18mm Diameter
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Champion Spark Plug XMD21
Part no: XMD21Excl. Tax: $14.24 Incl. Tax: $17.08Out of stock -
Champion Spark Plug RTM77N
Part no: RTM77NExcl. Tax: $54.63 Incl. Tax: $65.56 -
Champion Spark Plug RTM77N1
Part no: RTM77N1Excl. Tax: $42.21 Incl. Tax: $50.65Out of stock -
Champion Spark Plug RTM79
Part no: RTM79Excl. Tax: $48.38 Incl. Tax: $58.06 -
Champion RTM78N Spark Plug Industrial
Part no: RTM78NExcl. Tax: $40.80 Incl. Tax: $48.96Out of stock -
Champion RM77N Spark Plug Industrial
Part no: RM77NExcl. Tax: $36.93 Incl. Tax: $44.32 -
Champion Spark Plug XED16
Part no: XED16Excl. Tax: $3.56 Incl. Tax: $4.27Out of stock -
Champion Spark Plug RM82WPCC
Part no: RM82WPCCExcl. Tax: $135.78 Incl. Tax: $162.93Out of stock -
Champion D16 Spark Plug Standard
Part no: D16Excl. Tax: $5.31 Incl. Tax: $6.38 -
Champion Spark Plug FB77WPCC
Part no: FB77WPCCExcl. Tax: $160.83 Incl. Tax: $192.99Out of stock -
Champion Spark Plug XED14
Part no: XED14Excl. Tax: $3.56 Incl. Tax: $4.27Out of stock -
Champion Spark Plug XEJ12
Part no: XEJ12Excl. Tax: $3.56 Incl. Tax: $4.27Out 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