GENERAC 5656 Liquid Cooled Maintenance Kit for Models Rated From 45,000 to 60,000 W

The Generac 5656 kit is built for liquid cooled standby units rated from 45,000 to 60,000 watts. If your unit is air cooled, or falls outside that 45 kW to 60 kW band, this is the wrong kit and you need the service kit matched to your model's rating.

You get an air filter, an oil filter, spark plugs, an oil funnel, and a chamois. The oil filter is a spin-on canister type, and the kit carries four spark plugs, which is what a four cylinder liquid cooled unit takes for a full plug change in one service.

No oil is in the kit. Contents are the air filter, spin-on oil filter, four spark plugs, oil funnel, and chamois, so order the engine oil your generator's manual specifies separately, in the quantity your crankcase takes.

Generac's recommended interval for this kit is every 200 run hours or every 2 years, whichever comes first. For facilities running weekly exercise cycles plus outage hours, the hour meter usually gets there before the calendar does, so log run hours rather than scheduling by date alone. Your unit's owner's manual is the final word on the interval.

Plan on supplying your own filter wrench. The kit is filters, plugs, funnel, and chamois; the oil filter is a spin-on canister, so a band or cap style filter wrench sized to that canister is what you'll want on the truck.

The part is Generac 5656. It ships as a single kit, made in the United States, and covers one full service interval on a liquid cooled unit in the 45 kW to 60 kW range.

Yes, it's a sensible stocking item for MRO shelves covering multiple 45 kW to 60 kW liquid cooled Generac units, since every one of them takes the same air filter, oil filter, and four-plug set on the same 200 hour or 2 year cycle. Each kit weighs about 3 lbs packaged, so a dozen on a shelf takes very little space.