# 27988231 Mercury MerCruiser 988231 Gasket | Genuine Quicksilver OEM Part

🔧 Product Description

  

Genuine Quicksilver Power Trim Hose Connector / Trim Manifold Gasket - Part Number: 27-988231

  

A genuine Quicksilver gasket used under the power trim hydraulic hose connector / trim manifold on selected MerCruiser Alpha and Bravo sterndrive transom assemblies. This gasket seals the hydraulic connector block area where the trim hoses pass through or mount to the gimbal / transom assembly.

  

⚙️ Key Features

  

• Genuine Quicksilver OEM gasket

• Correct Mercury part number 27-988231

• Power trim hose connector / trim manifold gasket

• Used on MerCruiser Alpha and Bravo sterndrive trim systems

• Important seal during trim hose connector or manifold service

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 27-988231 current OEM service reference

• 27-98823 related earlier formatted reference

  

OEM / Related Numbers:

  

• 27-988231

• 988231

• 27988231

• 27-98823

• 98823

• 2798823

  

Aftermarket / Verified Equivalents:

  

• Sierra: 18-0388

• GLM: 32500

• 62-1601 related aftermarket reference

• 2889-7101 / 28897101 related aftermarket reference

  

🚤 Compatibility

  

Commonly used on:

  

• MerCruiser Alpha and Bravo power trim hose connector / manifold gasket applications

  

Typically suits:

  

• Drive models:

• MerCruiser Alpha One stern drive power trim hose connector applications, 1983 and newer

• MerCruiser Alpha One Gen II power trim manifold / hose connector applications

• MerCruiser Bravo One power trim hose connector gasket applications

• MerCruiser Bravo Two power trim hose connector gasket applications

• MerCruiser Bravo Three power trim hose connector gasket applications

• MerCruiser Bravo IV / Sportsmaster trim manifold gasket applications where 27-988231 is specified

• MerCruiser Alpha / Bravo gimbal housing trim manifold gasket locations using 27-988231

  

• Drive Type: MerCruiser Alpha / Bravo sterndrive

• System Type: Power trim hose connector gasket / trim manifold gasket

• Application Note: This is a trim manifold / hydraulic connector gasket, so fitment follows the trim manifold and gimbal housing design rather than engine model alone

  

🔌 Function

  

The gasket seals the hydraulic trim connector / manifold interface to help prevent trim fluid leakage and water intrusion around the gimbal housing trim hose connection.

  

Common signs of failure:

  

• Trim fluid seepage at connector block

• Water or corrosion around trim manifold area

• Trim hose connector removed during service

• Gasket torn or flattened

• Hydraulic trim system losing fluid near transom assembly

  

📦 Condition

  

• Genuine Quicksilver part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 12.0 AUD
- **Vendor:** Quicksilver
- **Tags:** Quicksilver Marine Parts | Oils Service Kits & Engine Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 12.00 AUD | In stock |

## Images

- 27988231 Mercury MerCruiser 988231 Gasket | Genuine Quicksilver OEM Part

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> Source: [Sawley's Auto and Marine](www.sawleysautoandmarine.com.au/products/27988231-mercury-mercruiser-988231-gasket-genuine-quicksilver-oem-part)
> Updated: 2026-05-17