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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ACDelco 13579649 GM Original Equipment Air Conditioning Line O-Ring

ACDelco 13579649 GM Original Equipment Air Conditioning Line O-Ring

Product ID: 726492350

Details

Brand
GM GENUINE
Global Trade Identification Number
Manufacturer
ACDelco
Net Quantity
1.0 Count
UPC
808709319467

🔧GM OE precision fit

🛠️Durable, reliable seal

🇺🇸Made in USA quality

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$43.00

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

❄️ Seal your ride with GM precision and never sweat the small stuff!

PERFECT GM FIT - Engineered to GM OE specs for flawless compatibility
AUTHENTIC QUALITY - GM-recommended replacement part for guaranteed performance
UNMATCHED DURABILITY - Built to last with premium materials ensuring long-term reliability
EFFORTLESS INSTALLATION - No assembly required—get your AC system sealed in minutes
TRUSTED BY PROFESSIONALS - 4.8-star rating from 27+ satisfied customers confirms excellence

The ACDelco 13579649 Air Conditioning Line O-Ring is a GM Genuine Parts replacement designed to meet original equipment specifications. Made in the USA, this durable and reliable seal ensures a perfect fit and long-lasting performance for your GM vehicle’s AC system, backed by high customer satisfaction.

Specifications

ASIN	B014RF7M5O
Assembly Required	No
Brand	GM GENUINE PARTS
Country of Origin	USA
Customer Reviews	4.8 4.8 out of 5 stars (27)
Date First Available	24 April 2016
Global Trade Identification Number	00808709319467
Item Dimensions LxWxH	5.1 x 5.1 x 2.5 Centimeters
Item Weight	4.54 g
Item model number	13579649
Manufacturer	ACDelco
Manufacturer Part Number	13579649
Net Quantity	1.0 Count
Number of Pieces	1
OEM Part Number	13579649
Product Dimensions	5.08 x 5.08 x 2.54 cm; 4.54 g
UPC	808709319467

Reviews

R**B

Exactly as described

29.12.2025

A**N

Fits perfect

9.06.2025

J**L

Exact OEM replacement. Cheaper than a dealership. With the quick shipping from amazon.

23.08.2024

R**.

This is the correct seal for the A/C condenser line (high side) on a 14-18 Chevy Silverado or GMC Sierra.

28.06.2023

P**C

Installed just right

10.12.2016

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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Fantastic experience overall. Will recommend to friends and family.

1 month ago

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