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Radiator fan switch for automobile

Original Radiator fan switch catalogue

Information - Radiator fan temperature switch

Fan switch sensor: replacement and selection

When and why a fan switch sensor needs replacement

The fan switch sensor has no specified lifetime limit. Most often replacement is performed after contacts oxidation.

Ingress of water in the engine compartment can be the cause of sensor defects. Influence of moisture affects contacts condition negatively.

Part defects can be indicated by unprompted activation of the fan when the ignition is turned on. Moreover, the fan stops switching on if the sensor is broken. Due to this temperature of the cooling liquid increases leading to engine overheating. Readings of a corresponding dashboard indicator show this.

It is recommended to visit a service station for part replacement. Cooling liquid should be drained before demounting of the radiator fan switch. In order to do this safely, you need a special coolant exchanger machine. Also, wires which supply electric current to the part need be to disconnected before servicing. A seal, which is often sold in a kit should be installed together with the sensor.

How to select a fan switch sensor

According to operation principle sensors are divided into three main types. A reservoir filled with wax is a basic element of the first type. It expands when heated and moves a pusher, which in turn activates the fan. The working element of devices of the second type is a bimetallic plate. It changes its shape when heated, which leads to closing a contact and, as a result, to activation of the fan. Electronic devices with a thermistor belong to the third type. Their operating principle is based on changes in thermistor electric resistance caused by changes in temperature. This is monitored by an electronic control module, which sends corresponding signals to the fan, turning it on or off.

Fan switch sensors for various car brands are produced by such manufacturers as Metzger, Vemo, Meyle, Facet. A required unit is selected in accordance with the car brand, model, production year as well as engine specifications and type of the fan installed. Pay attention that a certain temperature of sensor activation is specified for each car.

Size and pitch of the thread, quantity of connectors are important for proper installation of the part. Moreover, sensors can vary by mounting location. Often the part is mounted on the cylinder block, however, in some cars it is fastened in the lower part of a radiator.

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Best goods: Radiator fan switch

