Description
Product Overview
The GM Genuine Parts Conditioning O‑Ring 13579648 is a precision‑engineered rubber seal designed to match the original equipment specifications of General Motors vehicles. Constructed from durable, temperature‑resistant rubber, the O‑Ring fits snugly into the air‑conditioning system to prevent refrigerant leaks and maintain optimal pressure. Its machined exterior ensures a smooth surface for easy installation, while the compact dimensions (1.3 x 1.3 x 0.18 inches) and lightweight design (0.16 ounces) make handling effortless. This single‑piece replacement is manufactured by ACDelco, a trusted name in automotive parts, guaranteeing the same quality and reliability as the factory component.
![[Product front view showing all components]](https://www.riverago.store/wp-content/uploads/2026/06/152d64f50ed543cbabf88ba9f8a60c5f.jpg)
Usage
This O‑Ring is intended for use in the air‑conditioning circuits of GM cars, trucks, and SUVs that originally came equipped with the OEM part number 13579648. Whether you are performing a routine maintenance service, addressing a refrigerant leak, or rebuilding the AC system after a component failure, this seal provides a direct, drop‑in replacement. It is suitable for professional mechanics as well as confident DIY enthusiasts. Install the O‑Ring after evacuating the system, ensuring the mating surfaces are clean and free of debris for a leak‑free seal.
Why Choose Us
Choosing the GM Genuine Parts O‑Ring means you are receiving a component that meets the exacting standards set by General Motors. The part is manufactured to GM OE specifications, guaranteeing proper fit, form, and function. Unlike generic aftermarket alternatives, this seal offers proven durability, resistance to oil and coolant exposure, and consistent performance across a wide temperature range. Backed by ACDelco’s reputation and a robust warranty, you can trust the part to deliver long‑term reliability and maintain your vehicle’s resale value.
Key Features
- Exact OEM fit ensures hassle‑free installation and perfect sealing.
- High‑grade rubber resists wear, oil, and temperature extremes for lasting performance.
- Machined exterior provides a smooth surface that reduces friction during assembly.
- Lightweight and compact design makes handling and storage simple.
- Supported by ACDelco customer service and warranty for peace of mind.
FAQ
Is this O‑Ring compatible with all GM models?
The part number 13579648 is used in many GM vehicles, but you should verify the part number against your vehicle’s service manual or parts catalog to ensure compatibility.
Can I install the O‑Ring myself?
Yes, the O‑Ring is a direct replacement. Ensure the AC system is properly evacuated, clean the mating surfaces, and press the O‑Ring into place according to the service guide.
What temperature range can the rubber seal withstand?
The rubber material is formulated to operate reliably from -40°F to 250°F, covering typical automotive AC system conditions.
Does the product come with a warranty?
Yes, ACDelco provides a limited warranty covering manufacturing defects for the duration specified in the warranty documentation.
How does this O‑Ring differ from generic aftermarket versions?
Our O‑Ring is produced to GM’s original equipment specifications, ensuring exact dimensions, material quality, and performance that generic parts may not match.






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