NGK
NGK WR5IX 7510 Spark Plug Iridium IX
£10
£2.25
The Champion RS12YC CCH401 Copper Plus is a spark plug with a copper-core centre electrode.
Its shell has a patented Ultraseal coating, and it includes a patented SAC-9 semiconductor resistor. It replaces 3851857. The source mentions OE spark plug replacement in a vehicle, mower or weed whacker; check that this is the correct part for the intended fitment, using a cross-reference table if unsure.
At a glance
Now
£2.25
Lowest, Aug–Oct
£2.19
Highest
£2.25
Price at the shop, last 78 days
The price has stayed at £2.25 since 4 October. It has been lower in this period: £2.19 (19 Aug – 3 Oct).