75HP–115HP Mercury / Mariner Outboard Base Gasket (4-Stroke, 1999 & Up)

Replaces Quicksilver 27-8587321 / 27-858732002 – UK Stock

Product Description

Powerhead / base gasket for Mercury and Mariner 75HP, 90HP, and 115HP 4-stroke outboards, including EFI models. Fits engines from 1999 and newer. This gasket seals the lower part of the powerhead to prevent water and exhaust leaks.

Fitment

Fits the following 4-stroke models:

115 EFI – 0T178500 to 0T800999
115 EFI – 0T801000 to 1B226999
90 – 0G960500 to 0T800999
90 – 0T801000 to 1B226999
75 – 0G960500 to 0T800999
75 – 0T801000 to 1B226999
75 Bodensee – 0G960500 to 0T800999
75 Bodensee – 0T801000 to 1B226999

Replaces Quicksilver / Mercury Part Numbers

27-8587321
27-858732002
8587321
858732002

Why Buy from SSI MARINE?

All parts are in UK stock
Fast same-day dispatch before 1 PM (Mon–Fri)
Collection available from our Leigh (Manchester) workshop
Carefully selected based on service experience

If you’re unsure about compatibility, contact us with your serial number. We're here to help.

Shipping & Collection

Tracked 24-hour delivery available
Local collection (Mon–Fri, 9AM–5PM)

Reliable replacement for your Mercury / Mariner base gasket – order today.