Generac Guardian 5665 Maintenance Kit
This maintenance kit is for the 20 kW Generac, Guardian, Centurion, Honeywell, Siemens, & Eaton series residential automatic home-standby generator.
This maintenance kit offers all the items necessary to perform complete maintenance on your automatic home-standby generator. the maintenance schedule recommends performing maintenance once per year - more frequently if running in a dusty environment or after prolonged use.
Your generator model number is located inside the generator enclosure on the divider plate near the control panel.
Always refer to the generator owner's manual for specific maintenance information including the exact oil capacity of the engine and to verify the correct part number(s)that you are needing. Image may not reflect the actual shape and size of item. Always refer to your owners manual.
(1) Air Filter - 0G5894
(1) Oil FIlter - 070185E/F
(2) Spark Plugs - 0G0767A
(1) Shop Towel
Technical Specs & Downloads
ReliableProduct Review Rating: 4/5
Posted by Tom on May 10, 2016
Dependable and reasonably priced
Efficient service and shippingProduct Review Rating: 5/5
Posted by John L. on Feb 23, 2015
"Submitted on October 27, 2014
Dom took my phone order on 10/13/14 shipped it to me on 10/14/14. I received parts on 10/16/14 and installed them that day. Your companies service was very good. Thank You"
Accurate and fast shippingProduct Review Rating: 5/5
Posted by James T. on Feb 23, 2015
"Submitted on October 26, 2014
Everything that was ordered was shipped promptly...and upon checking the order, everything that was requested was shipped."
Great savingsProduct Review Rating: 5/5
Posted by Craig Bline on Feb 23, 2015
"Submitted on September 03, 2013
Good product, great price. I am a do it yourself maintenance man and this was a great value."
Prompt service and deliveryProduct Review Rating: 5/5
Posted by wayne acito on Feb 23, 2015
"Submitted on October 01, 2012
Over the past couple years I've purchased only a few of these items from your online store and I can say that your service is prompt and your website is easy to use. I will not shop anywhere else for generac generator maintenance parts and kits, oh and free shipping is great!"
Good valueProduct Review Rating: 5/5
Posted by Unknown on Feb 23, 2015
"Submitted on August 21, 2012
Turn-around time was excellent! Product was just as described and un-damaged. A good value."
EVERY THING NEEDED AND SHIPING WAS FASTProduct Review Rating: 5/5
Posted by lonnie leone on Feb 23, 2015
"Submitted on August 13, 2012
THANK YOU VERY MUCH AP IS #1 IN MY BOOK"
Exact factory replacement at 40% less cost.Product Review Rating: 5/5
Posted by Francis Stephen on Feb 23, 2015
"Submitted on April 23, 2012
I spent 2 trips and 2 1/2 at an auto parts store with air filter and oil filter in my hand and they could not duplicate. I spent 5 min. at AP's web sight and had my parts in 4 days. Thank you"
Received in 3 daysProduct Review Rating: 5/5
Posted by John Daniels on Feb 23, 2015
"Submitted on February 28, 2012
Thank you for kit ,and it was ship fast too,about 3 days.,they were right sizes too.Thank you again."
Received quicklyProduct Review Rating: 5/5
Posted by Laurence McCarthy on Feb 23, 2015
"Submitted on November 01, 2011
All items received quickly and all worked fine. Will continue to use you and recommend to friends."
This was a good compilation of products to purchase everything at one time.Product Review Rating: 4/5
Posted by rich on Feb 23, 2015
"Submitted on September 30, 2011
The directions were decent but there was not a spark plug gap listed. I had to stop the work and dig out the manual. Other than that this was a good purchase for the cost."
Received in 2 daysProduct Review Rating: 5/5
Posted by Unknown on Feb 23, 2015
"Submitted on September 06, 2011
Thank you for the best service I have ever had. I got my oder in 2 days!!!!"
This kit saves moneyProduct Review Rating: 5/5
Posted by Steve T on Feb 23, 2015
"Submitted on May 25, 2011
quick ship and got everything I needed to maintain my Generac Guardian generator. This DIY kit saves you money."
Looks greatProduct Review Rating: 5/5
Posted by Joanne Thilson on Feb 23, 2015
"Submitted on May 17, 2011
Delivered as described, thanks AP"
Very good company to work with.Product Review Rating: 5/5
Posted by Damir S. Skerl on Feb 23, 2015
"Submitted on March 13, 2011
Really professional job well done!"
I am always happy with their products and services.Product Review Rating: 5/5
Posted by Sam Morgan on Feb 23, 2015
Submitted on January 17, 2011
I bought the generator from AP and I buy the maintenance stuff from AP.