Mercury – Gauge Seal | 85 mm | Fits SmartCraft System Gauges | 12-859656

Overview

The Mercury Gauge Seal (12-859656) keeps your larger 3-3/8" (85 mm) SmartCraft System Link gauges sealed tight against water and debris. This OEM rubber seal fits between the gauge and dash, creating a weatherproof barrier that prevents leaks and protects your electronics from damage caused by moisture, vibration, or corrosion.

Built from durable, marine-grade rubber, this seal stays flexible and strong through years of exposure to heat, salt, and UV.

Sold individually but must be purchased in multiples of two.

Key Features

• Fits 3-3/8" (85 mm) Gauges – Designed for large SmartCraft System Link gauges.
• Weather-Resistant Seal – Keeps water, dust, and debris out of your dash and gauges.
• Marine-Grade Rubber – UV- and salt-resistant material stays flexible over time.
• OEM Fit & Finish – Ensures a tight, proper fit without leaks.
• Easy to Install – Sits snugly between the gauge flange and dash panel.
• Sold in Multiples of Two – Priced individually; must be ordered in pairs.

Compatibility

• Fits: Mercury SmartCraft 3-3/8" (85 mm) System Link gauges

Performance & Practical Benefits

This seal keeps your SmartCraft gauges dry and secure, even in rough, wet conditions. It helps extend the life of your instruments while giving your dash a professional, finished look. Whether you’re replacing worn seals or installing new gauges, this OEM part ensures a watertight, factory-quality fit every time.

Why Buy OEM

Mercury parts are built for real-world boating — tested to withstand sun, saltwater, and constant vibration. Using genuine Mercury hardware ensures your gauges stay protected and properly mounted for years of dependable use.

FAQ

Q1: What size gauges does this seal fit?
It fits 3-3/8" (85 mm) SmartCraft System Link gauges.

Q2: What material is it made from?
A marine-grade rubber compound that’s UV- and salt-resistant.

Q3: How is it sold?
It’s priced individually, but must be purchased in multiples of two.

Q4: Is this a genuine Mercury part?
Yes — it’s a genuine Mercury Marine OEM seal, built to factory specifications.