Sierra Powerhead Gasket Set - Mercury/ Mariner - S18-4317
Replaces: 27-90484A88, 27-90484A86, 27-90484A32
Part Number: SRA-S18-4317
Contains:
| BLA Code | Description | O.E # | Quantity |
|---|---|---|---|
| S18-0182 | Thermostat Gasket | 27-62386 | 2 |
| S18-0858 | O-Ring | 254029 | 1 |
| S18-0860 | O-Ring | 25-62700 | 1 |
| S18-0129 | Reed Block Gasket | 27-65744-3 | 6 |
| S18-0135 | Adapter Cover Gasket | 27-78246 | 1 |
| S18-0936 | Relief Valve Plate Gasket | 27-78690 | 2 |
| S18-0952 | Relief Valve Plate Gasket | 27-88907 | 2 |
| S18-7421 | O-Ring | 25-20415 | 2 |
| S18-7411 | O-Ring | 25-35480 | 1 |
| S18-2501 | Reed Block Housing Gasket | 27-93536-1 | 1 |
| S18-2502 | Divider Plate Gasket | 27-90484-1 | 2 |
| S18-2503 | Drive Shaft Housing to Exhaust Plate Gasket | 27-99177-1 | 1 |
| S18-2506 | Exhaust Plate Gasket | 27-99176-3 | 1 |
| S18-2508 | Exhaust Plate Gasket | 27-99776-1 | 2 |
| S18-2508 | Carburetor Mounting Gasket | 27-67751 | 3 |
| S18-2510 | Reed Block Housing Gasket | 27-96761-1 | 1 |
| S18-2511 | Drive Shaft Housing to Plate Gasket | 27-99173-2 | 1 |
| S18-2513 | Cylinder Block Sealing Gasket | 27-11338 | 2 |
| S18-2803 | Carburetor Mounting Gasket | 27-90430 | 3 |
| S18-2808 | Cylinder Cover | 27-96278 | 2 |
| S18-2826 | Water Pump Base to Gear Housing Gasket | 27-85610-1 | 1 |
| S18-2914 | Water Pump Gasket | 27-85608-1 | 1 |
| S18-2915 | Water Pump Gasket | 27-85609-1 | 1 |
| S18-3110 | Bushing | 26-38970 | 2 |
| S18-7153 | O-Ring | 25-25439 | 1 |
| S18-7157 | O-Ring | 25-29976 | 1 |
| S18-7159 | O-Ring | 25-31534 | 1 |
| S18-7162 | O-Ring | 25-33145 | 1 |
| S18-7164 | O-Ring | 25-33466 | 1 |
| S18-7168 | O-Ring | 25-48171 | 4 |
| S18-7174 | O-Ring | 25-45711 | 2 |
| S18-7176 | O-Ring | 25-90011 | 1 |
| S18-7812 | Fuel Pump Kit | 89031A2 | 1 |
| S18-3863 | Head Gasket | 27-96542-1 | 2 |
| S18-0359 | Induction Silencer Cover Gasket | 27-67275-1 | 1 |
| S18-0384 | Carburetor Gasket | 27-89221-1 | 3 |
| S18-2919 | Water Pump Gasket | 27-42631-1 | 1 |
| S18-7406 | O-Ring | - | 1 |
