Pump Assembly – Parts
USE ONLY GENUINE GRACO PARTS AND ACCESSORIES
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No. | Part No. | Description | Qty | No. | Part No. | Description | Qty |
1 | MANIFOLD | 1 | 37 | KIT 6 or 107 | WASHER |
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| MANIFOLD, 3500 & 4000 psi | 1 | 38 | KIT 6 or 107 | SCREW, Piston |
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2 | SCREW, Cap, hex hd | 8 | 39 | COVER, Crankcase | 1 | ||
3 | WASHER, lock | 8 |
| COVER, Crankcase, |
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4 | KIT 1 |
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| 3500 & 4000 psi | 1 | |
5 | KIT 1 | SEAT, Valve |
| 40 | SHIM | 2 | |
6 | KIT 1 | PLATE, Valve |
| 41 | KIT 3 | SEAL, Oil |
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7 | KIT 1 | SPRING |
| 42 | KIT 28 or |
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8 | KIT 1 | GUIDE, Valve |
| 43 | KIT 28 or 112RETAINER, Packing |
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9 | KIT 4 or 106 |
| 44 | KIT 28 or 112PACKING |
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10 | KIT 4 or 106 | CAP |
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| Kit 8 or 109 |
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11 | KIT 1 | VALVE ASSEMBLY |
| 45 | KIT 28 or 112RING, Head |
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12 | SCREW, Cap, socket hd | 8 | 46 | KIT 28 or 112RETAINER, Packing |
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13 | COVER, Crankcase. | 1 | 47 | KIT 28 or 112RING, Long Life |
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| COVER, Crankcase, |
| 48 | BRACKET, Pump | 2 | ||
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| 3500 & 4000 psi | 1 | 49 | SCREW, Cap, socket hd | 2 | |
14 | 2 | 50 | WASHER, Lock | 2 | |||
15 | BEARING, Tapered Roller | 2 | 51 | PLUG, Hex | 1 | ||
16 | KIT 2 | SEAL, Oil |
| 52 | WASHER, Flat | 1 | |
17 | BUSHING, Piston | 1 | 53 | PLUG, Hex | 1 | ||
18 | CRANKCASE | 1 | 54 | WASHER, Flat | 1 | ||
| CRANKCASE, |
| 55 | PUMP, 3000 psi | 1 | ||
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| 3500 & 4000 psi | 1 |
| PUMP, 3500 & 4000 psi | 1 | |
19 | DIPSTICK | 1 | 56 | LABEL, Keep From Freezing | 1 | ||
20 | GASKET, Cover | 1 |
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| 3000 psi | 1 | |
21 | CRANKSHAFT | 1 |
| LABEL, Keep From Freezing |
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22 | RING, Retaining | 6 |
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| 3500 & 4000 psi | 1 | |
23 | KEY | 1 | 57 | NIPPLE 1/2 | 1 | ||
24 | PIN, Wrist | 3 | 58 | TEE 1/2 | 1 | ||
25 | GUIDE, Piston, 3000 psi | 3 | 59 | FILTER (see Instruction |
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| GUIDE, Piston, |
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| Manual | 1 | |
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| 3500 & 4000 psi | 3 | 60 | NUT, Garden Hose | 1 | |
26 | ROD, Connecting | 3 | 61 | ADAPTER, Garden Hose | 1 | ||
27 | SCREW, Cap, socket hd | 5 | 62 | STRAINER, Garden Hose | 1 | ||
28 | COVER, Crankcase | 1 | 63 | HOSE, Bypass | 1 | ||
| COVER, Crankcase, |
| 64 | NIPPLE, Hex 1/2 NPSM x |
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| 3500 & 4000 psi | 1 |
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| 3/8 NPT 3000 psi | 1 |
29 | GAUGE, Sight | 1 |
| NIPPLE, Hex 1/2 NPSM x |
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30 | PLUG, Oil Drain | 1 |
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| 1/2 NPT, 3500 & 4000 psi | 1 | |
31 | KIT 6 or 107 |
| 65 | UNLOADER, 3000 psi | 1 | ||
32 | SCREW, Cap, socket hd | 6 |
| UNLOADER, 3500 psi |
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33 | WASHER, Lock | 6 |
| UNLOADER, 4000 psi | 1 | ||
34 | KIT 6 or 107 | WASHER, Flinger | 3 | 66 | NIPPLE, Hex 3/8, 3000 psi | 1 | |
35 | PLUNGER, Ceramic | 3 |
| NIPPLE, Hex 1/2x3/8, |
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| PLUNGER, Ceramic | 3 |
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| 3500 & 4000 psi | 2 | |
36 | KIT 6 or 107 | RING, Backup. |
| 67 | COUPLER, Male 3/8 | 1 |