Generac 004451 User Manual
Page 27
25
ITEM
PART NO. QTY.
DESCRIPTION
1
0C5729
1
ASSEMBLY, CRANKCASE HOUSING
WITH SLEEVE
2
0C3008
1
SEAL, 38 I.D. CRANKSHAFT
3
090388
8
SCREW, TAPTITE M6-1.0 X 12 BP
4
0C5372
1
ASSEMBLY, BREATHER
5
0C3005
1
GASKET, BREATHER COVER
6
0C3003
3
SEPARATOR, OIL BREATHER
7
0D8067A
1
ASSEMBLY, HEAD #1
8
071983
4
RETAINER, PISTON PIN 20
9
0D5269
1
ROCKER, COVER
10
043790A
1
BARBED EL 90 3/8NPT X 3/8
11
0C2967
2
PISTON, LC
12
021533
2
SET, PISTON RING 90MM
13
071980
2
PIN PISTON D20
14
0D4041
1
ASSEMBLY, CAMSHAFT & GEAR
15
0D4788
2
PLUG STD PIPE 3/8 STEEL SQ HD
16
093064
1
ASSEMBLY, OIL FILL CAP
17
0C2977
1
GASKET, CRANK CASE
18
0C5943
1
SEAL, OIL PASSAGE
19
0D4040E
1
ASSEMBLY, CRANKSHAFT
HORIZONTAL DIRECT DRIVE
(GT-990)
19
0D4122E
1
ASSEMBLY, CRANKSHAFT
HORIZONTAL DIRECT DRIVE
(GT-760)
20
0C2969
2
ASSEMBLY, CONNECTING ROD
(GT-990)
20
0D3961
2
ASSEMBLY, CONNECTING ROD
(GT-760)
21
0D2157
2
SCREW SHC M6-1.0 X 50 G8.8
22
0C5313
1
SCREEN, OIL PICKUP
23
0D4123
1
ASSEMBLY, OIL PUMP
24
078699E
2
SLEEVE, SEAMED DOWEL 10 DIA.
25
0C3011
2
COVER, OIL RELIEF
26
0C3009
2
SPRING, OIL RELIEF
27
0C3010
2
BALL, 1/2D OIL RELIEF
28
093873
2
WASHER, LOCK RIB M6
29
0C5315
1
GEROTOR, OUTER
30
0C5998
1
CLAMP, OIL TUBE
31
0D4497
1
PLUG-CRANKCASE GOVERNOR
BORE
32
0C3971E
1
ASSEMBLY, DIPSTICK WITH
HANDLE
33
0D3745
1
TUBE, DIPSTICK
34
0C3027
3
O-RING, OIL CLR
35
0C3007
1
SEAL, 42 I.D. CRANKSHAFT
36
0C5731
1
ASSEMBLY, HOUSING COVER WITH
SLEEVE
ITEM
PART NO. QTY.
DESCRIPTION
37
0C3006
11
SCREW, HHFC M10-1.5 X 55
38
0C8566
8
SCREW HHFC M6-1.0 X 20
39
0C8808
2
HOOK, LIFTING
40
0C2981
1
ROCKER, COVER
41
0C2979
2
GASKET, VALVE COVER
42
086515
8
KEEPER, VALVE SPRING
43
0D2274
4
RETAINER, VALVE SPRING
44
0D3867
4
SPRING, VALVE
45
078672
2
SEAL, VALVE STEM D7
46
0C5371
4
WASHER, VALVE SPRING
47
072694
4
STUD, D20 PIVOT BALL
49
0D5313
4
ROCKER ARM
50
0D3998
4
NUT, HEX M8-1.0 GB YELLOW
CHROME
51
0D6024
2
PLATE, PUSH ROD GUIDE
52
0C2976
12
SCREW HHFC M8-1.25 X 65
53
086516
2
VALVE, EXHAUST
54
0C2229
2
VALVE, INTAKE
55
083897
4
TAPPET, SOLID
56
0D8067B
1
ASSEMBLY, HEAD #2
57
0D9853D
4
PUSHROD 144.6
58
0C2978
2
GASKET, HEAD (GT-990)
0D9000
2
GASKET, HEAD (GT-760)
59
0D6008
1
KIT GEAR COVER
60
0D4010
1
KIT GASKET
61
0D6007
1
KIT PISTON & RINGS
62
0D4012
1
KIT BREATHER ASSEMBLY
63
0D8675A
1
KIT HEAD ASSEMBLY CYLINDER 1
64
0D8675B
1
KIT HEAD ASSEMBLY CYLINDER 2
65
0D4015
1
KIT OIL RELIEF
Section 7 — Exploded Views and Parts Lists
Commercial-Industrial-Residential Portable Generator System
GT-990 & GT-760 Engine (Page 1) – Drawing No. 0E0034
Item 59 (Kit) includes items 3, 30, 35 & Kit item 64
Item 60 (Kit) includes items 2, 5, 17, 18, 34, 35, 40, 57, 139, 153.
Item 61 (Kit) includes items 8, 11, 12, 13
Item 62 (Kit) includes items 4, 5, 6
Item 63 (Kit) includes items 7, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52,
53, 54
Item 64 (Kit) includes items 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53,
54, 56
Item 65 (Kit) includes items 25, 26, 27