# Service bulletins for the 2019 Freightliner M2

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.

1 bulletin from NHTSA, as of 2026-10-19.

- [SB4934](/bulletins/10192960.md), 2021-05-10, Service bulletin: ENGINE AND ENGINE COOLING. DEF Tank Coolant Valve O\-Ring Kit

JSON: [/v1/vehicles/2019_freightliner_m2/bulletins](/v1/vehicles/2019_freightliner_m2/bulletins)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%202019%20Freightliner%20M2&page=https%3A%2F%2Fopen.wenmarpro.com%2Fmakes%2Ffreightliner%2Fm2%2F2019%2Fbulletins&vehicle=2019%20Freightliner%20M2)