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Old 07-06-2013, 04:39 PM   #1
Join Date: Jun 2010
Posts: 66
Coil needed for Onan 4k genset... where to find one?

Not sure of the model offhand but the Onan 4k generator in our RV has very weak spark (orange and won't jump far when sparked) so I'm assuming it needs a new coil.

The one on there looks like a standard car coil but with dual outputs.

Only one I've found is a high-voltage replacement on ebay but I don't need anything fancy!


High Output Kohler Onan Ignition Coil and Wire Set | eBay


Full timing in a 1979 Dodge Sportsman Shasta 22' - 440 power in a little package!
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Old 07-08-2013, 09:10 AM   #2
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Join Date: Jul 2012
Location: North Maryland
Posts: 463
The bad news is that all Onan parts are rather expensive. The good news is that you can get them. Try here:

Onan 166-0772 Ignition Coil Kit contains 166-0804 coil : A.S.A.P.

I have bought several things from this company - always new and they ship fast.

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Old 07-08-2013, 10:36 AM   #3
Join Date: Jun 2010
Posts: 66
Thanks for the link! That doesn't look like the coil on my unit though, but the connections are the same so I guess it'd work.

Rather go with the $60 chrome one on ebay though! haha
Full timing in a 1979 Dodge Sportsman Shasta 22' - 440 power in a little package!
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Old 07-08-2013, 11:00 AM   #4
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Location: Spring Valley AZ
Posts: 1,161
Onan Generators - SmokStak
Don and Mary
'00 Bluebird Skoolie Conversion
Geo Tracker/Dodge Neon/Aprilia Scooter towed
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