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Pump Assembly – Parts
USE ONLY GENUINE GRACO PARTS AND ACCESSORIES
Ref.
No.
Part No.
Description
Qty
Ref.
No.
Part No.
Description
Qty
1
801–467
MANIFOLD
1
803–504
MANIFOLD, 3500 & 4000 psi
1
2
801–468
SCREW, Cap, hex hd
8
3
801–469
WASHER, lock
8
4
KIT 1
O-RING
5
KIT 1
SEAT, Valve
6
KIT 1
PLATE, Valve
7
KIT 1
SPRING
8
KIT 1
GUIDE, Valve
9
KIT 4 or 106 O-RING
10
KIT 4 or 106 CAP
11
KIT 1
VALVE ASSEMBLY
12
803–283
SCREW, Cap, socket hd
8
13
803–284
COVER, Crankcase.
1
803–506
COVER, Crankcase,
3500 & 4000 psi
1
14
802–500
O–RING, Crankcase Cover
2
15
803–324
BEARING, Tapered Roller
2
16
KIT 2
SEAL, Oil
17
803–286
BUSHING, Piston
1
18
802–895
CRANKCASE
1
803–501
CRANKCASE,
3500 & 4000 psi
1
19
801–475
DIPSTICK
1
20
803–144
GASKET, Cover
1
21
803–287
CRANKSHAFT
1
22
803–288
RING, Retaining
6
23
802–794
KEY
1
24
803–289
PIN, Wrist
3
25
803–325
GUIDE, Piston, 3000 psi
3
803–503
GUIDE, Piston,
3500 & 4000 psi
3
26
803–291
ROD, Connecting
3
27
803–292
SCREW, Cap, socket hd
5
28
803–293
COVER, Crankcase
1
803–507
COVER, Crankcase,
3500 & 4000 psi
1
29
802–345
GAUGE, Sight
1
30
802–793
PLUG, Oil Drain
1
31
KIT 6 or 107 O-RING
32
803–294
SCREW, Cap, socket hd
6
33
8033–652
WASHER, Lock
6
34
KIT 6 or 107 WASHER, Flinger
3
35
801–490
PLUNGER, Ceramic
3
803–502
PLUNGER, Ceramic
3
36
KIT 6 or 107 RING, Backup.
37
KIT 6 or 107 WASHER
38
KIT 6 or 107 SCREW, Piston
39
803–295
COVER, Crankcase
1
803–505
COVER, Crankcase,
3500 & 4000 psi
1
40
803–296
SHIM
2
41
KIT 3
SEAL, Oil
42
KIT 28 or 112 O-RING
43
KIT 28 or 112 RETAINER, Packing
44
KIT 28 or 112 PACKING
Kit 8 or 109
45
KIT 28 or 112 RING, Head
46
KIT 28 or 112 RETAINER, Packing
47
KIT 28 or 112 RING, Long Life
48
801–526
BRACKET, Pump
2
49
802–305
SCREW, Cap, socket hd
2
50
802–304
WASHER, Lock
2
51
801–482
PLUG, Hex
1
52
801–483
WASHER, Flat
1
53
801–484
PLUG, Hex
1
54
801–485
WASHER, Flat
1
55
801–624
PUMP, 3000 psi
1
803–508
PUMP, 3500 & 4000 psi
1
56
803–083
LABEL, Keep From Freezing
1
3000 psi
1
803–517
LABEL, Keep From Freezing
3500 & 4000 psi
1
57
802–085
NIPPLE 1/2
1
58
801–106
TEE 1/2
1
59
800–113
FILTER (see Instruction
Manual 801–744)
1
60
801–111
NUT, Garden Hose
1
61
801–110
ADAPTER, Garden Hose
1
62
801–112
STRAINER, Garden Hose
1
63
803–141
HOSE, Bypass
1
64
803–142
NIPPLE, Hex 1/2 NPSM x
3/8 NPT 3000 psi
1
802–534
NIPPLE, Hex 1/2 NPSM x
1/2 NPT, 3500 & 4000 psi
1
65
800–325
UNLOADER, 3000 psi
1
800–689
UNLOADER, 3500 psi
800–427
UNLOADER, 4000 psi
1
66
801–868
NIPPLE, Hex 3/8, 3000 psi
1
801–236
NIPPLE, Hex 1/2x3/8,
3500 & 4000 psi
2
67
801–568
COUPLER, Male 3/8
1
1/30/95
3X8–525 Rev. D