# ISO 4548-8:1989 — Withdrawn and superseded ISO standards

For ISO 4548-8:1989, item title is Methods of test for full-flow lubricating oil filters for internal combustion engines — Part 8: Inlet anti-drain valve test; status code is 9599; successor is ISO 4548-9:1995; withdrawn / published date is 1989-11-30, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4548-8:1989 _(verified: appears in the quote below)_
- **Item title:** Methods of test for full-flow lubricating oil filters for internal combustion engines — Part 8: Inlet anti-drain valve test _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 4548-9:1995
- **Withdrawn / published date:** 1989-11-30 _(verified: appears in the quote below)_

## What the source says

> 10469,IS,,ISO 4548-8:1989,Methods of test for full-flow lubricating oil filters for internal combustion engines — Part 8: Inlet anti-drain valve test,Méthodes d'essai des filtres à huile de lubrification à passage intégral pour moteurs à combustion interne — Partie 8: Essai du clapet amont de non-retour,1989-11-30,1,['27.020'],ISO/TC 70,9599,,[10471],"['en','fr']",4,

## 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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).