How does my vehicle’s AC system work?

The AC compressor pressurizes refrigerant gas, which moves to the condenser. The gas releases heat, condensing into a high-pressure liquid. After cooling, the liquid passes over evaporator coils to cool the air as it is blown through the vents.

What are the signs the system needs service?

Common indicators of an air conditioning system in need of service include warm and/or weak airflow through the vents, frequent on/off cycling of the system and a strange or musty odor.

Is the puddle of water under my car a sign of AC problems?

Not necessarily. Condensation typically builds up on the AC evaporator and the water is drained at the bottom of the vehicle. That’s normal, but a larger puddle combined with reduced AC performance could indicate a problem.

Does low refrigerant mean there’s a leak in the system?

In most cases the answer is yes. AC systems in older cars will experience refrigerant leakage over time, but a later-model vehicle that needs continual refrigerant recharging typically indicates a leak.

Can a new cabin air filter improve AC performance?

Yes. A very dirty or clogged cabin air filter can reduce the airflow of the AC system, reducing its cooling efficiency and making the system work harder than normal. Periodic cabin filter replacements help the AC system keep its cool.

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GM Genuine Parts 15-51325 (22989959) Air Conditioning Thermal Expansion Valve Kit with Valve Seals, Valve, Stud, and Bolts

Product ID: 44338307

Details

Brand
GM GENUINE
Exterior Finish
Machined
Inlet Connection Type
National Pipe
Item dimensions L x W x H
5.4 x 4.3 x
Material
Metal
Number of Packs
1

📏Compact 5.4x4.3x5.5 inch size

⚙️Precision-engineered metal valve

🛠️Complete 4-piece installation kit

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Description

❄️ Stay cool with GM Genuine Parts – the smart choice for flawless A/C performance!

OEM GRADE RELIABILITY - Backed by GM’s rigorous standards and 24-month unlimited mile warranty for peace of mind.
COST EFFECTIVE QUALITY - Save money and avoid overpriced local parts with genuine GM components trusted by pros.
OPTIMIZED THERMAL CONTROL - Precision metering valve expertly regulates refrigerant flow for peak A/C performance.
ALL IN ONE INSTALLATION KIT - Includes valve, seals, stud, and bolts for a hassle-free, professional-grade repair.
PERFECT FIT ZERO GUESSWORK - Vehicle-specific design ensures seamless integration with your GM model—no modifications needed.

The GM Genuine Parts 15-51325 Air Conditioning Thermal Expansion Valve Kit is a vehicle-specific, metal expansion valve kit engineered to GM OEM standards. It includes all necessary components—valve, seals, stud, and bolts—for a complete installation. Compact and precision-machined, this kit ensures optimal refrigerant flow control, backed by a 24-month unlimited mile warranty, delivering reliable, cost-effective A/C system repairs for GM vehicles.

Specifications

ASIN	B00S0JKA7Q
Best Sellers Rank	#216,694 in Automotive ( See Top 100 in Automotive ) #71 in Automotive Replacement Expansion Valves & Parts #92 in Automotive Replacement Air Conditioning Valves
Brand Name	GM GENUINE PARTS
Connector Type	Push-in
Customer Reviews	4.4 4.4 out of 5 stars (136)
Exterior Finish	Machined
Global Trade Identification Number	00808709079910
Included Components	Expansion Valve Kit
Inlet Connection Type	National Pipe Tapered
Item Dimensions	5.4 x 4.3 x 5.5 inches
Item Type Name	Expansion Valve Kit
Item Weight	5.12 ounces
Manufacturer	ACDelco
Manufacturer Part Number	22989959
Manufacturer Warranty Description	24 Month / Unlimited Mile Limited Warranty on parts sold on or after 04/01/18. (Parts Only) Please see ACDelco.com for more details.
Material Type	Metal
Model Number	15-51325
Number of Items	1
Number of Packs	1
Number of Pieces	4
Number of Ports	2
Outlet Connection Size	5.5 inches
Outlet Connection Type	NPT
Set Name	Essential Expansion Valve Installation Kit (4 Piece)
Size	5.5 inches
Specification Met	GM OEM Standards
Thread Size	1/4-18 UNC
Thread Type	Single
UPC	808709079910
Unit Count	1 Count
Valve Type	expansion valve

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80279CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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