Marine Engine Depot. All Engines

1.0L L5Q GM ECOTEC Long Block Engine

880206

$2,047.50 $3,900.00

The ECOTEC 1.0L engine (L5Q) is engineered to deliver strong performance with excellent efficiency. The L5Q features an aluminum cylinder block and head that help reduce the vehicle’s overall mass to enhance performance and efficiency, while technologies such as continuously Variable Valve Timing with broad power bands make for an optimal balance of strong performance and low fuel consumption. This is a Brand New 1.0L marine base engine. Available for order now and ready to ship. Please note, these engines are unpainted.

New 3.0L Marine Long Block Engine

880303

$4,399.00

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.

New 5.3L DI L84 Base Engine

880532

$6,064.00

New 5.3L V8 DI SportPac Engine

S53L84

$17,036.00

Brand New 5.3L Gen V V-8 Small Block Marine Power SportPac Engine.

New 5.3L DI V8 Sportpac with Catalyst Exhaust

S53L84C

$17,936.00

This is a brand new 5.3L Gen V V-8 Small Block Sportpac with Catalyst Exhaust. Pictured engine does not depict Catalyst Exhaust.

New 5.3L DI Sterndrive EnPac Engine

E53L84

$17,533.00

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

New 5.3L DI JetPac Engine

J53L84

$15,515.00

Brand New 5.3 Liter 325CID Marine Power JetPac Engine.

New 5.3L DI JetPac Engine with Catalyst Exhaust

J53L84C

$17,497.00

Brand New 5.3 Liter 325CID Marine Power JetPac Engine.

New 5.7L GM Marine Long Block Engine

881579

$5,995.00

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.

New 5.7L GM Marine Long Block Engine

MP1808

$5,995.00

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.

New 6.2L DI L87 Base Engine

880687

$7,277.00

The L87 builds upon the previous 6.2L L86 with integral components for Automatic Start/Stop capability and available Dynamic Fuel Management (DFM) for even greater efficiency. Efficient, robust technologies including Direction Injection, Variable Valve Timing, oil-jet piston cooling, and a two-stage oil pump continue to part of the 6.2L heritage.

New 6.2L DI JetPac Engine

J62L87

$17,868.00

This is a brand new 6.2L L87 Jetpac Engine, the perfect option for your new boat or your repower needs.

New 6.2L DI JetPac Engine with Catalyst Exhaust

J62L87C

$19,668.00

This is a brand new 6.2L DI L87 Jetpac Engine with Catalyst Exhaust. This engine is the perfect choice for your new boat or your repower needs.

New 6.2L DI L87 EnPac Engine

E62L87

$18,447.00

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

New 6.2L DI EnPac Engine with Catalyst Exhaust

E62L87C

$17,343.00

The New 6.2L L87 Enpac Engine features the latest technology from both Marine Power and General Motors. Image does not depict catalyst exhaust.

New 6.2L DI SportPac Engine

S62L87

$18,447.00

This is a brand new 6.2L DI L87 Sportpac Engine, perfect for your new boat or your repower needs.

New 6.2L DI SportPac Engine with Catalyst Exhaust

S62L87C

$19,857.00

This is a brand new Gen-V 6.2L Sportpac Engine with Catalyst Exhaust, perfect for your new boat or your repower needs.

New 6.2L Gen V AirPac Engine

A62L87

$14,061.00

Brand new 6.2L Gen V AirPac Engine.

New 6.2L Gen V AirPac Engine with Catalyst Exhaust

A62L87C

$14,773.00

Brand new 6.2L Gen V AirPac Engine.

New LSX 7.4L Complete Multiport Fuel Injected EnPac Engine

E74LSX

$27,046.00

LSX Small Block with Big Block Power. Includes Top Mount Rear Entry Starter, Borg Warner Style Bell Housing, Damper Plate. Mercruiser Coupler and Bell Housing Available at Additional Cost.

New LSX 7.4L Complete Multiport Fuel Injected JetPac Engine

J74LSX

$28,157.00

LSX Small Block with Big Block Power for Jet Boat Applications. Includes Top Mount Rear Entry Starter, Borg Warner Style Bell Housing, crank adapter and driveline are available at additional cost.

New LSX 7.4L Complete Multiport Fuel Injected SportPac Engine

S74LSX

$22,546.00

LSX Small Block with Big Block Power. Includes Top Mount Rear Entry Starter, Borg Warner Style Bell Housing, Damper Plate. Mercruiser Coupler and Bell Housing Available at Additional Cost.

New 6.2L DI LT4 620HP AirPac Engine

A62LT4

$26,984.00

Introducing the Marine Power LT4 AirPac engine. A 620 Horsepower Supercharged Direct Injected engine designed and calibrated specifically for Airboat applications.

New 6.2L DI LT4 High Horsepower 700HP AirPac Engine

A62LT4R

$31,365.00

Introducing the Marine Power LT4 AirPac engine. A 700 Horsepower Supercharged Direct Injected engine designed and calibrated specifically for Airboat applications.

New 6.2L DI LT4 High Horsepower 700HP JetPac Engine

J62LT4R

$36,584.00

Introducing the Marine Power LT4 JetPac engine.

New 6.2L DI LT4 Marine 620HP EnPac Engine

E62LT4

$33,910.00

Introducing the Marine Power LT4 EnPac engine. A 620 Horsepower Supercharged Direct Injected engine designed and calibrated specifically for Sterndrive applications.

New 6.2L DI LT4 Marine 620HP JetPac Engine

J62LT4

$32,731.00

Introducing the Marine Power LT4 JetPac engine.

New 6.2L DI LT4 Marine 620HP SportPac Engine

S62LT4

$32,478.00

Introducing the Marine Power LT4 SportPac engine. A 620 Horsepower Supercharged Direct Injected engine designed and calibrated specifically for Inboard applications. Transmission in picture not included.