| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 6137-K1-5400 | GASKET KIT,CYLINDER HEAD (FOR EC170) | | 51634- |
| 1 | 6137-K1-5310 | GASKET KIT,CYLINDER HEAD (FOR EC170Z) | | 10001-51633 |
| 1 | \0\6137-K1-5300 | GASKET KIT,CYLINDER HEAD (FOR EC170Z) | | 10001-51633 |
| 1 | 6136-11-1812 | GASKET | | .- |
| 1 | \0\6136-11-1811 | GASKET | | 51634-. |
| 1 | 6136-11-1821 | GASKET | | 51634- |
| 1 | 6136-11-8812 | O-RING | | 51634- |
| 1 | 6136-11-8142 | PACKING | | 51634- |
| 1 | 6685-21-7430 | GASKET | | 51634- |
| 1 | 07000-03020 | O-RING | | 51634- |
| 1 | 6136-11-4811 | GASKET | | 51634- |
| 1 | 6136-11-4820 | GASKET | | 51634- |
| 1 | 07003-02228 | GASKET | | 51634- |
| 1 | 6136-11-5810 | GASKET | | 51634- |
| 1 | 6136-11-5170 | GASKET | | 51634- |
| 1 | 6691-11-4380 | GASKET | | 51634- |
| 1 | 6131-15-5350 | GASKET,(FOR EC170Z) | | 10001-51633 |
| 1 | 07005-00812 | SEAL, WASHER | | 51634- |
| 1 | 6136-11-6810 | GASKET | | 51634- |
| 1 | 6136-11-6821 | GASKET | | 51634- |
| 1 | 6138-61-6461 | GASKET | | 51634- |
| 2 | 6137-K2-5300 | GASKET KIT,CYLINDER BLOCK | | 51634- |
| 2 | 07005-01212 | SEAL, WASHER | | 51634- |
| 2 | 6136-21-2220 | SEAL | | 51634- |
| 2 | 6136-21-2230 | O-RING | | 51634- |
| 2 | 6136-21-2240 | O-RING | | 51634- |
| 2 | 6136-21-7811 | GASKET | | 51634- |
| 2 | 6136-21-3821 | GASKET | | 51634- |
| 2 | 6136-21-3812 | GASKET | | 51634- |
| 2 | 6136-21-3510 | SEAL, FRONT | | 51634- |
| 2 | 07000-02070 | O-RING | | 51634- |
| 2 | 07000-03022 | O-RING | | 51634- |
| 2 | 07005-01612 | SEAL, WASHER | | 51634- |
| 2 | 6136-21-5810 | GASKET | | 51634- |
| 2 | 6136-21-4812 | GASKET | | 51634- |
| 2 | 6130-22-4230 | SEAL, REAR | | 51634- |
| 2 | 07000-63035 | O-RING | | 51634- |
| 2 | 07000-63028 | O-RING | | 51634- |
| 2 | 07000-62018 | O-RING | | 51634- |
| 2 | 6131-51-7681 | GASKET | | 51634- |
| 2 | 6136-61-2811 | GASKET | | 51634- |
| 2 | 07000-23022 | O-RING | | 51634- |
| 2 | 07000-63028 | O-RING | | 51634- |
| 2 | 07012-00032 | SEAL | | 51634- |
| 2 | 6131-81-3141 | GASKET | | 51634- |
| 2 | 6610-71-1911 | SEAL | | 51634- |
| 2 | 07005-01012 | SEAL, WASHER | | 51634- |
| 2 | 07005-01412 | SEAL, WASHER | | 51634- |
| 2 | 07005-01212 | SEAL, WASHER | | 51634- |
| 2 | 6150-61-1520 | SEAL, WATER | | .- |
| 2 | \0\6610-61-1512 | SEAL, WATER | | 51634-. |
| 2 | 07000-05160 | O-RING | | 51634- |
| 2 | 6136-61-1811 | GASKET | | 51634- |
| 2 | 07000-02100 | O-RING | | 51634- |
