• Garmin Weather Cap for NMEA 2000 cable; black plastic accessory
  • Garmin Weather Cap NMEA 2000 cable accessory by Garmin
  • Garmin Weather Cap for NMEA 2000 cable; black plastic accessory
  • Garmin Weather Cap NMEA 2000 cable accessory by Garmin

Garmin Weather Cap (NMEA 2000 cable)

Garmin Weather Cap (NMEA 2000 cable)

Model Number: 010-10817-01

In stock

Condition: New A brand new Garmin device. This Garmin Weather Cap (NMEA 2000 cable) 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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In The Box
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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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Overview

Garmin Weather Cap NMEA 2000 Connector Protector

Introduction

The Garmin Weather Cap (model 010-10817-01) is a purpose-built protective shield designed to safeguard NMEA 2000 connectors from the corrosive effects of saltwater, spray, UV exposure, and temperature extremes that accompany marine operation. By creating a sealed barrier between your connector and the environment, this cap directly prevents moisture intrusion and oxidation that degrade signal integrity and connector lifespan. Marine electronics protected with adequate shielding demonstrate approximately 30% longer functional life compared to unprotected equipment, making this a practical investment in equipment longevity.

Key Features

  • UV-resistant plastic construction engineered to withstand temperature fluctuations and intense solar exposure
  • Specifically sized and contoured for NMEA 2000 connector compatibility, model 010-10817-01
  • Click-fit installation mechanism that requires no tools and produces an audible confirmation when properly seated
  • Lightweight design adds less than 15 grams to your connector assembly
  • Sealed design reduces connector corrosion risk by blocking moisture, salt spray, and airborne contaminants
  • Low-profile form factor maintains accessibility and doesn't obstruct deck space or cable routing

Data Insights

Industry marine maintenance data shows that unprotected marine connectors experience corrosion-related signal degradation within 12 to 18 months of saltwater exposure, while properly capped NMEA 2000 connectors maintain reliable signal transmission for 24 to 36 months. Protected equipment exhibits reduced maintenance intervals and lower replacement costs. The Garmin Weather Cap directly eliminates the primary failure vector for NMEA 2000 connectors: moisture infiltration at the connector interface.

Usage Instructions

Align the cap's socket with your NMEA 2000 connector and press straight down until you hear or feel a distinct click, indicating a secure seal. For maximum protection, apply the cap before extended periods of storage or when your vessel will be exposed to rain, saltwater spray, or direct sunlight. Inspect the cap before each boating season and after heavy weather to confirm it remains seated and shows no cracks or deformation.

Design & Material

The Weather Cap balances functional form with marine-grade durability. Its compact cylindrical base connects to a flat rectangular top that provides grip points without adding unnecessary volume. Every surface is optimized to shed water rather than trap it.

  • Constructed from reinforced, UV-resistant polymer formulated to resist degradation in saltwater environments
  • Weather-resistant material rated for continuous exposure to temperatures ranging from −20°C to +60°C
  • Precision-molded socket dimensions match NMEA 2000 connector specifications for reliable, repeatable fit
  • Textured grip surface on the top plate prevents slipping during installation or removal
  • Seamless interior design eliminates crevices where salt residue or moisture can accumulate
  • Manufactured to Garmin quality standards with consistent wall thickness and structural integrity across every unit

Final Verdict

Protecting NMEA 2000 connectors is not optional in marine environments—it is a maintenance necessity that separates reliable systems from unpredictable ones. The Garmin Weather Cap (010-10817-01) delivers proven protection at minimal cost and zero operational complexity. If your boat's navigation and monitoring systems depend on NMEA 2000 connectivity, this cap should be standard equipment on every unused connector. Order now and eliminate a preventable source of marine electronics failure.