# ISO 4020-1:1979 — Withdrawn and superseded ISO standards For ISO 4020-1:1979, item title is Road vehicles — Fuel filters for automotive compression ignition engines — Part 1: Test methods; status code is 9599; successor is ISO 4020:2001 | ISO/WD 4020-1; withdrawn / published date is 1979-06-01, recorded from its source on 2026-08-05. - **Identifier:** ISO 4020-1:1979 _(verified: appears in the quote below)_ - **Item title:** Road vehicles — Fuel filters for automotive compression ignition engines — Part 1: Test methods _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 4020:2001 | ISO/WD 4020-1 - **Withdrawn / published date:** 1979-06-01 _(verified: appears in the quote below)_ ## What the source says > 9703,IS,,ISO 4020-1:1979,Road vehicles — Fuel filters for automotive compression ignition engines — Part 1: Test methods,Véhicules routiers — Filtres à combustible pour moteurs à combustion interne à allumage par compression — Partie 1: Méthodes d'essai,1979-06-01,1,['43.060.40'],ISO/TC 22,9599,,"[35468,25230]","['en','fr']",30,

Specifies the types of test for fuel filters according to their application. The filter classification is specified in ISO 4020-2. Applies to fuel filters having a rated flow of up to 200 l/h which are provided for motor vehicles with diesel engines and for test installations for injection equipment. This edition has been corrected and reprinted 1980.

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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).