Mercury – SmartCraft Weather Cap | Junction Box Protective Cap | 859318T2 Mercury Outboard Filters & Strainers A4: Verify smooth throttle travel

A4: Verify smooth throttle travel

Aftermarket versions often use lower-quality media or plastics that cloud

Made from corrosion-resistant aluminum

The special chelating agents attack road grime

Choosing genuine Mercury fluids is less about branding and more about ensuring your equipment gets exactly what it was engineered for:

Mercury – SmartCraft Weather Cap | Junction Box Protective Cap | 859318T2 Mercury Outboard Filters & Strainers A4: Verify smooth throttle travelMercury SmartCraft Weather Cap Junction Box Protective Cap 859318T2 Overview The Mercury SmartCraft Weather Cap (859318T2) keeps your SmartCraft junction box protected from water, salt, and corrosion. It seals any unused connection points on the J box, keeping the system clean and dry. Simple, small, and built to last its a must have for any SmartCraft rigging setup. Key Features Weather Protection Cap Covers open SmartCraft junction box ports to