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Remanufactured Marine Engines

29 of 29 Items
  • Sale
    250ci Marine Engine  (1963-82) 250ci Marine Engine  (1963-82) 250ci Marine Engine  (1963-82) 250ci Marine Engine  (1963-82)

    Michigan Motorz

    250ci Marine Engine (1963-82)

    In-Line 6 cylinder (250 ci) remanufactured marine engine (2-piece rear main seal, flat tappet cam). This motor has been professionally remanufactured to meet or exceed GM OEM marine engine stock specifications. This engine is a direct replacement for...

    Was: $3,379.00
    Now: $2,899.00
  • Sale
    3.0L Marine Engine (1968-1989) 3.0L Marine Engine (1968-1989) 3.0L Marine Engine (1968-1989) 3.0L Marine Engine (1968-1989) 3.0L Marine Engine (1968-1989)

    Michigan Motorz Reman

    3.0L Marine Engine (1968-1989)

    This 3.0L marine engine (1968-1989) has been professionally remanufactured to meet or exceed GM OEM marine engine stock specifications. It is a standard rotation GM marine engine and a direct replacement for 1968-1989 applications with mechanical fuel...

    Was: $4,989.00
    Now: $3,989.00
  • Sale
    3.0L Marine Engine (1990-2018) 3.0L Marine Engine (1990-2018) 3.0L Marine Engine (1990-2018) 3.0L Marine Engine (1990-2018) 3.0L Marine Engine (1990-2018)

    Michigan Motorz Reman

    3.0L Marine Engine (1990-2018)

    This 3.0L marine engine (1990-2018) has been professionally remanufactured to meet or exceed GM OEM marine engine stock specifications. ONE-PIECE rear main seal. It is a standard rotation GM marine engine and a direct replacement for 1990-2018...

    Was: $4,929.00
    Now: $3,979.00
  • Sale
    4.3L Marine Engine (1986-92) 4.3L Marine Engine (1986-92) 4.3L Marine Engine (1986-92) 4.3L Marine Engine (1986-92) 4.3L Marine Engine (1986-92)

    Michigan Motorz Reman

    4.3L Marine Engine (1986-92)

    This 4.3L marine engine (1986-1992) has been professionally remanufactured to meet or exceed GM OEM stock marine engine specifications. It is a standard rotation GM marine engine and a direct replacement for 1986-1992 with mechanical fuel pump provision...

    Was: $3,679.00
    Now: $2,979.00
  • Sale
    4.3L Marine Engine (1993-95) 4.3L Marine Engine (1993-95) 4.3L Marine Engine (1993-95) 4.3L Marine Engine (1993-95) 4.3L Marine Engine (1993-95)

    Michigan Motorz Reman

    4.3L Marine Engine (1993-95)

    This 4.3L marine engine (1993-1995) has been professionally remanufactured to meet or exceed GM OEM marine engine stock specifications. It is a standard rotation GM marine engine and a direct replacement for 1993-1995 with electric fuel pump provision...

    Was: $3,849.00
    Now: $3,079.00
  • Sale
    4.3L Vortec Marine Engine (1996-2007) 4.3L Vortec Marine Engine (1996-2007) 4.3L Vortec Marine Engine (1996-2007) 4.3L Vortec Marine Engine (1996-2007) 4.3L Vortec Marine Engine (1996-2007)

    Michigan Motorz Reman

    4.3L Vortec Marine Engine (1996-2007)

    This 4.3L marine engine has been professionally remanufactured to meet or exceed OEM marine engine stock specifications. It is a standard rotation GM marine engine and a direct replacement for 1996-2007 with a #090 or #090M engine block. 4.3L MerCruiser,...

