Marine Navigation & Instruments - Gauge Accessories
Complete your marine gauge setup with premium gauge accessories designed to improve installation, functionality, and long-term performance on the water. Whether you are replacing worn components, upgrading your helm, or installing new instruments, quality accessories help ensure accurate readings and reliable operation for your vessel’s monitoring systems. Built for demanding freshwater and saltwater environments, our collection features durable gauge accessories engineered to withstand moisture, vibration, corrosion, and harsh marine conditions. Browse gauge bezels, mounting hardware, sending units, wiring harnesses, connectors, adapters, protective covers, replacement parts, and installation components compatible with a wide range of marine gauges and displays. Designed for easy integration and dependable performance, these products help maintain your boat’s electrical and monitoring systems while enhancing helm organization. Featuring trusted marine brands recognized for quality and innovation, our Marine Navigation Instruments – Gauge Accessories collection delivers reliable solutions for boat owners, anglers, and marine professionals. Shop today and upgrade your navigation setup with confidence.
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- Featured
- Most relevant
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- Alphabetically, A-Z
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Vendor:VDO
VDO Pressure Sender 80 PSI 1/4-18 NPT [360-005]
- $62.44
$70.96- $62.44
- Unit price
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Pressure Sender 80 PSI 1/4-18 NPT Features: Ground - Standard Connection - Knurled Nut Voltage - 6-24V Thread - 1/8-27 NPTF Max. Pressure Range - 80 PSI / 5 bar (10-180Ohm) *Sold as an IndividualWARNING: This product can expose you to chemicals including LEAD...- $62.44
$70.96- $62.44
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Vendor:VDO
VDO Reed Switch Fuel Sender - 180mm [226-618]
- $56.77
$70.96- $56.77
- Unit price
- / per
Reed Switch Fuel Sender - 180mm Most aftermarket fuel senders use a rotating float arm and resistance cards to measure the amount of fuel in a tank which can lead to erratic pointer movements. This revolutionary design comes with many benefits! This is ideal for...- $56.77
$70.96- $56.77
- Unit price
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Vendor:VDO
VDO ALAS Adjustable Fuel Sender - 6-3/4 to 23" - 240-33 Ohm [226-007]
- $55.35
$63.86- $55.35
- Unit price
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ALAS Adjustable Fuel Sender - 6-3/4 to 23" - 240-33 OhmVDO ALAS 12/24 V adjustable swingarm senders are engineered for severe-duty use. The sender main body features a plated steel construction to help eliminate damage caused by fuel slosh. These units contain an SAE standard...- $55.35
$63.86- $55.35
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Vendor:VDO
VDO Reed Switch Fuel Sender - 450 MM [226-645]
- $79.48
$92.25- $79.48
- Unit price
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Reed Switch Fuel Sender - 450 MMMost aftermarket fuel senders use a rotating float arm and resistance cards to measure the amount of fuel in a tank which can lead to erratic pointer movements. This revolutionary design comes with many benefits! This is ideal...- $79.48
$92.25- $79.48
- Unit price
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Vendor:VDO
VDO Heavy Duty Normally Closed Single Circuit 15 PSI Pressure Switch [230-515]
- $29.80
$35.47- $29.80
- Unit price
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Heavy Duty Normally Closed Single Circuit 15 PSI Pressure SwitchFeatures: Ground - Floating Connection - # 8-32 Voltage - 6-24V Circuit - Normally Closed - Single Contacts - Silver Alloy Max. Pressure Range - 15 PSI Terminals - 2 *Sold as an IndividualWARNING: This...- $29.80
$35.47- $29.80
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Vendor:Faria Beede Instruments
Faria Temperature Sender - 1/4" NPT Thread [90402]
- $29.80
$0.00- $29.80
- Unit price
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Temperature Sender - 1/4" NPT Thread1/4" NPT Single station temperature sender.Specifications: Single station 1/4 inch NPT thread size 10-32 stud terminal Works with US ohm scale temperature gauges Standard ground Factory P/N TS2035*Sold as an IndividualThis product may not be returned to the original...- $29.80
$0.00- $29.80
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Vendor:Faria Beede Instruments
Faria Temperature Sender 1/8" NPTF Cylinder Head Temp [90405]
- $34.05
$36.89- $34.05
- Unit price
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Temperature Sender 1/8" NPTF Cylinder Head TempFeatures: Temperature Sender 1/8" NPTF NPTF Cylinder Head This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.- $34.05
$36.89- $34.05
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Vendor:Veratron
Veratron Water Temperature Sensor - M14x1.5 Thread - 120C Temp Range [B002001]
- $31.81
$35.35- $31.81
- Unit price
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Water Temperature Sensor - M14x1.5 Thread - 120°C Temp RangeThese resistive temperature sensors are built in a housing of brass. All sensors come with a sensor output and an insulated ground pin. The two connections are interfaced through the metal plate connectors. The sensors...- $31.81
$35.35- $31.81
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Vendor:Veratron
Veratron Oil Pressure Sensor - 1/8"-27NPT Thread - 10 Bar [B002008]
- $63.75
$70.83- $63.75
- Unit price
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Oil Pressure Sensor - 1/8"-27NPT Thread - 10 Bar Veratron’s Pressure Sensors deliver a stable quality reading during a long lifespan. They have excellent anti-vibration performance and a wide operating temperature range. The sensors can be used in a wide range of applications.All sensors come with...- $63.75
