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Cooling System Warning Switches & Lights

Temperature warning switches will not read accurately if they are mounted remotely. The switch must be exposed to the constant flow of coolant in order to function properly.

Our 3 psi pressure switch is an excellent way to detect loss of coolant!

Recent Top Seller for this product group

225 F Temperature Switch, 1/4 NPT

225 F Temperature Switch, 1/4 NPT

This single-terminal self grounding switch closes at 225F and higher. Works with any two-wire (non-grounding) warning light. Uses 1/4 NPT male threads

ImagePart No.DescriptionPriceStock Status
3 psi Coolant Low Pressure Warning Switch - 1/8 NPT

LA43241 

3 psi Coolant Low Pressure Warning Switch - 1/8 NPT

 
4.5
$26.99In Stock
Davies Craig Low Coolant Level Alarm Kit

DC1035 

Davies Craig Low Coolant Level Alarm Kit

$176.68In Stock
225 F Temperature Switch, 1/4 NPT

1005 

225 F Temperature Switch, 1/4 NPT

$64.99In Stock
225 F Temperature Switch, 1/2 NPT

1006 

225 F Temperature Switch, 1/2 NPT

 
5.0
$59.99In Stock
Auto Meter Pro Lite Temperature Switch, 220 F, 1/2 NPT

AM3247 

Auto Meter Pro Lite Temperature Switch, 220 F, 1/2 NPT

$38.27In Stock
Compact Warning Light Assembly, Blue

LA41805 

Compact Warning Light Assembly, Blue

$14.99In Stock
Compact Warning Light Assembly, Amber

LA41803 

Compact Warning Light Assembly, Amber

$14.99In Stock
Compact FLASHING Warning Light Assembly, Red

LA41802 

Compact FLASHING Warning Light Assembly, Red

$14.99In Stock
Compact Warning Light Assembly, Clear

LA41801 

Compact Warning Light Assembly, Clear

$14.99Not In Stock
notify me when available
Compact Warning Light Assembly, Green

LA41804 

Compact Warning Light Assembly, Green

$14.99In Stock
Light Bulb, 12 volt - replacement for 140136x / LA4180x

1031 

Light Bulb, 12 volt - replacement for 140136x / LA4180x

$2.49In Stock
Dash Badge Identification Plate (Water)

1100-WATER 

Dash Badge Identification Plate (Water)

$5.29In Stock