# Service bulletin ATC2739

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10244902
- Published by NHTSA: 2023\-11\-06
- Manufacturer's number: ATC2739
- Manufacturer's date: 2023\-10\-26
- NHTSA component: FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING

## NHTSA's summary

This ATC is being issued to address potential DEF Headers failures on certain MR engines installed in Asphalt Zipper applications. This field action authorizes certified repair locations to proactively replace the DEF Header with the appropriate part number listed.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10244902-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10244902-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine, Fuel system

## Vehicles listed

- CUMMINS ISB6.7

JSON: [/v1/bulletins/10244902](/v1/bulletins/10244902)

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