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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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  • VDO Temperature Sender 250F/120C - 3/8-18 NPTF [323-421]
    VDO

    VDO Temperature Sender 250F/120C - 3/8-18 NPTF [323-421]

    $20.24
    $28.92
    $20.24
    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...
    $20.24
    $28.92
    $20.24
  • Veratron Water Temperature Sensor - 1/2"-14NPT Thread - 120C Temp Range [B001999]
    Veratron

    Veratron Water Temperature Sensor - 1/2"-14NPT Thread - 120C Temp Range [B001999]

    $32.43
    $36.03
    $32.43
    Water Temperature Sensor - 1/2"-14NPT Thread - 120°C Temp Range These 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 can...
    $32.43
    $36.03
    $32.43
  • VDO Type A - White Metal Base Bulb - 24V - 4-Pack [600-807]
    VDO

    VDO Type A - White Metal Base Bulb - 24V - 4-Pack [600-807]

    $10.11
    $14.45
    $10.11
    Type A - White Metal Base Bulb - 24V - 4-PackFeatures: Voltage - 24V Watts - 3W Size - 9/32" (7mm) Color - White/Clear *Sold as a 4 PackWARNING: This product can expose you to chemicals including LEAD which is known to the State...
    $10.11
    $14.45
    $10.11
  • VDO Reed Switch Fuel Sender - 270 MM [226-627]
    VDO

    VDO Reed Switch Fuel Sender - 270 MM [226-627]

    $62.20
    $72.33
    $62.20
    Reed Switch Fuel Sender - 270 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...
    $62.20
    $72.33
    $62.20
  • Veratron Flange Adapter Kit [B00001201]
    Veratron

    Veratron Flange Adapter Kit [B00001201]

    $59.90
    $66.56
    $59.90
    Flange Adapter KitSmall but necessary instrument that will save your money and time.   Flange Adapter Kit for Tubular Level Sensors from 80 to 54mm.Flange Adapter Kit can be adapted to any Veratron liquid level sensors.Features:Tank mounting adapter from 80mm to 54mm*Sold as an...
    $59.90
    $66.56
    $59.90
  • Maretron Exhaust Gas Temp Probe [TP-EGT-1]
    Maretron

    Maretron Exhaust Gas Temp Probe [TP-EGT-1]

    $293.71
    $318.32
    $293.71
    Exhuast Gas Temperature Probe (0°C to 900°C or 32° to 1652°F)WARNING: This product can expose you to chemicals including NICKEL (METALLIC) which is known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov. Owner's Manual (pdf)
    $293.71
    $318.32
    $293.71
  • VDO Heavy Duty Normally OpenSingle Circuit 4 PSI Pressure Switch [230-404]
    VDO

    VDO Heavy Duty Normally OpenSingle Circuit 4 PSI Pressure Switch [230-404]

    $30.37
    $36.16
    $30.37
    Heavy Duty Normally Open–Single Circuit 4 PSI Pressure Switch Features: Ground - Floating Connection - # 8-32 Voltage - 6-24V Circuit - Normally Open - Single Contacts - Silver Alloy Max. Pressure Range - 4 PSI Terminals - 2 *Sold as an IndividualWARNING: This product...
    $30.37
    $36.16
    $30.37
  • VDO Light Diffuser f/Type D Peanut Bulb - Red - 4 Pack [600-859]
    VDO

    VDO Light Diffuser f/Type D Peanut Bulb - Red - 4 Pack [600-859]

    $7.22
    $14.45
    $7.22
    Light Diffuser for Type D Peanut Bulb - Red - 4 PackFeatures: Red in color Application - Type D Peanut Bulbs *Sold as a 4 PackWARNING: This product can expose you to chemicals including LEAD which is known to the State of California to...
    $7.22
    $14.45
    $7.22
  • Veratron Water Temperature Sensor - M16x1.5 Thread - 120C Temp Range [B002002]
    Veratron

    Veratron Water Temperature Sensor - M16x1.5 Thread - 120C Temp Range [B002002]

    $32.43
    $36.03
    $32.43
    Water Temperature Sensor - M16x1.5 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...
    $32.43
    $36.03
    $32.43
  • Faria Temp Sender - 1/2" American Single Standard [90404]
    Faria Beede Instruments

