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Cylinder Block Gasket 27-991764

Satisfaction rating 5 out of 5 (6 Ratings)
$16.99
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Product Description

Mercury factory part. Search for more factory parts & parts diagrams.

Product Questions

There are no questions for this product. Ask a new question and receive an answer, directly from our support staff.

6 Product Reviews

Mercury 200l 2 stroke

Repair Difficulty
Medium
Repair Time
More than 4 hours
Lovely service, thank you so much for your help.
by

Problem fixed: Lack of power

Stripe and rebuild engine

2000 Mercury 150 SR6

Repair Difficulty
Hard
Repair Time
More than 4 hours
It was great, best shopping experience I have had for the boat motor. easy to find parts, look them up and order. The my garage button is great.
by

Problem fixed: Complete restoration of the entire motor

Complete motor restoration, complete rebuild, engine block / power head, lower unit, mid-section restoration. Parts breakdown and list has been very useful along with the manual ordered from Crowley Marine.

Great experience excellent customer service A++++++++
by

by

Mercury 200 efi

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Product Fitment Grid

This guide is to be used as a reference only. You must verify fitment using your model or serial number.

BRAND MODEL 1976 1977 1978 1979 1980 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999
Mariner Outboard 2.5 [MH] - - - - - - - - - - - - - - - x - - - -
Mariner Outboard 135 [CXL] - - - - - - - - - - - - - x x x x x x x
Mariner Outboard 135 [L] - - - - - - - - - - x x x x x x x x x x
Mariner Outboard 135 [XL] - - - - - - - - - - - - - x x x x x x x
Mariner Outboard 135DFI - - - - - - - - - - - - - - - - - - - x
Mariner Outboard 135DFI [CXL] - - - - - - - - - - - - - - - - - - x x
Mariner Outboard 135DFI [L] - - - - - - - - - - - - - - - - - - x x
Mariner Outboard 135DFI [XL] - - - - - - - - - - - - - - - - - - x x
Mariner Outboard 150 [CXL] - - - - - - - - - - x x x x x x x x x x
Mariner Outboard 150 [EFI] - - - - - - - - - - - - - - x - - - - -
Mariner Outboard 150 [JET 105] - - - - - - - - - - - - - - x x - x x -
Mariner Outboard 150 [L] - - - - - - - - - - x x x x x x x x x x
Mariner Outboard 150 [XL] - - - - - - - - - - x x x x x x x x x x
Mariner Outboard 150DFI [CXL] - - - - - - - - - - - - - - - - - - x x
Mariner Outboard 150DFI [L] - - - - - - - - - - - - - - - - - - x x
Mariner Outboard 150DFI [XL] - - - - - - - - - - - - - - - - - - x x
Mariner Outboard 150EFI [CXL] - - - - - - - - - - - - - - - x x x x x
Mariner Outboard 150EFI [L EFI] - - - - - - - - - - - - - - - - - - - x
Mariner Outboard 150EFI [XL] - - - - - - - - - - - - - - - x x x x x
Mariner Outboard 150MG [ELPTO] - - - - - - - - - - - - - x x - - - - -
Mariner Outboard 150MG [L EFI] - - - - - - - - - - - - - - - x x x x x
Mariner Outboard 150MG2 [ELPTO] - - - - - - - - x x x x - - - - - - - -
Mariner Outboard 150MG3 - - - - - - - - - - - - - - - - x x - x
Mariner Outboard 150MG3 [ELPTO] - - - - - - - - - - - - x x x - - - - -
Mariner Outboard 150MG3 [L] - - - - - - - - - - - - - - - x - - x x
Mariner Outboard 175 [CXL] - - - - - - - - - x - - - x x x x x x x
