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Item #:
223045
GM Genuine Parts 15-50156 (89040362) Air Conditioning Clutch Cycling Switch
Item #:
223045
TMT 198
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ACDelco GM Original Equipment A/C Clutch Cycle Switches are component sensors that monitor the evaporator temperature and pressure.
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What Stands Out
Genuine Quality
Designed by General Motors, this switch ensures optimal performance and compatibility with your vehicle's air conditioning system, guaranteeing reliability and longevity over aftermarket alternatives.
Enhanced Functionality
The 15-50156 model effectively maintains refrigerant flow, preventing system damage and improving AC efficiency, tackling common cooling issues faced by vehicle owners.
Easy Installation
This cycling switch is engineered for straightforward installation, saving you time and labor costs by allowing vehicle owners and mechanics to replace it effortlessly.
Product Details
- Monitors evaporator temperature and pressure
- Controls compressor clutch field coil operation
- Ensures proper A/C compressor clutch function
- Manufactured to fit GM vehicle specifications
- Provides quality, reliability, and durability of GM OE
- GM-recommended replacement part for original component
| Operation Mode | ON-OFF |
| Current Rating | 20 Amps |
| Operating Voltage | 5 Volts |
| Contact Type | Normally Open |
| Connector Type | Plug In |
| Switch Type | Pressure Switch, Temperature Switch |
| Terminal | Screw |
| Circuit Type | 1-way |
| Mounting Type | PCB Mount |
| Number of Positions | 1 |
| Control Method | App |
| Connectivity Protocol | X-10 |
| Compatible with Vehicle Type | GM vehicles |
| Control Type | ON-OFF |
| Compatible Devices | GM vehicles |
| Smart Home Compatibility | Not Smart Home Compatible |
| Item Dimensions | 2.6 x 1.5 x 1.1 inches (6.6 x 3.8 x 2.8 cm) |
| Unit Count | 1.0 Count |
| Number of Items | 1 |
| Material Type | Metal |
| Contact Material | Metal |
| International Protection Rating | IP54 |
| Specification Met | Oe |
| Brand Name | GM GENUINE PARTS |
| Model | 15-50156 |
| Manufacturer | ACDelco |
| UPC | 021625820798 |
| Part Number | 15-50156 |
| Item Type Name | ACDelco - Switcha/C Cyclin (Slp) (15-50156) |
| Included Components | ACDelco - Switcha/C Cyclin (Slp) (15-50156) |
| Item Weight | 27.22 g |
| Brand | GM GENUINE PARTS |
| Material | Metal |
| Item dimensions L x W x H | 2.6 x 1.5 x 1.1 inches (6.6 x 3.8 x 2.8 cm) |
Who Should Buy?
-
GM Vehicle Owners
Ideal for owners of General Motors vehicles needing reliable air conditioning part replacement to maintain optimal performance.
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DIY Mechanics
Perfect for DIY enthusiasts who wish to perform their own vehicle repairs with quality parts for high reliability.
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Climate Control Technicians
Recommended for technicians specializing in automotive HVAC systems who require dependable parts for accurate installations.
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Non-GM Vehicle Users
Not suitable for vehicles outside the GM range, as compatibility and performance may not meet expectations.
Product Description
GM Genuine Parts 15-50156 (89040362) Air Conditioning Clutch Cycling Switch
About This Item
Introducing the GM Genuine Parts 15-50156 Air Conditioning Clutch Cycling Switch, the perfect solution for ensuring optimal performance and reliability of your vehicle's air conditioning system. Designed as a component sensor, this ACDelco GM Original Equipment A/C Clutch Cycle Switch is engineered to monitor the evaporator temperature and pressure, allowing for precise control of the compressor clutch field coil. When the pressure and temperature reach low levels, the switch automatically turns off the compressor, preventing any potential damage to the system.
As a GM-recommended replacement for your vehicle's original component, this A/C clutch cycle switch guarantees a seamless fit and restores your system to its factory specifications. Crafted with uncompromising quality, durability, and lasting service life, you can trust GM Genuine Parts to deliver the unmatched performance you expect from General Motors. With a wide range of applications, GM Genuine Parts is renowned for its comprehensive selection of high-quality automotive components.
From air conditioning to brake pads, starter motors to oil filters, and everything in between, GM Genuine Parts has you covered. Don't settle for anything less than the best when it comes to maintaining the performance and reliability of your vehicle's air conditioning system. Trust the GM Genuine Parts 15-50156 Air Conditioning Clutch Cycling Switch to deliver exceptional performance and keep you cool on the road.
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is the function of the GM Genuine Parts 15-50156 Air Conditioning Clutch Cycling Switch?
