Generac Power Systems Guardian ULTRA SOURCE 004583-0 - Page 37

ITEM PART NO. QTY. DESCRIPTION
1 0C5729 1 ASSEMBLY, CRANKCASE HOUSING
WITH SLEEVE
2 0E9843 1 SEAL, 38 I.D. CRANKSHAFT
3 090388 3 SCREW, TAPTITE M6-1.0 X 12 BP
4 0C5372 1 ASSEMBLY, BREATHER
5 0C3005 1 GASKET, BREATHER COVER
6 0E3372B 1 SEPARATOR, OIL BREATHER
7 0D8067A 1 ASSEMBLY, HEAD #1
8 071983 4 RETAINER, PISTON PIN 20
9 0G0693 1 ASSY, ROCKER COVER W/BARB
10 043790 1 BARBED EL 90 3/8NPT X 3/8
11 0E2950 2 PISTON, LC (GT-990)
0E2985 2 PISTON, HC (GT-760)
12 021533 2 SET, PISTON RING 90MM
13 0E1466 2 PIN PISTON
14 0D4041 1 ASSEMBLY, CAMSHAFT & GEAR
16 093064 1 ASSEMBLY, OIL FILL CAP
17 0C2977 1 GASKET, CRANK CASE
18 0C5943 1 SEAL, OIL PASSAGE
19 0E3791E 1 ASSEMBLY, CRANKSHAFT
HORIZONTAL DIRECT DRIVE (GT-
990)
0E3790E 1 ASSEMBLY, CRANKSHAFT
HORIZONTAL DIRECT DRIVE (GT-
760)
20 0E3223 2 ASSEMBLY, CONNECTING ROD (GT-
990)
0E3222 2 ASSEMBLY, CONNECTING ROD (GT-
760)
21 0D2157 2 SCREW SHC M6-1.0 X 50 G8.8
22 0E6098 1 SCREEN, OIL PICKUP
23 0G1536 1 ASSEMBLY, OIL PUMP
24 0E8152 1 O-RING, 0.49 ID X 0.07 THICK
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 0F5458 1 SCREW, PLASTITE HI-LOW #10
30 0C5998 1 CLAMP, OIL TUBE
31 0D4497 1 PLUG-CRANKCASE GOVERNOR
BORE
ITEM PART NO. QTY. DESCRIPTION
32 0C3971E 1 ASSEMBLY, DIPSTICK WITH
HANDLE
33 0D3745 1 TUBE, DIPSTICK
34 0C3027 3 O-RING, OIL CLR
35 0E9842 1 SEAL, 42 I.D. CRANKSHAFT
36 0C5731 1 ASSEMBLY, GEAR COVER W/
SLEEVE
37 0C3006 10 SCREW, HHFC M10-1.5 X 55
38 080318 8 SCREW HHFC M6-1.0 X 25
39 0G1839 2 LIFT HOOK, GT990/760
40 0D2723D 1 COVER, ROCKER W/OIL FILL
“GENERAC” TEXT
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, ROCKER ARM PIVOT
48 0C3027 2 O-RING, 3/8” X 1/2”
49 0D5313 4 ROCKER ARM
50 0D3998 4 NUT, HEX M8-1.0 GB YELLOW
CHROM
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 147
58 0C2978 2 GASKET, HEAD
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 9 — Exploded Views and Parts Lists
GT-990 & GT-760 Engine (Page 1) – Drawing No. 0E8589-Y
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