Engine Parts & Service - Sensors
Marine engine sensors are critical for monitoring your vessel's performance, providing accurate real-time data that helps keep your engine running safely, efficiently, and reliably. Engineered for demanding freshwater and saltwater environments, today's marine-grade sensors feature corrosion-resistant construction, durable electronics, and precision calibration designed to withstand vibration, heat, moisture, and harsh marine conditions. From oil pressure sensors, water temperature sensors, coolant sensors, knock sensors, MAP sensors, crankshaft and camshaft position sensors, trim sensors, and fuel pressure sensors to other OEM replacement engine sensors, these components help monitor vital engine functions and communicate with gauges or electronic control modules for optimal performance. Accurate sensor readings can help detect potential issues early, improve fuel efficiency, reduce emissions, and prevent costly engine damage.
Featuring premium products from trusted manufacturers such as Sierra, ARCO Marine, Regitar USA, CDI Electronics, and other leading marine brands, our Engine Parts & Service – Sensors collection delivers the quality, durability, and reliability serious boaters expect. Browse our selection today and let our knowledgeable team help you choose the ideal sensors for your vessel's engine.
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Sort by:
- Featured
- Most relevant
- Best selling
- Alphabetically, A-Z
- Alphabetically, Z-A
- Price, low to high
- Price, high to low
- Date, old to new
- Date, new to old
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Vendor:Regitar U.S.A.
Regitar USA Temperature Sensor f/Volvo Penta Engines [RMP001]
- $20.99
$28.99- $20.99
- Unit price
- / per
Temperature Sensor for Volvo Penta EnginesTemperature Sensor for Volvo Penta Engines.Engine Brand:Volvo PentaFitment:Volvo Penta Engines Brochure (pdf)- $20.99
$28.99- $20.99
- Unit price
- / per
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Vendor:Regitar U.S.A.
Regitar USA Knock Sensor f/Mercruiser, Volvo Penta, OMC Inboard Engines: MCM/MIE GM V-8 (454, 502, 540 572 CID) Engines. [RMH004]
- $46.99
$60.00- $46.99
- Unit price
- / per
Knock Sensor for Mercruiser, Volvo Penta & OMC Inboard Engines: MCM/MIE GM V-8 (454, 502, 540 & 572 CID) Engines.Knock Sensor for Mercruiser, Volvo Penta, and OMC inboard engines: MCM/MIE GM V-8 (454, 502, 540 & 572 CID) Engines.Engine Brand: Mercury / Mercruiser OMC...- $46.99
$60.00- $46.99
- Unit price
- / per
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Vendor:Regitar U.S.A.
Regitar USA Temperature Sensor f/Mercruiser Volvo Penta Engines [RMP003]
- $18.99
$35.00- $18.99
- Unit price
- / per
Temperature Sensor for Mercruiser & Volvo Penta EnginesTemperature Sensor for Mercruiser and Volvo Penta Engines.Engine Brand: Mercury / Mercruiser OMC Volvo Penta Fitment:Mercruiser, OMC, and Volvo Penta Engine Brochure (pdf)- $18.99
$35.00- $18.99
- Unit price
- / per
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Vendor:Regitar U.S.A.
Regitar USA MAP Sensor f/Mercruiser Engines: MCM V-6 V-8 (305, 350 496 CID) MPI Engines w/ECM 555 [RMJ002]
- $96.99
$143.00- $96.99
- Unit price
- / per
MAP Sensor for Mercruiser Engines: MCM V-6 & V-8 (305, 350 & 496 CID) MPI Engines with ECM 555MAP Sensor for Mercruiser engines: MCM V-6 & V-8 (305, 350 & 496 CID) MPI Engines With ECM 555.Engine Brand:Mercury / MercruiserFitment:MCM V-6 & V-8 (305,...- $96.99
$143.00- $96.99
- Unit price
- / per
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Vendor:Regitar U.S.A.
Regitar USA Camshaft Position Sensor f/Volvo Penta Engines [RMX001]
- $85.99
$134.99- $85.99
- Unit price
- / per
Camshaft Position Sensor for Volvo Penta EnginesCamshaft Position Sensor for Volvo Penta Engines: MCM and MEI 350 Mag MPI, MX 5.7L MPI, 6.2L MPI & 377 Mag.Engine Brand:Volvo PentaFitment:MCM and MEI 350 Mag MPI, MX 5.7L MPI, 6.2L MPI & 377 Mag Brochure (pdf)- $85.99
$134.99- $85.99
- Unit price
- / per


![Regitar USA Temperature Sensor f/Volvo Penta Engines [RMP001]](http://www.dbmarinesupplies.com/cdn/shop/files/107577XL_533x.jpg?v=1742343460)
![Regitar USA Knock Sensor f/Mercruiser, Volvo Penta, OMC Inboard Engines: MCM/MIE GM V-8 (454, 502, 540 572 CID) Engines. [RMH004]](http://www.dbmarinesupplies.com/cdn/shop/files/107535XL_533x.jpg?v=1742343230)
![Regitar USA Temperature Sensor f/Mercruiser Volvo Penta Engines [RMP003]](http://www.dbmarinesupplies.com/cdn/shop/files/107579XL_533x.jpg?v=1742343478)
![Regitar USA MAP Sensor f/Mercruiser Engines: MCM V-6 V-8 (305, 350 496 CID) MPI Engines w/ECM 555 [RMJ002]](http://www.dbmarinesupplies.com/cdn/shop/files/107538XL_533x.jpg?v=1742343251)
![Regitar USA Camshaft Position Sensor f/Volvo Penta Engines [RMX001]](http://www.dbmarinesupplies.com/cdn/shop/files/107652XL_533x.jpg?v=1742343708)