MERCRUISER 8M0187349 Engine 4.3

( Brand: Mercruiser ), ( Manufacturer Part Number: 8M0187349 ), ( Part Type: Engine ), ( Stroke: 4-stroke ), ( Engine Hp : 175 )

Review MERCRUISER 4.3 Engine

Mercruiser 8M0187349 4.3 Liter Alpha One Inline Four-Cylinder Outboard Engine

The Mercruiser 8M0187349 4.3 Liter Alpha One Inline Four-Cylinder Outboard Engine is a powerful, efficient, and reliable marine propulsion system designed for a variety of watercraft applications. This engine is a testament to Mercruiser's commitment to innovation, performance, and durability.

At its core, the 4.3 Liter Alpha One Inline Four-Cylinder Outboard Engine delivers an impressive power output of up to 200 horsepower, making it an ideal choice for high-performance boats, runabouts, and demanding applications. The advanced four-cylinder design ensures smooth and responsive power delivery, while the high-compression, all-aluminum block offers superior heat dissipation and longevity.

The engine features Mercruiser's proprietary Alpha One sterndrive system, which offers unparalleled acceleration, maneuverability, and efficiency. The system's optimized gear ratio provides quick hole shots and smooth, predictable handling at all speeds. Additionally, the automatic trim and tilt system ensures optimal performance in various water conditions, while the integrated Power Steering system reduces steering effort for a more comfortable and enjoyable boating experience.

The 4.3 Liter Alpha One Inline Four-Cylinder Outboard Engine also boasts a number of advanced technical features. These include Digital Throttle & Shift (DTS) technology for precise and intuitive control, closed-loop fuel injection for improved fuel efficiency and reduced emissions, and a high-output alternator for reliable power supply to onboard electronics.

The engine is designed with ease of maintenance in mind. The oil change interval is extended to 100 hours, reducing maintenance frequency and downtime. The engine also features a top-access multi-point fuel system, making fuel filter changes simple and convenient.

In terms of aesthetics, the 4.3 Liter Alpha One Inline Four-Cylinder Outboard Engine features a sleek, modern design with a black powder-coated finish. The engine's compact footprint ensures it fits a wide range of boat types, while the low-profile design minimizes windage and improves fuel efficiency.

In conclusion, the Mercruizer 8M0187349 4.3 Liter Alpha One Inline Four-Cylinder Outboard Engine is a high-performance, efficient, and reliable marine propulsion system that offers superior power, maneuverability, and ease of use. Whether you're a seasoned boater or a newcomer to the world of marine entertainment, this engine is an excellent choice for your watercraft.

Analysis of Mercruiser 8M0187349 4.3 Engine

1. Reliable Performance: Known for their durability and dependability, Mercruiser engines are a popular choice among boat owners. The 8M0187349 model is no exception, offering smooth and consistent performance.

2. Efficient Power Output: With a displacement of 4.3 liters, this engine provides a decent amount of power, suitable for small to medium-sized boats. It delivers approximately 180 horsepower, making it capable of handling demanding water activities.

3. Fuel Efficiency: Compared to some other engines in its class, the Mercruiser 8M0187349 engine is relatively fuel-efficient, reducing operating costs over time.

4. Wide Availability: This engine model is widely available, making it easier to find replacement parts and service providers.

1. High Initial Cost: The Mercruiser 8M0187349 engine can be more expensive than some competing models, which might be a deterrent for budget-conscious buyers.

2. Maintenance Requirements: Like all engines, the Mercruiser 8M0187349 requires regular maintenance to ensure optimal performance and longevity. This includes tasks such as oil changes, cooling system maintenance, and regular inspections.

3. Noise Level: Some users have reported that this engine can be louder than they expected, especially at higher RPMs. This may be a concern for those looking for a quieter boating experience.

4. Limited Speed: While the 8M0187349 engine offers good power for its size, it may not provide the top speed that some users desire.

The Mercruiser 8M0187349 engine is a reliable and efficient power option for small to medium-sized boats. Its durability, fuel efficiency, and wide availability make it a strong choice for boat owners. However, its higher initial cost, maintenance requirements, noise level, and limited speed should be carefully considered before making a purchase.

If you're looking for a dependable engine that can handle various water activities, the Mercruiser 8M0187349 engine is a solid choice. However, if budget is a concern or if you prioritize a quieter, faster engine, you may want to explore other options within the Mercruiser line or consider engines from other manufacturers. Always ensure to research extensively, compare models, and consider your specific boating needs before making a decision.

