18-4318 Powerhead Gasket Set
- Sierra Powerhead Gasket Set
- Meets or exceeds the original equipment quality
- Sierra part number: 18-4318
- Interchangeable with the following: Evinrude/Johnson 439083, 390076
Gasket Set Contains:
- 18-0963 Intake Manifold GasketTwin 335633 1
- 18-0850 Fuel Pump Mtg. Gasket 303615 1
- 18-0118 Carburetor Gasket 325092 2
- 18-0983 Carburetor to Airbox 321497 1
- 18-3802 Head Gasket 327795,335359 1
- 18-0941 Water Jacket Cover Gasket 315538 1
- 18-0157 Air Box Split Gasket 330698 1
- 18-0128 Powerhead Mounting Gasket 326468, 351018 1
- 18-0136 Powerhead Mounting Gasket 328283 1
- 18-1224 Exhaust Cover Gasket 315869 1
- 18-1218 Exhaust Cover Gasket 315868 1
- 18-0182 Seal 310058 1
Note 50 HP 1971-1975 use 315539 Head Gasket, plus
Note 55 HP 1976 use 320658 Head Gasket, plus
Note 55/60 HP 1980-1985 2-Cylinder
Evinrude/Johnson 439083, 390076, 18-4318, 18-4305