SAVE NOW! on Great Fall Boating Specials.
Stock Up with a Boatful of Savings!

Powerhead Gasket Set - 18-4317 - Sierra

Sierra
Powerhead Gasket Set - 18-4317 - Sierra
Your Price: $142.99
Save: $30.22
(17% Off $173.21)
Part # 18-4317 ValueShip™ Eligible
Hurry! Only 1 left in stock
This item is found in the following Product Families
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.# --
Average Customer Review for Powerhead Gasket Set - 18-4317 - Sierra
Full StarFull StarFull StarFull StarFull Star Based On 1 Review | Write Review
Full StarFull StarFull StarFull StarFull StarPowerhead gasket set for my 1983 Mercury Black Max 150 V6
by James from Persia, Iowa on August 10, 2015
Everything piece they said was there, not 1 thing missing. Every gasket fit perfect!
Was this review helpful?
Ask a question for
Question & Answer Guidelines
This product ships in 1 business day.
Add to Cart and enter your Postal Code to determine the shipping charges and estimated delivery date.
Most products and orders leave our warehouse in 1 business day. However, select items may take more processing time. Alaska and Hawaii orders please add 1 additional warehouse processing day.
Standard Shipping Policies
Do you need Professional Installation? iboats.com has teamed with a national network of independent installers that are ready to handle your installation needs.
Find your local Amtech dealer:
End of Summer Savings During our Huge Fall Boatful of Savings Sale - Stock Up Now & Save!