Details:

part #: 8m0187349 prices

• $375.00-$9999.00

specifications completegengin:

• brand: Mercruiser
• mpn: 8m0187349
• part type: Engine
• stroke: 4-stroke
• engine hp : 175

returns completegengin:

• policy: No Returns

offer completegengin:

• options: Ship-to-home
• best offers: True
• started: October 19, 2025
• sold: 0
• quantity: 1
• availability: In Stock

general completegengin:

• condition: Used
• Boat Parts > Inboard Engines Components > Complete Gas Engines

seller completegengin:

• city: Kiel, Wisconsin
• rating: 0.0%
• # reviews: 0

payments completegengin:

• credit card: Visa
• wallet: Google-pay
• other

shipping completegengin:

• cost: $750.00
• service: Flat Rate Freight
• class: Freight
• type: Fixed

Mercruiser 8M0187349 Is Similar To:

• 1010586 Mercruiser 4.3l V6 Engine (65.6% similar) 3 l v6 merc with chrome valve covers. Approx 190 hp. I just bought a non-running boat with the intent to drop this block into it. The 10 bolt intake is setup for a 4 barrel carb. 3l merc from 86 to 92. Crank can be turned by hand with some effort, there is plenty of compression. Should replace any ...(June 3rd, 2017)
• V6 10172756 Inboard 4.3 Mercruiser Core Engine Block 4.3l Marine We Ship (35% similar) Block casting number 10172756GOOD used conditioned will come with the parts pictured on it, no other parts included. The ignition timing was off and the carburetor was dumping gas. It comes with the flywheel. It had 150 compression on all 6 cylinders. It was also leaking out of the thermostat ...(April 29th, 2015)
• 12342 Mercruiser Complete Alpha Engine Great Running Condition (43% similar) 5l engine in running condition ready to be dropped into a new boat. There is some surface rust on the engine but no damage. Up for sale is a 1987 Mercruiser i've only taken 1 picture due to it is still in the boat, was going put a new floor boat but have decide part out. Shipping is free to the ...(September 14th, 2018)
• 14088820 14088820 Mercruiser 3.0l Marine Engine (50.6% similar) Mercruiser marine engine head. I am including the push rods and head bolts. This was removed from a perfect running engine that had no leaks of any kind. The only thing it should need is new gaskets...(May 6th, 2017)
• 14097080 Mercruiser Gm 3.0l Engine (64.6% similar) Please look at the pictures and compare them to your existing part if applicable. This item may fit more years and sizes, or less. With the following information for a shipping quote:delivery addresses address business or residential. Compression was around 160 on all 4 cylinders. Engine watch this ...(June 13th, 2017)
• 14149r5 Mercruiser Volvo Penta Marine Engine Remanufactured (42.2% similar) 3l marine engines that are equipped with one-piece rear main seals, non-balance shaft, and a mechanical fuel pump. Calculated shipping in the continental USA - cost varies by buyer location. 3l engine is rated at 175-205HP the crank depending on intake, carb, exhaust manifolds, etc. Local pick-up ok...(August 8th, 2018)
• 1509-200 Falcon Marine Chevy Mercruiser Gen Engine Kit Gaskets Bearings Rings (33.3% similar) Brand new premium engine rebuild kit for standard rotation mercury marine Chevrolet in many cases we must buy new boxes from our suppliers. P/N image is for illustrative purposes only. Please understand this before you the '' - thanks, falcon sales management note that 'free shipping' was not free ...(September 18th, 2018)
• 181lmsrb Unbranded Remanufactured Marine Base Engine Block Replaces Mercruiser Years (20.9% similar) ...(July 9th, 2018)
• 185-v6 Mercruiser Engine Cover Spark (50.7% similar) Good used engine cover spark arrest. Some blames as pictured V6. Location M-64. Free shipping...(April 27th, 2017)
• 1a623273 Gmc Mercruiser Gm Marine Engine Complete Running Drop In And (40% similar) Serial number 1A623273 to verify your application and year. Liter 4-CYL Mercruiser engine. Extremely nice condition pictures tell all. Your mounting bolt with washer completely covers and secures engine. Engine was very clean and not painted to improve appearance or be misleading in any way. Nice, ...(May 24th, 2018)
• 2143nmsre Gm Marine New Extended Base Engine Carb Mercruiser (22% similar) ...(April 25th, 2018)