8M0142616 Mercury MerCruiser Lower Gasket Water Pump | Genuine Quicksilver OEM Part

🔧 Product Description

Genuine Quicksilver Lower Face Plate Water Pump Gasket - Part Number: 27-8M0142616

Genuine Quicksilver lower face plate gasket used in Mercury / Mariner outboard water pump assemblies. This gasket supersedes 27-8M0050720 / 8M0112903 references and is used across late-model Mercury FourStroke, Verado, SeaPro, Pro XS and high-horsepower outboard gearcases where the water pump face plate diagram specifies 27-8M0142616.

⚙️ Key Features

• Genuine Quicksilver OEM lower water pump gasket

• Correct Mercury part number 27-8M0142616

• Listing reference: 8M0142616

• Supersedes 27-8M0050720 and 8M0112903 family references

• Lower face plate gasket for water pump stack

• Used on late EFI FourStroke and high-horsepower Mercury gearcases

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 27-8M0142616 current OEM lower water pump gasket reference

• 27-8M0050720 earlier water pump gasket reference

• 8M0112903 related earlier service reference

• 8M0142616 short-form gasket reference

OEM / Related Numbers:

• 27-8M0142616

• 8M0142616

• 278M0142616

• 27-8M0050720

• 8M0050720

• 8M0112903

• Lower face plate gasket

• Water pump lower gasket

• Gearcase face plate gasket

• Water pump base gasket

Aftermarket / Verified Equivalents:

• Recmar: REC27-8M0142616

• Sierra: 18-2564-2 application family where matched

• Outboard Spares OSWG720-style gasket equivalent

• Aftermarket lower water pump face plate gasket replacements for 8M0050720 / 8M0142616

• Use exact passage shape to avoid cooling-flow restriction

🚤 Compatibility

Commonly used on:

• Mercury / Mariner late-model lower-unit water pump assemblies

• FourStroke BigFoot / Command Thrust water pump service

• 150HP and larger EFI / FourStroke / Verado gearcases

• Water pump rebuilds requiring the lower face plate gasket

Typically suits:

• Engine models:

• Mercury / Mariner F40-F60 FourStroke BigFoot / Command Thrust models, 1995-2020 where specified

• Mercury / Mariner F75 FourStroke - 2004-2020 where specified

• Mercury / Mariner F90-F115 FourStroke - 2005-2020 where specified

• Mercury / Mariner F135-F150 FourStroke - 2006-2020 where specified

• Mercury / Mariner F175-F250 FourStroke - 2006-2017 where specified

• Mercury / Mariner F275 FourStroke - 2007-2017 where specified

• Mercury / Mariner F300-F350 FourStroke - 2006-2017 where specified

• Mercury 150HP FourStroke and larger water pump assemblies where 27-8M0142616 is specified

• Mercury Verado, SeaPro and Pro XS gearcases where the pump diagram lists 27-8M0142616

• HP Range: commonly 40HP - 350HP where specified, with many 150HP+ applications

• Engine Type: Mercury / Mariner EFI FourStroke, Verado, SeaPro and Pro XS outboard

• System Type: Lower water pump face plate gasket

🔌 Function

The gasket seals the lower face plate area of the water pump stack so the impeller can draw and pressurise cooling water correctly.

Common signs of failure:

• Weak cooling water stream

• Overheating after pump service

• Gasket torn or compressed

• Pump not priming correctly

• Water pump face plate removed

• Full water pump rebuild required

📦 Condition

• Genuine Quicksilver part

• Brand new

• Supplied in original or equivalent packaging