MERCRUISER Ecm Mag Mpi Horizon 864273006/ 866127T04

( Brand: Mercruiser ), ( Manufacturer Part Number: 864273006/ ), ( Part Type: Ecm ), ( Country/region Of Manufacture: United States )

Review MERCRUISER 864273006/ Ecm Mag Mpi Horizon fits 350

Introducing the Mercruiser 864273006/866127T04 ECM 350 MPI Horizon, a state-of-the-art electronic control module (ECM) designed to optimize the performance and efficiency of your Mercruiser engine. This ECM is specifically engineered to work with Mercruiser 350 Mag MPI Horizon engines, ensuring a perfect fit and seamless integration.

The ECM 350 MPI Horizon is a microprocessor-based unit that utilizes advanced digital technology to manage engine functions, such as fuel injection, ignition timing, and idle control. It features Mercruiser's Multi-Point Electronic Fuel Injection (MPI) system, which delivers precise fuel delivery to each cylinder for optimal combustion and improved engine response.

One of the key benefits of the ECM 350 MPI Horizon is its ability to communicate with other engine systems and external sensors, allowing for real-time engine monitoring and diagnostics. This includes monitoring engine temperature, coolant level, oil pressure, and various other engine parameters. The ECM also provides important warning alerts, such as low fuel level, overheating, or fault codes, ensuring that potential issues are identified and addressed in a timely manner.

The ECM 350 MPI Horizon is also designed to be user-friendly, with easy-to-use menus and intuitive programming features. It comes with a built-in, adjustable digital tachometer, which can be displayed on a compatible electronic gauge or multifunction display. Additionally, the ECM allows for customizable settings, such as adjustable idle speed and engine rev limit, providing greater flexibility to meet the specific needs of your boat or application.

The ECM 350 MPI Horizon is also designed with durability in mind, featuring a waterproof and corrosion-resistant housing to withstand the harsh marine environment. It is also compatible with a wide range of Mercruiser engine models, making it a versatile and practical choice for a variety of applications.

In summary, the Mercruiser 864273006/866127T04 ECM 350 MPI Horizon is a high-performance electronic control module that delivers precise engine control, advanced diagnostics, and user-friendly features. Its ability to communicate with other engine systems and external sensors, combined with its durability and versatility, make it an excellent choice for boaters and marine engineers looking to optimize the performance and efficiency of their Mercruiser engines.

Mercruiser 864273006/866127T04 ECM 350 MPI Horizon: A Detailed Analysis

The Mercruiser 864273006/866127T04 Engine Control Module (ECM) 350 MPI Horizon is a popular choice for boat owners due to its advanced features and reliability. In this analysis, we will discuss the pros and cons of purchasing this ECM to help you make an informed decision.

1. Advanced Fuel Injection Technology: The ECM 350 MPI Horizon uses Multi-Point Fuel Injection (MPI) technology, which optimizes fuel delivery to each cylinder, resulting in better combustion efficiency and reduced emissions.

2. Improved Performance: With the ability to provide precise fuel delivery, the ECM 350 MPI Horizon enhances engine performance and provides better throttle response.

3. Easy Installation: The plug-and-play design of the ECM makes installation a relatively straightforward process, even for those without extensive mechanical knowledge.

4. Enhanced Diagnostic Capabilities: The ECM features self-diagnostic capabilities, which help identify and resolve issues quickly, reducing downtime and maintenance costs.

5. Seamless Integration: The ECM can be easily integrated with other boat systems, such as GPS, depth finders, and digital gauges, providing boat owners with a more comprehensive and customizable experience.

1. Cost: The Mercruiser 864273006/866127T04 ECM 350 MPI Horizon can be more expensive than other ECMs on the market, which may deter some boat owners.

2. Requires Compatible Engine: The ECM is specifically designed for Mercruiser engines, so it may not be compatible with other brands or models, limiting its versatility.

3. May Require Additional Sensors: Depending on the specific boat setup, additional sensors may be required for optimal performance, which can add to the overall cost.

The Mercruiser 864273006/866127T04 ECM 350 MPI Horizon offers several advantages, including advanced fuel injection technology, improved performance, easy installation, enhanced diagnostic capabilities, and seamless integration with other boat systems. However, its relatively high cost and limited compatibility with engines other than Mercruiser may be drawbacks for some boat owners. Ultimately, the decision to purchase this ECM depends on your specific needs, budget, and the engine type of your boat. If you own a Mercruiser engine and prioritize advanced fuel injection technology and enhanced diagnostic capabilities, the ECM 350 MPI Horizon could be an excellent investment. Otherwise, you may want to consider other, more cost-effective options.

Details:

ECM was installed on a repaired engine and run approximately hours before the other in vessel failed. Owner removed and replaced both engines this ECM was on the good engine. This ECM is for an engine with 3 relay and the distributor mounted Cam Sensor.

part #: 864273006 prices

• $950.00-$1100.00

specifications otsterndriv:

• for models: 350
• brand: Mercruiser
• mpn: 864273006/
• part type: Ecm
• country/region of manufacture: United States

general otsterndriv:

• Boat Parts > Sterndrive Motors Components > Other
• condition: Used

seller otsterndriv:

• # reviews: 73
• rating: 100.0%
• city: Melbourne, Florida

offer otsterndriv:

• sold: 0
• started: June 10, 2025
• options: Ship-to-home
• quantity: 1
• availability: In Stock

returns otsterndriv:

• policy: No Returns

shipping otsterndriv:

• carrier: USPS
• class: Standard
• transit: 3-10 Days
• cost: $0.00
• service: USPS Ground Advantage
• type: Calculated

payments otsterndriv:

• other
• credit card: Mastercard
• wallet: Apple-pay

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