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Ignition
Spark plugs
DENSO part number: W22EP-S11

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Spark Plug

DENSO part number: W22EP-S11

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Packing unit

Quantity per packing unit

Status

No longer deliverable by the manufacturer

Replaced by DENSO part number:

IW22

Show all specifications

Part specifications

Technical Information

Terminal Shape:Solid. Ground:Nix

Description

Nickel

Connector type

Solid SAE

Diameter [mm]

Spanner Size

20.6

Tightening Torque [Nm]

Country Specific Design

Japan

Spark Plug

1 - Earthed Electrode, Nickel Middle Electrode

Thread Length [mm]

Alternative item

IW22

Catalogues and marketing materials

Browse the Downloads Area section

OE numbers

DENSO

067600-6691

MITSUBISHI

MS851429

MS851429A

MS851429E

TOYOTA

90098-22755

General product information

Known as the ‘heart of the engine’, spark plugs play a key role in the ignition and performance of the entire engine. The well-timed combustion of the fuel-air mixture of gasoline and oxygen is what generates power in gasoline engines. The precise timing of the spark created by the spark plug ignites the fuel, triggering combustion.

To create this spark, a high voltage is passed between the centre electrode and ground electrode of the spark plug. This voltage breaks down the natural insulation between these electrodes and an electrical spark is generated. Although this strong spark only lasts for about 1/1,000 of a second, it has to be precisely and reliably timed to trigger the combustion of the fuel-air mixture.