Working draft
ISO/WD 28741
Road vehicles — Spark-plugs and their cylinder head housings — Basic characteristics and dimensions
Reference number
ISO/WD 28741
Edition 4
© ISO 2026
Working draft
Under development
A working group has prepared a draft.
Will replace ISO 28741:2023

Abstract

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).

General information

  • Status
     : Under development
    Stage
    : Close of comment period [20.60]
  • Edition
     : 4
  • Technical Committee :
    ISO/TC 22/SC 32
  • RSS updates

Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goal

9
Industry, Innovation and Infrastructure

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