    Was: $4,079.00
    Now: $3,379.00
  • Sale
    4.3L Marine Engine (2008-2015) 4.3L Marine Engine (2008-2015) 4.3L Marine Engine (2008-2015) 4.3L Marine Engine (2008-2015) 4.3L Marine Engine (2008-2015)

    Michigan Motorz Reman

    4.3L Marine Engine (2008-2015)

    This 4.3L marine engine has been professionally remanufactured to meet or exceed OEM marine engine stock specifications. Block casting #234. It is standard rotation and a direct replacement for 2008-2015 4.3L MerCruiser, Volvo Penta, etc. This engine...

    Was: $4,179.00
    Now: $3,459.00
  • Sale
    5.0L (305 ci) Marine Engine (1967-86) 5.0L (305 ci) Marine Engine (1967-86) 5.0L (305 ci) Marine Engine (1967-86) 5.0L (305 ci) Marine Engine (1967-86) 5.0L (305 ci) Marine Engine (1967-86)

    Michigan Motorz Reman

    5.0L (305 ci) Marine Engine (1967-86)

    This 5.0L (305ci) marine engine has been professionally remanufactured to meet or exceed GM OEM marine engine stock specifications. It is a standard rotation GM 5.0L marine engine and a direct replacement for 1967-1985 marine engine with a TWO-piece rear...

    Was: $3,969.00
    Now: $3,189.00
  • Sale
    5.0L (305 ci) Marine Engine (1987-95) 5.0L (305 ci) Marine Engine (1987-95) 5.0L (305 ci) Marine Engine (1987-95) 5.0L (305 ci) Marine Engine (1987-95) 5.0L (305 ci) Marine Engine (1987-95)

    Michigan Motorz Reman

    5.0L (305 ci) Marine Engine (1987-95)

    This 5.0L (305ci) marine engine has been professionally remanufactured to meet or exceed GM OEM marine engine stock specifications. It is a standard rotation GM 5.0L (305ci) marine engine and a direct replacement for 1987-95 5.0L marine engine with a...

    Was: $3,989.00
    Now: $3,249.00
  • Sale
    5.0L Vortec Marine Engine (1996-2015) 5.0L Vortec Marine Engine (1996-2015) 5.0L Vortec Marine Engine (1996-2015) 5.0L Vortec Marine Engine (1996-2015) 5.0L Vortec Marine Engine (1996-2015)

    Michigan Motorz Reman

    5.0L Vortec Marine Engine (1996-2015)

    This 5.0L (305ci) marine engine has been professionally remanufactured to meet or exceed GM OEM marine engine stock specifications. It is a standard rotation GM 5.0L Vortec marine engine and a direct replacement for 1996-2015 5.0L marine engine with...

    Was: $5,279.00
    Now: $4,279.00
  • Sale
    5.3L (L83)  Marine Engine 5.3L (L83)  Marine Engine 5.3L (L83)  Marine Engine 5.3L (L83)  Marine Engine 5.3L (L83)  Marine Engine

    Michigan Motorz Reman

    5.3L (L83) Marine Engine

    This 5.3L (L83) Direct Injection marine engine is commonly installed in Volvo Penta & Ilmor Marine engine applications from 2014-2019. Please call (248)524-9600 extension #2 for details on this engine. We will need you to provide us with your engine...

    Was: $6,789.00
    Now: $5,599.00
  • Sale
    5.7L (350 ci) Marine Engine (1967-86) 5.7L (350 ci) Marine Engine (1967-86) 5.7L (350 ci) Marine Engine (1967-86) 5.7L (350 ci) Marine Engine (1967-86) 5.7L (350 ci) Marine Engine (1967-86)

    Michigan Motorz Reman

    5.7L (350 ci) Marine Engine (1967-86)

    This 350ci marine engine has been professionally remanufactured to meet or exceed GM OEM marine engine stock specifications. It is a standard rotation GM 350 ci (5.7L) marine engine and a direct replacement for 1967-1985 350ci marine engine with a...

