QL78YC - Champion Spark Plug ( #938M)
List Price
Your Price
$4.18
Item Number
1383663
Model Number
QL78YC
Manufacturer
Champion Spark Plugs
Category
Spark Plugs
Section
Champion Spark Plugs
Sold in Full Boxes Only, PRICED PER PLUG. Complete Spark Plug Charts In Our Shop/Service Catalog
Additional Info
Replaces OEM 0437929.
Plug Type QL78YC
Seat Type Gasket
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) 0.06
Gap (Inch) 0.022-0.028
Gap (MM) 0.56-0.71
Center Electrode Diameter (Inch) 0.1
Center Electrode Material Nickel Copper Alloy
Ground Electrode Material Nickel Copper Alloy
Ground Electrode Quantity 1
Classification Champion Copper Plus Small Engine
Resistor Plug Yes
Resistor Type Q-Type Inductive Suppressor
Manufacturer Heat Range 78
Electrical Terminal Type Non-Removable Nut
Champion Champion Spark Plug - Ql78yc/938m is equivalent to parts:
505449 Evinrude Johnson OMC BRP
505448 Evinrude Johnson OMC BRP
437929 Evinrude Johnson OMC BRP
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