






90-96 Nissan 300ZX Non Turbo Exhaust Header Gasket
90–96 Nissan 300ZX Non-Turbo Exhaust Header Gasket
Sealing gasket engineered for the non-turbo 300ZX exhaust header interface. This is the wear item that prevents exhaust leaks where the header meets the engine block. Replace it when you're pulling your header or if you're experiencing exhaust gas seeping at the header joint.
Key Features
- Gasket replacement part - Stops header leaks at the manifold flange, critical for emissions and engine performance.
- Non-turbo 300ZX spec - Engineered for the naturally aspirated engine configuration.
- Factory interface match - Sized and shaped for OEM header flange mounting points.
Specs
- Gasket assembly for non-turbocharged application
- Single unit
What's Included
- Exhaust header gasket
Frequently Asked Questions
Do I need to clean the header and block surfaces before installing the new gasket?
Yes. Remove old gasket material and carbon buildup from both the header flange and engine block mounting surface with a scraper or wire brush. A clean, flat surface gives you a proper seal and prevents exhaust leaks.
What bolts or studs do I need to secure this gasket?
The mounting hardware is not included with this gasket. Your 300ZX uses factory studs and nuts at the header flange — you'll use the OEM fasteners already in place. Have them ready and tighten in a star pattern to prevent warping.
Can I reuse the old gasket or does it have to be replaced?
Replace it. Exhaust gaskets compress and lose their seal over time, especially if you've had the header off before. A fresh gasket ensures no leaks and proper exhaust flow — it's cheap insurance against rough idle and emissions issues.
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90-96 Nissan 300ZX Non Turbo 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.