RIDEX 1103T0009 Temperature Switch, radiator fan
1103T0009
Article №: 1103T0009
Car Radiator fan switch RIDEX 1103T0009
£ 8,49
incl. 20% VAT, excl. delivery costs
  • Shut-off Point [°C]: 82
  • Thread Size: M22x1.5
  • Condition: New
Details
Over 100 in stock
RIDEX 1103T0008 Temperature Switch, radiator fan
1103T0008
Article №: 1103T0008
Car Coolant fan switch RIDEX 1103T0008
£ 8,99
incl. 20% VAT, excl. delivery costs
  • Shut-off Point [°C]: 82
  • Thread Size: M22x1.5
  • Number of pins: 2
  • Condition: New
Details
Over 100 in stock
RIDEX 1103T0003 Temperature Switch, radiator fan
1103T0003
Article №: 1103T0003
Car Radiator fan temperature switch RIDEX 1103T0003
£ 8,99
incl. 20% VAT, excl. delivery costs
  • External Thread [mm]: M22 x 1,5
  • Number of connectors: 3
  • Supplementary Article / Supplementary Info Info 2: with seal ring
  • Temperature range from [°C]: 87
  • Condition: New
Details
Over 100 in stock
RIDEX 1103T0017 Temperature Switch, radiator fan
1103T0017
Article №: 1103T0017
Car Radiator fan switch RIDEX 1103T0017
£ 9,99
incl. 20% VAT, excl. delivery costs
  • Connector Shape: rectangular
  • Thread Size: M 22
  • Number of pins: 2
  • Switch-on point [°C]: 97
  • Shut-off Point [°C]: 92
  • Thread Pitch [mm]: 1,5
  • Supplementary Article / Supplementary Info: with gasket/seal
  • Condition: New
Details
Over 100 in stock
RIDEX 1103T0019 Temperature Switch, radiator fan
1103T0019
Article №: 1103T0019
Car Coolant fan switch RIDEX 1103T0019
£ 12,99
incl. 20% VAT, excl. delivery costs
  • Connector Shape: angular
  • Number of pins: 3
  • Switch-on point [°C]: 85, 93
  • Shut-off Point [°C]: 80, 88
  • Number of switch stages: 2
  • Thread Size: M 22 x 1,5
  • Condition: New
Details
Over 100 in stock
FEBI BILSTEIN 10114 Temperature Switch, radiator fan
10114
Article №: 10114
Car Radiator fan temperature switch FEBI BILSTEIN 10114
£ 11,99
incl. 20% VAT, excl. delivery costs
  • Spanner Size: 29
  • Number of connectors: 3
  • Colour Coding: black
  • Temperature range from [°C]: 95, 102
  • Temperature range to [°C]: 84, 92
  • Connector Shape: rectangular
  • Weight [kg]: 0,048
  • Supplementary Article / Supplementary Info Info 2: with seal ring
  • External Thread Size: M22 x 1,5
  • Condition: New
Details
Over 100 in stock
FEBI BILSTEIN 01528 Temperature Switch, radiator fan
01528
Article №: 01528
FEBI BILSTEIN 01528 Radiator fan switch price
£ 10,49
incl. 20% VAT, excl. delivery costs
  • Spanner Size: 29
  • Number of connectors: 3
  • Colour Coding: grey
  • Temperature range from [°C]: 95, 102
  • Temperature range to [°C]: 84, 92
  • Weight [kg]: 0,061
  • Supplementary Article / Supplementary Info Info 2: with seal ring
  • External Thread Size: M22 x 1,5
  • Condition: New
Details
Over 100 in stock
FEBI BILSTEIN 01102 Temperature Switch, radiator fan
01102
Article №: 01102
FEBI BILSTEIN 01102 Coolant fan switch price
£ 10,81
incl. 20% VAT, excl. delivery costs
  • Number of connectors: 2
  • Colour Coding: white
  • Switch Point [°C]: 90, 95
  • Weight [kg]: 0,045
  • for OE number: 61 31 1 364 272
  • External Thread Size: M14 x 1,5
  • Condition: New
Details
Over 100 in stock
CALORSTAT by Vernet TS1956 Temperature Switch, radiator fan
TS1956
Article №: TS1956
CALORSTAT by Vernet TS1956 Radiator fan temperature switch price
£ 18,49
incl. 20% VAT, excl. delivery costs
  • Thread Size: M22x1.5
  • Supplementary Article / Supplementary Info Info 2: with cable
  • Sensor Type: Open-style sensor
  • Operating temperature from [°C]: 88, 92
  • Operating temperature to [°C]: 83, 87
  • Condition: New
Details
Over 100 in stock
ERA 330194 Temperature Switch, radiator fan
330194
Article №: 330194
ERA 330194 Radiator fan switch price
£ 9,99
incl. 20% VAT, excl. delivery costs
  • Thread Size: M22 x 1,5
  • Spanner Size: 29
  • Number of pins: 2
  • Switch point from [°C]: 92
  • Switch point to [°C]: 87
  • Condition: New
Details
Over 100 in stock
CALORSTAT by Vernet TS1772 Temperature Switch, radiator fan
TS1772
Article №: TS1772
CALORSTAT by Vernet TS1772 Coolant fan switch price
£ 10,99
incl. 20% VAT, excl. delivery costs
  • Thread Size: M22x1.5
  • Sensor Type: Open-style sensor
  • Operating temperature from [°C]: 93, 97
  • Operating temperature to [°C]: 88, 92
  • Condition: New
Details
Over 100 in stock
VEMO V15-71-0007 Relay, radiator fan castor
V15-71-0007
Article №: V15-71-0007
VEMO V15-71-0007 Radiator fan temperature switch price
£ 9,99
incl. 20% VAT, excl. delivery costs
  • Voltage [V]: 12
  • Relay function: Terminal 30, Clamp 87
  • Rated current [A]: 40
  • Weight [kg]: 0,03
  • Product line: Original Quality
  • Fitting Position: Engine Compartment
  • Packaging height [cm]: 4,2
  • Packaging Depth [cm]: 2,8
  • Condition: New
Details
Over 100 in stock
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