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8901A1 Mercury Exhaust Cover | Genuine Used Part

8901A1 Mercury Exhaust Cover | Genuine Used Part

$60.00 AUD
$60.00 AUD
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🔧 Product Description

Genuine Mercury 9.8HP Exhaust Manifold Cover Assembly - Part Number: 89013A1

A genuine Mercury exhaust-manifold and thermostat-cover assembly for selected 9.8HP Merc 110 twin-cylinder two-stroke outboards.

The 8901A1 reference appears to be an incomplete reading of OEM assembly number 89013A1. The cover may also carry casting number 89012 and can be associated with component reference 88455.

⚙️ Key Features

  • Genuine Mercury exhaust-manifold cover
  • Correct assembly number 89013A1
  • Abbreviated listing reference 8901A1
  • Casting reference 89012
  • Designed for selected 9.8HP Merc 110 engines

🚤 Compatibility

Commonly used on

  • Mercury 9.8HP twin-cylinder exhaust and cooling assemblies

Typically suits

  • Engine models:
  • Mercury 9.8HP
  • Mercury Merc 110
  • Short- and long-shaft twin-cylinder models using the 89013A1 cover
  • Engines with the matching cylinder-block, gasket and thermostat arrangement
  • HP Range: 9.8HP
  • Engine Type: Mercury twin-cylinder carburetted two-stroke outboard
  • Year Range: Approximately late 1970s-mid-1980s

🔌 Function

The cover encloses the exhaust passage and associated cooling-water jacket. It helps direct cooling water around the exhaust section and supports the thermostat housing where fitted.

⚠️ Common Signs of Failure

  • Water leaks around the exhaust-cover gasket
  • Cover is corroded or pitted internally
  • Exhaust staining appears around the cover
  • Cover is cracked or warped
  • Mounting threads or bolts are damaged

🔄 Supersession & Cross Reference

OEM Supersession Chain

  • 89013A1 documented complete cover-assembly reference
  • 8901A1 supplied shortened inventory reference

OEM / Related Numbers

  • 89013A1
  • 89012 casting number
  • 8901A1 listing reference
  • 88455 related cover component
  • Related exhaust-cover gasket and thermostat components

Aftermarket / Verified Equivalents

  • No aftermarket equivalent

📦 Condition

  • Genuine used part
  • Removed from running engine where applicable
  • In good working condition unless otherwise stated
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