Flushing an outboard’s cooling system isn’t just good maintenance — it’s essential for keeping salt, sand, and debris from settling into places they shouldn’t. The Mercury Marine Flush Fitting Assembly - 8M6003382 makes that job quick and hassle-free, providing a reliable connection point to flush clean, freshwater directly through the engine’s cooling passages.

This isn’t just a basic fitting. Precision-molded to match Mercury’s exact specs, it seats securely without leaks, so water flows exactly where it’s needed — no mess, no wasted effort. Built from corrosion-resistant materials, it holds up under constant salt exposure and UV rays, while standing firm through vibration and the inevitable bumps that come with life on the water. Whether you’re flushing after every saltwater trip or just keeping up with routine maintenance, this fitting keeps the process efficient and ensures your cooling system gets a thorough rinse.

What sets it apart:

• OEM fit for select Mercury outboards — installs clean with no modification
• Secure connection ensures consistent, leak-free water flow
• Corrosion-resistant materials stand up to salt, UV, and vibration
• Simplifies post-trip maintenance for saltwater and brackish water use

Ideal for:

1. Flushing away salt, sand, and debris to protect cooling system components
2. Routine maintenance to extend engine life and prevent overheating
3. Ensuring reliable cooling performance after use in saltwater environments

Easy flushing is a simple step that pays off big in engine longevity — and this Mercury flush fitting keeps the process smooth, fast, and effective.