Spark Plug Champion QL77JC4
Spark Plug Champion QL77JC4
Seat Type: Flat
Hex size inch: 0.813
Hex size mm: 20.650
Thread size inch: 0.551
Thread size mm: 14.000
Thread reach inch: 0.5
Taper diameter inch: 0.25
Installed height inch: 2.24
Insulator Projection inch 0.00
Gap inch: 0.028-0.033
Gap mm: 0.78
Center Electrode Diameter inch: 0.1
Center Electrode material: Nickel Copper Alloy
Ground Electrode material: Nickel Copper Alloy
Resistor plug: Yes
Reference to:
Mercury: 896329828
Johnson/Evinrude/OMC: 509925 502180 507969 772340 387633
Pricing is per unit.
The references that are listed here are trademarks that apply to the respective trademark owners. The references are used only for a reference purpose. Our product is compatible with these reference numbers. Please note that our product is an aftermarket product (non-OEM), unless otherwise stated.