Piston cooling jet 3978746
| No. | Part Name | Part Number | Qty | Description |
| 1 | Cylinder block | 8192730 | 1 | |
| 3 | Pin | 422426 | 1 | |
| 4 | Flange screw | 8192738 | 14 | |
| 5 | Bushing | 422076 | 1 | |
| 6 | Bushing | 8192676 | 1 | |
| 7 | Bushing | 8192677 | 1 | |
| 8 | Bushing | 8192678 | 1 | |
| 9 | Bushing | 422080 | 1 | |
| 10 | Bushing | 8192679 | 1 | |
| 11 | Bushing | 422082 | 1 | |
| 12 | Cap plug | 955082 | 7 | |
| 13 | Pin | 191171 | 2 | |
| 14 | Plug | 422369 | 2 | |
| 15 | Expansion plug | 968955 | 6 | (941256) |
| 16 | Plug | 968145 | 1 | (952357) |
| 17 | Expansion plug | 420589 | 1 | |
| 18 | Plug | 968063 | 1 | |
| 19 | Plug | 479976 | 1 | (946559) |
| 20 | Inspection cover | 420120 | 1 | |
| 21 | Inspection cover | 420121 | 1 | |
| 22 | Splash plate | 3978045 | 1 | (471858) |
| 23 | Gasket | 421121 | 2 | |
| 24 | Cover | 471854 | 1 | |
| 25 | Spring pin | 951973 | 1 | |
| 26 | Shoulder screw | 471855 | 5 | |
| 27 | Sealing ring | 471856 | 5 | |
| 28 | Sealant | 1161231 | 1 | 304ml |
| 29 | Plug | 966146 | 1 | |
| 30 | Gasket | 947629 | 1 | |
| 31 | Nipple | 479954 | 1 | (190130) |
| 32 | Shut-off cock | 949918 | 1 | (82745) |
| 33 | Breather pipe | 3830922 | 1 | SN-2071159286 |
| 33 | Breather pipe | 3837361 | 1 | SN2071159286- |
| 34 | Sealing ring | 421158 | 1 | |
| 35 | Flange screw | 946440 | 1 | |
| 35 | Hexagon screw | 955224 | 1 | Replaced by 1pc 843401, 1pc 845851, 1pc 961248. |
| 37 | Flange screw | 965191 | 1 | |
| 37 | Flange screw | 965194 | 1 | |
| 40 | Piston cooling jet | 3978746 | 6 | |
| 41 | Sealing ring | 466874 | 6 | |
| 42 | Stud | 471596 | 6 | |
| 43 | Lock nut | 948570 | 6 | |
| 44 | Plug | 479979 | 3 | |
| 47 | Gasket | 469328 | 1 | |
| 48 | Plug | 467367 | 1 | |
| 49 | Plug | 968145 | 1 | (952357) |
| 50 | Expansion plug | 420589 | 1 | |
| 51 | Guide sleeve | 415311 | 4 | |
| 52 | Ventilation filter | 3825036 | 1 | |
| 53 | O-ring | 949722 | 1 | |
| 54 | Breather pipe | 3825013 | 1 | For TAD740GE, Alt |
| 54 | Breather pipe | 3839537 | 1 | For TWD740G, Alt |
| 55 | Spacer sleeve | 842351 | 1 | Spec.867277, 867278, 867300, 867301. |
| 56 | Flange screw | 968893 | 1 | |
| 19A | Plug | 940375 | 1 | Mounted in oil hole for camshaft |
| Item | Part Name | Part No. |
| 40 | Piston cooling jet 3978746 | 3978746 |
| Details | |
| Engine model | TWD740GE, TAD740GE, TAD741GE TWD740VE |
| Application | Cylinder Block |
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Tags: Piston cooling jet, Volvo Penta, 3978746