Marine Gauges, including GPS speedometers, tachometers, temperature sensors, and engine instruments, are vital components for boats. They provide essential data for navigation, monitoring engine performance, and ensuring a safe and efficient boating experience. These instruments are commonly integrated into a boat's dashboard or instrument panel, offering real-time information for captains and crew.
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1-2 weeks delivery time The Osculati Fresh Water Level Gauges are marine dashboard instruments designed to monitor fresh water tank levels using 240–33 Ohm, 0–190 Ohm, or selectable 240–33 / 0–190 Ohm senders. The gauges operate on 12V or 24V electrical systems and feature red and yellow backlit dials for clear visibility. The series includes variants with black or white dial options combined with black or glossy bezel finishes. All instruments have standard marine installation dimensions with a 57 mm outer diameter, 51 mm panel cut-out, and 45 mm installation depth.
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$ 35.93
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1-2 weeks delivery time The Osculati Fuel Level Gauges are marine dashboard instruments designed to monitor fuel tank levels using 240–33 Ohm, 0–190 Ohm, or selectable 240–33 / 0–190 Ohm senders. The gauges operate on 12V or 24V electrical systems and feature red and yellow backlit dials for clear visibility. The series includes versions with black or white dial options and black or glossy bezel finishes. All models share standard installation dimensions with a 57 mm outer diameter, 51 mm panel hole diameter, and 45 mm installation depth, allowing installation on most marine dashboards.
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$ 33.18
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1-2 weeks delivery time The Osculati Oil Pressure Indicators are marine dashboard gauges designed to monitor engine lubrication pressure with 0–5 bar or 0–10 bar measurement ranges. The instruments operate on 12V or 24V electrical systems and feature red and yellow backlit dials for clear visibility in low-light conditions. The series includes versions with black or white dial options and black or glossy bezel finishes. All gauges share standard installation dimensions with a 57 mm outer diameter, 51 mm panel hole diameter, and 45 mm installation depth, allowing easy integration into marine dashboards.
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$ 35.93
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1-2 weeks delivery time The Osculati Water Temperature Gauges are marine dashboard instruments designed to monitor engine cooling water temperature within a 40–120°C range. The gauges operate on 12V or 24V electrical systems and feature red and yellow backlit dials for clear visibility in low-light conditions. The series includes versions with black or white dial options and black or glossy bezel finishes. All models share standard installation dimensions with a 57 mm outer diameter, 51 mm panel hole diameter, and 45 mm installation depth, making them suitable for marine dashboards and engine monitoring panels.
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$ 35.93
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1-2 weeks delivery time The Osculati Oil Temperature Gauges are marine dashboard instruments designed to monitor engine oil temperature within a 50–150°C range. The gauges operate on 12V or 24V electrical systems and feature red and yellow backlit dials for improved readability in low-light conditions. The series includes versions with black or white dial options and black or glossy bezel finishes. All instruments share standard installation dimensions with a 57 mm outer diameter, 51 mm panel hole diameter, and 45 mm installation depth, allowing installation in most marine dashboards and engine monitoring panels.
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$ 35.93
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1-2 weeks delivery time The Osculati Trim Indicators are marine dashboard instruments designed to display trim position using 0–190 Ohm sender signals. The gauges operate on 12V or 24V electrical systems and feature red and yellow backlit dials for clear visibility in low-light conditions. The series includes versions with black or white dial options and black or glossy bezel finishes. All models share standard installation dimensions with a 57 mm outer diameter, 51 mm panel hole diameter, and 45 mm installation depth, allowing easy integration into marine dashboards and control panels.
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$ 35.93
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1-2 weeks delivery time The Osculati Quartz Marine Dashboard Clocks are analog time instruments designed for installation in marine dashboards and control panels. The clocks feature a 12-hour analog scale and operate on 12V or 24V electrical systems. The dial includes red and yellow backlighting for improved readability in low-light conditions. The series is available with black or white dial options and black or glossy bezel finishes. All models share standard marine gauge dimensions with 57 mm instrument diameter, 51 mm panel hole diameter, and 45 mm installation depth, allowing integration with typical boat instrument panels.
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$ 75.04
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1-2 weeks delivery time The Osculati Pitot Speedometers are marine dashboard instruments designed to measure boat speed using a water pressure Pitot tube system. The gauges are available with 0–35 MPH, 0–55 MPH, or 0–65 MPH scales and operate on 12V or 24V electrical systems. The instruments feature red and yellow backlit dials for visibility in low-light conditions and are available with black or white dial options and black or glossy bezel finishes. All models share the same installation dimensions with 96 mm instrument diameter, 85 mm panel hole diameter, and 55 mm installation depth, making them suitable for standard marine dashboards and helm stations.
