This is a brand new Authentic General Motors heavy duty marine base engine. This 5.7L Marine engine is built strictly for marine use on GM production lines. The price includes intake manifold gaskets. The 5.7L L31 is the premier industrial workhorse, providing the power needed to get the job done without sacrificing fuel efficiency or durability. Includes: Vortec Engine with High Flow Cylinder Heads, Harmonic Balancer, Oil Pan, and Valve Covers. Replaces MerCruiser: 8M0088397, 866138A03, 807449R5, 807449R50, 863661R5, 8M0124238, 866138R03, 8M0124033, and Volvo Penta 3801527.

This is a Brand New 3.0L marine base engine. This 3.0L Marine engine is built strictly for marine use. Available for order now.

This is a brand new Authentic General Motors heavy duty marine base engine. This 5.7L Marine engine is built strictly for marine use on GM production lines. The price includes intake manifold gaskets. The 5.7L L31 is the premier industrial workhorse, providing the power needed to get the job done without sacrificing fuel efficiency or durability. Includes: Vortec Engine with High Flow Cylinder Heads, Harmonic Balancer, Oil Pan, and Valve Covers. Replaces MerCruiser: 8M0088397, 866138A03, 807449R5, 807449R50, 863661R5, 8M0124238, 866138R03, 8M0124033, and Volvo Penta 3801527.

This a brand new 5.3L Direct Injected complete engine package. Ideal for replacing Mercruiser/OMC/Volvo applications. Power Steering included.

The New 6.2L L87 Enpac Engine features the latest technology from both Marine Power and General Motors.