2001-2005 Lexus IS300 Aluminum Exhaust Header Gasket

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2001–2005 Lexus IS300 Aluminum Exhaust Header Gasket

Aluminum construction header gasket engineered for the IS300's exhaust manifold seal. Resists heat cycling and corrosion better than stock gasket material. Direct fit for OEM header removal and reinstallation.

✓ Aluminum Construction ✓ Ships from FL Warehouse ✓ Direct-from-Warehouse
Key Features
  • Aluminum core - Handles repeated heat stress without warping or deteriorating like composite gaskets
  • OEM-pattern design - Bolts to factory mounting points without modification
  • Single gasket - One piece covers the header-to-manifold interface
Specs
  • Material: Aluminum
  • Configuration: Single header gasket
  • Condition: New
What's Included
  • Exhaust header gasket (1x)
Frequently Asked Questions

Do I need new bolts to install this gasket?

Your existing header bolts will work, but check them for corrosion or damage before reinstalling. If they're heavily rusted or stripped, grab fresh fasteners while you have the header off.

Should I clean the header and manifold surfaces before installation?

Yes. Wire brush or scrape both mating surfaces to remove old gasket material and carbon buildup. A clean seat ensures the new gasket seals properly and prevents exhaust leaks.

Can I reuse the old header bolts if they look okay?

Inspect them closely — exhaust bolts see high heat and vibration. If threads are intact and bolts aren't corroded, they're reusable. When you torque them back down, tighten evenly in a cross pattern to avoid warping the gasket.