    Was: $4,249.00
    Now: $3,649.00
  • Sale
    5.7L (350 ci) Marine Engine (1986) 5.7L (350 ci) Marine Engine (1986) 5.7L (350 ci) Marine Engine (1986) 5.7L (350 ci) Marine Engine (1986) 5.7L (350 ci) Marine Engine (1986)

    Michigan Motorz Reman

    5.7L (350 ci) Marine Engine (1986)

    This 1986 5.7L marine engine has been professionally remanufactured to meet or exceed GM OEM marine engine stock specifications. (one-piece rear main seal, perimeter-bolt cylinder heads, mechanical fuel pump pad). This 1986 5.7L engine is unique and...

    Was: $4,459.00
    Now: $3,699.00
  • Sale
    5.7L (350 ci) Marine Engine (1987-95) 5.7L (350 ci) Marine Engine (1987-95) 5.7L (350 ci) Marine Engine (1987-95) 5.7L (350 ci) Marine Engine (1987-95) 5.7L (350 ci) Marine Engine (1987-95)

    Michigan Motorz Reman

    5.7L (350 ci) Marine Engine (1987-95)

    This 5.7L (350ci) marine engine has been professionally remanufactured to meet or exceed GM OEM marine engine stock specifications. It is a standard rotation GM 5.7L (350ci) marine engine and a direct replacement for 1987-95 5.7L marine engine with a...

    Was: $4,659.00
    Now: $3,529.00
  • Sale
    5.7L (LT1) Marine Engine (1994-1997) 5.7L (LT1) Marine Engine (1994-1997) 5.7L (LT1) Marine Engine (1994-1997) 5.7L (LT1) Marine Engine (1994-1997) 5.7L (LT1) Marine Engine (1994-1997)

    Michigan Motorz Reman

    5.7L (LT1) Marine Engine (1994-1997)

    Remanufactured 5.7L LT1 Marine Engine (1994-1997) ONLY installed and used on Indmar Marine engines between 1994-1997 Cast iron 5.7L LT1 engine block with 5.7L LT1 aluminum cylinder heads This 5.7L LT1 engine will only work if you have an EXISTING 5...

    Was: $4,989.00
    Now: $3,989.00
  • Sale
    5.7L Vortec Marine Engine (1996-2020) 5.7L Vortec Marine Engine (1996-2020) 5.7L Vortec Marine Engine (1996-2020) 5.7L Vortec Marine Engine (1996-2020) 5.7L Vortec Marine Engine (1996-2020)

    Michigan Motorz Reman

    5.7L Vortec Marine Engine (1996-2020)

    This 5.7L marine engine has been professionally remanufactured to meet or exceed GM OEM marine engine stock specifications. It is a standard rotation GM 5.7L Vortec marine engine and a direct replacement for 1996-2020 5.7L marine engine with block...

    Was: $4,489.00
    Now: $3,749.00
  • Sale
    6.0L (LQ4) LS Marine Engine 6.0L (LQ4) LS Marine Engine 6.0L (LQ4) LS Marine Engine 6.0L (LQ4) LS Marine Engine 6.0L (LQ4) LS Marine Engine

    INDMAR

    6.0L (LQ4) LS Marine Engine

    This 6.0L (LQ4) marine engine is commonly installed in Indmar, PCM, Crusader, etc marine engine applications from 2003-2008. Please call (248)524-9600 extension #2 for details on this engine. We will need you to provide us with your engine serial # or...

    Was: $7,439.00
    Now: $4,989.00
  • Sale
    6.0L (LQ9) LS Marine Engine 6.0L (LQ9) LS Marine Engine 6.0L (LQ9) LS Marine Engine 6.0L (LQ9) LS Marine Engine 6.0L (LQ9) LS Marine Engine

    Michigan Motorz Reman

    6.0L (LQ9) LS Marine Engine

    This 6.0L (LQ9) marine engine is commonly installed in Indmar, PCM, Crusader, etc marine engine applications from 2003-2008. Please call (248)524-9600 extension #2 for details on this engine. We will need you to provide us with your engine serial # or...

