New 2024-PY Mercury 350 MPI (300-hp) PARTIAL ENGINE ’05-’15 $9,195.00

NEW Mercury 350 MPI (300-hp) ’05-’15 PARTIAL ENGINE (CRATE ENGINE) 300 HP @ 4800-5200 RPM

Part# 8M0187351  Has 3-Year Mercury Warranty. Not just a service replacement, this all NEW Construction crate engine can be used as a power upgrade for 2005 & newer non-ECT MerCruiser 5.0L Bravo sterndrives (s/n 0W310000 and up) with dual knock sensors & Gen 3 Cool Fuel.

  • Full Throttle Range: 4800-5200 RPM
  • Displacement: 350-CI / 5.7L
  • Engine Type: All NEW 4-bolt Main iron block with Mercury iron heads using screw in Rocker Studs with Harden Seats
  • Bore & Stroke: 4.00″ x 3.48″
  • Compression Ratio: 9.4:1
  • Rocker Arm Ratio: 1.5:1
  • Stamped Steel Cranktrain: Nodular Iron crankshaft with Power Metal Rods.
  • Fuel Requirement: 87 Octane (R+M)/2
  • Fuel System: MPI fuel system includes Fuel Injectors, Fuel Rail & Sensors.
  • Induction System: Marine intake with iron base and 2-piece long runner intake with 75mm Throttle Body Unit.
  • Ignition System: High Voltage Switch and Platinum Spark Plugs.

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

  1. Credit Card add 4% to Total Price. PayPal add 4% to Total Price.
  2. Payment by Credit Card & Debit Card must be in Store ONLY
  3. Shipping weight 600#.
  4. Shipped by Freight Truck LTL; can be shipped within Continental United States; to a business with Fork Lift or Loading Dock.
    Call for shipping quote.
  5. F.O.B. point of Origin.

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


Condition New
Manufacturer Mercury
Model Year 2024-PY
Model 350 MPI (300-hp) PARTIAL ENGINE ’05
Retail Price $10,862.50
Price $9,195.00*  USD
Color Black
VIN# 8M0187351
Stock Number 8M0187351




*Price, if shown, does not include government fees, taxes, additional equipment, installation or any finance charges (if applicable). Final actual sales price will vary depending on options or accessories selected.
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