26816575A2 Mercury MerCruiser Seal Kit | Genuine Quicksilver OEM Part

🔧 Product Description

Genuine Quicksilver Water Pump Face Seal and Installation Tool Kit - Part Number: 26-816575A2

A genuine Quicksilver water-pump face-seal service kit for Mercury MerCruiser Alpha One Gen II sterndrives and selected Mercury / Mariner gearcases.

This is a face-seal kit rather than a complete lower-unit gasket set. It includes the moulded face seal and the special installation tool required to position the seal correctly during water-pump assembly.

⚙️ Key Features

• Genuine Quicksilver OEM water-pump face-seal kit

• Correct Mercury part number 26-816575A2

• Includes face seal and installation tool

• Used on Alpha One Gen II and selected outboard gearcases

• Sierra, GLM and Recmar replacements available

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 26-816575A2 current OEM face-seal service-kit reference

• 816575A2 original OEM kit reference

OEM / Related Numbers:

• 26-816575A2

• 816575A2

• 26816575A2

• 8M2014338 face seal

• 91-818769 installation tool

• 23-29804

• 29804T

• 861415

Aftermarket / Verified Equivalents:

• Sierra: 18-2599

• GLM: 85590

• Recmar: REC26-816575A2

• Hardin Marine: 700-85590

🚤 Compatibility

Commonly used on:

• MerCruiser Alpha One Gen II water-pump assemblies

• Selected Mercury and Mariner outboard driveshaft face-seal applications

Typically suits:

• Drive / engine models:

• MerCruiser Alpha One Gen II - 1991 and later

• Alpha One Gen II standard-rotation lower units

• Alpha One Gen II counter-rotation lower units where the face seal is specified

• Mercury / Mariner 65HP through V225HP gearcases using face seal 816575A2

• Mercury XR4 and XR6 gearcase applications

• Mercury 3.0L EFI and DFI lower-unit applications where the diagram specifies 26-816575A2

• HP Range: Approximately 65HP - 225HP for applicable outboards

• Drive Type: MerCruiser Alpha One Gen II

• System Type: Water-pump face seal and installation tool

🔌 Function

The seal closes the water-pump face and driveshaft area, helping prevent cooling-water leakage and ensuring the pump housing remains correctly sealed.

Common signs of failure:

• Weak cooling-water flow

• Engine overheats after water-pump service

• Face seal is split, flattened or incorrectly installed

• Water leaks around the pump housing

• Seal damaged because the installation tool was not used

📦 Condition

• Genuine Quicksilver part

• Brand new

• Supplied in original or equivalent packaging