Powerhead Gasket Set for Mercury/Mariner 27-90484A88, GLM 39440 39250 - Sierra (S18-4317)

Replaces OEM part #

• MERCURY MARINE 27-90484A88
  Contains:
  ( 2 ) 18-0182 Thermostat Gasket, replaced 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.# 27-67274-1
  ( 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 Housing 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 Gaske, 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 Housing Gasket, replaces O.E.# 27-96761-1
  ( 1 ) 18-2511 Drive Shaft Housing 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. Mounting Gasket, replaces O.E.# 27-90430
  ( 2 ) 18-2808 Cyl. Cover , replaces O.E.# 27-96278
  ( 2 ) 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 Bushin, 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.# 25-45711
  ( 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 ) 18-3863 Head Gasket, replaces O.E.# 27-96542-1
  ( 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.# --

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