    Was: $7,939.00
    Now: $5,599.00
  • Sale
    6.0L (LY6) LS Marine Engine 6.0L (LY6) LS Marine Engine 6.0L (LY6) LS Marine Engine 6.0L (LY6) LS Marine Engine 6.0L (LY6) LS Marine Engine

    INDMAR

    6.0L (LY6) LS Marine Engine

    This 6.0L (LY6) marine engine is commonly installed in Indmar, PCM, Crusader, etc marine engine applications from 2007-2011. Please call (248)524-9600 extension #2 for details on this engine. We will need you to provide us with your engine serial # or...

    Was: $7,439.00
    Now: $5,099.00
  • Sale
    6.0L (L96) LS Marine Engine 6.0L (L96) LS Marine Engine 6.0L (L96) LS Marine Engine 6.0L (L96) LS Marine Engine 6.0L (L96) LS Marine Engine

    Michigan Motorz Reman

    6.0L (L96) LS Marine Engine

    This 6.0L (L96) marine engine is commonly installed in Volvo Penta, Indmar, PCM, Crusader, etc marine engine applications from 2011-2020. Please call (248)524-9600 extension #2 for details on this engine. We will need you to provide us with your engine...

    Was: $7,439.00
    Now: $5,099.00
  • Sale
    6.2L Vortec Marine Engine (1996-2010) 6.2L Vortec Marine Engine (1996-2010) 6.2L Vortec Marine Engine (1996-2010) 6.2L Vortec Marine Engine (1996-2010) 6.2L Vortec Marine Engine (1996-2010)

    GM Marine

    6.2L Vortec Marine Engine (1996-2010)

    This 6.2L marine engine has been professionally remanufactured to meet or exceed GM OEM marine engine stock specifications. It is a standard rotation GM 6.2L Vortec marine engine and a direct replacement for 1996-2010 6.2L marine engine with block...

    Was: $8,389.00
    Now: $6,699.00
  • 6.2L (L86) Marine Engine 6.2L (L86) Marine Engine 6.2L (L86) Marine Engine 6.2L (L86) Marine Engine 6.2L (L86) Marine Engine

    Michigan Motorz Reman

    6.2L (L86) Marine Engine

    This 6.2L (L86) Direct Injection marine engine is commonly installed in Volvo Penta & Ilmor Marine engine applications from 2013-2019. Please call (248)524-9600 extension #2 for details on this engine. We will need you to provide us with your engine...

    $5,699.00
  • Sale
    6.2L (LS3) Marine Engine 6.2L (LS3) Marine Engine 6.2L (LS3) Marine Engine 6.2L (LS3) Marine Engine 6.2L (LS3) Marine Engine

    INDMAR

    6.2L (LS3) Marine Engine

    This 6.2L (LS3) marine engine is commonly installed in Indmar Marine engine applications from 2009-2016. Please call (248)524-9600 extension #2 for details on this engine. We will need you to provide us with your engine serial # or photos of your...

    Was: $7,439.00
    Now: $5,899.00
  • Sale
    7.4L (454 ci) Marine Engine MK4 (1978-1990) 7.4L (454 ci) Marine Engine MK4 (1978-1990) 7.4L (454 ci) Marine Engine MK4 (1978-1990) 7.4L (454 ci) Marine Engine MK4 (1978-1990) 7.4L (454 ci) Marine Engine MK4 (1978-1990)

    Michigan Motorz Reman

    7.4L (454 ci) Marine Engine MK4 (1978-1990)

    This 7.4L (454ci) Mark Four (MK4) marine engine (1978-1990) has been professionally remanufactured to meet or exceed GM OEM marine engine stock specifications. It is a standard rotation GM marine engine and a direct replacement for 1978-1990 7.4L engine...

