fits model: Mercruiser. year: 1972-77–1982-86.

( Part Type: Ignition Cap Distributor )
Experience seamless engine ignition with our high-quality Mercruiser 4988 Inboard Distributor, designed specifically for the 393-4988t Ignition system (1972-1977). This precision-engineered component is also compatible with Mercruiser inboard engines from 1982 to 1986.
Crafted with meticulous attention to detail, this distributor features a robust design that ensures durability and reliability. Its rotor and cap assembly work in harmony to deliver a consistent spark to the engine's ignition system, promoting optimal combustion and improved performance.
The distributor cap, made from high-quality materials, offers a snug fit, preventing any potential voltage leaks. The cap's design ensures even distribution of spark across the spark plug wires, thus reducing the risk of misfires and enhancing engine performance.
The distributor's rotor, designed to rotate synchronously with the engine's crankshaft, features a unique, hard-wearing material that resists wear and tear, ensuring a long service life. The rotor's polarity pattern is precisely calibrated to ensure perfect synchronization with the ignition system, resulting in smooth engine operation.
This distributor also comes with a vacuum advance mechanism, allowing for improved fuel efficiency and throttle response. The mechanism works by advancing the ignition timing under light load conditions, enabling the engine to run more efficiently and reducing fuel consumption.
In conclusion, our Mercruiser 4988 Inboard Distributor is an essential upgrade for your engine ignition system. Its robust design, combined with its precision engineering and advanced features, makes it an ideal choice for boat owners seeking a reliable, high-performance distributor for their 393-4988t Ignition (1972-1977) or Mercruiser inboard engines (1982-1986).
1. Reliability: The Mercruiser Cap 4988 inboard distributor is known for its durability and long-lasting performance, making it a reliable choice for a 393-4988t engine.
2. Availability: As it was produced for several years (1972-1986), finding a compatible distributor for a 393-4988t engine should not be overly difficult.
3. Performance: The Mercruiser Cap 4988 distributor is designed to provide smooth and efficient ignition, enhancing the overall performance of the engine.
4. Compatibility: Given the specific model range (393-4988t), it is likely that the distributor is designed to fit and work seamlessly with the engine.
Cons:1. Age: The distributor is relatively old, which may lead to concerns about the condition of the internal components. Some parts may need to be replaced for optimal performance.
2. Potential Compatibility Issues: While it is likely to be compatible, there may be minor differences between the distributor and the engine that could cause issues. It is essential to verify compatibility before purchasing.
3. Limited Technology: The distributor does not feature advanced electronic components, which may limit its ability to work with newer or more sophisticated engine systems.
4. Potential Hard-to-Find Parts: As the distributor is older, finding replacement parts may become more challenging over time, leading to possible repair difficulties.
Conclusion:Purchasing a 1972-77 Mercruiser Cap 4988 inboard distributor for a 393-4988t engine can be a good choice due to its reliability and availability. However, potential buyers should be aware of the distributor's age and the possibility of compatibility issues or difficulty finding replacement parts. It is recommended to thoroughly inspect the distributor and verify compatibility before making a purchase. Additionally, consider the benefits of modern electronic distributors for improved performance and ease of repair.
Item listing for 1 distributor cap 393 4988t,4988. For use with various Mercruiser, v 8, I inboard ignition. Marine supply is a real business with an enormous 26,000 sq ft retail floor, many employees and several certified marine mechanics with decades of experience on both outboard and I o marine engines.
Condition new old stock. Please see included pictures. 95 shipping via ups ground.
Rs inventory pr s3 a2 4 rs 2 location marine supply on hwy 49 in Gulfport, ms directly across from Lowe's 84 lumber.