ISO/DIS 28741

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

General information

40.00   DIS registered   Oct 5, 2026

ISO

ISO/TC 22/SC 32 Electrical and electronic components and general system aspects

International Standard

43.060.50   Electrical and electronic equipment. Control systems

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

PREVIOUSLY

PUBLISHED
ISO 28741:2023

NOW

IN_DEVELOPMENT
ISO/DIS 28741
40.00 DIS registered
Oct 5, 2026