    Faria Temp Sender - 1/2" American Single Standard [90404]

    $46.29
    $0.00
    $46.29
    Temp Sender - 1/2" American Single StandardFeatures: The universal sending unit for most gauges and instruments Temp Sender, 1/2" American Single Standard This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns....
    $46.29
    $0.00
    $46.29
  • Veratron 52mm ViewLine Bezel - Triangular - Black [A2C5318602401]
    Veratron

    Veratron 52mm ViewLine Bezel - Triangular - Black [A2C5318602401]

    $13.41
    $14.90
    $13.41
    52mm ViewLine Bezel - Triangular - BlackThe 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...
    $13.41
    $14.90
    $13.41
  • Veratron Level Sensor Single Station w/Seal Kit #432 - 12/24V - 3-180 OHM - 150-160mm Length [226-801-015-001G]
    Veratron

    Veratron Level Sensor Single Station w/Seal Kit #432 - 12/24V - 3-180 OHM - 150-160mm Length [226-801-015-001G]

    $136.08
    $151.20
    $136.08
    Fuel Level Sensor Single Station with Seal Kit #432 - 12/24V - 3-180 OHM - 150-160mm LengthFuel Level Sensor (resistive) with adjustable lever, sealing kit N05-801-432.This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any...
    $136.08
    $151.20
    $136.08
  • Veratron Rudder Angle Sensor f/ Dual Station [A2C1102960001]
    Veratron

    Veratron Rudder Angle Sensor f/ Dual Station [A2C1102960001]

    $223.20
    $248.00
    $223.20
    Rudder Angle Sensor f/ Dual StationTechnical Specifications: Measurement Range - 45° - 0 - 45° Signal Analogue - 1.5 - 90 Ohm Resistance value -  1.5 - 90 Ohm - 2 Gauges  Operating Voltage - 6 - 24 Volt DC Communication - Analog Wire...
    $223.20
    $248.00
    $223.20
  • VDO Reed Switch Fuel Sender - 150 MM [226-615]
    VDO

    VDO Reed Switch Fuel Sender - 150 MM [226-615]

    $57.86
    $72.33
    $57.86
    Reed Switch Fuel Sender - 150 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...
    $57.86
    $72.33
    $57.86
  • Veratron Fresh Water Level Sensor w/Sealing Kit #370 - 12-24V - 4-20mA - 80-600mm Length [N02-240-402]
    Veratron

    Veratron Fresh Water Level Sensor w/Sealing Kit #370 - 12-24V - 4-20mA - 80-600mm Length [N02-240-402]

    $324.90
    $361.00
    $324.90
    Fresh Water Level Sensor with Sealing Kit #370 - 12-24V - 4-20mA - 80-600mm LengthFresh Water Level Sensor (capacitive) with adjustable dip, sealing kit. This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues...
    $324.90
    $361.00
    $324.90
  • VDO Reed Switch Fuel Sender - 180mm [226-618]
    VDO

    VDO Reed Switch Fuel Sender - 180mm [226-618]

    $57.86
    $72.33
    $57.86
    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...
    $57.86
    $72.33
    $57.86
  • VDO Reed Switch Fuel Sender - 450 MM [226-645]
    VDO

    VDO Reed Switch Fuel Sender - 450 MM [226-645]

    $81.01
    $94.03
    $81.01
    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...
    $81.01
    $94.03
    $81.01
  • Veratron Oil Pressure Sensor - 1/8"-27NPT Thread - 10 Bar [B002008]
    Veratron

    Veratron Oil Pressure Sensor - 1/8"-27NPT Thread - 10 Bar [B002008]

    $64.98
    $72.20
    $64.98
    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...
    $64.98
    $72.20
    $64.98
  • Veratron Pyrometer Sensor - 100-900C/250-1650F [N03-320-264]Veratron Pyrometer Sensor - 100-900C/250-1650F [N03-320-264]
    Veratron

    Veratron Pyrometer Sensor - 100-900C/250-1650F [N03-320-264]

    $431.94
    $479.94
    $431.94
    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...
    $431.94
    $479.94
    $431.94
  • Faria 2" Gauge Blank [12861]
    Faria Beede Instruments

    Faria 2" Gauge Blank [12861]

    $18.80
    $20.24
    $18.80
    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...
    $18.80
    $20.24
    $18.80