NGK
NGK WR5IX 7510 Spark Plug Iridium IX
£10
£5.04
The Champion RD16 is a spark plug with a copper-core centre electrode.
It has a patented Ultraseal coated shell and a patented SAC-9 semiconductor resistor. Part number RD16/013; replacement reference 541.
At a glance
Now
£5.04
Lowest, Aug–Oct
£3.70
Highest
£5.04
Price at the shop, last 79 days
The price rose by £1.34 on 13 October. It has been lower in this period: £3.70 (19 Aug – 12 Oct).