---
Title: NOx Sensor, urea injection HELLA U2720812
Description: Part number: 6PN 358 307-251

Simplified part number: 6PN358307251

OEM numbers (Original Equipment Manufacturer):

MERCEDES-BENZ 000 905 34 03 (0009053403)
MERCEDES-BENZ 000 905 51 00 (0009055100)
MERCEDES-BENZ 000 905 69 00 (0009056900)
MERCEDES-BENZ 007 542 00 18 (0075420018)
MERCEDES-BENZ A 000 905 34 03 (A0009053403)
MERCEDES-BENZ A 000 905 51 00 (A0009055100)
MERCEDES-BENZ A 000 905 69 00 (A0009056900)
MERCEDES-BENZ A 007 542 00 18 (A0075420018)
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-u2720812.md](https://motorparts.ie/nox-sensor-urea-injection-hella-u2720812.md)
Canonical URL to HTML version of this page (for humans): [https://motorparts.ie/nox-sensor-urea-injection-hella-u2720812](https://motorparts.ie/nox-sensor-urea-injection-hella-u2720812)
---

# NOx Sensor, urea injection HELLA U2720812

Breadcrumb: [NOx Sensor, urea injection HELLA U2720812](https://motorparts.ie/nox-sensor-urea-injection-hella-u2720812.md)



## Product Info

- **Brand**: HELLA
- **EAN**: 4082300894592
- **Warranty**: 12 Months
- **Price**: 414.2 EUR
- **Manufacturer's Suggested Retail Price**: C=EUR&A=448.98&Z=552.25&VAT=103.27&VATRATE=23

## Parameters:

- Cable Length: 390 mm
- Thread Size: M20X1,5
- Number of pins: 5 -pin connector
- for OE No.: A 000 905 34 03
- Supplementary Article/Supplementary Info 2: Control Unit/Software must be trained/updated
- Cable colour: black
- Assy./disassy. by qualified personnel required!: 

## Images:

1. [Image 1: NOx Sensor, urea injection HELLA U2720812](https://digital-assets.tecalliance.services/images/1600/bdd1af1efa78c6e334aa7327bd65701f26571641.jpg)
2. [Image 2: NOx Sensor, urea injection HELLA U2720812](https://digital-assets.tecalliance.services/images/1600/c6d227555c70b4751774714b0b1cd72dc64e4c1e.jpg)