Figured I'd help everyone prepare for hurricane season this year to have some backup parts on hand in case you have to service your Generac or change the oil. I have a 2021 22kW unit and some generic spare parts that I keep on hand:

Oil filter - Wix 57145 or MicroGuard MSL57145 or Mobil M1-103A
Spark Plugs - NGK7938
Air Filter - Wix WA10555
Oil - Mobil 1 Extended Performance 5W30 (2 quarts to fill); any quality 5W30 will suffice
*Stepper Motor (Generac Part) - OL3090

Anyone else with a Briggs home standby or a Kohler, feel free to put the generic part numbers in this thread.

Y'all stay safe and prepared out there.

This post was edited on 8/20/23 at 9:09 pm

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Posted by Lsu4life42

Central LA.

Member since Nov 2015

571 posts

Posted on 8/19/23 at 1:41 pm to bapple

I keep transfer switch fuses and transfer mechanism. And some 7.5 amp blade fuse for generator. If u can afford it I would have a spare transfer switch module. Lighting will destroy them. Make sure u have a back up battery charger in case the onboard one goes out.

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Posted by Cuz413

Member since Nov 2007

9106 posts

Posted on 8/19/23 at 6:06 pm to bapple

Generac? A complete unit

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Posted by bapple

Capital City

Member since Oct 2010

12128 posts

Posted on 8/19/23 at 11:27 pm to Lsu4life42

quote:
If u can afford it I would have a spare transfer switch module. Lighting will destroy them.

My parents just had theirs fried so this is confirmed. But if I remember correctly, the transfer switch can be actuated manually if needed. I guess it would just lose it's automatic capabilities.

quote:
Make sure u have a back up battery charger in case the onboard one goes out.

Not a bad idea. I figure I could always charge battery with my car or even pull the car battery temporarily if needed. But the charger not working would be make that part constant so a spare is a good idea.

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