Mercury Marine 891663001 Sensors Temperature monitoring is one of the most important functions in any marine engine management system, and the sensor doing that job needs to be accurate. The Mercury Marine 891663001 Temperature Sensor Assembly is a genuine OEM replacement that restores precise temperature monitoring to compatible Mercury engines, giving the engine management system the accurate data it needs to protect the engine and alert you when something is not right. The temperature sensor assembly monitors engine temperature in real time and feeds that data to the engine control module and gauge system. On Mercury engines integrated with SmartCraft, that data drives both the temperature gauge at the helm and the engine protection system that can reduce power or shut the engine down if temperatures climb into dangerous territory. A sensor that has drifted out of calibration or failed entirely can produce false readings that trigger unnecessary warnings, suppress warnings that should be active, or cause the engine management system to make incorrect decisions about engine protection. None of those outcomes are acceptable on an engine you depend on. As a genuine Mercury Marine OEM assembly, the 891663001 is calibrated to the exact temperature response curve Mercury specifies for compatible engines. The connector, sealing, and thread specifications match the original, so it installs correctly and communicates accurately with the engine control module from the first start. Aftermarket temperature sensors may fit the port, but calibration differences are common and can compromise the accuracy of everything the sensor feeds. Key Features: Genuine Mercury Marine OEM temperature sensor assembly Part Number: 891663001 Monitors engine temperature for compatible Mercury engine management systems Compatible with Mercury SmartCraft gauge and engine protection systems OEM calibration, connector, sealing, and thread specifications Direct replacement with no modification required Confirm your engine model and serial number before ordering. Mercury temperature sensor assemblies are application-specific, and verifying the correct part number for your engine ensures accurate calibration and proper integration with your gauge and engine protection system. Normalized SKU: 891663001UPC Code: 745061675865

EMP 75-03752 SensorsThis product replaces:840080473956Normalized SKU: 7503752UPC Code: 840080473956

EMP 1300-13602 SensorsThis product replaces:805226A, 1, 840080402024Normalized SKU: 130013602UPC Code: 840080402024

EMP 1300-13601 SensorsThis product replaces:840080407548Normalized SKU: 130013601UPC Code: 840080407548

Mercury Marine 8M0233140 SensorsMercury Cam Position Sensor #8M0233140Normalized SKU: 8M0233140UPC Code: 678633216886

Recmar REC8M0142688 Sensors If your engine is throwing a fit over oil pressure readings, this Recmar pressure sensor is likely the fix you need. The REC8M0142688 is a direct-replacement pressure sensor designed to work with a range of MerCruiser applications, restoring accurate pressure monitoring so your engine management system gets the signal it's looking for. Recmar parts are built to OEM specifications, so you're not guessing on fit or function when this one goes in. Pressure sensors like this one play a straightforward but critical role: they report real-time pressure data to the ECM, which uses that information to protect the engine and keep everything running within spec. A faulty sensor can trigger false alarms, cause erratic gauge readings, or prevent the engine from starting altogether. Swapping it out with a quality replacement gets you back on the water without the drama. This product replaces: Mercruiser: 71-8M0142688, 889659002, 897447002, 8M0142688, 8M6000634, 8M6000637 Direct replacement for select MerCruiser applications Built to OEM specifications for accurate fit and function Restores proper pressure signal to the engine control module Resolves erratic gauge readings, false alarms, and no-start conditions caused by a failed sensor Cross-references multiple MerCruiser part numbers (see list above) Normalized SKU: REC8M0142688

Recmar REC8M0087834 SensorsThis product replaces:885165, 8M0087834 / 3858987, 3859020Normalized SKU: REC8M0087834

Recmar REC8M0068784 Sensors The oil pressure sender, for example, might wear out or fail, even though proper lubrication is essential to the efficiency and endurance of vital components in your engine. This original factory replacement oil pressure sender is the best aftermarket item Motion can suggest. Original unused Genuine Mercury/Mercruiser components must be trusted for total dependability. Key features: -27 NPT Thread Size: 1/8" or 3.2mm 80 psi range 10-32 stud kind of terminal Use an electronic oil pressure gauge that measures 80 psi. 240 Ohms @ 0 PSI, Range-1 Gauge 195 Ohms at 10 PSI on Range-1 Gauge 155 Ohms at 20 PSI, Range-1 Gauge 125 Ohms at 30 PSI, Range-1 Gauge 100 Ohms at 40 PSI, Range-1 Gauge 90 Ohms at 50 PSI, Range-1 Gauge Range-1 Gauge: 65 Ohms at 60 PSI Range-2 Gauge: 65 Ohms at 60 PSI 50 Ohms @ 70 PSI, Range-1 Gauge At 80 PSI, Range-1 Gauge is 33 Ohms. Specifications: Brand: RECMAR Manufacturer's Part Number: REC8M0068784 80 PSI Oil Pressure Sender MerCruiser, OMC, and Volvo Penta are standard inboard petrol engines. This product replaces: 700425, R020001 / 34623, 815425, 815425T, 87-815425T, 8M0068784, 90806, 90806A1 / 0509445, 0982650, 3853800, 3857532 / RO200001 / 3853800, 3857532, 834920, 872063 Normalized SKU: REC8M0068784

Recmar REC8M0054726 SensorsThis product replaces:556102 / 861249, 861249A1, 881731, 8M0054726Normalized SKU: REC8M0054726

Recmar REC8653103 SensorsThis product replaces:8653103Normalized SKU: REC8653103

Recmar REC864297T01 SensorsThis product replaces:556293 / 864297, 864297001, 864297T01 / 3858979Normalized SKU: REC864297T01

Recmar REC854445 SensorsThis product replaces:854445Normalized SKU: REC854445

Recmar REC803148 SensorsThis product replaces:S556032 / 803148 / 3855296 / 3855296Normalized SKU: REC803148

Recmar REC48952 SensorsThis product replaces:48952, 806951Normalized SKU: REC48952

Recmar REC3887328 SensorsThis product replaces:23747331, 3842442, 3887328Normalized SKU: REC3887328

Recmar REC3863130 SensorsThis product replaces:898141, 8M0156229 / 3863130Normalized SKU: REC3863130

Recmar REC3859082 SensorsThis product replaces:3859082, 3861323Normalized SKU: REC3859082