# Service bulletin TSB\-26073

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: 11030544
- Published by NHTSA: 2026\-04\-02
- Manufacturer's number: TSB\-26073
- Manufacturer's date: 2026\-03\-09
- NHTSA component: ENGINE

## NHTSA's summary

LST 3μ Filter Housing Improvement

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11030544-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11030544-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2025 to 2026 KOENIGSEGG CC850
- 2025 to 2026 KOENIGSEGG JESKO

## Other bulletins for the same vehicles and component

- [TSB\-26112](/bulletins/11030546.md), 2026-04-02, Service bulletin: ENGINE. Front Radiator Fan Shroud Improvement

JSON: [/v1/bulletins/11030544](/v1/bulletins/11030544)

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