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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 | 801±467 | MANIFOLD | 1 | 37 | KIT 6 or 107 | WASHER |
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| 803±504 | MANIFOLD, 3500 & 4000 psi | 1 | 38 | KIT 6 or 107 | SCREW, Piston |
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2 | 801±468 | SCREW, Cap, hex hd | 8 | 39 | 803±295 | COVER, Crankcase | 1 |
3 | 801±469 | WASHER, lock | 8 |
| 803±505 | COVER, Crankcase, |
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4 | KIT 1 |
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| 3500 & 4000 psi | 1 | |
5 | KIT 1 | SEAT, Valve |
| 40 | 803±296 | SHIM | 2 |
6 | KIT 1 | PLATE, Valve |
| 41 | KIT 3 | SEAL, Oil |
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7 | KIT 1 | SPRING |
| 42 | KIT 28 or 112 |
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8 | KIT 1 | GUIDE, Valve |
| 43 | KIT 28 or 112 RETAINER, Packing |
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9 | KIT 4 or 106 |
| 44 | KIT 28 or 112 PACKING |
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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 112 RING, Head |
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12 | 803±283 | SCREW, Cap, socket hd | 8 | 46 | KIT 28 or 112 RETAINER, Packing |
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13 | 803±284 | COVER, Crankcase. | 1 | 47 | KIT 28 or 112 RING, Long Life |
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| 803±506 | COVER, Crankcase, |
| 48 | 801±526 | BRACKET, Pump | 2 |
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| 3500 & 4000 psi | 1 | 49 | 802±305 | SCREW, Cap, socket hd | 2 |
14 | 802±500 | O±RING, Crankcase Cover | 2 | 50 | 802±304 | WASHER, Lock | 2 |
15 | 803±324 | BEARING, Tapered Roller | 2 | 51 | 801±482 | PLUG, Hex | 1 |
16 | KIT 2 | SEAL, Oil |
| 52 | 801±483 | WASHER, Flat | 1 |
17 | 803±286 | BUSHING, Piston | 1 | 53 | 801±484 | PLUG, Hex | 1 |
18 | 802±895 | CRANKCASE | 1 | 54 | 801±485 | WASHER, Flat | 1 |
| 803±501 | CRANKCASE, |
| 55 | 801±624 | PUMP, 3000 psi | 1 |
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| 3500 & 4000 psi | 1 |
| 803±508 | PUMP, 3500 & 4000 psi | 1 |
19 | 801±475 | DIPSTICK | 1 | 56 | 803±083 | LABEL, Keep From Freezing | 1 |
20 | 803±144 | GASKET, Cover | 1 |
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| 3000 psi | 1 |
21 | 803±287 | CRANKSHAFT | 1 |
| 803±517 | LABEL, Keep From Freezing |
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22 | 803±288 | RING, Retaining | 6 |
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| 3500 & 4000 psi | 1 |
23 | 802±794 | KEY | 1 | 57 | 802±085 | NIPPLE 1/2 | 1 |
24 | 803±289 | PIN, Wrist | 3 | 58 | 801±106 | TEE 1/2 | 1 |
25 | 803±325 | GUIDE, Piston, 3000 psi | 3 | 59 | 800±113 | FILTER (see Instruction |
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| 803±503 | GUIDE, Piston, |
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| Manual 801±744) | 1 |
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| 3500 & 4000 psi | 3 | 60 | 801±111 | NUT, Garden Hose | 1 |
26 | 803±291 | ROD, Connecting | 3 | 61 | 801±110 | ADAPTER, Garden Hose | 1 |
27 | 803±292 | SCREW, Cap, socket hd | 5 | 62 | 801±112 | STRAINER, Garden Hose | 1 |
28 | 803±293 | COVER, Crankcase | 1 | 63 | 803±141 | HOSE, Bypass | 1 |
| 803±507 | COVER, Crankcase, |
| 64 | 803±142 | 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 | 802±345 | GAUGE, Sight | 1 |
| 802±534 | NIPPLE, Hex 1/2 NPSM x |
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30 | 802±793 | PLUG, Oil Drain | 1 |
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| 1/2 NPT, 3500 & 4000 psi | 1 |
31 | KIT 6 or 107 |
| 65 | 800±325 | UNLOADER, 3000 psi | 1 | |
32 | 803±294 | SCREW, Cap, socket hd | 6 |
| 800±689 | UNLOADER, 3500 psi |
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33 | 8033±652 | WASHER, Lock | 6 |
| 800±427 | UNLOADER, 4000 psi | 1 |
34 | KIT 6 or 107 | WASHER, Flinger | 3 | 66 | 801±868 | NIPPLE, Hex 3/8, 3000 psi | 1 |
35 | 801±490 | PLUNGER, Ceramic | 3 |
| 801±236 | NIPPLE, Hex 1/2x3/8, |
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| 803±502 | PLUNGER, Ceramic | 3 |
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| 3500 & 4000 psi | 2 |
36 | KIT 6 or 107 | RING, Backup. |
| 67 | 801±568 | COUPLER, Male 3/8 | 1 |
3X8±525 Rev. D 1/30/95