Mariner Outboard 175 [ELPTO] - - - - - x x - - - - - - - - - - - - -
Mariner Outboard 175 [ELPT] - - - x x - - - - - - - - - - - - - - -
Mariner Outboard 175 [EXLPTO] - - - - - x x - - - - - - - - - - - - -
Mariner Outboard 175 [EXLPT] - - - x x - - - - - - - - - - - - - - -
Mariner Outboard 175 [L EFI] - - - - - - - - - - - - - - - x x - - -
Mariner Outboard 175 [L] - - - - - - - - x x x x x x x x x x x x
Mariner Outboard 175 [XL EFI] - - - - - - - - - - - - - - - - - x x -
Mariner Outboard 175 [XL] - - - - - - - - x x x x x x x x x x x x
Mariner Outboard 175EFI [XL] - - - - - - - - - - - - - - - - - - - x
Mariner Outboard 175MG [EFI] - - - - - - - - - - - - - - - - - x x -
Mariner Outboard 175MG [L EFI] - - - - - - - - - - - - - - - - - - - x
Mariner Outboard 175MG [L] - - - - - - - - - - - x x x x - - - - -
Mariner Outboard 175SKI [L] - - - - - - - - - x x - - - - - - - - -
Mariner Outboard 200 [CXL CARB] - - - - - - - - - - - - - - - - - - x x
Mariner Outboard 200 [CXL] - - - - - - - - - x x x x x x x x x - -
Mariner Outboard 200 [CXXL] - - - - - - - - - - - - - - - - x - - -
Mariner Outboard 200 [EFI] - - - - - - - - - - - - - - x - - - - -
Mariner Outboard 200 [JET 140] - - - - - - - - - - - - - - x x - x - x
Mariner Outboard 200 [L CARB] - - - - - - - - - - - - - - - - - - x -
Mariner Outboard 200 [L] - - - - - - - - - x x x x x x x x x - x
Mariner Outboard 200 [XL CARB] - - - - - - - - - - - - - - - - - - x -
Mariner Outboard 200 [XL] - - - - - - - - - x x x x x x x x x - x
Mariner Outboard 200 [XXL] - - - - - - - - - - - - - - - - x - - -
Mariner Outboard 200EFI [CXL] - - - - - - - - - - - - - - x x - - x x
Mariner Outboard 200EFI [L] - - - - - - - - - - - - - - - x x x x x
Mariner Outboard 200EFI [XL] - - - - - - - - - - - - - x x x x - x x
Mariner Outboard 200XRI [ELPTO] - - - - - - - - - - - - x x - - - - - -
Mariner Outboard 220XRI [L] - - - - - - - x x - - - - - - - - - - -
Mariner Outboard 220XRI [XL] - - - - - - - x x - - - - - - - - - - -
Mercury Outboard 135 [CXL CARB] - - - - - - - - - - - - - - - - - - x x
Mercury Outboard 135 [CXL] - - - - - - - - - - x x x x x x x x - -
Mercury Outboard 135 [L CARB] - - - - - - - - - - - - - - - - - - x -
Mercury Outboard 135 [L] - - - - - - - - - - x x x x x x x x - x
Mercury Outboard 135 [XL CARB] - - - - - - - - - - - - - - - - - - x x
Mercury Outboard 135 [XL] - - - - - - - - - - x x x x x x x x - -
Mercury Outboard 135DFI - - - - - - - - - - - - - - - - - - - x
Mercury Outboard 135DFI [CXL] - - - - - - - - - - - - - - - - - - x x
Mercury Outboard 135DFI [L] - - - - - - - - - - - - - - - - - - x x
Mercury Outboard 135DFI [XL] - - - - - - - - - - - - - - - - - - x x
Mercury Outboard 150 [CXL] - - - - - - - - - - x x x x x x x x x x
Mercury Outboard 150 [EFI] - - - - - - - - - - - - - - - x - - - -
Mercury Outboard 150 [JET 105] - - - - - - - - - - - - - - x x - x x -
Mercury Outboard 150 [L] - - - - - - - - - - x x x x x x x x x x
Mercury Outboard 150 [XL] - - - - - - - - - - x x x x x x x x x x
Mercury Outboard 150 [XR6] - - - - - - - - - - - - - - - x x x x -
Mercury Outboard 150DFI - - - - - - - - - - - - - - - - - - x -
Mercury Outboard 150DFI [CXL] - - - - - - - - - - - - - - - - - - x x
Mercury Outboard 150DFI [L] - - - - - - - - - - - - - - - - - - x x
