New 2019 Mercury 357 MAG BRAVO 4V Plus-Series Engine – $7,689.00*


357 Mag Bravo, Engine Only, Part #865108R85. (Plus-Series Engine) Built by Mercury Remanufacturing Division.

This is the Perfect Option for Mercruiser 5.0L, 5.7L and 7.4L Bravo Engines. 1-YEAR Mercury Marine Warranty.

This complete engine comes ready to drop in with all NEW components for exhaust, cooling, electrical and fuel systems.

This Special Engine comes standard with the following equipment by Mercruiser:

  • 10-Pin Ignition Harness Connection
  • Bravo Sterndrive Coupler
  • Serpentine Belt Driven Sea Water Pump
  • Alternator
  • Power Steering Pump
  • Billet Steel Roller Camshaft
  • 750CFM 4bbl Marine Carburetor
  • Hypereutectic Pistons 0.040″ Oversize
  • High Volume Oil Pump
  • Thunderbolt V Ignition with Knock control.


  • Horsepower @ flywheel: 325
  • Maximum RPM (WOT): 4400-4800
  • Cylinders: V-8 Remanufactured Iron Marine Block
  • Displacement (CID/L):357 / 5.8
  • Bore & Stroke (in/mm):4.04 x 3.48in 103 x 88mm
  • Compression Ratio:9.4:1
  • Fuel / Ethanol Tolerance:87 octane / up to 10% ethanol
  • Engine Control System: Thunderbolt V w/Knock Control
  • Fuel Delivery System: 4V carburetor and mechanical fuel pump
  • Carburetor Type: 750 CFM Weber 4V with electric choke
  • Induction System: Dual plane aluminum intake manifold with brass water crossover
  • Charging alternator Amp: 55
  • Water drain system: Multi-point drain
  • Exhaust System: Electro-deposition paint coated warm iron manifold with wet joint elbow
  • Cooling System: 160F Raw Water Bravo with Sea Water Pump
  • Accessory Drive System: Serpentine belt
  • Lubrication System: High Flow 60 psi Oil Pump
  • Recommended Oil: Mercury MerCruiser Synthetic Blend 25W-40, NMMA FC-W rated
  • Pistons: Cast Hypereutectic Alloy
  • Cranktrain: Powder Metal Rods and Nodular Iron Crankshaft
  • Rocker Arms: 1.5:1 Stamped Steel
  • Length (in/mm):32in/814mm
  • Width (in/mm):30in / 740mm
  • Height (in/mm): 22in / 559mm
  • Weight (lbs/kg): 871lbs / 395kg
  • Shipping weight: 899# in Crate
  • FOB origin.


  1. Add 4% to total if paid by PayPal. Add 6% to total, if paid by Credit Card (non-refundable).
  2. Can ship in Continental United States ONLY; to a Marine Service Center.  Call for Shipping Quote.


Condition New
Manufacturer Mercury
Model Year 2019
Model 357 MAG BRAVO 4V Plus-Series Engine
Retail Price $8,875.00
Price $7,689.00*
Color Black
Stock Number 865108R85
Additional Pricing Information Can Ship In Continental United States




*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.
NOTE: Models with a price of “Request a Quote” are always included in a $0 search, regardless of actual value.