# Service bulletin TSB210065

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: 10233012
- Published by NHTSA: 2023\-03\-20
- Manufacturer's number: TSB210065
- Manufacturer's date: 2023\-02\-01
- NHTSA component: FUEL SYSTEM, GASOLINE

## NHTSA's summary

This Technical Service Bulletin accounces the introduction of new valve stem seal design that has been optimized for improved blowby and oil control for natural gas engine intake manifold pressures and includes the valve spring guide and is visually different in appearance from the existing part number.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10233012-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10233012-9999.pdf)

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

## Components

Fuel system

## Vehicles listed

- CUMMINS ISX

JSON: [/v1/bulletins/10233012](/v1/bulletins/10233012)

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