Mercury-Mercruiser 8M0187364 Quicksilver 3.0L Longblock Assembly

8M0187364 Quicksilver 100% New Value Series Longblock
4 Cylinder 3.0 Liter, 181 Inline‑4 (Left‑Hand Standard Rotation) 
3‑Years of Limited Warranty in the USA

No core & no container deposits

100% new Quicksilver Value Series longblocks are not converted automobile units nor remanufactured.  Quicksilver Value Series longblocks are built from scratch for Marine applications, and some are compatible for Industrial duty! 

100% New Content Quicksilver Engine features: cast iron block, large fillet radii crankshaft, Tri‑metal bearings, 9.3:1 hypereutectic pistons, and 1.5:1 rocker arms. Quicksilver cylinder head features: hardened seats, screw in studs, Black‑X valves & an exclusive Quicksilver combustion chamber allowing 4 deg BTDC base timing. Content includes harmonic balancer, oil pan, & valve cover. Compatible with front or side engine mounts. Pilot bore machined into crankshaft to accept dealer installed Volvo couplers. No provision for cylinder head mounted fuel injectors.

Quicksilver 3.0L Alpha 135 HP 100% New Quicksilver Marine

Replaces all makes of 1990 & up marine & LMX industrial engines not using dedicated MPI heads.

Applications include:
1990‑1997 3.0L LX engines (SN 0C856599 – 0K999999)
1998 & up 3.0L carbureted & MC 3.0 MPI (0L010042 & up)

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 engine is equipped with an oil cooler then the cooler MUST BE REPLACED in order to prevent the probability of a premature internal engine failure. If the cooler is not replaced, the longblock WILL NOT BE ELIGIBLE FOR WARRANTY CONSIDERATION.