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$ 72.98
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1-2 weeks delivery time The Osculati GPS Analog Speedometer & Compass is a marine dashboard instrument that measures vessel speed using a built-in 32-channel GPS antenna, eliminating the need for a Pitot tube or other external transducer. This Type 1 version combines analog speed indication from 0–45 knots with a digital compass course display (degree-by-degree). The instrument operates on 12V electrical systems and features red and yellow dial backlighting for visibility in low-light conditions.
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$ 142.58
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1-2 weeks delivery time The Osculati GPS Digital Speedometer, Compass & Mile Counter is a marine dashboard instrument that measures vessel speed using a built-in 32-channel GPS antenna, eliminating the need for a Pitot tube or other external transducer. This Type 2 version provides digital speed indication from 0–999 knots (also selectable in km/h or MPH), a distance totalizer up to 99,999 miles, and digital compass course display (degree-by-degree). The instrument operates on 12/24V electrical systems and features red and yellow dial backlighting for clear visibility.
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$ 166.17
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Osculati LCD Multifunction Marine Instrument with GPS, NMEA2000 / J1939 / Analog, Ø96 mm - 27.328.01
1-2 weeks delivery time The Osculati 27.328.01 LCD Multifunction Instrument is a marine dashboard display compatible with NMEA2000, J1939, and analog protocols, designed for use with most outboard and inboard engines (except Mercury with SMARTCRAFT protocol). The instrument integrates a GPS speedometer, tachometer with selectable full scale from 3000 to 8000 RPM, engine hour meter, fuel level monitoring with selectable 0–190 / 240–33 Ohm senders and 10% alarm, oil pressure monitoring with 0.7 bar alarm, and water temperature display with 95°C alarm. The display supports speed units in knots, km/h, or MPH and temperature units in °C or °F, with pressure units selectable in bar or psi. It operates on 9–32V power supply, features a 432×432 pixel LCD, integrated GPS antenna, and adjustable red and yellow backlighting for visibility even in direct sunlight. Installation dimensions are Ø96 mm instrument diameter, 85 mm panel hole diameter, and 55 mm installation depth.
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$ 787.88
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1-2 weeks delivery time The Osculati 27.329.01 LCD Multifunction Instrument is a marine digital dashboard display designed with electronics and interface compatible with Yamaha and Selva outboard motors. The instrument integrates multiple engine monitoring functions including tachometer, speedometer, fuel level, oil pressure, water temperature, voltage, and engine hour counter in a single display. It supports both NMEA 2000 network and analog signals, with four analog inputs (tachometer sensor, fuel level, water temperature, and oil pressure). The unit features a backlit touchscreen LCD with 432×432 resolution, adjustable brightness, and IP67 protection rating. Operating on 9–32V power supply, it supports fuel senders 0–190 Ω or 240–33 Ω, oil pressure 10–185 Ω, and water temperature 301–23 Ω. Installation size is Ø97.5 mm, and the instrument is supplied with 1 m NMEA cable and 1 m analog cable.
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$ 669.80
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1-2 weeks delivery time The Osculati Voltmeter Marine Gauges are dashboard instruments designed to monitor onboard electrical system voltage. The series includes gauges with 8–16 V scale for 12V systems and 18–32 V scale for 24V systems. All models feature red and yellow backlit dials for improved readability in low-light conditions. The instruments are available with black or white dial options and black or glossy bezel finishes. Each gauge uses a standard marine instrument size with 57 mm outer diameter, 51 mm panel hole diameter, and 45 mm installation depth, allowing easy installation in marine dashboards and electrical monitoring panels.
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$ 35.93
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1-2 weeks delivery time The Osculati Digital Voltmeters are marine dashboard instruments designed to monitor electrical system voltage within an 8–32 V range, suitable for both 12V and 24V onboard electrical systems. The gauges feature red and yellow backlit dials for improved readability in low-light conditions. The series is available with black or white dial options and black or glossy bezel finishes. All models share standard marine installation dimensions with 57 mm instrument diameter, 51 mm panel hole diameter, and 45 mm installation depth, allowing integration into typical boat dashboards and electrical monitoring panels.
