Best Compressor Refrigerant Pressure Switches of 2026

Robert Reyes Avatar
Robert Reyes
Last Updated: Jan 10, 2026

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Compressor refrigerant pressure switches are an essential component in most air conditioning and refrigeration systems. These switches are designed to monitor the pressure of the refrigerant in the system and ensure that it remains within safe operating limits. When the pressure exceeds or falls below the set limits, the switch will trigger an automatic shut-off to prevent damage to the compressor or other components. This not only protects the system but also ensures the safety of the users. These switches are available in a range of sizes and styles to suit different applications, making them a versatile and reliable option for all types of refrigeration systems.

At a Glance: Our Top Picks

Reeoutdoor AC Pressure Sensor Switch Cover #TOP 1
Reeoutdoor AC Pressure Sensor Switch
ftb score rating icon 9.8
ACDelco GM Original Equipment 15-51343 Pressure Sensor Cover #TOP 2
ACDelco GM Original Equipment 15-51343 Pressure Sensor
ftb score rating icon 9.7
QZTYTY AC Pressure Sensor Switch Cover #TOP 3
QZTYTY AC Pressure Sensor Switch
ftb score rating icon 9.5

Top 10 Compressor Refrigerant Pressure Switches

#TOP 1

Reeoutdoor AC Pressure Sensor Switch

1551343
Silver
Reeoutdoor AC Pressure Sensor Switch Cover
1551343 AC Pressure Sensor Switch, 15-51343 13587668 Air Conditioning Refrigerant Pressure Sensor, Compatible with 2002-2021 Chevy Suburban, 2003-2020 GMC Sierra, HVAC Pressure Transducer

Reeoutdoor Sensor Switch is a reliable replacement for old AC pressure sensors. Designed to meet OEM specifications, it offers a better price/performance ratio. With premium materials and high-quality terminals, it ensures extended life. The sensor switch is compatible with various Chevy, Cadillac, GMC, and more models from 2002-2021. Before installation, ensure clean electrical connections to guarantee proper functionality.

What We Like
Reliable Replacement
Premium Materials
Extended Life
#TOP 2

ACDelco GM Original Equipment 15-51343 Pressure Sensor

15-51343
ACDelco GM Original Equipment 15-51343 Pressure Sensor Cover
GM Genuine Parts 15-51343 (13587668) Multi-Purpose Pressure Sensor

ACDelco GM Original Equipment 15-51343 is a replacement part recommended by GM for your GM vehicle's original factory component. It offers quality and reliability with durability of GM OE. This pressure sensor is manufactured to GM OE specification for fit, form, and function. The product is compatible with Car and Truck vehicles. It is categorized under Compressor Refrigerant Pressure Switches and made in the United States.

What We Like
High-quality replacement part recommended by GM
Manufactured to GM OE specification for fit, form, and function
Compatible with Car and Truck vehicles
#TOP 3

QZTYTY AC Pressure Sensor Switch

QZTYTY AC Pressure Sensor Switch Cover
QZTYTY AC Pressure Sensor Switch Replacement OEM#1551343 13587668, HVAC Pressure Transducer, AC High Pressure Sensor Switch, Air Conditioning Refrigerant Pressure Sensor for Buick Cadillac Pontiac

The QZTYTY AC Pressure Switch is designed to ensure your vehicle's air conditioning system operates efficiently. It replaces multiple OEM part numbers, so you can easily find a compatible option for your Buick, Cadillac, Pontiac, or Saturn. Made from durable aluminum and plastic, this sensor is built to withstand harsh conditions, providing long-lasting performance. It effectively monitors refrigerant pressure, helping to maintain the compressor's stability and prevent potential damage. Plus, installation is straightforward, as it directly replaces your old or damaged sensor, ensuring a seamless connection.

What We Like
High compatibility with various models
Durable materials for longevity
Monitors refrigerant pressure effectively
Easy installation process
#TOP 4

Tecledsn AC High Pressure Sensor Switch

Tecledsn AC High Pressure Sensor Switch Cover
Tecledsn AC Pressure Sensor Switch Replacement OEM#1551343 13587668, AC High Pressure Sensor Switch, Air Conditioning Refrigerant Pressure Sensor, AC Pressure Switch Fits for Buick Cadillac Pontiac

The Tecledsn AC Pressure Switch is designed with durable aluminum and plastic materials, offering strong resistance to corrosion and wear. This means you get a long-lasting part that won’t easily break or deform, saving you frequent replacements. It perfectly matches the original OEM specifications, making it an ideal replacement for your old or damaged sensor without any fitting issues. Compatible with many Chevy and GMC models, this sensor helps monitor your car’s air conditioning pressure accurately. By doing so, it ensures your AC system maintains a comfortable temperature and operates safely, giving you peace of mind while driving.

