Sensors and encoders

MerCruiser sensors & encoders

In this category you will find sensors and encoders for MerCruiser engines - for monitoring and controlling central engine functions. Select sensors preferably by function (e.g. pressure or temperature sensor), engine/power and OEM reference number. Many items are stored with replacement number clusters, allowing variants to be reliably differentiated (example: pressure sensor 8M6000637 incl. replacement refs, shown for 200/400 HP). This reduces incorrect orders and speeds up repairs in the workshop.
Temperature sensor (water temperature) for Mercruiser, Volvo Penta and OMC 805218T, 3850397
Temperature sensor (water temperature) for Mercruiser, Volvo Penta and OMC 805218T, 3850397
article nr.04885

Temperature sensor (water temperature) suitable for Mercruiser and Volvo Penta 805218T, 3850397

35,35 EUR
incl. 19% VAT
Lieferung Fri 07. Aug - Tue 11. Aug 2026 **
24 months statutory warranty
Original spare part
Quicksilver temperature sensor (water temperature) Mercruiser, Volvo Penta and OMC 806490T
Mercury-Mercruiser-Quicksilver
Quicksilver temperature sensor (water temperature) Mercruiser, Volvo Penta and OMC 806490T
article nr.09859

Temperature sensor (water temperature) for Mercruiser, 36525, 806189Q1, 806490, 806490T, 811091, 97-257, 97257, 97257A1; Volvo: 3852029, 3853787, 835630, 872067; Bombardier: 0509447, 0769589, 0769761, 0980613, 3852029, 3853787

25,89 EUR
incl. 19% VAT
Lieferung Fri 07. Aug - Tue 11. Aug 2026 **
24 months statutory warranty
Oil pressure sensor for 80 PSI US oil pressure indicator MD8M0068784
Oil pressure sensor for 80 PSI US oil pressure indicator MD8M0068784
article nr.03638

Volvo Penta / OMC ref. no. 3857532, Mercruiser ref. no. 8M0068784

51,58 EUR
incl. 19% VAT
Lieferung Fri 07. Aug - Tue 11. Aug 2026 **
24 months statutory warranty
Oil pressure sensor kit for Mercruiser 864252A01, 87-864252A01
Oil pressure sensor kit for Mercruiser 864252A01, 87-864252A01
article nr.04991

Oil pressure sensor kit suitable for Mercruiser 864252A01, 87-864252A01

23,26 EUR / Set
incl. 19% VAT
Lieferung Fri 07. Aug - Tue 11. Aug 2026 **
24 months statutory warranty
Temperature sensor (water temperature) for Mercruiser, Volvo Penta and OMC 806490T, 3853787
Temperature sensor (water temperature) for Mercruiser, Volvo Penta and OMC 806490T, 3853787
article nr.04985

Temperature sensor (water temperature) for Mercruiser, Volvo Penta and OMC 806490T, 3853787

20,31 EUR
incl. 19% VAT
Lieferung Fri 07. Aug - Tue 11. Aug 2026 **
24 months statutory warranty
Oil pressure switch Mercruiser MD805605A1
Oil pressure switch Mercruiser MD805605A1
article nr.09530

Oil pressure switch / alarm switch for Mercruiser, Volvo Penta and OMC 38559, 805605A1, 817169, 87-805605A1, 87-80560A1, F708940

21,33 EUR
incl. 19% VAT
Lieferung Fri 07. Aug - Tue 11. Aug 2026 **
24 months statutory warranty
Idle speed regulator IAC valve for Mercruiser and Volvo Penta 805224A1, 3855194
Idle speed regulator IAC valve for Mercruiser and Volvo Penta 805224A1, 3855194
article nr.04883

Idle speed regulator IAC valve / engine suitable for Mercruiser and Volvo Penta 805224A1, 3855194

48,70 EUR / Piece
incl. 19% VAT
Lieferung Fri 07. Aug - Tue 11. Aug 2026 **
24 months statutory warranty
Microswitch / Shift Interrupter for Mercruiser 3.0 L - 5.7 L 814281A5
Microswitch / Shift Interrupter for Mercruiser 3.0 L - 5.7 L 814281A5
article nr.04955

Mercruiser ref. no. 814281A5

49,08 EUR
incl. 19% VAT
Lieferung Fri 07. Aug - Tue 11. Aug 2026 **
24 months statutory warranty
Temperature sensor (water temperature) for Mercruiser MD48952
Temperature sensor (water temperature) for Mercruiser MD48952
article nr.05012

Temperature sensor (water temperature) for Mercruiser, 48952 - 806951

54,52 EUR
incl. 19% VAT
Lieferung Fri 07. Aug - Tue 11. Aug 2026 **
24 months statutory warranty
Temperature sensor for Mercruiser, Volvo Penta, OMC MD97258A1
Temperature sensor for Mercruiser, Volvo Penta, OMC MD97258A1
article nr.05129

Temperature sensor (water temperature) 1/2? - 14 NPT for Mercruiser: 34625, 97258, 97258A1, FI6900152, FI6900198
Volvo Penta and OMC 0171960, 0509448, 0778412, 171960
Sierra 18-5898

25,93 EUR
incl. 19% VAT
Lieferung Fri 07. Aug - Tue 11. Aug 2026 **
24 months statutory warranty
Shut-off solenoid, solenoid valve, solenoid switch for Mercruiser 1.7L / 2.8L Diesel MD803623001
Shut-off solenoid, solenoid valve, solenoid switch for Mercruiser 1.7L / 2.8L Diesel MD803623001
article nr.09748

