The NGK DP7EA9 and DPR8EA9 are both spark plugs, but they differ primarily in their heat range and design. The DP7EA9 is a direct replacement for certain applications, typically featuring a slightly hotter heat range, while the DPR8EA9 has a cooler heat range, making it suitable for different engine conditions. This difference affects how each plug performs under varying temperatures and engine loads, influencing ignition efficiency and engine performance. Always refer to your vehicle's specifications to choose the correct spark plug.
8 is hotter than 9 (toolmanx3)
NGK Plug DPR8EA9
dpr8ea9 is a resistor plug dp8ean is non resistor.
BUHW has more copper in the metal.
They are interchangeable. Difference between the two :ZFR6K-11 is a standard NGK plug where as IZFR6K-11 is the Iridium version.
Yes, Only difference is the plug heat rating. The Plug will run a little colder and may foul easier or more frequent.
heat range. 7 is a "hotter" plug. That means it transfers more heat to the cylinder head during operation.
Basically they are for different climate/riding conditions.
ngk BPMR4A
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Copper: NGK 5858 (XR4); Iridium: NGK 7189 (XR41X).....
NGK-BR8ES or NGK-B8ES