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Generac Maintenance Kit for 20wK Home Standby Generators (999cc)

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Generac Maintenance Kit for 20wK Home Standby Generators (999cc)


  • Included pieces: Air filter, oil filter, spark plugs and wrench, oil funnel, a blue cloth, preventative maintenance stickers, and instruction sheet
  • Standby Generator Maintenance Kits
  • Tune-up Kit: Keep your generator running at optimum performance
  • Frequency: 60 Hertz
  • Designed to work with 20wK Guardian (999cc) air-cooled engines
  • Warranty: 1 Year


  • Overall: 4" H x 8" W x 8" D
  • Overall Product Weight: 5lbs

Generac Maintenance Kit for 20wK Home Standby Generators (999cc)

Additional Documents

Generac Brochure

Weights & Dimensions

  • Overall: 4" H x 8" W x 8" D
  • Product weight: 5 lbs
  • Overall Product Weight: 5lbs


Product Type: Generator maintenance kitNumber of Items Included: 1
Compatibility: 20KW 999CCCountry of Manufacture: United States

About the Manufacturer

Since 1959, Generac Power Systems, Inc. has been a leading, innovative manufacturer and marketer of portable and standby generators, automatic transfer switches, modular paralleling systems, and small engines for recreational vehicle, residential, and commercial applications. Generac’s power systems range in output from 2 to 9,000 kilowatts.

Generac Maintenance Kit for 20wK Home Standby Generators (999cc)

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When you buy a Generac Maintenance Kit for 20wK Home Standby Generators (999cc) online from Wayfair, we make it as easy as possible for you to find out when your product will be delivered. You can check on a delivery estimate for the Generac Part #: 6485 here. If you have any questions about your purchase or any other Generator Accessories product for sale our customer service representatives are available to help.Whether you just want to buy a Generac Maintenance Kit for 20wK Home Standby Generators (999cc) or shop for your entire home, Wayfair has a zillion things home.
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Wrong plugs for 20kW 999cc Generac

from Houma, La

Beware of this maintenance kit. I ordered this kit and [...] the spark plugs where incorrect for the 999cc engine. The spark plugs in the kit are Champion RC14YC4 rather than the RC12YC plugs designated in the operation manual of the 20KW Guardian/Generac generator with a 999cc engine. The RC14YC plugs are for the 990cc engine also with a larger gap setting. The oil filter in this kit was a 070185E which replaces the original 070185F filter. The air filter was the correct 0G5894 model.

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from Rockville, MD – Verified Buyer

Recieved on time, will purchase more in the future! Thank you!

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Generator back up for cabin

from Marion, NC – Verified Buyer

I purchased this generator for the purpose of back up electricity for my cabin, especially in the winter. With the 500 gallon propane tank I know we can survive for over a week should the need arise. Although it's only been hooked up for a few weeks, I have "played" with it and it runs perfectly each and every time. 15 seconds after I shut power off to the cabin, it fires up....each and every time. Best decision I have made for the cabin yet!

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Maintenance Kit for 20wK Home Standby Generators (999cc) is also sometimes listed under the following manufacturer numbers: 6485