Seller notes

realray Fitment： Onan 166-0772 RV Generator Ignition Coil Replaces 166-0643All the old point type Ignitor Coil on most Onan engine not solid state 166-0820 same as 541-0522 solid state only 166-0804same as 166-0772 points only A. (166-0820) B. (166-0804) Primary Resistance: 3.12 Primary Inductance: 6.67mH Secondary Resistance: 20.5K Secondary Inductance: 41.30H Primary Resistance: 4.25 Primary Inductance: 9.48mH Secondary Resistance: 37.85K Secondary Inductance: 59.96H (Please refer to compati...

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