I know many people must be coming up on their 30k mark for the V8 5.7L. Im only at 18k so I have quite a ways to go but want to educate others and find out myself. on wk2jeeps.com and the owners manual it seems the 2011 OEM calls for 16;
NGK ZFR5C11G
Now sparkplugs.com and other sites list an OE replacement as;
NGK ZFR5C11 and a Champion REC12MCC4
What's the difference between them all? I realize the NGK is the matter of a letter "g" but I assume it means something. Havent seen them online with the "g" only listed as zfr5c11. They are OEM/ Copper plugs, nothing special between all three however.. Champion plug is about half the price of the NGK plug.
NGK ZFR5C11G
Now sparkplugs.com and other sites list an OE replacement as;
NGK ZFR5C11 and a Champion REC12MCC4
What's the difference between them all? I realize the NGK is the matter of a letter "g" but I assume it means something. Havent seen them online with the "g" only listed as zfr5c11. They are OEM/ Copper plugs, nothing special between all three however.. Champion plug is about half the price of the NGK plug.