NGK
NGK WR5IX 7510 Spark Plug Iridium IX
£10
Lowest price we found
£6.22
The NGK ZMR7A-10 is a conventional nickel-alloy spark plug with a copper-cored centre electrode, part of the NGK Standard range.
The copper core carries heat away from the firing tip quickly. The plug is described as running cooler under load while burning off deposits at low speed, helping it resist overheating and fouling better than a plain nickel plug.
It is a direct replacement where a conventional plug is specified. Its triple-seal construction guards against gas leakage, while a corrugated insulator helps prevent flashover. The plug is easy to inspect and re-gap. The stated part number is 95624.
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Price at the shop, last 26 days
The price has stayed at £6.22 since 9 October.