$70.83- $63.75
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Vendor:Veratron
Veratron Pyrometer Sensor - 100-900C/250-1650F [N03-320-264]
- $423.77
$470.85- $423.77
- Unit price
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Pyrometer Sensor - 100-900°C/250-1650°FPyrometer sensor used in conjunction with LinkUp Gateway Module.Features: Plug-and-Play installation and configuration NMEA 2000® certified Technical Specifications: Temperature medium - Exhaust gas - Coolant - Water - Air - Engine oil - Transmission oil - Fuel Input Signal - LIN...- $423.77
$470.85- $423.77
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Vendor:Faria Beede Instruments
Faria 2" Gauge Blank [12861]
- $18.44
$19.86- $18.44
- Unit price
- / per
2" Gauge BlankCover a 2" gauge hole with Faria's Gauge BlankSpecifications: Fits standard hole for Faria's 2" gauges Black in color ∗ Sold as an IndividualThis product may not be returned to the original point of purchase. Please contact the manufacturer directly with any...- $18.44
$19.86- $18.44
- Unit price
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Vendor:VDO
VDO Reed Switch Fuel Sender - 600 MM [226-660]
- $92.25
$113.55- $92.25
- Unit price
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Reed Switch Fuel Sender - 600 MMMost aftermarket fuel senders use a rotating float arm and resistance cards to measure the amount of fuel in a tank which can lead to erratic pointer movements. This revolutionary design comes with many benefits! This is ideal...- $92.25
$113.55- $92.25
- Unit price
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Vendor:VDO
VDO Temperature Sender 250F/120C - 3/8-18 NPTF [323-421]
- $19.86
$28.38- $19.86
- Unit price
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Temperature Sender 250°F/120°C - 3/8-18 NPTFFeatures: Ground - Standard Connection - Knurled Nut Voltage - 6-24V WARNING: This product can expose you to chemicals including LEAD which is known to the State of California to cause cancer, birth defects or other reproductive harm. For...- $19.86
$28.38- $19.86
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Vendor:VDO
VDO Reed Switch Fuel Sender - 800 MM [226-680]
- $110.71
$127.74- $110.71
- Unit price
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Reed Switch Fuel Sender - 800 MMMost aftermarket fuel senders use a rotating float arm and resistance cards to measure the amount of fuel in a tank which can lead to erratic pointer movements. This revolutionary design comes with many benefits! This is ideal...- $110.71
$127.74- $110.71
- Unit price
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Vendor:VDO
VDO Reed Switch Fuel Sender - 200MM [226-620]
- $56.77
$70.96- $56.77
- Unit price
- / per
Reed Switch Fuel Sender - 200 MMMost aftermarket fuel senders use a rotating float arm and resistance cards to measure the amount of fuel in a tank which can lead to erratic pointer movements. This revolutionary design comes with many benefits! This is ideal...- $56.77
$70.96- $56.77
- Unit price
- / per
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Vendor:VDO
VDO Dual Station Floating Ground - 400 PSI 1/8-27NPT [362-004]
- $70.96
$78.06- $70.96
- Unit price
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Dual Station Floating Ground - 400 PSI 1/8-27NPTFeatures:Ground - Floating Connection - Knurled Nut Voltage - 6 - 24V Thread - 1/8-27 NPTF Max. Pressure Range - 400 PSI / 25.58 Bar *Sold as an IndividualWARNING: This product can expose you to chemicals including...- $70.96
$78.06- $70.96
- Unit price
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Vendor:VDO
VDO Temperature Sender 250F/120C Dual FG - 1/4-18 NPTF [325-002]
- $80.90
$99.35- $80.90
- Unit price
- / per
Temperature Sender 250°F/120°C Dual FG - 1/4-18 NPTF Features: Ground - Floating Connection - .25" Spade Voltage - 6-24V Thread - 1/4-18 NPTF Component Reference No. - 805/1/4 Max. Temperature Scale - 250°F/120°C *Sold as an IndividualWARNING: This product can expose you to chemicals including...- $80.90
$99.35- $80.90
- Unit price
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Vendor:VDO
VDO Reed Switch Fuel Sender - 250mm [226-625]
- $61.02
$70.96- $61.02
- Unit price
- / per
Reed Switch Fuel Sender - 250mm Most aftermarket fuel senders use a rotating float arm and resistance cards to measure the amount of fuel in a tank which can lead to erratic pointer movements. This revolutionary design comes with many benefits! This is ideal for...- $61.02
$70.96- $61.02
- Unit price
- / per
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Vendor:Veratron
Veratron Engine Oil Temperature Sensor - 3/8"-18NPT Thread - 150C Temp Range [B002004]
- $31.81
$35.35- $31.81
- Unit price
- / per
Engine Oil Temperature Sensor - 3/8"-18NPT Thread - 150°C Temp RangeThese resistive temperature sensors are built in a housing of brass. All sensors come with a sensor output and an insulated ground pin. The two connections are interfaced through the metal plate connectors. The...- $31.81
$35.35- $31.81
- Unit price
- / per
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Vendor:Veratron
Veratron 52mm ViewLine Bezel - Round - Chrome [A2C5318602901]
- $26.70
$29.67- $26.70
- Unit price
- / per
52mm ViewLine Bezel - Round - ChromeThe VDO ViewLine modular bezel concept offers true design flexibility in the layout of instrument panels. The three attractive designs in Black, White or Chrome are suitable for every machinery instrument panel or special vehicle cockpit. The range...- $26.70
$29.67- $26.70
- Unit price
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![Veratron Pyrometer Sensor - 100-900C/250-1650F [N03-320-264]](http://www.dbmarinesupplies.com/cdn/shop/files/83063XL_533x.jpg?v=1776117617)