# Emissions E326

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: Emissions
- NHTSA id: 11028309
- Published by NHTSA: 2026\-02\-05
- Manufacturer's number: E326
- Manufacturer's date: 2026\-01\-15
- Campaign id or software version: E326
- NHTSA component: ENGINE; ELECTRICAL SYSTEM

## NHTSA's summary

EPA 17\-21 MX\-13 Fuel Injector Connector SRTs have been added to the SRT tables in PRWS for replacement of the injector connector shells

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11028309-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11028309-9999.pdf)

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

## Components

Electrical system, Engine

## Vehicles listed

- 2017 to 2021 PACCAR MX\-13

JSON: [/v1/bulletins/11028309](/v1/bulletins/11028309)

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