morning everyone,

i was thinking this morning...the new bosch plugs are of the resistor type correct? the HR9DC (..which from what ******** says has been superceeded by the 7578 (bosch part #) which is the "latest enhanced yttrium version of the HR9DC plugs.."

I was wondering if these new plugs are resistor type...the wires (now im not sure if they have been superceeded yet...shouldnt they be non-resistor wires?

On ******** they are listed as 09146 (same as the bosch part #)...

So new resistor plugs? are these 09146 wire non-resistor?

Reason im asking is the plugs (non-resistor) in my 190E are good but the wires are shot..i can see the sparks at the boot which im quite sure (even thou i am new to gas engines...) is not good...

if i bought these 09146 wires are they what i need to go with my NR plugs? or is there another set of wires out there for my plugs?

thanks

kris

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