ISO/DIS 28741Under development

Road vehicles — Spark-plugs and their cylinder head housings — Basic characteristics and dimensions

Véhicules routiers — Bougies d'allumage et leur logement dans la culasse — Caractéristiques élémentaires et dimensions

Abstract / scope

This document specifies the main properties and dimensions of spark plugs, including the terminals and the dimensions of their cylinder head housings, for use with any spark-ignited engines. The usage of spark plugs is not restricted to road vehicles only.

This document does not cover screened and waterproof spark plugs (see ISO 3412, ISO 3895 and ISO 3896).

Life cycle

Replaces

ISO 28741:2023PublishedRoad vehicles — Spark-plugs and their cylinder head housings — Basic characteristics and dimensionsInternational Standard · Published 31 Aug 2023 · ISO/TC 22/SC 32