MarinePower USA,
MarinePower VORTEC Engines
and Marine Power Solutions
Technical Manuals

Marine Power USA primarily serves the boating and marine
industry with its innovative engine solutions.
It was founded in 1950 and is based in Ponchatoula, Louisiana.
From airboats to jetboats and everything in between,
Marine Power has the engine to fit your application.
The 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.

download manuals

=> 1 - MarinePower USA Engines Peripherals

=> 2 - MarinePower USA Engines EFI-MEFI            Fuel Injection Systems

=> 3 - MarinePower USA Engines all models

=> 4 - MarinePower USA Engines Wiring Schematics Diagrams

=> 5 - (MP Series) Marine Power Solutions Engines all models

MarinePower USA Engines Peripherals :

5.3L & 6.2L (2010-Present) Exhaust Manifold parts (EN)

J-1 J-2 J-3 ECM Connector identification (2007-2013) (EN)

LT4 Airboat Installation (EN)

X-Stream Jet Pump 901M owner & parts manual (EN)

X-Stream Jet Pump 901M-01SD parts manual (EN)

Tachometer Failure 2001-2007 MEFI 4 (EN)

Shift Interrupt 2007-2013 MEFI-5 (EN)

MarinePower USA Engines EFI-MEFI Fuel Injection Systems :

EFI 5.7L 8.2L service manual (1993-1998) (EN)

MEFI-3 5.7L 8.2L service manual (1998-2001) (EN)

MEFI-4 8.1L service manual (2001-2007) (EN)

MEFI-5 Trouble Codes (EN)

MEFI-5 5.7L service manual (2007-2013) (EN)

MEFI-6 service manual (2014-Present) (EN)

MEFI-6 Trouble Codes (EN)

MEFI-7 ECM Pinout Map (EN)

MEFI-7 Trouble Codes (EN)

MarinePower USA Engines all models :

1.0L Ecotec owner manual (EN)

3.0L-181CID Vortec 3000 – 2009 specifications (EN)

3.0L-181CID to 8.2L-502CID Pre-2011   owner operation manual (EN)

3.0L-181CID 4.1L-250CID 4.3L-262CID (1986-1992)   service manual (EN)

3.0L-181CID - 8.2L-502CID (1986-1992) parts manual (EN)

3.0L-181CID (1993-2000) parts manual (EN)

4.3L-262CID Vortec 4300 – 2009 specifications (EN)

4.3L 5.3L 6.2L LT4 MEFI 7 Direct Injection owner manual (EN)

4.3L 5.7L Vortec MPI 6.0L VVT 6.2L LS3 6.2L LSA   owner manual (EN)

4.3L-262CID (2001-2007) service manual (EN)

4.3L-262CID Vortec (1993-2000) parts manual (EN)

5.0L 5.7L MEFI Vortec service manual (EN)

5.0L- 305CID 5.7L-350CID (1986-1992) service manual (EN)

5.0L- 305CID 5.7L-350CID Vortec (2001-2007)   service manual (EN)

5.3L- 325CID V8 (L83) specifications (EN)

5.3L & 6.2L GEN V DI & 6.2L LT4 owner manual (EN)

5.7L-350CID Vortec 5700 – 2009 specifications (EN)

5.7L-350CID Vortec (1993-2000) parts manual (EN)

5.7L-350CID Vortec (2005-2009) parts manual (EN)

6.0L-364CID Vortec 6000 V8 (LY6) – 2009 specifications (EN)

6.0L-364CID (2001-2007) service manual (EN)

6.0L-364CID 6.2L-376CID (2014-Present) service manual (EN)

6.2L-376CID V8 (L86) specifications (EN)

6.2L-376CID LS3 V8 – 2009 specifications (EN)

6.2L-376CID LSA V8 SC – 2009 specifications (EN°

6.2L-376CID LT4 V8 VVT SC specifications (EN)

7.4L-454CID 330hp owner manual (EN)

7.4L-454CID 8.2L-502CID (1986-1992) service manual (EN)

7.4L-MPI-454CID & 8.2L-502CID (1993-2000) parts manual (EN)

MarinePower USA Engines Wiring Schematics Diagrams :

5.7L Wiring Harness schematic (472605) (EN)

Distributor Kit wiring diagram (EN)

J1939 to NEMA2000 wiring diagram (EN)

MEFI-4 MEFI-4-ECM wiring diagrams (EN)

MEFI-5 MEFI-5-ECM wiring diagrams (EN)

(MP Series) Marine Power Solutions Engines all models :

MP214 operation manual (EN)

MP321 operation manual (EN)

MP327 MP332 MP437 operation manual (EN)

MP446 operation manual (EN)

MP458 operation manual (EN)

MP470 MP480 MP490 operation manual (EN)

MP485 operation manual (EN)

MP4110T operation manual (EN)

MP4120Ti operation manual (EN)