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Autocar Pressure Switch Trinary - A6150189-001

SKU A6150189-001
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Product Description

Your truck's HVAC system has a lot of parts and components working seamlessly together, and each individual component is important, including the trinary pressure switch. The main function of the trinary pressure switch is to provide protection to the compressor on the high side against pressures that are either too high or two low.

When your HVAC system's trinary pressure switch is malfunctioning, it can cause damage to the compressor and other areas of the heating and cooling system overall. It could also cause the temperature inside the cabin to not regulate properly.

When fitting your truck or fleet with HVAC components, choose a brand you can trust. Autocar boasts over 100 years in the industry and is brand of choice for over 1,000 suppliers. With Autocar, you're always up.


  • Protects the compressor against high side pressures that are either too high or too low
  • Can also engage fan clutches or open radiator shutters in some vehicles


Warrantied against any defects that are due to faulty material or workmanship for a period of 1 (one) year after purchase or after installation unless otherwise noted in the attached warranty information.

Cross Reference

A6150174-001, A6151257-001


UOM Quantity (Per Unit of Measure)1
Unit of Measure (case, ea, drum, etc.)each
BenefitsThe trinary pressure switch protects the compressor against high side pressures that are either too high or too low. In some vehicles, this switch also features the ability to engage a fan clutch or open radiator shutters.

Prop 65

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

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