Description
Product Overview
The ACDelco Fuel Injection Gasket (Part #12634371) is engineered to meet GM original equipment standards, providing an exact replica of the factory component. Constructed from premium Acdelco material, this blue gasket offers superior resistance to heat, chemicals, and pressure, ensuring a reliable seal in the fuel injection system. Dimensions are 4 x 4 x 0.3 inches and it weighs only 0.16 ounces, making it easy to handle and install. Designed for a perfect fit on GM models, it carries the OEM part number 12634371 and is backed by a 4.7‑star rating from over 100 verified customers.
Usage
This gasket is intended for use in the fuel injection system of GM vehicles, replacing the original factory gasket to restore proper sealing and prevent fuel leaks. It is suitable for both professional mechanics and DIY enthusiasts performing routine maintenance or addressing a faulty injector seal. Install the gasket when servicing the fuel rail, injector manifold, or related components to ensure optimal engine performance and fuel efficiency. 
Why Choose Us
Choosing the ACDelco replacement guarantees compliance with GM OE specifications, delivering the same reliability and durability as the original part. Manufactured in the United States, each gasket undergoes strict quality control to meet exact tolerances, reducing the risk of premature failure. Our product benefits from a proven track record, reflected in its high customer rating and strong best‑seller ranking in the automotive replacement gasket category.
Key Features
- GM‑approved OEM replacement ensuring perfect fit and function
- High‑quality Acdelco material provides excellent heat and chemical resistance
- Compact size (4 x 4 x 0.3 in) and lightweight design for easy installation
- Blue color for quick visual identification during service
- U.S. manufacturing with rigorous quality assurance processes
FAQ
Is this gasket compatible with all GM models?
The gasket is designed for GM vehicles that use part number 12634371. Verify your vehicle’s service manual or consult a dealer to confirm compatibility.
Can I install the gasket myself?
Yes, the gasket is straightforward to install with basic hand tools. Follow the vehicle’s service guide for torque specifications and cleaning procedures.
What warranty does ACDelco provide?
ACDelco offers a limited warranty covering manufacturing defects. Refer to the warranty card included with the product for detailed terms.
Why is the gasket blue?
The blue color helps technicians quickly identify the part during disassembly and reassembly, reducing the chance of installing the wrong component.
How does this gasket improve engine performance?
A proper seal prevents fuel leaks and maintains consistent fuel pressure, which supports efficient combustion and helps the engine run smoother while reducing emissions.
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