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
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).
PUBLISHED
ISO 28741:2023
IN_DEVELOPMENT
ISO/DIS 28741
40.00
DIS registered
Oct 5, 2026