2005-2010 Chevrolet Cobalt / HHR Exhaust Header Gasket
2005–2010 Chevrolet Cobalt / HHR Exhaust Header Gasket
Sealed combustion barrier between your header and cylinder head. This gasket handles the thermal cycling and pressure cycles that wear down stock seals. Engineered to resist blow-by and exhaust leaks at the header flange without breaking down.
Key Features
- Heat-resistant core - Withstands sustained exhaust manifold temps without warping or leaking.
- Precision flange fit - Seats flush at the cylinder head without gaps or misalignment issues.
- Single gasket design - Direct replacement for OEM application on these platforms.
Specs
- Hard panel construction
- Fits 2005–2010 Chevrolet Cobalt and HHR platforms
- Quantity: 1 gasket
Whats Included
- Exhaust header gasket assembly
Frequently Asked Questions
Do I need to remove the header to replace this gasket?
You'll need to unbolt the header from the cylinder head — the gasket sits between those two surfaces. Full removal isn't always necessary, but you'll have better access and a cleaner seal if you do pull it completely.
Will this gasket work with my current header, or do I need a new one?
This gasket works with any header designed for your platform. If your current header is warped or cracked, no gasket will seal it properly — inspect the flange surface first.
Do I need to prep or clean the flange surfaces before installing?
Absolutely. Scrape off all old gasket material and carbon buildup from both the header and cylinder head flanges. A clean, flat surface is what makes this seal work — don't skip this step.
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FAQs
Please read our FAQs page to find out more.
Are OEM products more expensive than aftermarket alternatives?
OEM products might have a higher upfront cost compared to aftermarket parts, but their superior quality and durability often make them a more cost-effective choice over time. Investing in OEM ensures you’re getting parts specifically designed for your vehicle, which can lead to better performance and longevity.
Can I purchase OEM parts online or do I need to visit a dealership?
You don’t need to visit a dealership to get OEM parts. You can conveniently purchase genuine OEM components from authorized distributors and reputable online retailers like Turbo Tech Performance. Our online store provides a wide selection of high-quality parts delivered straight to your door.
Are parts from brands like Mopar, ACDelco, and Motorcraft interchangeable between different vehicle brands?
No, parts from Mopar, ACDelco, and Motorcraft are typically designed for specific vehicle brands. It’s crucial to ensure compatibility with your vehicle’s make and model by checking part numbers and consulting with a knowledgeable expert.
Can I install OEM parts myself, or is it better to have a professional handle it?
While some OEM parts can be installed by DIY enthusiasts, the complexity of installation can vary. For the best results and to ensure proper fitment and performance, we recommend having a trained mechanic install the parts, especially if you’re unfamiliar with automotive repairs.
Do OEM parts come with a warranty?
Yes, many OEM auto parts come with a manufacturer’s warranty that covers defects or issues. Be sure to check the warranty details for each part at the time of purchase, and keep your receipt for any potential warranty claims.