---
Title: NOx Sensor, urea injection HELLA U2721399
Description: Part number: 6PN 358 307-201

Simplified part number: 6PN358307201

OEM numbers (Original Equipment Manufacturer):

MERCEDES-BENZ 000 905 02 08 (0009050208)
MERCEDES-BENZ 000 905 29 09 (0009052909)
MERCEDES-BENZ A 000 905 02 08 (A0009050208)
MERCEDES-BENZ A 000 905 29 09 (A0009052909)
Language: en-IE
Last updated: 2026-06-11
Canonical URL to this Markdown version of this page: [https://motorparts.ie/nox-sensor-urea-injection-hella-u2721399.md](https://motorparts.ie/nox-sensor-urea-injection-hella-u2721399.md)
Canonical URL to HTML version of this page (for humans): [https://motorparts.ie/nox-sensor-urea-injection-hella-u2721399](https://motorparts.ie/nox-sensor-urea-injection-hella-u2721399)
---

# NOx Sensor, urea injection HELLA U2721399

Breadcrumb: [NOx Sensor, urea injection HELLA U2721399](https://motorparts.ie/nox-sensor-urea-injection-hella-u2721399.md)



## Product Info

- **Brand**: HELLA
- **EAN**: 4082300894394
- **Warranty**: 12 Months
- **Price**: 451.55 EUR
- **Manufacturer's Suggested Retail Price**: C=EUR&A=489.51&Z=602.1&VAT=112.59&VATRATE=23

## Parameters:

- Cable Length: 790 mm
- Thread Size: M20X1,5
- Number of pins: 5 -pin connector
- for OE No.: A 000 905 29 09
- Supplementary Article/Supplementary Info 2: Control Unit/Software must be trained/updated
- Assy./disassy. by qualified personnel required!: 

## Images:

1. [Image 1: NOx Sensor, urea injection HELLA U2721399](https://digital-assets.tecalliance.services/images/1600/b6d1dccec0b8b69444294abe5bcc0b15e1c910b2.jpg)
2. [Image 2: NOx Sensor, urea injection HELLA U2721399](https://digital-assets.tecalliance.services/images/1600/1ce48ed35bcba6a9bd0f0c06f7aa681ffc4ec4e6.jpg)