Description
2026 Mercury Marine® 4.3L Alpha® 4V
Best Value on the WaterMercury remanufactured engines are factory refurbished with new components featuring the latest specifications and the newest technology, allowing you and your boat to benefit from improved power and reliability for less than the cost of a new engine.
Backed with ConfidenceAll Mercury remanufactured engines are backed by a one-year limited factory warranty. Mercury Product Protection is also available to provide up to an additional two years of coverage.
A Greener SolutionEngines from Mercury Remanufacturing reduce environmental impact by recycling and reusing major components brought back to OEM specifications. This reduces wasteful scrapping and lowers the energy and resources required to manufacture new parts.
Features may include:
Plus-Series AlphaSpecifications
| Manufacturer | Mercury Marine® |
| Model | 4.3L Alpha® 4V |
| Year | 2026 |
| Condition | New |
| Trim Name | Base |
| Generic Type (Primary) | General |
| Engine Type | Remanufactured V6 Iron Block |
| Engine Power | 225HP (168kW) |
| Ignition | System: EST |
| Lubrication | System: High-Flow Oil Pump |
| Bore | 4.030" (102mm) |
| Stroke | 3.480" (88mm) |
| Induction | System: Dual-Plane Aluminum Intake with Bronze Crossover and Pads |
| Compression Ratio | 9.4:1 | Rocker Arm: 1.5:1 |
| Throttle | 4200-4600 RPM |
| Exhaust | System: Iron Manifold with Wet-Joint Exhaust Elbow |
| Dimensions | LxWxH: 28" x 30" x 22" (696mm x 740mm x 559mm) |
| Cooling System | Thermostatically Controlled Raw Water - 160 degrees F |
| Weight | Engine: 782 pounds (355kg) |
| Drive System | Accessory: Serpentine Belt |
| Charging System | 65 Amp/917 Watt Alternator |
| Audio System | Warning: Oil Pressure, Coolant Temperature, Drive Lube |
| Fuel System | 600 CFM Weber Carburetor with Electric Fuel Pump and Choke | Requirement: 87 OCTANE (R+M)/2 |
| Features | Water Drain: System Multi-Point Drain - Hand-Removable Blue Drain Plugs | Alpha Ratios: 1.62:1, 1.81:1 High Altitude |
| Oil Type | Recommended Engine: SAE 25-40 NMMA Certified FC-W Synthetic Blend |