fits model: Marine, 454. make: Mercury. year: 1988–1991.

( Manufacturer Part Number: 90747A3 ), ( Part Type: Distributor ), ( Country/region Of Manufacture: United States )
Experience the unparalleled reliability and power of the GM Mercury Marine 454 7.4L Distributor 90747A3. This high-performance component is a must-have for any marine enthusiast seeking a smooth, efficient, and long-lasting engine operation.
Manufactured between 1988 and 1991, this distributor is specifically designed to work with the iconic 454 7.4L engine, ensuring optimal performance and longevity. The 90747A3 distributor is renowned for its ability to handle the high-powered demands of the 454 engine while maintaining precise ignition timing.
This distributor features a robust, die-cast aluminum housing, providing durability and resistance to corrosion, even in the harshest marine environments. The internal components are engineered for precision, with a high-quality rotor and breaker point ignition system. The breaker point design offers excellent spark consistency, contributing to improved engine performance and fuel efficiency.
The 90747A3 distributor is easy to install, ensuring a hassle-free experience for DIY enthusiasts or professional mechanics alike. The distributor cap is designed with a large, easy-to-read marking to ensure correct rotor positioning for accurate ignition timing.
In addition to its performance benefits, this distributor also features a vibrant red and blue color scheme, adding a touch of style to any engine bay. Whether you're cruising on a sunny day or fishing in rough seas, the GM Mercury Marine 454 7.4L Distributor 90747A3 is the perfect companion for your high-powered marine engine.
In conclusion, the 1988-1991 GM Mercury Marine 454 7.4L Distributor 90747A3 is a high-quality, reliable, and efficient component that delivers the power and performance you expect from a legendary marine engine. Upgrade your 454 engine today and experience the difference with the 90747A3 distributor.
1. Powerful: The 7.4L (454 cubic inches) engine size is known for its power and torque, making it suitable for high-performance applications.
2. Reliable: Many users have reported that these distributors are reliable and durable, especially with proper maintenance.
3. Availability: Parts for these distributors are generally easy to find due to their widespread use and long production period.
4. Affordable: Compared to some other high-performance marine distributors, these can be reasonably priced, making them an attractive choice for budget-conscious buyers.
Cons:1. Age: Being produced in the late 1980s and early 1990s, these distributors may have worn-out components due to their age, which could lead to issues.
2. Technology: Older technology may not meet the efficiency or reliability standards of newer distributors.
3. Compatibility: Ensure that the distributor is compatible with your specific marine engine model and year, as there may be variations within the 454 series.
4. Potential for aftermarket issues: If purchasing a used distributor, be cautious about aftermarket modifications that could affect its performance or lifespan.
Conclusion:The 1988-1991 GM Mercury Marine 454 7.4L Distributor 90747A3 offers a powerful and reliable option for marine engine owners on a budget. However, it's essential to consider its age and potential for worn-out components. Ensuring compatibility with your engine and being cautious about aftermarket modifications can help mitigate potential issues. If you prioritize power and are willing to perform regular maintenance, this distributor could be a worthwhile investment. If you prefer newer technology or a more efficient engine, you may want to consider other options.
Removed from a tested motor. Net parts detail merc m-90747a gm Mercury Marine 454 cid 7. In good working condition,has some slight rust.
4l distributor part 90747A3. Fits many different model's check link below.