Mercury-Mercruiser 8M0187365 Quicksilver Longblock 5.7L 350 V-8 96-04
This is a genuine Mercury Marine factory OEM part, not aftermarket
Please check our current stock level and order below. Use the Contact Us form at the bottom of the page for any questions
New Quicksilver Value Series Longblock
8 Cylinder, 5.7 Liter, 350 V‑8 (Left‑Hand Standard Rotation)
100% New Content - 3 Year limited factory warranty in the USA
Replaces all makes of 1996‑2015 5.7L Gen+ marine engines using an 8‑bolt intake manifold with standard marine camshaft for 4600‑5000 RPM range. Does not include provisions for a mechanical fuel pump.
Engine features: Cast iron block, nodular iron crankshaft, single‑piece rear main seal, roller camshaft, marine oil pan, high flow oil pump, harmonic balancer and CPS included. Quicksilver cast iron cylinder heads include: hardened seats, screw in studs, & Black‑X valves.
Applications include:
1996‑2015 5.7L Gen+ Carbureted or Throttle Body Fuel Injected EFI sterndrive and inboard engines
2001‑2004 MCM (sterndrive) 350 Mag MPI engines (Serial # 0M300000 ‑ 0W309999)
2001‑2004 MIE (inboard) 350 Mag MPI engines (Serial # 0M300000 ‑ 0W389999)
Parts that will need to be transferred or purchased separately:
• Balancer
• Flywheel
• Spark Plugs
• Distributor
• Water pump
• Manifold gasket set
• Quicksilver Synthetic Blend 25W‑40 4‑Stroke Oil
If the engine is equipped with an oil cooler, the oil cooler must be replaced in order to prevent the probability of a premature internal engine failure.
NOTE: If the cooler is not replaced, the longblock will not be eligible for factory warranty consideration. If an internal engine failure should occur that is eligible for warranty consideration, a copy of the invoice indicating the purchase of an original type OEM oil cooler is required.
New Quicksilver Value Series Longblock
8 Cylinder, 5.7 Liter, 350 V‑8 (Left‑Hand Standard Rotation)
100% New Content - 3 Year limited factory warranty in the USA
Replaces all makes of 1996‑2015 5.7L Gen+ marine engines using an 8‑bolt intake manifold with standard marine camshaft for 4600‑5000 RPM range. Does not include provisions for a mechanical fuel pump.
Engine features: Cast iron block, nodular iron crankshaft, single‑piece rear main seal, roller camshaft, marine oil pan, high flow oil pump, harmonic balancer and CPS included. Quicksilver cast iron cylinder heads include: hardened seats, screw in studs, & Black‑X valves.
Applications include:
1996‑2015 5.7L Gen+ Carbureted or Throttle Body Fuel Injected EFI sterndrive and inboard engines
2001‑2004 MCM (sterndrive) 350 Mag MPI engines (Serial # 0M300000 ‑ 0W309999)
2001‑2004 MIE (inboard) 350 Mag MPI engines (Serial # 0M300000 ‑ 0W389999)
Parts that will need to be transferred or purchased separately:
• Balancer
• Flywheel
• Spark Plugs
• Distributor
• Water pump
• Manifold gasket set
• Quicksilver Synthetic Blend 25W‑40 4‑Stroke Oil
If the engine is equipped with an oil cooler, the oil cooler must be replaced in order to prevent the probability of a premature internal engine failure.
NOTE: If the cooler is not replaced, the longblock will not be eligible for factory warranty consideration. If an internal engine failure should occur that is eligible for warranty consideration, a copy of the invoice indicating the purchase of an original type OEM oil cooler is required.