Powerhead Gasket Set - Sierra (S18-4359)

Replaces OEM part #

• MERCURY MARINE 27-815791A92
• Does not include Head Gaskets
  Contains:
  ( 1 ) 18-0132 Seal, replaces O.E.# 65800
  ( 1 ) 18-0135 Gasket, Adapter, replaces O.E.# 27-78245
  ( 2 ) 18-0182 Gasket, Thermostat, replaces O.E.# 27-62386
  ( 3 ) 18-0384 Gasket, Carburetor, replaces O.E.# 27-89221
  ( 3 ) 18-0641 Gasket, Carb Mounting, replaces O.E.# 27-82892
  ( 1 ) 18-0642 Gasket, Divider Plate, replaces O.E.# 27-19050-3
  ( 1 ) 18-0643 Gasket, Exh. Plate, replaces O.E.# 27-18307-1
  ( 1 ) 18-0644 Gasket, Reed Plate, replaces O.E.# 27-14697-2
  ( 1 ) 18-0645 Gasket, Adapter Plate, replaces O.E.# 27-16737-1
  ( 1 ) 18-0646 Gasket, Reed Plate, replaces O.E.# 27-813859
  ( 1 ) 18-0838 O-Ring, replaces O.E.# -
  ( 1 ) 18-0858 O-Ring, replaces O.E.# 25-54029
  ( 1 ) 18-0860 O-Ring, replaces O.E.# 25-62700
  ( 2 ) 18-0936 Gasket, Relief Valve, replaces O.E.# 27-78690
  ( 1 ) 18-2506 Gasket, Pwr Head, replaces O.E.# 27-99176-3
  ( 3 ) 18-2509 Gasket, Carb. Mounting, replaces O.E.# 27-67751
  ( 1 ) 18-2511 Gasket, Drive Shaft To Hsg. Plate, replaces O.E.# 27-99173-2
  ( 2 ) 18-2513 Gasket, Crankcase Cover, replaces O.E.# 27-11338
  ( 1 ) 18-2914 Gasket, Water Pump, replaces O.E.# 27-85608-1
  ( 1 ) 18-2915 Gasket, Water Pump, replaces O.E.# 27-85609-1
  ( 1 ) 18-2919 Gasket, Water Pump, replaces O.E.# 27-42631-1
  ( 2 ) 18-3110 Seal, 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 ) 18-7174 O-Ring, replaces O.E.# 25-45711
  ( 1 ) 18-7176 O-Ring, replaces O.E.# 25-90011
  ( 1 ) 18-7816 Fuel Diaphragm Kit, replaces O.E.# 21-42990A10
  ( 1 ) 18-8305 Seal, Divider Plate, replaces O.E.# 26-814754

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