Generac G19 user guide
Engine Parts Manual
389cc (G19)
NOTICE!
The information in this manual is known to be accurate as of the date of release shown on the cover. However,
engineering changes can occur without notice. To obtain the proper parts, please be sure to use the serial
number of the unit being serviced when ordering from this manual. Always to refer to any parts notes and
changes before ordering. All other parts not shown in this manual can be found on Generac’s exploded view
drawings online on GENservice at www.generac.com.
www.generac.com or 1-888-436-3722
Engine
389cc ENGINE
ITEM PART NO. QTY. DESCRIPTION
1 0G8442C 1 ENGINE G390FA
2
3
4
5
0J00620100
0H9761
0G84420194
0G8442C112
1
1
1
1
BOLT, FLANGE M5*10
COVER, DUST
BOLT, FLANGE M6*12
BRACKET, AIR CLEANER
2
Cylinder Head
389cc ENGINE
ITEM PART NO. QTY. DESCRIPTION
1 0J39340111 6 BOLT, FLANGE
2 0J39340112 1 COVER, HEAD
3 0J39340113 1 GASKET, HEAD COVER
4 0J39340114 1 TUBE, BREATHER
5 0G84420211 4 BOLT, FLANGE, 10×80
6 0G84420210 2 BOLT, STUD, EXHAUST
7 0J00620106 1 SPARK PLUG
8 0J39340115 1 CYLINDER HEAD
9 0J39340116 1 GASKET, CYLINDER
10 0G84420212 2 DOWEL, PIN
11 0K0090 2 BOLT, STUD, INTAKE
12 0G84420194 1 BOLT, FLANGE M6×12
13 0J39340117 1 SHROUD
3
Crankcase
389cc ENGINE
ITEM PART NO. QTY. DESCRIPTION
1 0G84420217 2 BOLT, FLANGE, 6×14
2 0G84420105 1 SWITCH ASSY., OIL LEVEL
3 0G84420118 1 BEARING, RADIAL BALL, 6202
4 0G84420218 1 WASHER,8*16*1.2
5 0G84420219 1 PIN, LOCK, 10MM
6 0G84420220 1 SHAFT, GOVERNOR ARM
7 0G84420108 1 OIL SEAL, 8×14×4
8 0G84420110 2 BOLT, DRAIN PLUG
9 0G84420109 2 WASHER
10 0G8442C110 1 CRANKCASE
11 0G84420267 1 CLIP
12 0G84420194 1 BOLT, FLANGE, 6×12
13 0G84420112 1 ALERT UNIT, OIL
14 0G84420194 1 BOLT, FLANGE, 6×12
4
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