
91-01 Nissan 200SX/Sentra/Infiniti G20 Aluminum Exhaust Header Gasket
91-01 Nissan 200SX/Sentra/Infiniti G20 Aluminum Exhaust Header Gasket
Aluminum construction seals the gap between your header and cylinder head without compromising flow. This gasket handles thermal cycling and exhaust pressure with minimal degradation. Perfect for stock or modified exhaust setups where reliability matters.
Key Features
- Aluminum core - Resists warping under sustained heat better than composite alternatives
- Optimized port shape - Matches factory header dimensions with no flow obstruction
- Single gasket unit - One-piece design simplifies installation and eliminates stacking variability
Specs
- Material: Aluminum
- Configuration: Single gasket, factory port profile
- Condition: New
What's Included
- Exhaust header gasket
Frequently Asked Questions
Do I need gasket sealer or anti-seize with this gasket?
Aluminum gaskets don't require sealer — the metal-to-metal seal is the design. Light anti-seize on the bolt threads keeps fasteners from galling during reinstall, but it's optional if you're not planning to remove the header again soon.
Will this fit a stock header or do I need a performance header?
This gasket is designed around factory port dimensions. It works with OEM headers or any aftermarket header that mirrors the original bolt pattern and port layout — verify your header's port spacing before ordering.
What's the return process if the gasket arrives damaged?
Inspect the gasket when it arrives. If it's warped, cracked, or visibly defective, contact ModSupply with photos and we'll ship a replacement — no questions asked.
Ships within 1-2 business days.
100% Genuine Parts
Fitment Guaranteed

91-01 Nissan 200SX/Sentra/Infiniti G20 Aluminum Exhaust Header Gasket
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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.


