonical page: https://dieselfuelinjectionrepair.com/parts/injector-nozzles/

> Summary: Injector nozzles control the shape and delivery of fuel into the cylinder. Ask DCT about correct injector identification and options.

DIESEL PARTS / INJECTORS AND INJECTOR SERVICE PARTS

# Diesel Fuel Injector Nozzles

Find diesel injector nozzles by assembly number and engine application. Nozzle design affects fuel delivery and spray characteristics.

Send the complete injector number, engine model and any identification marks. We can help you explore parts options and discuss testing or service for supported injectors.

## Injector design and application

Nozzle geometry and spray pattern are specific to the injector and engine. A nozzle that looks similar can have different delivery characteristics.

## Match the Right Part to Your Equipment

Record the nozzle part number and the holder or complete injector number rather than relying on tip appearance.

For an injector inquiry, distinguish the complete assembly from a nozzle, holder or service part. Supply any manufacturer marks and the engine identification to reduce the risk of ordering the wrong design.

## Testing, Service and Replacement Options

Replacement nozzle selection should follow verified identification and suitable testing where offered.

Cleaning alone does not verify injection performance. Testing, rebuild suitability, return-flow or electrical checks depend on injector design. Ask which procedures are appropriate for the specific supported injector.

## Part Names and Identification

You may also find these parts listed as injector nozzle tips, spray nozzles, nozzle replacement. Injector design, complete part number and application determine the correct match.

## Need Help Finding This Part?

Have a part number or photo of the original component? Include it with the engine or equipment model and quantity you need. We'll help review matching options and availability.

[Ask Our Parts Team](/parts/find-a-part/)

Looking for a specific component? Explore products listed in our store, or ask us about something you don't see online.

[Visit the Diesel Parts Store](/store/)

Need testing or repair? Explore [our related fuel-injection guide](/fuel-injection/injector-testing/). Contact DCT before shipping a component so we can confirm acceptance and provide receiving instructions.

## Related Parts and Resources

- [Browse related injectors and injector service parts](/parts/injectors/)
- [Get Help with a Part Number](/parts/find-a-part/)
- [Shop Diesel Parts](/store/)
- [Learn About This Fuel System](/fuel-injection/injector-testing/)