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.

Gm Genuine Parts 15 81931 84178783 Heating And Air Conditioning

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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₱11126

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Sold byAmazon PhilippinesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔥 Upgrade your ride’s climate control with GM precision ⚙️

PERFECT FIT FORM - Manufactured to exact GM OE standards guaranteeing seamless integration with your vehicle.
NO PROGRAMMING NEEDED - Straightforward plug-and-play design saves time and hassle—get back on the road faster.
DURABILITY YOU CAN TRUST - Built to GM OE specifications for long-lasting, dependable operation under all conditions.
PRECISION HVAC MODULATION - Microprocessor-controlled blower speed ensures optimal cabin comfort every drive.
GM RECOMMENDED RELIABILITY - Engineered to match your vehicle’s original factory component for flawless performance.

The GM Genuine Parts 15-81931 Blower Control Module is a direct-fit, GM OE-spec replacement designed to precisely regulate your vehicle’s HVAC blower speed. Featuring microprocessor control and plug-and-play installation, it delivers reliable, durable performance without the need for programming—ensuring your cabin stays comfortable with effortless ease.

Specifications

ASIN	B0792NR4DF
Best Sellers Rank	#649,863 in Automotive ( See Top 100 in Automotive ) #1,429 in Automotive Blower Motors
Brand	GM GENUINE PARTS
Customer Reviews	4.6 4.6 out of 5 stars (152)
Date First Available	January 16, 2018
Item Weight	5.6 ounces
Item model number	15-81931
Manufacturer	ACDelco
Manufacturer Part Number	84178783
OEM Part Number	84178783
Product Dimensions	7 x 7 x 7 inches

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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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₱11126

Duties & taxes included

In stock

Sold byAmazon PhilippinesDelivered 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 Philippines.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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GM Genuine Parts 15-81931 (84178783) Heating and Air Conditioning Blower Control Module

Description

Specifications

Common Questions