    Was: $6,189.00
    Now: $4,699.00
  • Sale
    7.4L (454 ci) Marine Engine (1991-95) 7.4L (454 ci) Marine Engine (1991-95) 7.4L (454 ci) Marine Engine (1991-95) 7.4L (454 ci) Marine Engine (1991-95) 7.4L (454 ci) Marine Engine (1991-95)

    Michigan Motorz Reman

    7.4L (454 ci) Marine Engine (1991-95)

    This 7.4L (454ci) Gen 5 marine engine (1991-1995) has been professionally remanufactured to meet or exceed GM OEM marine engine stock specifications. It is a standard rotation GM marine engine and a direct replacement for 1991-1995 7.4L engine. One-piece...

    Was: $6,169.00
    Now: $4,889.00
  • Sale
    7.4L (454 ci) Vortec Marine Engine (1996-2002) 7.4L (454 ci) Vortec Marine Engine (1996-2002) 7.4L (454 ci) Vortec Marine Engine (1996-2002) 7.4L (454 ci) Vortec Marine Engine (1996-2002) 7.4L (454 ci) Vortec Marine Engine (1996-2002)

    Michigan Motorz Reman

    7.4L (454 ci) Vortec Marine Engine (1996-2002)

    This 7.4L (454ci) Generation Six (L29) marine engine (1997-2002) has been professionally remanufactured to meet or exceed GM OEM marine engine stock specifications. It is a standard rotation GM marine engine and a direct replacement for 1997-2002 7.4L...

    Was: $6,749.00
    Now: $5,639.00
  • Sale
    8.1L Marine Engine  (2001-2020) 8.1L Marine Engine  (2001-2020) 8.1L Marine Engine  (2001-2020) 8.1L Marine Engine  (2001-2020) 8.1L Marine Engine  (2001-2020)

    Michigan Motorz Reman

    8.1L Marine Engine (2001-2020)

    8.1L (496ci) (Standard Output or High Output) marine engine (one-piece rear main seal, roller cam & roller lifters). This motor has been professionally remanufactured to meet or exceed GM OEM marine engine stock specifications. Rated at 370-375 hp for...

    Was: $8,549.00
    Now: $7,499.00
  • Sale
    8.2L (502 ci) Base Marine Engine, 425 HP (1991-2001) 8.2L (502 ci) Base Marine Engine, 425 HP (1991-2001) 8.2L (502 ci) Base Marine Engine, 425 HP (1991-2001) 8.2L (502 ci) Base Marine Engine, 425 HP (1991-2001) 8.2L (502 ci) Base Marine Engine, 425 HP (1991-2001)

    GM Marine

    8.2L (502 ci) Base Marine Engine, 425 HP (1991-2001)

    8.2L (502 ci) Base Marine Engine, 425 HP (1991-2001)GM has been leading the marine engine industry for over 40 years. They have created new technologies to improve marine engine performance. The advanced technology you would find in GM automobiles can be...

    Was: $10,639.00
    Now: $9,499.00
29 of 29 Items

At Michigan Motorz, we carefully select only the most premium, low-hour engines to professionally remanufacture. These engines all undergo a 15-point inspection to insure quality, reliability and durability.

To give you an idea of all that goes into a Michigan Motorz remanufactured engine… the engine block and cylinder heads are completely disassembled, baked and blasted, checked again for cracks (magnafluxed), then reassembled using only the finest components. The engine block is always decked to insure proper sealing with the cylinder heads. The crank is either turned, polished or replaced, new Federal Mogul teflon-coated hypereutectic pistons (standard to .030 over) are installed, new or remanufactured rods, new Melling oil pump and timing set, new Hastings rings, new brass freeze plugs, new marine roller cam shaft and roller lifters (in applicable applications), new Durabond main bearings, cam bearings and rod bearings are used in all engines.

Cylinder heads are 3-angle cut for proper seating, and all of our heads are resurfaced and not milled. Before shipping out each Michigan Motorz remanufactured engine, we pressure check, spin test and compression test the engine to ensure 100% quality and reliability.

Most Michigan Motorz remanufactured engines come with the valve covers, marine oil pan, circulation pump and timing cover installed, unless otherwise specified.

For more information, call us at: (248) 524-9600