Skip to content

Sierra 18-4319 Powerhead Gasket Set

Original price $134.99 - Original price $134.99
Original price
$134.99
$134.99 - $134.99
Current price $134.99

Replaces OEM part #MERCURY MARINE 27-11338A88MERCURY MARINE 27-89221A88 Contains: ( 2 ) 18-0182 Thermostat Gasket; replaces O.E.# 27-62386 ( 1 ) 18-0858 O-Ring; replaces #O.E. 254029 ( 1 ) 18-0860 O-Ring; replaces O.E.# 25-62700 ( 6 ) 18-0129 Reed Block Gasket; replaces O.E.# 27-65744-3 ( 2 ) 18-0149 Choke Plate to Carb. Gasket; replaces O.E.# 27-6724-1 ( 1 ) 18-0135 Adapter/Meg. Gasket; replaces O.E.# 27-78246 ( 2 ) 18-0936 Relief Valve Plate Gasket; replaces O.E.# 27-78690 ( 2 ) 18-0952 Relief Valve Plate Gasket; replaces O.E. # 27-88907 ( 2 ) 18-7421 O-Ring; replaces O.E.# 25-20415 ( 1 ) 18-7411 O-Ring; replaces O.E.# 25-35480 ( 1 ) 18-2501 Reed Block Hsg. Gasket; replaces O.E.# 27-93536-1 ( 2 ) 18-2502 Divider Plate Gasket ; replaces O.E.# 27-90484-1 ( 1 ) 18-2503 Drive Shaft Hsg. to Exhaust Plate Gasket; replaces O.E.# 27-99177-1 ( 1 ) 18-2506 Exhaust Plate Gasket; replaces O.E.# 27-99176-3 ( 2 ) 18-2508 Exhaust Plate Gasket; replaces O.E.# 27-99776-1 ( 3 ) 18-2509 Carb. Mtg. Gasket; replaces O.E.# 27-67751 ( 1 ) 18-2510 Reed Block Hsg. Gasket; replaces O.E.# 27-96761-1 ( 1 ) 18-2511 Drive Shaft Hsg. to Plate Gasket; replaces O.E.# 27-99173-2 ( 2 ) 18-2513 Cyl Block Sealing Gasket; replaces O.E.# 27-11338 ( 3 ) 18-2803 Carb. Mtg. Gasket; replaces O.E.# 27-90430 ( 2 ) 18-2808 Cly. Cover; replaces O.E.# 27-96278 ( 1 ) 18-2826 Water Pump Base to Gear Housing Gasket; replaces O.E.# 27-85610-1 ( 1 ) 18-2914 Water Pump Gasket;replaces O.E.# 27-85608-1 ( 1 ) 18-2915 Water Pump Gasket; replaces O.E.# 27-85609-1 ( 2 ) 18-3110 Bushing; replaces O.E.# 26-38970 ( 1 ) 18-7153 O-Ring; replaces O.E.# 25-25439 ( 1 ) 18-7157 O-Ring; replaces O.E.# 25-29976 ( 1 ) 18-7159 O-Ring; replaces O.E.# 25-31534 ( 1 ) 18-7162 O-Ring; replaces O.E.# 25-33145 ( 1 ) 18-7164 O-Ring; replaces O.E.# 25-33466 ( 4 ) 18-7168 O-Ring; replaces O.E.# 25-48171 ( 2 ) 18-7174 O-Ring; replaces O.E.# 25-45711 ( 1 ) 18-7176 O-Ring; replaces O.E.# 25-90011 ( 1 ) 18-7196 O-Ring; replaces O.E.# 25-38099 ( 1 ) 18-7812 Fuel Pump Kit; replaces O.E.# 89031A2 ( 1 ) 18-7816 Fuel Pump Dia. Kit; replaces O.E.# 21-42990A9 ( 2 ) 18-3862 Head Gasket; replaces O.E.# 27-41246-1 ( 1 ) 18-0359 Induction Silencer Cover Gasket; replaces O.E.# 27-67275-1 ( 3 ) 18-0384 Carburetor Gasket; replaces O.E.# 27-89221-1 ( 1 ) 18-2919 Water Pump Gasket; replaces O.E.# 27-42631-1 ( 1 ) 18-7406 O-Ring; replaces O.E.# - ( 1 ) 18-7176 O-Ring; replaces O.E.# 25-90011