fits model: Efi. make: Mercury. year: 1994–2002.

( Brand: Mercury/mariner ), ( Manufacturer Part Number: 821663A ), ( Part Type: Alternator )
The 1994-2002 821663A Mercury Mariner alternator is a vital component of your 3.0L EFI powered Mercury Mariner engine, providing the necessary electrical power to support your vehicle's electrical systems. This alternator is designed for engines with power outputs ranging from 225hp to 300hp, making it an ideal choice for high-performance applications.
The 821663A alternator features a robust and reliable design, ensuring consistent and reliable power delivery. It is constructed from high-quality materials, including a cast aluminum housing and a robust drive belt pulley, to withstand the rigors of continuous use in marine applications. The alternator is also equipped with a dual-sensing regulator, which ensures optimal charging performance across a wide range of engine speeds, ensuring your battery is always charged and ready for use.
The alternator is also equipped with a high-output diode, which ensures that any excess electrical charge is converted into DC power, rather than being wasted as heat. This not only improves the overall efficiency of your electrical system but also helps to extend the lifespan of your battery.
Installing the 821663A alternator is a straightforward process, and it is compatible with a range of Mercury Mariner models. The alternator comes with all necessary mounting hardware, including bolts and washers, making installation a breeze. It is also designed to fit seamlessly into your existing electrical system, ensuring a smooth and hassle-free installation.
In summary, the 1994-2002 821663A Mercury Mariner alternator is a high-performance, reliable, and durable component that is essential for maintaining optimal electrical performance in your 3.0L EFI powered Mercury Mariner engine. Its robust construction, high output, and easy installation make it a popular choice among boat owners and enthusiasts.
Pros of buying a 1994-2002 Mercury Mariner 3.0L EFI alternator (225hp, 250hp, 300hp) with a 594 number:1. Widely available: These alternators are commonly used in Mercury Mariner models, making them easily obtainable from various sources.
2. Replacement parts are readily available: Due to their popularity, you can find numerous replacement parts for these alternators, including new, rebuilt, and remanufactured units.
3. Reliable performance: The 594 alternator is known for its durability and dependable performance, offering a steady power supply for your Mercury Mariner's electrical system.
Cons of buying a 1994-2002 Mercury Mariner 3.0L EFI alternator (225hp, 250hp, 300hp) with a 594 number:1. Potential for incompatibility: Although the 594 alternator is a common choice, it's essential to ensure it's compatible with your specific Mercury Mariner model and year. Incorrect installation may lead to electrical problems or engine performance issues.
2. Quality concerns: Not all manufacturers prioritize quality control, leading to potential issues with the alternator's construction or performance. Researching reputable suppliers and inspecting the alternator upon arrival are crucial to minimize this risk.
3. Cost: While generally affordable, the cost of purchasing and installing a new alternator can add up, especially if you choose to hire a professional.
Recommendation:The 1994-2002 Mercury Mariner 3.0L EFI alternator (225hp, 250hp, 300hp) with a 594 number offers a reliable and widely available solution for your Mercury Mariner's electrical needs. To ensure a smooth and successful installation, research reputable suppliers, carefully inspect the alternator upon arrival, and make sure it's compatible with your specific vehicle model and year. Ultimately, a well-maintained and properly installed alternator can help prolong the life of your Mercury Mariner's electrical system and keep your vehicle running smoothly.
Location: 25th ave.
Cf Gulfport, ms please see included pictures. Mercury Mariner outboard motors part: 821663A 1 alternator year: 1994 -2002horsepower: may fit more model's condition: used.
Directly across from Lowe's and 84 lumber.