
Garmin GNX™ 21 Marine Instrument w/Inverted Display - 4"
This item is currently out of stock.
Special order from Garmin — Estimated 2–3 weeks.
Quick Specs
Description
GNX™ 21 Marine Instrument with Inverted Display - 4"
Marine Instrument with Inverted 4" LCD
- Large, easy-to-read white or color digits on a black background for high visibility in low-light or darkness; choose from 7 customizable backlight colors
- Glass-bonded display with anti-glare lens avoids fogging
- Fully customizable user profiles for sail or power boating to display most important marine and vessel data
- Low power consumption (25 mA) with 350 mW (no backlight)/400 mW (mid-level backlight)
- 5 display configurations plus gauge and graph mode to display depth, speed, wind and 50+ marine and boat parameters
The easy-to-read GNX 21 marine instrument has an inverted display with white or color digits on a black background that clearly shows depth, speed, wind and 50-plus marine and boat parameters. Its glass-bonded display with anti-glare lens coating provides excellent daytime and nighttime readability with high-contrast digits scalable up to 36 mm.
The GNX 21 is the first glass-bonded marine instrument with a combination of directly driven LCD segments and a dot-matrix field to display graphical information. Its low power consumption - (25 mA) with 350 mW (no backlight)/400 mW (mid-level backlight) - is perfect for use on sailboats, and provides a valuable instrument for cruising and fishing. Fully customizable user profiles display wind, depth and speed data. Plus, the GNX 21 includes an auto-scroll feature that rotates through data screens for hands-free operation. It can be installed with the included low profile flush mount or an optional flat mount for the ultimate glass helm solution and custom look for your boat.
Easy-To-Read Display
Unique high-contrast hybrid display features large, easy-to-read digits scalable up to 36 mm tall. Offers excellent clarity in direct sunlight, at dusk, or at night. The dot-matrix section can s
Quick Specs
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Specifications
| SKU | 010-01142-10 |
| UPC | 753759120962 |
| Brand | Garmin |
| Category | Marine Navigation & Instruments |
| Country of Origin | TAIWAN |
| Weight | 2.95 |
| Dimensions | 10 x 9 x 5 |
| Status | Active |
| Last Synced | 8/27/2026, 2:04:51 AM |
Compliance & Shipping
WARNINGProp 65 Notice
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.
Product Literature
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Frequently Bought Together
Compare Key Features
| Feature | ![]() Garmin GNX™ 21 Marine Instrument w/Inverted Display - 4" CURRENT | ![]() Raymarine i60 Wind Masthead Only Wind Arm Vane & Cups | ![]() Raymarine T060 Micro Compass | ![]() B&G Triton² Digital Display | ![]() Raymarine i70s Multifunction Instrument Display |
|---|---|---|---|---|---|
| Price | $382.49 | $365.49 | $441.99 | $534.65 | $556.74 |
| Brand | Garmin | Raymarine | Raymarine | B&G | Raymarine |
| Condition | New | New | New | New | New |
| Availability | Out of Stock | In Stock | In Stock | In Stock | In Stock |
| Weight | 2.95 | 2.2 | 1.02 | 1.6 | 1.6 |
| Dimensions | 10 x 9 x 5 | 20 x 12 x 4 | 9 x 6 x 4 | 9 x 6 x 5 | 9 x 6 x 3 |
| SKU | 010-01142-10 | R28170 | T060 | 000-13294-001 | E70327 |
| Country | TAIWAN | HUNGARY | GB1 | MEXICO | HUNGARY |
| View Item | View Item | View Item | View Item | View Item |
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