350 MPI Tow Sport – Engine & Inline Transmission NEW 2024-PY (Plus-Series) $17,655.

350 MPI Tow Sport – Engine & Inline Transmission Assy. NEW Plus-Series, 2024-PY
PT# 8M0187353; Mercruiser Engine Built by Quicksilver Products.


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.
3‑Years of Limited Factory Warranty. Runs on 87 Octane Fuel.
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.

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.

NOTE:  California Installation in 2007 or earlier Model Year Boats ONLY & MUST return a Core Engine.
United States Installation in 2009 or earlier Model Year Boats ONLY & MUST return a Core Engine.

NOTES: Payment by Wire Transfer, PayPal, Credit Card, Debit Card or Cash.

  1. Add 4% to Total Price if paid by PayPal.
  2. Add 4% To Total Price if Paid by Credit Card; must be in Store ONLY
  3. Shipping weight 985#.
  4. Can be Shipped in Continental United States only.
  5. F.O.B. point of Origin San Dimas, California.
  6. Shipping is an additional charge. Call for Shipping Quote

Condition New
Manufacturer Quicksilver Products
Model Year 2024-PY
Model 350 Tow Sport In-Line Plus-Series Engine with Transmission
MSRP $21,318.75
Price $17,655.00
Color Black / Other
Stock Number PT# 8M0187353
Additional Pricing Information Can be Shipped in CONTINENTAL UNITED STATES

Payment and pickup of engine shall be PRO BOATS 555 Covina Blvd. San Dimas, CA., USA 91773

If you have any further questions, please contact us at 909-599-0531.


2020 PRO BOATS This website and its contents are the property of PRO BOATS. Reproduction in whole or in part without permission is prohibited.