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Generac 4389 Generator Set

The Generac 4389 is a generator set powered by a Generac GH-410,GT-990 engine. It holds about 1.5 L (0.4 gal) of oil.

0.41 L
Displacement
1.5 L
Oil capacity
3
Document types

Specifications

Oil capacity1.5 L

Engine

Generac GH-410,GT-990
Oil capacity1.5 L
Displacement0.41 L
Rated speed3600 rpm

Maintenance & consumables

for the Generac GH-410,GT-990
ItemSpecCapacityPart #Interval
Air filterGenerac Part # 0C81270C8127 NAPA $24.03 Amazon
Air filter find
Belt find
Coolant
Fuel filter find
Oil1.5
Oil filter find

Parts

7
Part #DescriptionQtySystem
070185Oil Filter1Oil filter NAPA $3.59 Amazon
0C5969Spark TesterSpark plug buy
0C8127Air Filter1Air filter NAPA $24.03 Amazon
4389-4758-4679Static Rotor Amp Draw Test Results - Model A, B, C, D, E, F, G, HService part / kit buy
4390-4760Static Rotor Amp Draw Test Results - Model A, B, C, D, E, F, G, HService part / kit buy
4456-4759Static Rotor Amp Draw Test Results - Model A, B, C, D, E, F, G, HService part / kit buy
4692Static Rotor Amp Draw Test Results - Model A, B, C, D, E, F, G, HService part / kit buy

Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.

Fuel consumption

RatingLoadL/hgal/h
Prime0%105.0
Standby0%74.0

Available documents

BrochureService manualWiring diagram

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New, used & surplus Generac 4389 units from generator dealers.

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