# 42259 Mercury MerCruiser 42260A6 MerCruiser Gimbal Housing | Genuine Quicksilver OEM Part

🔧 Product Description

  

Genuine MerCruiser Alpha Gimbal Housing - Part Number: 42260A6 / Casting Number: 42259

  

A genuine MerCruiser gimbal housing assembly used on Alpha One generation 1 transom assemblies. This housing forms the outer transom plate structure for the sterndrive mounting system and supports key steering, bell housing, drive and transom sealing components.

  

⚙️ Key Features

  

• Genuine MerCruiser OEM gimbal housing

• Correct service reference 42260A6 with casting number 42259

• Used on Alpha One generation 1 transom assemblies

• Square gimbal ring / square steering lever style application

• Supports bell housing, gimbal ring, steering and drive mounting components

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 42260A6 current assembly reference for casting 42259

• 42259 casting / housing reference

  

OEM / Related Numbers:

  

• 42259

• 42260A6

• 42260A8

• 42260 A6

• 42260 A8

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• MerCruiser Alpha One generation 1 transom assemblies with square gimbal ring / square steering lever layout

  

Typically suits:

  

• Drive / engine applications:

• MerCruiser Alpha One generation 1 transom assembly applications, 1983-1990

• MerCruiser Alpha One models with square gimbal ring and square steering lever

• MerCruiser 2.5L 120HP 4-cylinder Alpha One transom applications, 1983-1990

• MerCruiser 3.0L 140HP 4-cylinder Alpha One transom applications, 1983-1990

• MerCruiser 3.7L 170HP / 470 / 488 4-cylinder Alpha One transom applications, 1983-1990

• MerCruiser 4.3L V6 185HP / 205HP Alpha One transom applications using 3 inch exhaust Y-pipe layout

• MerCruiser 5.0L GM 305 V8 Alpha One transom applications using 3 inch exhaust Y-pipe layout

• MerCruiser 5.7L GM 350 V8 Alpha One transom applications using compatible Alpha One generation 1 transom layout

• MerCruiser Alpha One generation 1 gimbal housing applications using offset exhaust pipe bolt pattern outer plate

  

• Drive Type: MerCruiser Alpha One generation 1

• Year Range: 1983-1990

• System Type: Gimbal housing / transom assembly

  

🔌 Function

  

The gimbal housing forms the main outer transom mounting structure for the sterndrive, supporting steering movement, bell housing attachment, drive alignment and transom sealing.

  

Common signs of failure:

  

• Corrosion around the housing or steering shaft area

• Cracks or damage around mounting points

• Water intrusion through the transom assembly

• Excess play in the gimbal ring or steering system

• Damaged threads, studs or bell housing mounting surfaces

  

📦 Condition

  

• Genuine Quicksilver part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 1000.0 AUD
- **Vendor:** Quicksilver
- **Tags:** Quicksilver Marine Parts | Oils Service Kits & Engine Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1000.00 AUD | In stock |

## Images

- 42259 Mercury MerCruiser 42260A6 MerCruiser Gimbal Housing | Genuine Quicksilver OEM Part

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> Source: [Sawley's Auto and Marine](www.sawleysautoandmarine.com.au/products/42259-mercury-mercruiser-42260a6-mercruiser-gimbal-housing-genuine-quicksilver-oem-part)
> Updated: 2026-05-30