Looking for the best Cadillac HVAC sensors to keep your car cool and safe? We’ve got you covered with a list of 10 top-rated, easy-to-install, and long-lasting sensors that drivers trust.
Finding the best Cadillac HVAC sensors makes a big difference in how your car’s air conditioning performs. A good sensor keeps the system safe and cool.
Drivers often share how a quality sensor saved them from costly repairs. It keeps the compressor protected. It makes the cooling steady.
Readers trust guides that point to tested parts. They want easy installs. They expect long-lasting performance.
List of Top 10 Cadillac HVAC Sensors
| Image | Title | Best For | Price |
|---|---|---|---|
![]() |
KUQUTIDY AC Pressure Sensor Switch for Buick Cadillac Pontiac Saturn Chevy GMC Air Compressor, OEM#1551343 HVAC Pressure Transducer Air Conditioning Refrigerant High Pressure Sensor Replacement |
This A/C pressure sensor switch is perfect for car owners who need a reliable replacement for their Buick, Chevy, GMC, or other compatible vehicles. It’s easy to install and built to last, keeping your air conditioning system running smoothly. |
|
![]() |
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 |
This AC pressure switch sensor is perfect for car owners who need a reliable replacement for their air conditioning system. It’s ideal for Buick, Cadillac, Pontiac, Saturn, Chevrolet, and GMC vehicles, ensuring accurate and safe performance. |
|
![]() |
SWQS AC Pressure Sensor Switch Replacement for Buick Cadillac Pontiac Saturn Chevrolet GMC HVAC Pressure Transducer OEM#1551343 13587668 Air Conditioning Refrigerant Pressures Sensor |
This AC pressure sensor switch is perfect for drivers who want their car’s air conditioning system to stay safe, stable, and efficient. It’s ideal for anyone needing a reliable replacement that fits like the original and lasts longer. |
|
![]() |
ESWW AC High Pressure Sensor Switch Replace OEM# 1551343 13587668 HVAC Pressure Transducer for Buick Cadillac Pontiac Saturn Chevy GMC Replacement Parts Air Conditioning Refrigerant Pressures Sensor |
This ESWW AC High Pressure Sensor Switch is perfect for car owners who need a reliable replacement for their air conditioning system. It’s ideal for Buick, Cadillac, Pontiac, Saturn, Chevy, and GMC vehicles, ensuring stable performance and long-lasting durability. |
|
![]() |
Dorman 904-627 HVAC Pressure Switch Compatible with Select Cadillac/Chevrolet/GMC Models |
This Dorman 904-627 HVAC Pressure Switch is perfect for car owners who need a quick and easy fix for their A/C system. It’s ideal for those with Cadillac, Chevrolet, or GMC models looking for a direct replacement that’s simple to install and quality tested. |
|
![]() |
DUNSIHUI Ac High Pressure Sensor Switch 13587668 Compatible with Buick Cadillac Chevrolet GMC Compatible with Suburban Tahoe Sierra Saturn 1551343 HVAC Pressure Transducer Sensor Mt1247 |
This high-pressure sensor switch is perfect for car owners who need a reliable replacement part. It works with many Buick, Cadillac, Chevrolet, GMC, and Saturn models. |
|
![]() |
OSKYUO Air Conditioning A/C Refrigerant Pressure Switch Sensor & Connector 13587668 Compatible with GM Buick Chevrolet Cadillac GMC Pontiac Hummer Saturn, HVAC Pressure Transducer 1551343 |
This product is perfect for car owners who need a reliable and affordable replacement for their A/C pressure switch sensor. It’s easy to install and works with many GM vehicles. |
|
![]() |
AC Pressure Sensor Switch, HVAC Pressure Transducer, Air Conditioning Refrigerant Pressure Sensor, Compatible with Buick/Cadillac/Chevy/Pontiac, Replace 1551343 13587668 |
This AC Pressure Sensor Switch is perfect for car owners who need a reliable replacement part for their air conditioning system. It’s ideal for Buick, Cadillac, Chevy, and Pontiac vehicles, ensuring smooth AC performance. |
|
![]() |
Dunviku 1551343 AC Pressure Sensor Switch HVAC Refrigerant Pressure Transducer Replacement 13587668 Compatible with 2002-2021 Chevy Suburban Tahoe 2003-2020 GMC Sierra Buick Cadillac Pontiac Saturn |
This AC pressure sensor switch is perfect for anyone with a Chevy, GMC, Buick, Cadillac, Pontiac, or Saturn vehicle needing a quick, reliable fix for their air conditioning system. It’s easy to install and restores ice-cold cooling like new. |
|
![]() |
Replacement HVAC Refrigerant Temperature Sensor Connector for 1991-2005 Buick, Cadillac, Oldsmobile, Pontiac, Saturn |
This connector is perfect for car owners who need a reliable replacement for their 1991-2005 Buick, Cadillac, Oldsmobile, Pontiac, or Saturn. It’s easy to install and built to last. |
Detailed Reviews
Discover the top 10 Cadillac HVAC sensors in this expert-curated guide. Each product is thoroughly reviewed for performance, durability, and value, ensuring you find the perfect fit for your vehicle. Whether you prioritize comfort or affordability, this guide will help you make an informed choice and keep your Cadillac’s climate control running smoothly.
1. KUQUTIDY AC Pressure Sensor Switch for Buick Cadillac Pontiac Saturn Chevy GMC Air Compressor, OEM#1551343 HVAC Pressure Transducer Air Conditioning Refrigerant High Pressure Sensor Replacement

