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