Mercruiser Ref. 803623, 803623001, 811406

31,22 EUR
incl. 19% VAT
Lieferung Fri 07. Aug - Tue 11. Aug 2026 **
24 months statutory warranty
Original spare part
Idle air regulator (Valve Idle Air) for Mercruiser MPI models, 8M0181068
Mercury-Mercruiser-Quicksilver
Idle air regulator (Valve Idle Air) for Mercruiser MPI models, 8M0181068
article nr.09794

3.0MPI - 6.2L MPI 8.1L 600, 662, 700 Race engines

254,31 EUR
incl. 19% VAT
Lieferung Fri 07. Aug - Tue 11. Aug 2026 **
24 months statutory warranty
Air idle valve Mercruiser 8M0181068
Recmar
Air idle valve Mercruiser 8M0181068
article nr.REC862998

Suitable for the following models: 3.0LMPI, 4.3 MPI, 5.0L MPI, 350 MAG MPI, MX6.2 MPI, 8.1L 600, 662, 700 (Race sterndrive)

129,57 EUR
incl. 19% VAT
Lieferung Fri 07. Aug - Tue 11. Aug 2026 **
24 months statutory warranty
Lambda sensor for Mercruiser and Volvo Penta MPI models 8M2003959
Lambda sensor for Mercruiser and Volvo Penta MPI models 8M2003959
article nr.09637

Lambda sensor for Mercruiser: 8M2003959, Volvo Penta . 3883724

165,72 EUR
incl. 19% VAT
Lieferung Fri 07. Aug - Tue 11. Aug 2026 **
24 months statutory warranty
Lambda sensor for Mercruiser MPI models 8M0142695
Lambda sensor for Mercruiser MPI models 8M0142695
article nr.09638

Lambda sensor for Mercruiser: 8M0095468, 8M0142695

142,80 EUR
incl. 19% VAT
Lieferung Fri 07. Aug - Tue 11. Aug 2026 **
24 months statutory warranty
Warning kit / alarm switch for Mercruiser, Volvo Penta and OMC, MD41400
Warning kit / alarm switch for Mercruiser, Volvo Penta and OMC, MD41400
article nr.09681

Warning kit / alarm switch set for Mercruiser, Volvo Penta and OMC

The kit includes the temperature and oil pressure sensor

24,56 EUR / Set
incl. 19% VAT
Lieferung Fri 07. Aug - Tue 11. Aug 2026 **
24 months statutory warranty
 Relay for Mercruiser ignition and fuel pump MD865202T
Relay for Mercruiser ignition and fuel pump MD865202T
article nr.05127

Mercruiser ref. no. 807057, 807057T, 86-865202T. Sierra ref. no.: 18-5851

56,14 EUR / Piece
incl. 19% VAT
Lieferung Fri 07. Aug - Tue 11. Aug 2026 **
24 months statutory warranty
Coolant temperature sensor 3850397 Coolant temperature sensor 3850397
Recmar
Coolant temperature sensor 3850397
article nr.REC3850397

Suitable for the following models: D3 4.3 5.0 5.7 7.4 8.1

26,61 EUR
incl. 19% VAT
Lieferung Fri 07. Aug - Tue 11. Aug 2026 **
24 months statutory warranty
Fuel pump switch Mercruiser 8M0070108
Recmar
Fuel pump switch Mercruiser 8M0070108
article nr.REC87-864252

Suitable for the following models: 4.3, 5.0, 5.7 Motores modernos

27,90 EUR
incl. 19% VAT
Lieferung Fri 07. Aug - Tue 11. Aug 2026 **
24 months statutory warranty
Original spare part
Microswitch - Shift Plate Kit (old version) Mercruiser Alpha 864363A1
Mercury-Mercruiser-Quicksilver
Microswitch - Shift Plate Kit (old version) Mercruiser Alpha 864363A1
article nr.09526

Mercruiser ref. no. 864363A1

309,06 EUR / Set
incl. 19% VAT
Lieferung Fri 07. Aug - Tue 11. Aug 2026 **
24 months statutory warranty
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Suggested text (modular):
MerCruiser sensors & encoders: custom-fit measurement and control components according to OEM logic
Sensors and encoders are key components for monitoring and controlling engine parameters. This category bundles robust spare parts for MerCruiser applications - designed for maritime operating conditions and with a focus on clear compatibility.

Function first: Sensor type as the starting point for selection
Search intentions usually arise from the sensor function: pressure, temperature, oil/switching and other sensors. The category should therefore be structured in clear function clusters (filters/tiles) so that users can get directly to the right area without a long search.

OEM number first: Reduce incorrect orders
In the sensor sector, components are often similar on the outside, but differ in terms of characteristic curve, connection diagram or model release. Best practice is therefore to select via OEM reference numbers and - where available - replacement number lists. One specific anchor in your range is the 8M6000637 pressure sensor, which is designated for 200 HP / 400 HP and has several MerCruiser replacement references (including 71-8M0142688, 8M0010469). This number logic should be actively communicated in the category as "Enter part number" or "Use replacement numbers".

Model/performance as a second selection criterion
In addition to the OEM number, the model/performance assignment is a decisive purchasing criterion. Where items are explicitly labeled according to performance (e.g. 200/400 HP), this should appear as a visible listing badge ("HP", "Model group"). This reduces the number of incorrect purchases for variants that only occur in certain engine families.