The KUQUTIDY AC Pressure Sensor Switch is a reliable replacement for your vehicle’s air conditioning system. It works with many car models, including Buick, Chevy, GMC, and more.
This high-pressure sensor monitors refrigerant levels in your A/C system. It keeps the compressor running smoothly and prevents damage from pressure issues.
Made with durable materials, it’s waterproof and rust-resistant. Installation is quick and easy, matching original specs perfectly.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This A/C pressure sensor switch is perfect for car owners who need a reliable replacement for their Buick, Chevy, GMC, or other compatible vehicles. It’s easy to install and built to last, keeping your air conditioning system running smoothly.
Ready to Purchase?
2. 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

This AC pressure switch sensor is built to replace OEM codes like 1551343 and 13587668. It fits a wide range of vehicles including Buick, Chevrolet, GMC, Cadillac, Pontiac, Saturn, and more. Always check your model before buying to avoid mistakes.
Made with high-quality aluminum and plastic, it is lightweight, rust-proof, and durable. It delivers stable performance and transmits data accurately under all conditions. This means long service life and reliable results every time.
It is a high-pressure switch, not a low-pressure one. Keep connections clean and dry for proper use.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This AC pressure switch sensor is perfect for car owners who need a reliable replacement for their air conditioning system. It’s ideal for Buick, Cadillac, Pontiac, Saturn, Chevrolet, and GMC vehicles, ensuring accurate and safe performance.
Ready to Purchase?
3. SWQS AC Pressure Sensor Switch Replacement for Buick Cadillac Pontiac Saturn Chevrolet GMC HVAC Pressure Transducer OEM#1551343 13587668 Air Conditioning Refrigerant Pressures Sensor

Keep your car’s AC running smoothly with the SWQS AC Pressure Sensor Switch. This high-pressure sensor monitors refrigerant levels, preventing damage and ensuring efficient cooling. It’s a must-have replacement for aging or damaged parts.
Made from durable materials, this sensor is built to last in tough conditions. It fits many popular car models, making it a reliable choice for your vehicle.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This AC pressure sensor switch is perfect for drivers who want their car’s air conditioning system to stay safe, stable, and efficient. It’s ideal for anyone needing a reliable replacement that fits like the original and lasts longer.
Ready to Purchase?
4. ESWW AC High Pressure Sensor Switch Replace OEM# 1551343 13587668 HVAC Pressure Transducer for Buick Cadillac Pontiac Saturn Chevy GMC Replacement Parts Air Conditioning Refrigerant Pressures Sensor

Keep your car’s AC running smoothly with the ESWW AC High Pressure Sensor Switch. It monitors refrigerant pressure, ensuring your compressor works safely and efficiently. This prevents damage and keeps your car cool.
Made from high-quality materials, this sensor is built to last. Its durable design resists extreme conditions, ensuring accurate data transmission and a long lifespan.
Fits many GM vehicles, including Chevy, GMC, Buick, and Cadillac. Easy replacement for your old sensor. Get back to cool comfort quickly!
| Pros | Cons |
|---|---|
|
|
Perfect For:
This ESWW AC High Pressure Sensor Switch is perfect for car owners who need a reliable replacement for their air conditioning system. It’s ideal for Buick, Cadillac, Pontiac, Saturn, Chevy, and GMC vehicles, ensuring stable performance and long-lasting durability.
Ready to Purchase?
5. Dorman 904-627 HVAC Pressure Switch Compatible with Select Cadillac/Chevrolet/GMC Models

The Dorman 904-627 HVAC Pressure Switch is a direct replacement for select Cadillac, Chevrolet, and GMC models. It fixes A/C issues caused by corroded terminals or broken connectors. No special tools are needed for installation.
This switch is quality tested to ensure it fits and works perfectly. Use the garage tool to confirm it matches your vehicle’s make, model, and trim level.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This Dorman 904-627 HVAC Pressure Switch is perfect for car owners who need a quick and easy fix for their A/C system. It’s ideal for those with Cadillac, Chevrolet, or GMC models looking for a direct replacement that’s simple to install and quality tested.
Ready to Purchase?
6. DUNSIHUI Ac High Pressure Sensor Switch 13587668 Compatible with Buick Cadillac Chevrolet GMC Compatible with Suburban Tahoe Sierra Saturn 1551343 HVAC Pressure Transducer Sensor Mt1247