Mercury Outboard 150DFI [XL] - - - - - - - - - - - - - - - - - - x x
Mercury Outboard 150EFI - - - - - - - - - - - - - - - - - x - -
Mercury Outboard 150EFI [CXL] - - - - - - - - - - - - - - - x x x x x
Mercury Outboard 150EFI [EFI] - - - - - - - - - - - - - - - - - - x -
Mercury Outboard 150EFI [L] - - - - - - - - - - - - - - - x x x x x
Mercury Outboard 150EFI [XL] - - - - - - - - - - - - - - - x x x x x
Mercury Outboard 150XR4 [ELPTO] - - - - - - - - x x x x - - - - - - - -
Mercury Outboard 150XR6 [ELPTO] - - - - - - - - - - - - x x x - - - - -
Mercury Outboard 150XR6 [L] - - - - - - - - - - - - - - - - - - - x
Mercury Outboard 150XRI [ELPTO] - - - - - - - - - - - - - x x - - - - -
Mercury Outboard 150XRI [L] - - - - - - - - - - - - - - x - - - - -
Mercury Outboard 175 [CXL] - - - - - - - - - x - - x x x x x x x x
Mercury Outboard 175 [EFI] - - - - - - - - - - - - - - - - x - - -
Mercury Outboard 175 [ELPTO] - - - - - x x - - - - - - - - - - - - -
Mercury Outboard 175 [ELPT] x x x x x - - - - - - - - - - - - - - -
Mercury Outboard 175 [EXLPTO] - - - - - x x - - - - - - - - - - - - -
Mercury Outboard 175 [EXLPT] x x x x x - - - - - - - - - - - - - - -
Mercury Outboard 175 [L EFI] - - - - - - - - - - - - - - - - - x x -
Mercury Outboard 175 [L] - - - - - - - - x x x x x x x x x x x x
Mercury Outboard 175 [XL EFI] - - - - - - - - - - - - - - - - - x x -
Mercury Outboard 175 [XL] - - - - - - - - x x x x x x x x x x x x
Mercury Outboard 175EFI [L] - - - - - - - - - - - - - - - x x - - x
Mercury Outboard 175EFI [XL] - - - - - - - - - - - - - - - - - - - x
Mercury Outboard 175XRI [L] - - - - - - - - - - - x x x x - - - - -
Mercury Outboard 200 [CXL] - - - - - - - - - - x x x x x - x x - x
Mercury Outboard 200 [JET 140] - - - - - - - - - - - - - - x x - x - -
Mercury Outboard 200 [L] - - - - - - - - - x x x x x x x x x x x
Mercury Outboard 200 [XL] - - - - - - - - - x x x x x x x x x x x
Mercury Outboard 200EFI [CXL] - - - - - - - - - - - - - - - x x x x x
Mercury Outboard 200EFI [EFI] - - - - - - - - - - - - - - - - - x - -
Mercury Outboard 200EFI [L] - - - - - - - - - - - - - - - x x x x x
Mercury Outboard 200EFI [XL] - - - - - - - - - - - - - - - x x x x x
Mercury Outboard 200XRI - - - - - - - - - x - - - - - - - - - -
Mercury Outboard 200XRI [CXL] - - - - - - - - - - - - - - x - - - - -
Mercury Outboard 200XRI [EFI] - - - - - - - - - - - - - - x - - - - -
Mercury Outboard 200XRI [ELPTO] - - - - - - - - - x x x x x x - - - - -
Mercury Outboard 200XRI [XL] - - - - - - - - - - - - - - x - - - - -
Mercury Outboard 220XRI [ELPTO] - - - - - - - x x - - - - - - - - - - -
Mercury Outboard 220XRI [EXLPTO] - - - - - - - x x - - - - - - - - - - -
Sea Ray 175 [SXL] - - - - - - - - - x - - - - - - - - - -
Sea Ray 175 [XL] - - - - - - - - x - - - - - - - - - - -

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Supersession Chain

Name SKU Superceding SKU
Cylinder Block Gasket VIEWING THIS PRODUCT 991764 CURRENT
Exhaust Plate Gasket 991763 991764
Exhaust Plate Gasket 991762 991763
Exhaust Plate Gasket 99176 991762

Aftermarket Product Interchange

Name SKU Price Brand
Exhaust Plate Gasket 18-2506-1 $10.90 Sierra Marine
Due to manufacturer policy OEM Mercury products can only be shipped to addresses within the United States.