New 5.3L V8 DI SportPac Engine



Whether you are looking for a longblock replacement, complete engine replacement, or just a partial engine package, we've got you covered.

Replacing and upgrading your engine should be simple, and with Marine Power replacement engines it is. Find the perfect match for replacing your current engine, choose the options you need, and enjoy enhanced performance.

Replacement Options

Base Engine Replacement

Authentic General Motors marine base engines built on GM production lines strictly for marine use. Available in various displacements.

Partial Engine Replacement

The perfect replacement option if you are looking to reuse current engine components that are still good. Our partial engine packages are built to give you just what you need to get back on the water.

Complete Engine Replacement

If you are looking for a complete drop-in engine replacement look no further. Available in configurations to replace Inboard, Sterndrive, Mercruiser, Volvo, and OMC engines, our complete packages take the hassle out of engine replacement.


All Marine Power engines are built using authentic General Motors base engines built on GM production lines strictly for marine applications.

Drop In

Take the hassle out of replacing your engine with our drop-in complete replacement engines. Choose the options you need to gurantee a direct replacement and cruise the water with the piece of mind of all new parts and components.


Our replacement engines are built for industry leading sport performance. Like our advanced fuel system that prevents fuel starvation during sharp turns associated with wake boarding and skiing.

Upgrades Made Easy

No matter what you are replacing, we have the engine to help you upgrade your boat's performance. We make the process of replacing your engine simple to give you more time on the water.

Find your

Base Engines

Inboard Complete Engines

Sterndrive Complete Engines

New 5.7L GM Marine Long Block Engine
New 3.0L Marine ParPac Engine
New 8.2L 502 Cid SportPac Right Hand (Counter Rotation) Inboard Marine Engine Package
New 7.4L GM Marine Long Block Engine
New 3.0L Complete Inboard SportPac Engine