What We Like
Durable materials
OEM specification fit
Wide vehicle compatibility
Accurate pressure detection
#TOP 5

Ricmjend AC Pressure Sensor Switch for Chevy and GM Vehicles

1551343
Silver
Ricmjend AC Pressure Sensor Switch for Chevy and GM Vehicles Cover
1551343 AC Pressure Sensor Switch Compatible with Chevy Suburban Tahoe 2002-2021,Buick Cadillac GMC Sierra 2003-2020,Pontiac Saturn 2002-2010 HVAC Pressure Transducer Replaces 13587668

The Ricmjend AC Pressure Sensor is a reliable replacement part designed for a wide range of Chevy, Buick, Cadillac, GMC, Pontiac, and Saturn models from 2002 to 2021. This sensor meets or exceeds original equipment manufacturer standards, ensuring you get a high-quality, durable component. It fits directly onto your vehicle without modifications, restoring your air conditioning system’s proper pressure function. Made from premium materials with durable pin terminals, this sensor promises long-lasting performance, helping you maintain your vehicle’s comfort and efficiency with ease.

What We Like
Wide vehicle compatibility
OEM standard quality
Direct-fit replacement
Durable materials and terminals
#TOP 6

PVOTAWP AC Pressure Switch Sensor 1551343

QH-KTCGQW-1
Black
PVOTAWP AC Pressure Switch Sensor 1551343 Cover
PVOTAWP AC Pressure Switch Sensor OEM#1551343 13587668, A/C High Pressure Switch Air Conditioning Refrigerant Pressure Sensor for Buick Cadillac Pontiac Saturn Chevrolet GMC, HVAC Pressure Transducer

The PVOTAWP AC Pressure Switch is designed to seamlessly replace various original air conditioning pressure sensors, ensuring you avoid compatibility issues. It fits a wide range of vehicle models, including those from Buick, Chevrolet, and GMC, offering flexibility for many drivers. Made from durable aluminum and plastic, this switch is lightweight and resistant to rust and corrosion, ensuring long-lasting performance. Additionally, it accurately tracks oil pressure, providing reliable data to your vehicle's dashboard, enhancing safety and efficiency in your air conditioning system.

What We Like
Easy installation
Wide compatibility
Durable materials
Accurate pressure readings
#TOP 7

Dorman HVAC Pressure Switch

904-627
Dorman HVAC Pressure Switch Cover
Dorman 904-627 HVAC Pressure Switch Compatible with Select Cadillac/Chevrolet/GMC Models

The Dorman Pressure Switch is a reliable replacement for your vehicle's A/C transducer switch. With its direct replacement feature, you can easily swap out corroded or broken switches without any special tools. The simple repair process ensures your A/C system functions properly. Its quality testing guarantees a perfect fit, giving you peace of mind. By using the garage tool to confirm compatibility, you can be confident that this switch will work seamlessly with your specific vehicle.

What We Like
Direct Replacement
Simple Repair
Easy Installation
#TOP 8

YCUPONE A/C Pressure Sensor 88719-33020

8871933020
YCUPONE A/C Pressure Sensor 88719-33020 Cover
YCUPONE Air Conditioning A/C Pressure Switch Sensor 88719-33020 Compatible with iM iQ tC xB xD Avalon Camry Corolla Corolla iM Highlander Land Cruiser Matrix Prius CT200 ES300 ES350 IS250 IS300 IS350

The YCUPONE A/C Pressure Sensor is a non-OEM accessory designed to replace your vehicle's existing A/C pressure switch. Before purchasing, you can easily verify compatibility by using the parts search tool, ensuring the sensor matches your car’s year, brand, and model. Additionally, detailed product images help you confirm the part looks exactly like your old one, preventing installation errors. The package includes one sensor, making it a straightforward replacement option for your vehicle’s air conditioning system. This sensor supports multiple part numbers, offering flexibility for various car models.

