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 12560345 Air Conditioning Drive Belt Tensioner with Mount Bolts

GM Genuine Parts 12560345 Air Conditioning Drive Belt Tensioner with Mount Bolts

Product ID: 1250618

Details

Belt Style
Serpentine or
Brand
GM GENUINE
Color
Black
Compatible Devices
Car
Item Weight
0.93 Pounds

🔇Eliminates noisy tensioner pulley

🔧Includes mount bolts for easy install

⚙️Precision GM OE fit

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VT28754

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Description

⚙️ Upgrade your ride with GM precision – silence the noise, feel the power!

BUILT TO LAST - Engineered for durability and reliability, backed by a 24-month unlimited mile warranty.
QUIET DRIVE GUARANTEED - Say goodbye to annoying belt noise with a tensioner designed to eliminate pulley squeals.
EFFORTLESS INSTALLATION - Comes with mount bolts and fits perfectly for a hassle-free upgrade.
SEAMLESS OEM REPLACEMENT - Restores your GM vehicle’s original factory performance with exact GM OE specifications.
TRUSTED BY PROS ENTHUSIASTS - Preferred by mechanics and DIYers worldwide for consistent, high-quality performance.

The GM Genuine Parts 12560345 Air Conditioning Drive Belt Tensioner is a direct OEM replacement designed to restore your GM vehicle’s accessory drive belt system. Manufactured to exact GM specifications, it ensures perfect fit, form, and function while eliminating noisy tensioner pulley sounds. Included mount bolts simplify installation, and the part is backed by a 24-month unlimited mile warranty, making it a reliable choice for both professional mechanics and DIY enthusiasts.

Specifications

ASIN	B007Q13BZ2
Belt Style	Serpentine or V-ribbed
Best Sellers Rank	#1,109,330 in Automotive ( See Top 100 in Automotive ) #2,084 in Automotive Replacement Belt Tensioners
Brand Name	GM GENUINE PARTS
Color	Black
Compatible Devices	Car
Customer Reviews	4.8 4.8 out of 5 stars (73)
Global Trade Identification Number	00707773947401
Included Components	Funnel
Item Type Name	Drive Belt Tensioner
Item Weight	0.93 Pounds
Manufacturer	ACDelco
Part Number	12560345
Style Number	12560345
UPC	707773947401
Unit Count	1.0 Count
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.

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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VT28754

Duties & taxes included

In stock

Sold byAmazon VanuatuDelivered 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 Vanuatu.

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TrustScore 4.5 | 7,300+ reviews

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