Vermonster
Well-known member
So my manual says the plugs I need are Champion QL77JC4 and that's what is currently in my motor (1979 15HP Evinrude).
Boats.net says my motor can take 2 completely different plugs (reason I'm asking):
https://www.boats.net/parts/detail/brp/B-0389471.html
https://www.boats.net/parts/detail/brp/B-0390141.html
Oreilly auto parts when I search for QL77JC4 brings up 3 different 828 plugs instead.
https://www.oreillyauto.com/site/c/search.oap?keyword=ql77jc4&ntrchngMnfctr=CHP
And lastly...
This site has QL77JC4 listed with 828M
https://www.boatstore.com/spark-plugs-4-q.html
Is QL77JC4 the same as 828M?
Boats.net says my motor can take 2 completely different plugs (reason I'm asking):
https://www.boats.net/parts/detail/brp/B-0389471.html
https://www.boats.net/parts/detail/brp/B-0390141.html
Oreilly auto parts when I search for QL77JC4 brings up 3 different 828 plugs instead.
https://www.oreillyauto.com/site/c/search.oap?keyword=ql77jc4&ntrchngMnfctr=CHP
And lastly...
This site has QL77JC4 listed with 828M
https://www.boatstore.com/spark-plugs-4-q.html
Is QL77JC4 the same as 828M?