fits make: Omc.

( Brand: Brp Evinrude/johnson ), ( Manufacturer Part Number: 580558 ), ( Part Type: Coil ), ( Country Of Origin: United States )
The **Evinrude/Johnson OMC Coil Lead (Part #580558)** is a high-performance, precision-engineered replacement component designed exclusively for Evinrude, Johnson, and OMC outboard motors, ensuring optimal electrical connectivity and reliable ignition system functionality. This coil lead is crafted from high-quality, durable materials to withstand the demanding conditions of marine environments, including exposure to saltwater corrosion, extreme temperatures, and constant vibration. Engineered to meet or exceed OEM specifications, this coil lead features a robust, insulated wire construction that maintains electrical integrity while preventing shorts, ensuring consistent spark generation for smooth engine operation. Its compact yet sturdy design allows for easy installation, fitting seamlessly into the motor s ignition system without requiring modifications. Whether used in recreational boats, fishing vessels, or performance watercraft, this coil lead plays a critical role in maintaining the reliability and efficiency of the outboard s ignition system, reducing the risk of misfires, stalling, or electrical failures. Built to last, this part is a cost-effective solution for motor owners seeking to extend the lifespan of their Evinrude, Johnson, or OMC outboard while ensuring peak performance under all operating conditions.
### **Pros and Cons of buying a Evinrude/Johnson 580558 OMC Coil Lead (Freight Motor)**
#### **Pros:**1. **Compatibility with Older Evinrude/Johnson Engines** This coil lead is designed for older **Evinrude 4/5/6/8 HP** and **Johnson 4/5/6/8 HP** outboard motors, particularly those from the **1970s to early 2000s**. If you own a classic or vintage boat with one of these engines, this part is likely necessary for ignition.
2. **Standardized Ignition System** The OMC (Original Motor Corporation) coil lead was widely used before modern electronic ignition systems became standard. Many older boats still rely on this type of wiring for reliable spark.
3. **Ease of Replacement** Since this is a common part, it is relatively easy to find and replace, especially if you have access to marine parts dealers or online retailers.
4. **Durability (When Properly Maintained)** If kept clean and free from corrosion, the coil lead can last for many years, especially in freshwater applications.
5. **Cost-Effective** Compared to newer electronic ignition systems, this coil lead is often cheaper, making it a budget-friendly option for older boat owners.
6. **Simple Installation** Replacing the coil lead is a straightforward DIY job that doesn t require specialized tools or expertise.
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#### **Cons:**1. **Outdated Technology** Modern outboards use **electronic ignition (EI) systems**, which are more reliable, efficient, and resistant to moisture and corrosion. The OMC coil lead is a **mechanical/coil-based system**, which can be less consistent in performance.
2. **Susceptibility to Moisture and Corrosion** The coil lead and associated wiring are more prone to **electrical shorts, corrosion, and water damage** compared to sealed electronic ignition systems. This can lead to **frequent failures, especially in saltwater environments**.
3. **Potential for Spark Issues** Over time, the coil can **lose strength**, leading to **weak sparks, misfires, or difficulty starting**, particularly in cold weather. This can be frustrating and may require frequent adjustments or replacements.
4. **Limited Availability of Skilled Mechanics** While the part itself is easy to find, **diagnosing and fixing related ignition problems** may require someone familiar with older mechanical systems, which can be harder to locate than modern marine technicians.
5. **Incompatibility with Modern Modifications** If you ve upgraded your engine with **electronic controls, fuel injection, or performance modifications**, the OMC coil lead may not integrate well, leading to **compatibility issues or reduced performance**.
6. **Higher Long-Term Maintenance** Since this system is more prone to wear, you may need to **clean, tighten, or replace components more often** than with a modern electronic ignition setup.
7. **Potential for Electrical Interference** Older coil-based systems can be **more sensitive to electrical noise**, which may cause **erratic spark or starting problems**, especially if other electrical components (like bilge pumps or fish finders) are present.
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### **Conclusion:**The **Evinrude/Johnson 580558 OMC Coil Lead** is a **practical and affordable solution** for owners of **older, classic outboards** that still rely on this ignition system. It is **easy to source and install**, making it a good choice for **budget-conscious boaters** who prioritize simplicity over modern reliability.
However, if you are **running a boat frequently, especially in saltwater, or considering performance upgrades**, the **long-term reliability and durability of an electronic ignition system** (such as a **Johnson/Evinrude EI kit**) would be a **better investment**. Electronic ignition is **less prone to failure, more efficient, and easier to troubleshoot**, making it the **preferred choice for modern boating**.
If you **must use the OMC coil lead**, ensure you **inspect it regularly for corrosion, tighten connections, and keep it dry** to maximize its lifespan. If possible, **transitioning to an electronic ignition system** in the future would be a **smart upgrade** for better performance and fewer headaches.
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### **Final Recommendation:**- **If you own a classic boat with an older Evinrude/Johnson engine and need a quick, low-cost fix**, the **580558 OMC Coil Lead** is a **reasonable short-term solution**.
- **If you plan to keep the boat long-term, use it frequently, or operate in saltwater**, **upgrade to an electronic ignition system** (such as a **Johnson/Evinrude EI kit**) for **better reliability and longevity**.
- **If you re unsure about compatibility**, consult a **marine mechanic** to assess whether your engine can safely run with this coil lead or if an upgrade is necessary.
Ultimately, **modern electronic ignition is the better long-term choice**, but the OMC coil lead remains a **viable option for vintage boats** where cost and simplicity are priorities.
Part is new, old stock.