What We Like
Non-OEM accessory
Compatibility search tool
Clear product images
Single unit package
#TOP 9

HiSport 4H0959126B A/C Pressure Switch for Audi, Porsche, VW

4H0959126B
Black
HSPICS9126B
HiSport 4H0959126B A/C Pressure Switch for Audi, Porsche, VW Cover
HiSport 4H0959126B Air Conditioner Pressure Switch - A/C Sensor Compatible with 2006-2023 Audi, 2015-2023 Porsche, 2011-2023 Volkswagen Selected Models

The HiSport A/C Pressure Switch is designed to fit select Audi, Porsche, and Volkswagen models, ensuring compatibility by matching your vehicle’s exact part number. Before purchase, you can easily verify fitment using the Part Finder tool or by contacting support if needed, helping you avoid installation issues. This sensor meets or exceeds original equipment standards, providing you with a durable and reliable part that maintains stable performance over time. Additionally, each switch is thoroughly tested before shipping to guarantee quality. For best results, professional installation is recommended, and the latest microchip version enhances its efficiency and reliability.

What We Like
Exact fit verification
OEM quality standard
Pre-shipment testing
Durable and reliable
#TOP 10

VekAuto A/C Pressure Switch Sensor for Ford F-Series 2010-2023

Black, Silver Tone
7.6X4.5X3.5cm
VekAuto A/C Pressure Switch Sensor for Ford F-Series 2010-2023 Cover
VekAuto No.BT4319D594AA/BT4Z19D594A A/C Pressure Switch Sensor for Ford F-150 F150 2010-2023 Engine Air Conditioning Refrigerant Pressure Transducer

The VekAuto A/C Pressure Sensor is designed to fit a wide range of Ford trucks and vans from 2010 to 2023, including popular models like the F-150 and Super Duty series. This sensor helps solve common air conditioning issues, such as your vehicle not cooling properly or the compressor failing to work, ensuring your AC runs smoothly. It also detects and stores fault codes in your vehicle’s engine or AC control module, making troubleshooting easier. Made from durable metal and plastic, this sensor provides reliable performance. Plus, it's simple to install as a direct replacement, so you can quickly get your air conditioning system back in working order.

What We Like
Wide vehicle compatibility
Fixes AC cooling problems
Stores fault codes
Durable materials
Easy installation
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What is the pressure switch on an AC compressor?

The pressure switch on an AC compressor monitors the pressure level of the A/C loop. It controls the operation of the compressor by enabling or disabling it based on two pressure thresholds. It also controls the cooling fan to ensure proper condensation process by forcing airflow through the condenser.

2. How does a refrigeration pressure switch work?

A refrigeration pressure switch can be for high or low pressure. If the refrigerant discharge pressure becomes too high, the switch opens to lower the pressure. Conversely, if the suction pressure falls too low, the switch closes to raise the pressure back to an acceptable level.

3. Are all air compressor pressure switches the same?

No, air compressor pressure switches come in different designs and types. While they all serve the purpose of switching on or off at a specific pressure, some may be basic and non-adjustable, while others offer more flexibility and additional options.

4. What happens if a pressure switch goes bad?

If a pressure switch on an AC or well system goes bad, it can lead to various issues. For example, in a well system, the pump may not turn off when the tank's pressure exceeds the preset cut-off pressure or may not turn on when the pressure drops below the cut-on pressure. In an AC system, a malfunctioning pressure switch can cause the compressor to run continuously, leading to pressure buildup and unusual noises.

Editor's Notes

During our compressor refrigerant pressure switch research, we found 24 compressor refrigerant pressure switch products and shortlisted 10 quality products. We collected and analyzed 7,679 customer reviews through our big data system to write the compressor refrigerant pressure switches list. We found that most customers choose compressor refrigerant pressure switches with an average price of $16.19.

The compressor refrigerant pressure switches are available for purchase. We have researched hundreds of brands and picked the top brands of compressor refrigerant pressure switches, including Reeoutdoor, GM GENUINE PARTS, QZTYTY, Tecledsn, Ricmjend. The seller of top 1 product has received honest feedback from 270 consumers with an average rating of 4.9.

Written by
Robert Reyes Avatar

Robert Reyes is a dedicated writer from San Francisco with a bachelor of degree in mechanics and a bachelor of degree in marketing. He focuses on making some complicated topics simple and enjoys explaining complex and technical things in an easy-to-understand way.