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Selected by Jared, our Expert
Optional Accessories
4
$76.50
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Model: 08732-0800
$6.50
In-Stock
Model: THP101
$13.99
Factory-Direct
$40.99
Only 2 In-Stock
Features
- Designed For Generac, UltraSource & GP EFI Portable Generators
- Models 4582, 4583, 4734, 4735, 5396, 5734, 5735, 7705 & 8917
- Tune-Up Kit
- Keep your generator running at optimum performance
- Included Pieces
- Oil Filter
- Funnel
- Air cleaner element
- Two spark plugs
- Preventative maintenance stickers
California residents see
Warning: This product can expose you to chemicals including Di-n-butyl phthalate (DBP) which is known to the State of California to cause Developmental Harm.
For more information go to: www.p65Warnings.ca.gov
Specifications
5721

General Information
Product Category
Generator Accessories
Overview
Product Category
Generator Accessories
Weight
2 Pounds
Made in USA
Yes
Product Length
12 Inches
Product Width
12 Inches
Product Height
6 Inches
UPC
696471057218
Product Specs
Frequency
60 Hertz
Reviews
(8)
Generac 5721 Reviews & Ratings

Generac 17.5 Kw Generator
By Richard D
Florida
Review Posted 12/10/2022
Ran for 96 hours straight during and after hurricane Ian. Provided power for a 4 ton central AC, 2 fridges, 1 freezer. In addition, all lighting and a TV on constantly. I didn’t power the electric water heater until the 3rd day. For that, I turned off the AC for about 3 hours to get hot water for showers. The generator worked flawlessly.
Richard D Recommends This
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Manufacturer Response
Thank you for taking time out of your day to provide us with your valuable feedback. If you run into any questions, please give us a call at 888-436-3722!

Rating Breakdown
5/5
5/5
5/5
5/5
Pros:
Easy To Use, Price, I'd Buy It Again
Cons:
Heavy
Definitely Needed With Todays Fuel
By Ronald S.
LAKE WORTH, Florida
Review Posted 08/26/2021
Always need a tune up kit.
Ronald S. Recommends This
Was this review helpful?
Manufacturer Response
Thank you for taking time out of your day to provide us with your valuable feedback. If you run into any questions, please give us a call at 888-436-3722!

Rating Breakdown
5/5
5/5
5/5
5/5
Pros:
Reliable, Easy To Store, Id Buy It Again

POWER ON A CART
By Charles B.
Port Saint Lucie, Florida
Purchased 06/07/2020 |
Review Posted 07/21/2020
This generator has it all. But just a few things could be added to make it better. As the warranty states "If changes are made by anyone except a Generac dealer, warranty is null and void". To store unit, owners manual states "drain gas from tank" where is the drain? You must take unit to a dealer to have a drain installed, If you disconncet line from gas tankor carburator you may break plastic fittings.
Charging the battery. A simple electronic circuit added to generator can charge a battery with out fear of ""overcharging" instead of having to connect wires to battery and then if not disconnected, does one know if the battery is under, fully or overcharged?
Thank You,
Electonics Man
Charging the battery. A simple electronic circuit added to generator can charge a battery with out fear of ""overcharging" instead of having to connect wires to battery and then if not disconnected, does one know if the battery is under, fully or overcharged?
Thank You,
Electonics Man
Charles B. Recommends This
Was this review helpful?
Manufacturer Response
Thank you for the rating, we appreciate your feedback. If you have any questions, please do not hesitate to contact our customer support team at 888-GENERAC (436-3722).

Rating Breakdown
4/5
5/5
5/5
5/5
Pros:
Durable, Easy To Use, Price
Cons:
Heavy

Excellent
By Gustavo F.
Weston, Florida
Purchased 10/23/2018 |
Review Posted 12/26/2018
Excellent product great price.
Gustavo F. Recommends This
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Manufacturer Response
Thank you for the great review, we appreciate your feedback. If you any questions, please do not hesitate to contact our customer support team at 888-GENERAC (436-3722).

Rating Breakdown
5/5
5/5
5/5
5/5
Pros:
Durable, Light Weight

Everything That Was Needed To Service 15kw System
By Jon G.
Fort Lauderdale, Florida
Purchased 09/18/2017 |
Review Posted 10/12/2017
I have a 12 yr old Generac 15kw gen. I service it every time it is in use. Just ran for 8 days solid with loss of power after hurricane Irma went through South Florida. EGD sent the service package quickly, and everything was included for me to service my system and get it ready for the next use.
Jon G. Recommends This
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Rating Breakdown
5/5
5/5
5/5
5/5
Pros:
I'd Buy It Again

good job
By Cotton H.
St Louis, Missouri
Purchased 01/13/2015 |
Review Posted 02/04/2015
needed parts, a co-worker told me about this site. I ordered from here and received the parts within a few days! Great job
Cotton H. Recommends This
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Rating Breakdown
5/5
5/5
5/5
5/5
Generac Maintenance Kit
By Stan
Jacksonville, Florida
Review Posted 09/11/2011
Good service and Price
Was this review helpful?
Rating Breakdown
5/5
5/5
5/5
5/5
Generac Maintenance Kit
By Stan
Jacksonville, Florida
Review Posted 09/11/2011
Good service and Price
Was this review helpful?
Rating Breakdown
5/5
5/5
5/5
5/5
Product Q&A
(1)

Product Questions
Answered by Jared, the Generator Expert
Which generators is this kit compatible with?
Jeannine
from Massachusetts
September 17, 2020
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