New 350 MPI Tow Sport Plus Series
8M0187353
Engine & Inline Transmission Assy. 2024-PY
Specifications:
315 HP @ 5200 RPM – Standard / Left‑Hand rotation. Brand New 350 cubic inch FULLY dressed marine engine with 45C ZF/Hurth Transmission Assembly. Engine features: New Quicksilver 4.00″ bore V8 iron block, new nodular iron 3.48″ stroke crankshaft, Multi‑Port Fuel Injection using Cool Fuel 3, Dry Joint Ski Exhaust facing the flywheel, 75mm TBU, 2‑piece aluminum intake manifold with iron base, new fuel injector & rail assembly, new sensors, new HVS assembly, serpentine belt accessory drive system, high‑lift billet steel roller camshaft, raw water cooling, hand removable blue drain plugs, new Quicksilver high flow iron cylinder heads with screw‑in rocker studs, 9.4:1 pistons, and 1.5:1 rocker arms. Includes marine grade: starter, 65 Amp alternator, oil pan, sea pump, flame arrestor, circulating water pump, spark plugs and wires. The 350 MPI Tow uses ECM555 with Engine Guardian and is SmartCraft ready using a 14‑pin harness. Custom Blue Flame hand air brushed engine cover included. New 45C ZF/Hurth Transmission 1.00:1 gear ratio iron housing with mounts, cooler, shift bracket, hoses, fluid filled, and 3″ output flange.
Runs on 87 Octane Fuel.
315 HP New PLUS SERIES Engine and Transmission Inline Assembly
Used to replace all models of MerCruiser Tow Sport inline engines built between 1990‑2015. Any adaptation of this engine into a boat not using a MerCruiser engine may require minor changes to the boat’s stringer and fuel system to accommodate this engine. Do not modify this engine’s mounts nor fuel system to adapt into a boat. S‑pipes sold separately.
Only by Quicksilver Products. 3-Year Mercury Marine Factory Warranty. ALL NEW ENGINE; no remanufactured parts.
3‑Years of Limited Factory Warranty
NOTE: Because this is a completely new engine and not a major repower assembly, the old engine being replaced is to be returned per EPA 1068.240.
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Product Code: 712-8M0187353