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$ 41.25
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1-2 weeks delivery time The Hollex HRHM2352 Series digital hour meter is designed for 9–32V DC systems (12V/24V) and provides engine runtime tracking with a 0–9900 hour display range. It features a Ø59 mm round housing with a 52 mm installation cut-out, IP67 protection rating, and digital display. Available in black or white versions, constructed from polyester and stainless steel 316 for marine applications.
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$ 37.64
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1-2 weeks delivery time The Hollex HFLG1552 Series fuel gauge is an analog instrument designed for 9–32V DC systems (12V/24V) with a resistance range of 0–190 Ohm. It features a Ø59 mm round housing with a 52 mm installation cut-out, IP67 protection rating, and an E–1/2–F scale display. Constructed from stainless steel 316 and polyester, and available in black or white versions, it provides reliable fuel level indication for marine applications.
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$ 34.70
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1-2 weeks delivery time The Hollex HEDM2552 Series is a digital depth meter designed for 9–32V DC systems (12V/24V), supplied with a mirror transducer and 7.5 m cable. It features a Ø59 mm round housing with a 52 mm installation cut-out, IP67 protection rating, and digital display. Constructed from stainless steel 316 and polyester, and available in black or white versions, it provides reliable depth measurement for marine applications.
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$ 270.79
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1-2 weeks delivery time The Hollex HWLG1452 Series is an analog drinking water level gauge designed for 9–32V DC systems (12V/24V) with a resistance range of 0–190 Ohm. It features a Ø59 mm round housing with a 52 mm installation cut-out, IP67 protection rating, and E–1/2–F scale display. Constructed from stainless steel 316 and polyester, and available in black or white versions, it provides reliable tank level indication for marine applications.
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$ 34.70
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1-2 weeks delivery time The Hollex HSPM Series GPS speedometers are analog instruments with integrated GPS, designed for 9–32V DC systems (12V/24V). Available with 0–60 km/h and 0–120 km/h scales, they feature a Ø93 mm housing with an 85 mm installation cut-out and IP67 protection rating. Constructed from stainless steel 316 and polyester, and offered in black or white versions, they provide accurate speed measurement without external sensors.
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$ 135.01
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1-2 weeks delivery time The Hollex HSPM2252 Series digital GPS speedometer operates on 9–32V DC systems (12V/24V) and provides speed measurement from 0–999 with selectable units (MPH, knots, km/h). It features a Ø59 mm round housing with a 52 mm installation cut-out, IP67 protection rating, and digital display. Constructed from stainless steel 316 and polyester, and available in black or white versions, it ensures accurate speed data without external sensors.
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$ 34.70
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What are the primary functions of a marine gauge set (tachometer, oil pressure gauge, fuel gauges, etc.) on a boat?
The primary functions of a marine gauge set on a boat include monitoring essential systems such as fuel levels, speed, and engine performance. A typical boat gauge set, featuring top brands like Faria and Sierra, may include a trim gauge, fuel gauges, and a speed dial, ensuring comprehensive oversight of your boat's operation. Upgrading your boat with a Faria Chesapeake gauge set not only enhances functionality but also adds to the aesthetic appeal with its marine white dial design.
For precise engine monitoring, explore our VDO Boost Gauge, designed for accurate performance tracking.
For optimal performance tracking and reliable RPM monitoring, explore our range of Boat Tachometer options built specifically for marine conditions.
How do water temperature gauges help maintain optimal engine performance on a boat?
Water temperature gauges in a boat gauge set help maintain optimal engine performance by providing real-time monitoring of the engine's temperature, allowing the operator to identify and address overheating issues promptly. Top brands offer reliable and accurate marine white and black dial gauges, ensuring clear visibility and precise readings. Upgrading your boat with a water temperature gauge can enhance engine safety and longevity, with gauges available for shipping from our shop.
As part of a comprehensive Marine Navigation System, these gauges contribute to overall vessel awareness and safe operation.
Pairing these instruments with a trusted Boat Speedometer completes your dashboard for comprehensive engine management.
What specific instruments are included in a typical boat gauge set?
A typical boat gauge set includes essential instruments such as a tachometer, oil pressure gauge, fuel gauge, and water temperature gauge. Gauges today ensure precise monitoring of various engine and system parameters. For pro performance, these sets often include high-quality components and ship the same day, ensuring you can upgrade your boat's instrumentation promptly.
For reliable fuel level measurement in marine environments, check out Marine Fuel Sending Unit, designed for accuracy and durability.