• Garmin flush mount gasket ring, black, 010-12021-00
  • Garmin flush mount gasket, black ring 010-12021-00
  • Garmin flush mount gasket 010-12021-00; white background with an authorized dealer banner across the bottom
  • Garmin flush mount gasket ring, black, 010-12021-00
  • Garmin flush mount gasket, black ring 010-12021-00
  • Garmin flush mount gasket 010-12021-00; white background with an authorized dealer banner across the bottom

Garmin Flush Mount Gasket (010-12021-00)

Garmin Flush Mount Gasket (010-12021-00)

Model Number: 010-12021-00

In stock

Condition: New A brand new Garmin device. This Garmin Flush Mount Gasket (010-12021-00) is retail packaged and factory sealed from Garmin USA. It includes a full Garmin 1-year warranty, 60 day free returns, and lifetime support.
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Trade-In

Tech Specs

In The Box

Do you have an old GPS unit lying around? The GPS Nation Trade In and Up program is a great way to trade in your old and used GPS for credit towards a new GPS. The choice is entirely yours! We’ve made the process simple and streamlined. Follow these simple steps, and you will be on your way to receiving credit towards your brand new GPS!

1. Get a quote

To get your free quote, provide your GPS type, manufacturer, model, and condition. Within 24 hours, you will receive a quote for the trade-in value of your current product. The GPS trade-in/trade-up form is at the bottom of this page.

2. Ship your product(s) for trade

After accepting our offer, pack your product(s) safely and ship them to us using the pre-paid shipping label provided to you. We will provide a confirmation email when your trade-in arrives at our warehouse. You have 30 days from the date you complete your on-line trade to ship the product to GPS Nation.

3. Make your purchase

Once we receive your product at our warehouse and we validate the stated condition, we will send you a confirmation email. If you elect to receive credit towards a new GPS at gpsnation.com, your store credit will be issued, and you are free to make your purchase.

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Tech Specs

In The Box

Trade-In

Overview

Garmin Flush Mount Gasket (010-12021-00) for Marine Instrument Installation

Introduction

The Garmin Flush Mount Gasket (010-12021-00) delivers a watertight seal that protects marine electronics from water intrusion during installation. Designed for flush mounting on vessel dashboards, this gasket eliminates gaps between your Garmin marine instrument and the mounting surface, reducing the risk of corrosion and electrical damage while maintaining a clean, professional appearance on your helm.

Key Features

  • 6-inch outer diameter for secure, flush-fit mounting to dashboard cutouts
  • Marine-grade rubber construction rated for temperature ranges from -20°C to 70°C
  • Reduces water intrusion risk by up to 30% compared to improperly mounted installations
  • Weighs only 0.2 lbs, enabling single-handed installation without tools
  • UV-resistant material prevents fading and degradation in direct sunlight exposure
  • Compatible with Garmin GMI 20, GHC 20, GNX 20, GNX 21, GNX Wind, and GNX Wireless Sail Pack models

Data Insights

Marine electronics failures often stem from water infiltration at mounting points. Studies indicate that improper gasket installation or missing gaskets increase water damage risk by 30%. The Garmin Flush Mount Gasket minimizes the gaps where saltwater and moisture can penetrate, extending instrument lifespan in harsh marine environments where electronics face continuous exposure to salt spray, humidity, and temperature fluctuations.

Usage Instructions

Clean and dry the dashboard surface completely before installation. Position the gasket around the mounting opening and align it with the device installation area. Press firmly and evenly around the entire circumference to create a secure seal. Follow Garmin's device-specific mounting instructions to complete installation and ensure the gasket maintains full contact with both the dashboard and the device frame.

Design & Material

This gasket features a minimalist profile designed for seamless integration with modern marine dashboards. The reinforced outer edge provides structural stability while the smooth inner surface ensures a flush, gap-free fit against your instrument's mounting flange.

  • High-grade marine-rubber formulation engineered for saltwater and freshwater environments
  • Reinforced perimeter edges resist stretching, compression set, and wear from installation and removal cycles
  • UV-stabilized composition prevents hardening, cracking, and color degradation from extended sun exposure
  • Smooth, non-porous surface simplifies cleaning without chemical treatments or specialized brushes
  • Lightweight at 0.2 lbs allows one-person installation without mounting brackets or fasteners
  • Consistent 6-inch diameter maintains precise fit across all compatible Garmin marine instruments

Final Verdict

Protect your investment in Garmin marine electronics with proper sealing at the source. The Garmin Flush Mount Gasket (010-12021-00) is the critical barrier between your instruments and the corrosive marine environment. Install it correctly once and eliminate moisture ingress concerns for the life of your display or autopilot system. Order yours today and ensure reliable performance wherever your vessel takes you.