Answer: The GM Genuine Parts 15-50156 Air Conditioning Clutch Cycling Switch is essential for regulating your vehicle's air conditioning system. It controls the engagement and disengagement of the AC compressor by sensing the pressure within the system. This ensures the AC operates efficiently, preventing overcooling or system damage. If your AC is cycling on and off irregularly, this switch may be the culprit; replacing it can restore proper function, ensuring a comfortable climate inside your vehicle during hot days. -
Question:
How do I know if I need to replace the Air Conditioning Clutch Cycling Switch?
Answer: Common signs indicating a faulty air conditioning clutch cycling switch include inconsistent cooling, the AC system not turning on, or strange noises when the AC engages. If you notice fluctuating temperatures or the compressor running continuously, it’s time to assess the switch. Moreover, conducting a pressure check in the AC system can pinpoint whether the switch is malfunctioning, thereby preventing costly repairs down the line due to further AC system issues. -
Question:
Is the GM Genuine Parts 15-50156 compatible with all GM vehicles?
Answer: The GM Genuine Parts 15-50156 is designed to fit a range of GM vehicles, but compatibility can vary based on your specific model. It's essential to check your vehicle’s manual or consult a professional to confirm its suitability before purchasing. Using the correct part ensures optimal performance, enhances the AC system’s lifespan, and prevents potential fitting issues, allowing your vehicle to perform seamlessly under various climate conditions. -
Question:
Can I install the GM Genuine Parts 15-50156 myself?
Answer: While it's possible for someone with basic mechanical skills to replace the air conditioning clutch cycling switch, it does require some knowledge about vehicle AC systems. The process typically involves locating the switch, disconnecting electrical connectors, and removing the old switch. However, if you're not confident in your abilities, seeking professional assistance is advisable. A proper installation ensures the AC system works effectively, maintaining comfort in your vehicle. -
Question:
What should I check when installing the GM Genuine Parts 15-50156?
Answer: When installing the GM Genuine Parts 15-50156, first ensure you've disconnected the vehicle's battery to prevent electrical shocks. Verify that you have the necessary tools for a smooth installation, like wrenches and pliers. Additionally, checking the overall integrity of your AC system and other components before installation can prevent future issues. Addressing any leaks or problems simultaneously can help maintain the efficiency of your entire air conditioning system. -
Question:
How does the cycling switch affect fuel efficiency?
Answer: The cycling switch plays a crucial role in your vehicle's fuel efficiency by managing the operation of the AC compressor. A malfunctioning switch can lead to the compressor staying on longer than needed, which can increase engine load and, consequently, fuel consumption. By ensuring the cycling switch functions properly, you can optimize your AC's performance and help maintain better fuel economy, especially during summer months when AC usage is high. -
Question:
What can cause the cycling switch to fail?
Answer: Several factors can lead to the failure of the air conditioning clutch cycling switch, including electrical issues, excessive heat, or exposure to moisture. Over time, wear and tear on the switch's components can affect its operation, while refrigerant leaks can alter pressure levels, causing the switch to malfunction. Regular maintenance can help avoid these issues, ensuring your AC system remains reliable and functions at its best. -
Question:
How do I test if the cycling switch is working properly?
Answer: To test the air conditioning clutch cycling switch, start with a visual inspection for any damage or loose connections. Next, use a multimeter to measure resistance; an operational switch should show continuity when engaged. Alternatively, you can also observe the AC system’s behavior when the car is running; if the compressor engages and disengages correctly based on pressure levels, the switch is functioning as intended. This diagnostic approach helps identify any underlying issues before they escalate. -
Question:
Where can I buy the General Motors GM Genuine Parts 15-50156 Air Conditioning Clutch Cycling Switch?
Answer: You can purchase the General Motors GM Genuine Parts 15-50156 Air Conditioning Clutch Cycling Switch from Ubuy. Ubuy offers a wide selection of automotive parts, including genuine GM parts, along with user-friendly navigation to help you find the right component for your vehicle efficiently. Their platform provides reliable service and product quality, ensuring that you receive a part that meets manufacturer specifications.
GM GENUINE PARTS Clutch Cycle Editorial Review
The GM Genuine Parts 15-50156 Air Conditioning Clutch Cycling Switch is a high-quality OEM part that is easy to install. It comes with an O-ring and has been effective in fixing AC compressor issues for many customers. However, some customers have reported that it did not solve their AC problems. Overall, it is a reliable option for replacing old and faulty switches.
Customer Reviews & Ratings
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Pros
- Easy to install
- Comes with O-ring
- Fixed AC compressor issues for many customers
- Good quality OEM part
Cons
- Did not solve AC problems for some customers
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
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TMT 198
Order now and get it around Tuesday, September 08
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Features & Benefits
- GM-recommended replacement for vehicle's original component
- Manufactured to fit GM vehicle
- Provides same performance, durability and service life as General Motors
- Monitors evaporator temperature and pressure
- Turns compressor clutch field coil off and on
- Switches off compressor when pressure and temperature are too low
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