Description
Mercury 64818T4 Bell Housing Gasket Kit
Mercury 64818T4 is a genuine five-piece installation kit for the bell housing on MerCruiser MC-I sterndrives. It is designed for MC-I drives with serial number 6225576 and below, covering model years 1967 through 1982.
Key Features
- Genuine Mercury bell housing gasket kit
- Complete five-piece installation kit
- Designed to restore the proper seal and fit during bell housing installation or service
- Made to Mercury engineering, testing, and manufacturing standards
Fitment & Product Details
- Brand: Mercury
- Part Number: 64818T4
- Product Type: Bell Housing Gasket Kit
- Application: MerCruiser MC-I sterndrives
- Serial Range: 6225576 and below
- Model Years: 1967-1982
- Engine Style: Inboard/IO
- Package Quantity: 5-piece kit
- UPC: 745061029170
What's Included
- Five-piece bell housing installation gasket and seal kit
- Gaskets and O-rings shown in the product images
Why You Should Buy
- Correct genuine Mercury kit for MC-I applications that specify part number 64818T4
- Provides the sealing components needed when replacing or reinstalling the bell housing
- Matches early MerCruiser MC-I drives rather than later R, MR, Alpha One, or Bravo applications
Fitment Notes
- Use only on MerCruiser MC-I drives with serial number 6225576 and below.
- This kit is not the 94996T2 kit used for later R, MR, and Alpha One applications.
- Confirm part number and sterndrive serial number against your Mercury parts diagram or service manual before ordering.
FAQ
- How many pieces are included? This is a complete five-piece installation kit.
- What does it fit? MerCruiser MC-I drives from 1967-1982 with serial number 6225576 and below.
- Does it fit Alpha One or Bravo drives? No. Those applications use different bell housing gasket kits.
- How do I confirm fitment? Match part number 64818T4 and the drive serial number to your Mercury parts diagram or service manual.
- Need help confirming fitment? Contact our parts team before ordering: Ask a Parts Pro.

