Marine Power

Base Engine

[140- HP]
GM Powertrain Logo

Displacement Options: 3.0, 5.3, 5.7, 6.2

Authentic GM Marine longblock engines manufactured on GM production lines strictly for marine use. Available in both standard and counter rotations in multiple displacements. Serves as the base for all Marine Power engines.

Our base engines are the ideal replacement for your engine if the existing components are still good and can be reused. With the ability to be configured and built up to match any application, our base engines offer ultimate flexibility.

GM Authenticity, outstanding performance, variety, and versatility make our marine base engines the premium longblock replacement option.

New 3.0L GM Marine Long Block Engine

3.0L LONGBLOCK

Part Number: 881301

Power Up
HP
New 5.3L DI L83 Base Engine

5.3L L82 LONGBLOCK

Part Number: 880531

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HP
882579-right-2

5.7L HD LONGBLOCK

Part Number: 881579

Counter Rotation: 881575

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HP
New 6.2 DI L86 Base Engine

6.2L DI L87 LONGBLOCK

Part Number: 880687

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HP