1974-1982 Toyota Corolla 3T-C Engine Exhaust Header Gasket
1974-1982 Toyota Corolla 3T-C Engine Exhaust Header Gasket
Direct-fit gasket engineered to seal the 3T-C header to cylinder head without leaks or blowby. This is the wear item that fails first on vintage Corollas—combustion gases escape around failed OEM gaskets, killing performance and creating exhaust smell in the cabin. Replacement restores a tight seal.
Key Features
- Direct application to 3T-C header flange - No modification or adapters needed; bolts straight to factory mounting points
- Handles stock and mild performance exhaust - Rated for OEM power levels and modest intake/carb upgrades
- Single gasket, ready to install - One piece; no additional hardware or components required
Specs
- Application: 3T-C engine exhaust header gasket
- Condition: New
- Piece count: 1
Whats Included
- 1x Exhaust header gasket
Frequently Asked Questions
Do I need to clean or prep the header and cylinder head surfaces before installing this gasket?
Yes. Scrape away old gasket material and carbon with a gasket scraper or brass brush until both surfaces are clean and flat. Wipe with a clean rag—no oil or debris. A clean seat makes the seal work.
What torque spec should I use when bolting the header back on?
Refer to your vehicle's service manual for the correct torque sequence and spec. Uneven or over-tightening can crush the gasket or crack the header flange. Tighten in a star pattern in two passes.
Can I reuse my old header, or does it need to be replaced too?
The header itself rarely fails—it's the gasket that wears out. Inspect the header flange for cracks, warping, or deep pitting. If the sealing surface is flat and undamaged, reuse it. If cracked or severely corroded, source a replacement header.
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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.