Glow Plug Chart
Engines may vary. When installing a new glow plug, always check that there is no binding by turning the engine over several times by hand.  

 

  COX .049 TO .09 

  COX GLOW HEAD 

  .09 TO .15

  SHORT GLOW PLUG 

.15 AND UP

  LONG GLOW PLUG

  C/L ENGINES

  STD GLOW PLUG

  4 STROKE

  4 STROKE GLOW PLUG 

  O.S. WANKEL

  WANKEL PLUG