Description
Product Overview
The GM GENUINE PARTS EGR Valve Gasket is engineered to meet original equipment standards for emission control systems. Crafted from lightweight aluminum, this round gasket (12677819) offers a perfect seal, preventing exhaust gas leaks and maintaining engine efficiency. Dimensions of 4.4 x 3.7 x 0.2 inches and a weight of just 0.8 ounces make it easy to handle and install.
Usage
Designed for a wide range of passenger cars and light trucks, this gasket fits directly into the EGR valve housing, restoring proper function after wear or failure. Ideal for professional workshops and DIY repairs, it ensures compliance with emission regulations and supports smooth engine operation in daily driving and performance scenarios.

Why Choose Us
GM GENUINE PARTS guarantees OEM quality, backed by ACDelco manufacturing standards. Each gasket undergoes rigorous testing for durability and fit, providing confidence in long‑term reliability. Our product ships from Mexico with secure packaging to protect the component during transit.
Key Features
- Exact OEM fit for seamless installation
- Round aluminum construction for lightweight durability
- Leak‑free performance to maintain emission compliance
- Compact size (4.4″ x 3.7″ x 0.2″) for easy handling
- Trusted GM GENUINE PARTS brand backed by ACDelco quality
FAQ
Is this gasket compatible with all GM vehicles?
The gasket matches the OEM part number 12677819, fitting any GM model that uses this specification. Verify your vehicle’s service manual for exact compatibility.
Can I install the gasket myself?
Yes, the gasket is designed for straightforward replacement. Remove the old gasket, clean the sealing surface, and press the new gasket into place before reassembling the EGR valve.
What material is the gasket made from?
It is constructed from high‑grade aluminum, offering a balance of strength, heat resistance, and lightweight handling.
Does this part come with a warranty?
GM GENUINE PARTS provides a limited warranty against manufacturing defects, ensuring you receive a reliable component.
How does this gasket affect emissions?
A proper seal prevents exhaust gases from bypassing the EGR system, helping your vehicle meet emission standards and run more efficiently.




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