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21M-970-K990 VALVE KOMATSU parts
PC290, PC350, PC450

EXCAVATORS,
Number on catalog scheme:
1

60
63
62
61
72
71
70
64
65
66
73
80
69
68
67
12
11
10
9
97
96
74
75
76
79
78
77
13
94
95
99
82
53
98
81
102
84
83
86
88
89
6
7
8
45
23
47
85
103
87
88
89
92
93
50
21
22
50
90
91
100
3
46
19
18
17
4
52
51
39
38
42
41
40
1
2
59
58
57
26
25
24
27
28
29
37
14
15
16
101
20
33
30
31
34
35
32
36
55
Catalogs:
- TILT CAB CONTROL PIPING (CAB REAR) » 21M-970-K990
- TILT CAB CONTROL PIPING (CAB REAR) » 21M-970-K990
- TILT CAB CONTROL PIPING (CAB REAR) » 21M-970-K990
Parts valve KOMATSU catalog:
203-60-K1131
VALVE ASS'Y
PC120, PC130, PC150HD, PC150NHD, PC180, PC180L
PC120, PC130, PC150HD, PC150NHD, PC180, PC180L
418-S95-2850
VALVE ASS'Y
WA200, WA250
WA200, WA250
177-04-11180
VALVE
D155W
D155W
428-15-15560
VALVE
WA700
WA700
56D-15-19320
VALVE ASS'Y
HM250, HM300, HM300TN
HM250, HM300, HM300TN
427-S31-2201
VALVE ASS'Y
WA800, WA900
WA800, WA900
21S-973-F250
VALVE
PC03
PC03
418-878-1440
VALVE ASS'Y,(FOR SIDE SHIFT)
WA200, WA300, WA350, WA400
WA200, WA300, WA350, WA400
702-73-01620
VALVE ASS'Y,RELIEF
HM400, WA600, WD600
HM400, WA600, WD600
568-30-71600
VALVE
HD465, HD605
HD465, HD605
724-00-13000
VALVE ASS'Y
PC08UU
PC08UU