Sierra 18-4317 Powerhead Gasket Set

This item has been discontinued by the manufacturer and is no longer available.

Sierra 18-4317 Mercury Powerhead Gasket Set

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

Interchangeable with:

• GLM
• 39440
• Mallory
• 9-64200
• Mercury Marine
• 27-90484A88
• 27-90484A86
• 27-90484A32

 Set Contains:

• (6) 18-0129 Reed Block Gasket
• (1) 18-0135 Adapter Cover Gasket
• (2) 18-0182 Thermostat Gasket
• (1) 18-0359 Induction Silencer Cover Gasket
• (3) 18-0384 Carburetor Gasket
• (1) 18-0858 O-Ring
• (1) 18-0860 O-Ring
• (2) 18-0936 Relief Valve Plate Gasket
• (2) 18-0952 Relief Valve Plate Gasket
• (1) 18-2501 Reed Block Housing Gasket
• (1) 18-2502 Divider Plate Gasket
• (2) 18-2503 Drive Shaft Housing to Exhaust Plate Gasket
• (3) 18-2509 Carburetor Mounting Gasket
• (1) 18-2510 Reed Block Housing Gasket
• (1) 18-2511 Drive Shaft Housing to Exhaust Plate Gasket
• (2) 18-2513 Crankcase Gasket (Cyl. Block Sealing V-6)
• (3) 18-2803 Carburetor Mounting Gasket
• (2) 18-2808 Cylinder Cover Gasket
• (1) 18-2826 Water Pump Base Gasket
• (1) 18-2914 Water Pump Gasket
• (1) 18-2915 Water Pump Gasket
• (1) 18-2919 Water Pump Gasket
• (2) 18-3110 Water Pump Housing Bushing
• (2) 18-3863 Head Gasket
• (1) 18-7153 O-Ring
• (1) 18-7157 O-Ring
• (1) 18-7159 O-Ring
• (1) 18-7162 O-Ring
• (1) 18-7164 O-Ring
• (4) 18-7168 O-Ring
• (2) 18-7174 O-Ring
• (1) 18-7176 O-Ring
• (1) 18-7406 O-Ring
• (1) 18-7411 O-Ring
• (2) 18-7421 O-Ring
• (1) 18-7812 Fuel Pump Kit
• (1) 18-2506-1 Exhaust Plate Gasket
• (2) 18-2508-1 Exhaust Plate Gasket

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