Mercruiser Alpha & Bravo Transom Assembly Differences

Mercruiser Alpha Transom Specifications

Alpha Gen 1 – Used until 1991 – Mercruiser Alpha Generation 1 Transom Assemblies Pricing

Alpha Gen 2 – Used from 1991 thru 1993 (Old round gear lube bottle with brass fitting through the gimbal housing):
Mercruiser Alpha Transom Assemblies Technical Specifications
Mercruiser Alpha Generation 2 Transom Assemblies Pricing

Alpha Gen 2 – Used from 1994 & Up (Newer style square gear lube bottle with plastic fitting through the gimbal housing):
Mercruiser Alpha Generation 2 Transom Assemblies Technical Specifications
Mercruiser Alpha Generation 2 Sterndrive Assemblies Pricing

Select this link for more information regarding – Mercruser Alpha Gen 1 versus Alpha Gen 2 Sterndrives

Mercruiser Bravo Transom Specifications

  • Bravo Production Transom, die cast gimbal ring
  • Bravo Magnum Transom, sand cast gimbal ring
  • Bravo HP Magnum Transom, no trim sender, solid hinge pins
  • Bravo Smartcraft Transom, Digital trim sender

 

  • The diesel transom has a bypass fitting located on the inside of the plate near the location of the inlet water fitting.
  • The diesel transom assembly comes with a new trim pump that may or may not be needed
  • The gimbal bearings are all the same now
  • The exhaust bellows differs between the gas and diesel transom assemblies.

Mercruiser Bravo Transom Assemblies Specifications & Pricing 

Mercruiser Bravo Transom Assemblies Cut-Out Template


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