Sierra 18-4305 Powerhead Gasket Set Replaces 0439083

Sierra 18-4305 Powerhead Gasket Set for Johnson & Evinrude Outboards

Sierra high-quality engine parts are designed to meet OEM specifications.

• For 2 cyl. models only

Set Contains:

• (2) 18-0118 Carburetor Gaskets
• (1) 18-0120 Exhaust Plate Gasket
• (1) 18-0128 Powerhead Base Gasket
• (1) 18-0136 Powerhead Base Gasket
• (1) 18-0154 Lower Exhaust Cylinder Gasket
• (1) 18-0157 Air Box Split Twin Gasket
• (1) 18-0159 Air Box Split Twin Gasket
• (1) 18-0182 Thermostat Gasket
• (1) 18-0850 Fuel Pump Gasket
• (1) 18-0851 Relief Gasket
• (1) 18-0941 Water Jacket Gasket
• (1) 18-0963 Intake Manifold Twin Gasket
• (1) 18-0983 Carburetor to Air Box Twin Gasket
• (1) 18-3802 Head Gasket

Interchangeable with

• GLM
• 39370
• Johnson/Evinrude Outboard
• 439083
• 393433
• 437806
• Mallory
• 9-64113

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