# ISO 6550-4:2009 — Withdrawn and superseded ISO standards

For ISO 6550-4:2009, item title is Road vehicles — Sheath-type glow-plugs with conical seating and their cylinder head housing — Part 4: M8 x 1 glow-plugs; status code is 9599; successor is ISO 17447-1:2015 | ISO 6550-4:2014 | ISO 17447-2:2015 | ISO 17447-3:2015; withdrawn / published date is 2009-10-27, recorded from its source on 2026-08-05.

- **Identifier:** ISO 6550-4:2009 _(verified: appears in the quote below)_
- **Item title:** Road vehicles — Sheath-type glow-plugs with conical seating and their cylinder head housing — Part 4: M8 x 1 glow-plugs _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 17447-1:2015 | ISO 6550-4:2014 | ISO 17447-2:2015 | ISO 17447-3:2015
- **Withdrawn / published date:** 2009-10-27 _(verified: appears in the quote below)_

## What the source says

> 50144,IS,,ISO 6550-4:2009,Road vehicles — Sheath-type glow-plugs with conical seating and their cylinder head housing — Part 4: M8 x 1 glow-plugs,"Véhicules routiers — Bougies de préchauffage à fourreau et à siège conique, et leur logement dans la culasse — Partie 4: Bougies M8 x 1",2009-10-27,2,['43.060.50'],ISO/TC 22/SC 32,9599,[35091],"[59789,65284,59790,63265]",['en'],10,"<p>ISO 6550-4:2009 specifies the main characteristics of M8 x 1 sheath-type glow-plugs with conical seating and their cylinder head housing, for use with diesel (compression-ignition) engines.</p>"

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).