64818Q4 Mercury MerCruiser 2764818Q4 Drive/Bell Housing Gasket set | Genuine Quicksilver OEM Part

🔧 Product Description

Genuine Quicksilver Drive / Bell Housing Gasket Set - Part Number: 27-64818Q4

Genuine Quicksilver/MerCruiser bell housing installation gasket set for MerCruiser MC-I stern drive applications. This OEM five-piece gasket set is used during drive and bell housing service to help seal the mating surfaces correctly and prevent water intrusion or exhaust leakage.

⚙️ Key Features

• Genuine Quicksilver/MerCruiser OEM drive / bell housing gasket set

• Five-piece installation gasket kit

• Designed for MerCruiser MC-I drive applications

• Used during bell housing / drive installation service

• Direct replacement for 27-64818Q4 gasket set applications

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 27-64818Q4

• 64818Q4

OEM / Related Numbers:

• 27-64818Q4

• 64818Q4

• 2764818Q4

• MC47-27-64818 related Barr reference

• 27-94996Q2 related Alpha drive installation gasket reference

Aftermarket / Verified Equivalents:

• Sierra: 18-2614

• Mallory: 9-62602

• Barr: MC47-27-64818

🚤 Compatibility

Commonly used on:

• MerCruiser MC-I drive bell housing installation applications

• MerCruiser drive-to-bell-housing gasket service

• Early MerCruiser stern drive installation service kits

Typically suits:

• Engine models:

• MerCruiser MC-I drives, serial number 6225576 and below

• MerCruiser 120HP stern drive packages, approximately 1967-1982, where MC-I drive gasket set is specified

• MerCruiser 140HP stern drive packages, approximately 1967-1982, where MC-I drive gasket set is specified

• MerCruiser 165HP stern drive packages, approximately 1967-1982, where MC-I drive gasket set is specified

• MerCruiser 470 / 485 stern drive packages where MC-I drive gasket set is specified

• MerCruiser 888 stern drive packages where MC-I drive gasket set is specified

• MerCruiser 898 stern drive packages where MC-I drive gasket set is specified

• MerCruiser 228 / 260 stern drive packages where MC-I drive gasket set is specified

• HP Range: Application dependent across early MerCruiser MC-I stern drive packages

• Engine Type: MerCruiser MC-I stern drive bell housing / drive installation gasket system

• Year Range: Approximately 1967-1982 for MC-I drives, serial number 6225576 and below

🔌 Function

The gasket set seals the bell housing and drive installation surfaces during stern drive service. Correct gaskets help prevent water intrusion, exhaust leakage and sealing problems after drive removal or installation.

Common signs of failure:

• Water leakage around the drive installation area

• Damaged or compressed old gaskets during drive removal

• Exhaust leakage at mating surfaces

• Corrosion around bell housing sealing points

• Water intrusion after drive service

• Gasket material stuck or torn during disassembly

📦 Condition

• Genuine Quicksilver part

• Brand new

• Supplied in original or equivalent packaging