The DUNSIHUI AC High Pressure Sensor Switch is a reliable replacement part for many vehicles. It works with Buick, Cadillac, Chevrolet, GMC, and more. This sensor ensures your AC system runs smoothly.
It comes with a 12-month warranty for peace of mind. Your order may arrive in mixed packaging, but all parts are high-quality Dunsihui products.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This high-pressure sensor switch is perfect for car owners who need a reliable replacement part. It works with many Buick, Cadillac, Chevrolet, GMC, and Saturn models.
Ready to Purchase?
7. OSKYUO Air Conditioning A/C Refrigerant Pressure Switch Sensor & Connector 13587668 Compatible with GM Buick Chevrolet Cadillac GMC Pontiac Hummer Saturn, HVAC Pressure Transducer 1551343

The OSKYUO Air Conditioning A/C Refrigerant Pressure Switch Sensor & Connector is a reliable replacement part for many GM vehicles. It works with Buick, Cadillac, Chevrolet, GMC, Pontiac, Hummer, and Saturn models. This part is tested and made with quality materials for long-lasting performance.
It’s easy to install, with a simple structure that lets you replace old parts quickly. Plus, it comes with a 12-month warranty, so you’re covered if anything goes wrong.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This product is perfect for car owners who need a reliable and affordable replacement for their A/C pressure switch sensor. It’s easy to install and works with many GM vehicles.
Ready to Purchase?
8. AC Pressure Sensor Switch, HVAC Pressure Transducer, Air Conditioning Refrigerant Pressure Sensor, Compatible with Buick/Cadillac/Chevy/Pontiac, Replace 1551343 13587668

The AC Pressure Sensor Switch is a reliable and durable part for your car’s air conditioning system. It is made from high-quality materials like aluminum and plastic, ensuring long-lasting performance.
This sensor is compatible with many car models, including Buick, Cadillac, and Chevy. It monitors refrigerant pressure, keeping your AC running smoothly.
You get one sensor in the package, ready to replace your old one. It’s a direct fit, but always check your car’s details before buying.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This AC Pressure Sensor Switch is perfect for car owners who need a reliable replacement part for their air conditioning system. It’s ideal for Buick, Cadillac, Chevy, and Pontiac vehicles, ensuring smooth AC performance.
Ready to Purchase?
9. Dunviku 1551343 AC Pressure Sensor Switch HVAC Refrigerant Pressure Transducer Replacement 13587668 Compatible with 2002-2021 Chevy Suburban Tahoe 2003-2020 GMC Sierra Buick Cadillac Pontiac Saturn

The Dunviku 1551343 AC Pressure Sensor Switch is a direct replacement for your vehicle’s faulty part. It meets strict OEM specs, ensuring factory-grade performance. This sensor restores your AC system to its original cooling power.
Made from high-grade materials, it resists corrosion and wear. Rigorous testing ensures it works reliably in all temperatures.
It’s easy to install with no programming needed. Just plug it in and enjoy ice-cold air again.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This AC pressure sensor switch is perfect for anyone with a Chevy, GMC, Buick, Cadillac, Pontiac, or Saturn vehicle needing a quick, reliable fix for their air conditioning system. It’s easy to install and restores ice-cold cooling like new.
Ready to Purchase?
10. Replacement HVAC Refrigerant Temperature Sensor Connector for 1991-2005 Buick, Cadillac, Oldsmobile, Pontiac, Saturn

Replace your old HVAC sensor connector with this direct-fit solution. It’s designed for 1991-2005 Buick, Cadillac, Oldsmobile, Pontiac, and Saturn models. The 2-terminal male harness connector ensures a perfect match.
This part meets OE standards for quality and reliability. It’s made with modern tooling and durable materials. Expect better performance than the original.
Easy to install, just like the factory unit. Road-tested for utmost reliability.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This connector is perfect for car owners who need a reliable replacement for their 1991-2005 Buick, Cadillac, Oldsmobile, Pontiac, or Saturn. It’s easy to install and built to last.
Ready to Purchase?
Buying Guide
A good HVAC sensor keeps your Cadillac cool. It protects the compressor from damage. Drivers love how a quality sensor saves money and stress.
-
Compatibility: Always check if the sensor matches your Cadillac model. Wrong fit means wasted money. Right fit ensures smooth cooling.
-
Durability: Look for rust-proof and waterproof materials. Strong build lasts longer. Weak parts fail fast.
-
OEM Standards: Choose sensors that meet OEM codes like 1551343 or 13587668. OEM fit means factory-level performance. No guesswork needed.
-
Ease of Installation: A sensor with a direct-fit design saves time. No special tools required. Quick install gets you back on the road.
-
Accuracy: A good sensor gives stable readings. Accurate data keeps cooling steady. Poor sensors cause uneven performance.
-
Warranty: A 12-month warranty adds peace of mind. It shows the maker trusts their product. Coverage protects your investment.
-
Performance Testing: Pick sensors that are quality tested. Tested parts handle heat and pressure. Untested ones may fail early.
-
Price vs. Value: Cheap sensors often break fast. A mid-range sensor with strong build is smarter. Value matters more than lowest price.
-
Connector Quality: Strong connectors prevent loose fits. Clean connections keep signals clear. Bad connectors cause cooling issues.
-
Brand Reputation: Trusted brands mean reliable parts. Read user reviews before buying. Good feedback shows proven performance.