ISO/TC 22/SC 32/WG 1 - Ignition Equipment

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).

This document specifies the main properties and dimensions of metal-sheath-type glow plugs, including the terminals, and the dimensions of their cylinder head housings, for use with diesel (compression ignition) engines.

ISO 17447-2:2015 specifies the main properties and dimensions of ceramic-sheath-type glow-plugs, including the terminals and the dimensions of their cylinder head housings, for use with diesel (compression ignition) engines.

ISO 17447-3:2015 specifies general requirements and test methods for sheath-type glow-plugs. Detailed test condition(s) and/or requirement(s) are agreed between the glow-plug manufacturers and the engine manufacturer. It is applicable to glow-plugs conforming to ISO 17447‑1 and ISO 17447‑2, used in diesel (compression ignition) engines.

ISO 19813:2006 specifies tests and requirements for all types of high voltage boots on plug-top and pencil coils.

ISO 6856:2005 specifies test methods and general requirements for unscreened high-voltage ignition cable assemblies, and is applicable to all such assemblies used in road vehicle applications.

ISO 3808 specifies the classes, types and dimensions of, and test methods and requirements for, the unscreened high-voltage ignition cables used in spark-ignited engines for road vehicles.

This Technical Report describes the heat-rating methods of spark-plugs used with spark-ignition engines.

Cancels and replaces the first edition (1982). Lays down the methods and test conditions for testing battery-supplied ignition systems for spark-ignited internal combustion engines. Gives two methods of obtaining the results necessary for calculating the system output energy.

Specifies the essential dimensional characteristics of a spark-plug type used with spark ignition engines. Tabulates major, pitch, and minor diameters for plug thread and connector thread. A figure illustrates shapes and reference quantities of concern.

Specifies the dimensions, shape and connections for coils with two fixing holes, four fixing and/or positioning holes, and with mounting brackets. Applies to ignition systems for spark-ignited internal combustion engines of road vehicles.

Specifies the dimensions. Applies to ignition systems for spark-ignited internal combustion engines of road vehicles.

This part specifies the essential dimensions of socket-type connections, used for spark-ignition engines. Applies to high-tension sockets and cable connectors of type "A" (figures 1 and 2). An annex gives socket and connector type "B" (figures 3 and 4). This first edition cancels and replaces the ISO 3553:1975.

Specifies the essential dimensional characteristics of a spark-plug type used with spark ignition engines. Tabulates major, pitch, and minor diameters for plug thread and connector thread. A figure illustrates shapes and reference quantities of concern. This third edition cancels and replaces the second edition (1979).

Specifies the essential dimensional characteristics of a spark-plug type used with spark ignition engines. Tabulates major, pitch, and minor diameters for plug thread and connector thread. A figure illustrates shapes and reference quantities of concern. This third edition cancels and replaces the second edition (1979).

ISO 17447-1:2015 specifies the main properties and dimensions of metal-sheath-type glow-plugs, including the terminals and the dimensions of their cylinder head housings, for use with diesel (compression ignition) engines.

ISO 6550-4:2014 specifies the main characteristics of M8 × 1 sheath-type glow-plugs with conical seating and their cylinder head housing, for use with diesel (compression-ignition) engines.

ISO 28741:2013 specifies the main properties and dimensions of spark-plugs, including the terminals and the dimensions of their cylinder head housings, for use with spark-ignition engines. ISO 28741:2013 does not cover screened and waterproof spark-plugs.

ISO 6550-3:2013 specifies the main characteristics of M10 sheath-type glow-plugs with conical seating and their cylinder head housing, for use with diesel (compression-ignition) engines. :

ISO 7578:2008 specifies general requirements and test methods for sheath-type glow-plugs. Detailed test condition(s) and/or requirement(s) are agreed between the glow-plug manufacturers and the engine manufacturer. It is applicable to those sheath-type glow-plugs conforming to ISO 6550‑1, ISO 6550‑2, ISO 6550‑3 and ISO 6550‑4, used in compression ignition (diesel) engines.

ISO 11565:2006 specifies the test methods and requirements for the mechanical and electrical performance of spark-plugs for use with spark ignition engines.

ISO 19812:2006 specifies characteristics of M10 x 1 compact spark-plugs with flat seating and 16 mm hexagon and of their cylinder head housing, for use with spark-ignition engines.

ISO 8470:2006 specifies characteristics of M14 x 1,25 spark-plugs with flat seating and 16 mm hexagon and their cylinder head housings, for use with spark-ignition engines.

ISO 2705:2006 specifies characteristics of M12 x 1,25 spark-plugs with flat seating and their cylinder head housings, for use with spark-ignition engines.

ISO 14508:2005 specifies the dimensions of the solid post terminals and threaded terminals for spark-plugs for use with spark ignition engines.

ISO 22977:2005 specifies characteristics of M12 x 1,25 spark-plugs with flat seating and 14 mm bi-hexagon and of their cylinder head housings, for use with spark-ignition engines.

ISO 16246:2005 specifies the characteristics of M12 x 1,25 spark-plugs with flat seating and 14 mm hexagon and their cylinder head housings, used with spark-ignition engines in road vehicles.

This International Standard specifies the main characteristics of M14 x 1,25 compact spark-plugs with flat seating and 19 mm hexagon and their cylinder head housing, for use with spark-ignition engines.

Specifies the main characteristics of M12 × 1,25 sheath-type glow-plugs with conical seating and their cylinder head housing, for use with diesel (compression-ignition) engines.

Specifies the main characteristics of, and requirements (dimensions, threads, tolerances, installation tightening torque) for the M14 × 1,25 compact spark-plugs for use with spark-ignition engines.

Specifies the main characteristics of M14 × 1,25 sheath-type glow-plugs with conical seating and their cylinder head housing, for use with diesel (compression-ignition) engines. Type M14 should not be used for new applications.

Specifies the main characteristics of, and requirements (dimensions, threads, tolerances, installation tightening torque) for the M18 × 1,5 spark-plugs for use with spark-ignition engines.

Specifies the essential dimensional characteristics of mounting brackets. Two figures illustrate shapes and reference quantities of type A and type B brackets. Dimensions given in millimetres. This second edition cancels and replaces the first edition (1972).

Defines the main terms (given in English, French, and Russian) relating to those phenomena leading to uncontrolled engine ignition, and some characteristics of the spark plugs. A figure illustrates the meaning of the text and reference quantities of concern. This second edition cancels and replaces the first edition (1972).