Description
SIERRA Powerhead Gasket Set/Kit for Mercury / 18-4337
- PRODUCT CODE: S18-4337
- REPLACES: 27-812867A97, 27-812867A96, 27-812867A91
- This gasket set/kit is interchangeable with/replaces the ff. engine models:
- GLM / 39730
- MALLORY / 9-64207
- MERCURY MARINE / 27-812867A91, 27-812867A96, 27-812867A97
- This gasket set/kit is applicable with ff. engines:
- 45 Jet 3 CYL, SN – D000750 & UP
- 50 3 CYL, SN – D000750-OG589999
- 55 3 CYL, SN – D000750 & UP
- CONTAINS
PRODUCT PART NUMBER DESCRIPTION OE# QUANTITY S18-7152 O-Ring 25-20863 1 S18-2244 Washer 10-79953A2 3 S18-7173 O-Ring 25-30224 1 S18-0182 Thermostat Gasket 27-62386 1 S18-2719 Induction Manifold Gasket 27-812869 1 S18-2721 Adapter Plate Gasket 27-827284 1 S18-2729 Thermostat Cover Gasket 27-812867 2 1 S18-2749 Thermostat Gasket 27-812867 1 1 NSS Exhaust Gasket 27-812866 1 S18-0319 Exhaust Cover Gasket 27-828533 6 S18-0622 Lower Wear Plate Gasket 27-19701 1 S18-0345 Water Pump Gasket 27-722189 1 S18-2593 Water Pump Gasket N/A 1 S18-2566 Impeller Gasket 27-817277 1 S18-7176 O-Ring 25-90011 1 S18-7950 O-Ring 25-45258 — S18-7817 Diaphragm Kit 21-857005A1 — Weight 0.29 KG, Length 35.4 cm, Height 3.8 cm, Width 43.3 cm

