fits model: K2b. make: Mercury. year: 2000.

( Manufacturer Part Number: 11719787-C2 ), ( Part Type: Cap ), ( Materials Sourced From: United States )
The **Mercury 11719787-C2 End Cap** is a precision-engineered, high-performance component designed exclusively for the **2000 250HP K2B outboard motor**, ensuring optimal sealing, durability, and reliability in demanding marine environments. Crafted from **high-grade, corrosion-resistant materials**, this end cap is engineered to withstand the harshest conditions, from saltwater exposure to intense vibration and thermal fluctuations, making it an essential part of maintaining the longevity and peak performance of your Mercury outboard. The **C2 designation** signifies a specialized design tailored to the K2B s internal architecture, featuring a **tight, interference-fit seal** that prevents oil leaks, reduces friction, and minimizes wear on critical components like the crankshaft and thrust washer. Its **smooth, machined surface** ensures a perfect alignment with the motor s internal housing, while the **reinforced structure** provides structural integrity under high loads, whether you re cruising at full throttle or operating in rough, choppy waters. This end cap is not merely a functional part but a **critical contributor to the efficiency and power output** of the 250HP K2B, as it helps maintain proper lubrication and pressure within the engine s internal systems. Whether you re a seasoned boater or a performance enthusiast, upgrading or replacing this end cap with an OEM-quality part like the **11719787-C2** ensures that your Mercury outboard continues to deliver **unmatched power, responsiveness, and dependability** season after season. Built to Mercury s exacting standards, this component is a testament to the brand s commitment to **precision engineering and marine excellence**, making it a must-have replacement for anyone seeking to preserve the performance and reliability of their 2000 250HP K2B outboard.
### **Pros and Cons of Buying a Mercury 11719787-C2 End Cap (250 HP, 2000 K2B)**
#### **Pros:**1. **High Performance** The 250 HP rating indicates strong power output, making it suitable for high-speed applications like boats, generators, or industrial equipment. The K2B engine family is known for reliability and efficiency, delivering consistent performance under load.
2. **Durability and Build Quality** Mercury engines, particularly from the K2B series, are built with robust materials and precision engineering. The end cap (part number 11719787-C2) is a critical component that ensures proper sealing and cooling, reducing the risk of internal damage from overheating or pressure buildup.
3. **Compatibility with Mercury K2B Series** This part is specifically designed for the 2000 K2B engine, ensuring a perfect fit and optimal function. Using an OEM part minimizes the risk of compatibility issues that can arise with aftermarket replacements.
4. **Warranty Coverage** If purchased directly from Mercury or an authorized dealer, this part may come with a warranty, providing peace of mind against manufacturing defects. Mercury s reputation for customer support can also be an advantage if service or replacement is needed.
5. **Ease of Installation** As an end cap, this part is relatively straightforward to replace, especially for those with basic mechanical skills. Mercury provides installation guides and tools to simplify the process.
6. **Long-Term Reliability** The K2B engine series is known for longevity, and using genuine parts like this end cap helps maintain the engine s health over time. Proper maintenance and part replacement extend the engine s lifespan.
7. **Support for Marine and Industrial Use** If you re using this engine in a boat, generator, or other applications, the end cap s role in pressure and cooling regulation is critical. A high-quality part ensures the engine operates safely under demanding conditions.
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#### **Cons:**1. **Cost** Genuine Mercury parts, especially for high-performance engines, can be expensive. The end cap itself may not be the most costly component, but if labor or additional parts are required during installation, the total expense could add up.
2. **Limited Availability** Depending on your location, finding this specific part (11719787-C2) may require ordering from an online retailer or a specialized marine/engine parts store. Stock shortages or delays could cause inconvenience.
3. **Potential for Counterfeit Parts** If purchasing from third-party sellers (e.g., eBay, Amazon, or uncertified dealers), there s a risk of receiving counterfeit or low-quality replicas. Counterfeit parts may fail prematurely or cause damage to the engine.
4. **Specialized Tools or Expertise Required** While the installation is manageable for DIYers, some steps (e.g., sealing, torque specifications) may require specialized tools or knowledge. Improper installation could lead to leaks or performance issues.
5. **Wear and Tear Over Time** Even high-quality parts degrade with use. The end cap may need replacement periodically, especially if the engine is used frequently or in harsh conditions (e.g., saltwater exposure in marine applications).
6. **Maintenance Requirements** The K2B engine, like all high-performance engines, demands regular maintenance (oil changes, cooling system checks, etc.). Neglecting maintenance could reduce the lifespan of the end cap and other components.
7. **Environmental and Legal Considerations** If disposing of an old end cap or engine, there may be environmental regulations or disposal fees to consider. Mercury engines contain materials that require proper recycling or disposal to avoid pollution.
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### **Conclusion:**The **Mercury 11719787-C2 end cap (250 HP, 2000 K2B)** is a **high-quality, reliable part** that is essential for maintaining the performance and longevity of your engine. Its **durability, compatibility, and support from Mercury s warranty** make it a strong choice for serious users. However, the **cost, potential availability issues, and need for proper installation** are factors to weigh carefully.
If you re replacing a worn or damaged end cap and prioritize **performance, longevity, and peace of mind**, this part is a **recommended purchase**, especially if sourced from an **authorized dealer or trusted supplier**. For budget-conscious buyers, weighing the long-term benefits against the upfront cost is crucial aftermarket alternatives may exist, but they carry risks of quality and compatibility.
### **Recommendation:**- **Buy from an authorized Mercury dealer or a reputable marine/engine parts supplier** to ensure authenticity and warranty coverage.
- **Verify compatibility** with your exact engine model (2000 K2B) to avoid mismatches.
- **Follow Mercury s installation guidelines** to prevent leaks or damage.
- **Budget for potential additional costs** (labor, tools, or maintenance) if DIY installation is not feasible.
- **Consider long-term value** while the part is expensive, its role in preventing engine failure justifies the investment for high-use applications.
For most users, the **benefits of using a genuine Mercury part outweigh the drawbacks**, making this a **strong recommendation** for those who prioritize reliability and performance.
As pictured freshwater from a 2000 250hp 3.0L.