spark plugs identification construction
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D |
Spark Plug Shell dimensions (the first letter of the part number) |
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O |
Metal shell projected into combustion chamber |
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Complies with relevant ISO standard |
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O |
Does not comply with relevant ISO standard |
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R |
Spark Plugs Interference suppresor (resistor) |
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No interference suppression |
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R |
Interference suppression |
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X |
Resistor reducing electrode burn-off |
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15 |
Spark Plug Heat range |
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Hot |
Cold |
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19 |
18 |
17 |
16 |
15 |
14 |
12 |
10 |
08 |
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L |
Spark gap design |
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Not projected insulator tip |
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Y |
Projected insulator tip |
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L |
Extremely projected insulator tip |
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T |
Projected insulator tip and three ground electrodes EXTRA |
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LG |
Extremely projected insulator tip and ring-shaped spark gap PREMIUM |
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Z |
Two auxiliary electrodes on the insulator tip and ring-shaped electrode gap PREMIUM |
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TX |
One auxiliary electrode on the insulator tip and three ground electrodes PREMIUM |
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LT |
Extremely projected insulator tip and three ground electrodes EXTRA |
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C |
Spark Plug Elektrode material |
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Nickel-alloy centre electrode |
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C |
Copper cored centre electrode SUPER |
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S |
Silver centre electrode SILVER |
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P |
Centre electrode with platinum contact PLATIN |
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PP |
Centre and ground electrode with platinum contact PLATIN |
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-1 |
Spark gap |
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0,4 - 0,9 mm |
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-05 |
0,5 mm |
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-1 |
1,0 - 1,1 mm |
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-3 |
1,3 mm |
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-X |
Special |
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Spark Plug Shell Dimensions
SPARK PLUGS CYLINDER HEAD APPLICATION GUIDE AND BRISK SPARK PLUG ASSORTMENT GUIDE
