18mm Diameter
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Champion Spark Plug XMD21
Part no: XMD21Excl. Tax: £10.00 Incl. Tax: £12.00Out of stock -
Champion Spark Plug RTM77N
Part no: RTM77NExcl. Tax: £38.37 Incl. Tax: £46.05 -
Champion Spark Plug RTM77N1
Part no: RTM77N1Excl. Tax: £29.65 Incl. Tax: £35.58Out of stock -
Champion Spark Plug RTM79
Part no: RTM79Excl. Tax: £33.98 Incl. Tax: £40.78 -
Champion RTM78N Spark Plug Industrial
Part no: RTM78NExcl. Tax: £28.66 Incl. Tax: £34.39Out of stock -
Champion RM77N Spark Plug Industrial
Part no: RM77NExcl. Tax: £25.94 Incl. Tax: £31.13 -
Champion Spark Plug XED16
Part no: XED16Excl. Tax: £2.50 Incl. Tax: £3.00Out of stock -
Champion Spark Plug RM82WPCC
Part no: RM82WPCCExcl. Tax: £95.37 Incl. Tax: £114.44Out of stock -
Champion D16 Spark Plug Standard
Part no: D16Excl. Tax: £3.73 Incl. Tax: £4.48 -
Champion Spark Plug FB77WPCC
Part no: FB77WPCCExcl. Tax: £112.97 Incl. Tax: £135.56Out of stock -
Champion Spark Plug XED14
Part no: XED14Excl. Tax: £2.50 Incl. Tax: £3.00Out of stock -
Champion Spark Plug XEJ12
Part no: XEJ12Excl. Tax: £2.50 Incl. Tax: £3.00Out of stock
18mm Diameter spark plugs from popular manufacturers including Bosch, NGK, Champion and Denso.
To find the right spark plug for your vehicle try our Spark Plug Finder