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383 MAG V8 Pro Series Longblock

$5,962.00 to $9,368.00
Save $727.75 (10%) $6,625.00 - $9,368.75
Limited Availability Not all variations in stock

This product will be cross shipped from one of our secondary warehouses. Please note the additional handling time.

Last update: 3 days ago Update Now

Inventory for 807447R02
WHS1 WHS2 WHS3 WHS4
In Stock Unavailable Unavailable Unavailable
  • This is an OEM part manufactured by Mercury Marine
  • Flat rate shipping starting at $3.95
  • 30 day return policy

Product Description

As the original equipment manufacturer, Mercury has the benefit of engineering resources and the experience to remanufacture a true marine‐based engine. Every Pro‐Series Longblock is completely remanufactured with components suitable for marine applications.

With a 1‐Year Factory Limited Warranty, Pro‐Series Longblocks from Mercury Remanufacturing can be installed with complete confidence. Major Assembly Protection is also available from Mercury Product Protection.

NOTE: When replacing an MIE Longblock, it may be necessary to transfer the original Aluminum Oil Pan to the replacement block for additional corrosion protection and to ensure a proper dipstick location.

View the application chart

4 Product Variations available

Pro Series Longblock - 383 MAG - Remanufactured 807447R02

  • Condition: remanufactured
  • Engine Description: Remanufactured PRO‑Series Longblock. GM 8 Cyl., 6.3 Liter Gen+ 383 V8 (Left‑Hand Standard Rotation) with remanufactured 062 Vortec cylinder heads. This block is used to service the 383 Mag 4V Plus‑Series engines 865108R90 and 8M0061212 with standard rotation. This block is NOT equipped for applications using a CPS (Crank Position Sensor). This block has provisions for use with or without a mechanical fuel pump. Unique to this engine is a special camshaft profile, springs, screw‑in rocker studs, head casting, 1.6:1 roller rocker arms and 100 PSI oil pump.
$6,193.00
You save $688.25. (10%)
CROSS SHIP Leaves in 3-5 days
$6,193.00
You save $688.25. (10%)

Pro Series Longblock - 383 MAG - Remanufactured 865108R01

  • Condition: remanufactured
  • Engine Description: Remanufactured PRO‑Series Longblock GM 8 Cyl., 6.3 Liter Gen+ 383 V8 (Left‑Hand Standard Rotation) with remanufactured Vortec cylinder heads. This engines is used to service 2005 thru 2007 Mercury Remanufacturing 383 Mag Stroker Multi‑Port Fuel Injected marine engines, 865108R10, 865108R11 & 865108R80. This block has provisions for a CPS (Crank Position Sensor). There are NO provisions for a mechanical fuel pump. It uses a proprietary 383 roller camshaft profile, 1.6:1 roller rocker arms and 100 PSI oil pump.
$5,962.00
You save $663.00. (10%)
CROSS SHIP Leaves in 3-5 days
$5,962.00
You save $663.00. (10%)

Pro Series Longblock - 383 MAG - Remanufactured 879147R55

  • Condition: remanufactured
  • Engine Description: Remanufactured PRO‑Series Longblock GM 8 Cyl., 6.3 Liter Gen+ 383 V8 (Left‑Hand Standard Rotation) This engine is used to service the Mercury Remanufacturing 383‑Stroker Scorpion sterndrive and tow sports engines.
$9,368.00
You save $.75. (0%)
NOT SHIPPING No Longer Available
$9,368.00
You save $.75. (0%)

Pro Series Longblock - 383 MAG - Remanufactured 8M0062371

  • Condition: remanufactured
  • Engine Description: Remanufactured PRO‑Series Longblock. GM 8 Cyl., 6.3 Liter Gen+ 383 V8 (Right‑Hand Opposite Rotation) with remanufactured 062 Vortec cylinder heads. This block is used to service the 383 Mag 4V Plus‑Series engines 8M0061213 with RH opposite rotation. This block is NOT equipped for applications using a CPS (Crank Position Sensor). This block has provisions for use with or without a mechanical fuel pump. Unique to this engine is a special camshaft profile, springs, screw‑in rocker studs, head casting, 1.6:1 roller rocker arms and 100 PSI oil pump. Revers rotation equipment includes: Camshaft, Seals, Crank Polish & Piston Installation ‑ uses standard timing chain.
$6,541.00
You save $727.75. (10%)
CROSS SHIP Leaves in 3-5 days
$6,541.00
You save $727.75. (10%)

Product Questions

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Application and Fitment Chart

SKU Manufacturer Group Model Year Range Serial Range
865108R01 Mercruiser 6.2L 377 CID V-8 383 Mag Stroker 1996 - 2016 All and up

Flat $3.95 Shipping on ALL parts orders

We offer shipping flat $3.95 shipping on ALL parts orders. (Complete Engines, Lower Units and Sterndrives excluded). In addition orders over $89 have reduced cost express shipping available in checkout.

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You can get a rough idea of standard transit times from the map above.