Gear 820637
| No. | Part Name | Part Number | Qty | Description |
| 1 | Sea water pump | 837371 | 1 | |
| 2 | Spacer | 820695 | 1 | |
| 3 | O-ring | 925095 | 1 | |
| 4 | Gasket | 413619 | 1 | |
| 5 | Hexagon screw | 940114 | 3 | |
| 6 | Spring washer | 942336 | 3 | |
| 7 | Hexagon screw | 955576 | 3 | |
| 7 | Hexagon screw | 955577 | 2 | Forged pistons., L=38mm |
| 8 | Spring washer | 941911 | 3 | |
| 9 | Gear | 820637 | 1 | See group 2A |
| 10 | Pin | 950564 | 1 | |
| 11 | Woodruff key | 942406 | 1 | SEE GROUP 2A |
| 12 | Hexagon nut | 955860 | 1 | |
| 13 | Tab washer | 942735 | 1 | |
| 14 | Anchorage | 837276 | 1 | |
| 15 | Sealing ring | 807957 | 2 | |
| 16 | Nut | 6606324 | 2 |
| Item | Part Name | Part No. |
| 9 | Gear 820637 | 820637 |
| Details | |
| Engine model | D70CHC, TD70CHC TAD121CHC |
| Application | Sea Water Pump and Installation Components Timing Gear Casing and Timing Gears |
| Specification | |
| Descriptions | See group 2A See group 2B |
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Tags: Gear, Volvo Penta, 820637