
Specifications
- Brand
- Cometic Gasket
- Part #
- C4137-045
- UPC
- 191070101008

Cometic Toyota 1UZ-FE .045in MLS Cylinder Head Gasket - 92.5mm Bore - Without VVT-i - LHS
$103.76
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Fits 1990-2000 Lexus LS400. Cometic MLS head gasket for engine rebuilds, ensuring a solid seal.
Key Features
- Fits 1990-2000 Lexus LS400, 1998-2000 Lexus GS400, and 1992-2000 Lexus SC400.
- Cometic Multi-Layer Steel (MLS) head gasket construction offers increased strength and rebound resistance.
- Outer layers are embossed and coated with Viton, a heat-resistant elastomer for a reliable seal.
- Designed for engines without VVT-i, featuring a 92.5mm bore.
- Compressed operating thickness is 0.036 inches, with an advertised thickness of .045 inches.
- Suitable for sealing aluminum heads to aluminum blocks or aluminum heads to cast iron blocks.
⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more
Fits these vehicles
- Lexus GS400 1998-2000
- Lexus LS400 1990-2000
- Lexus SC400 1992-2000
Product Details
If you're rebuilding the top end of your 1990-2000 Lexus LS400, a reliable cylinder head gasket is crucial for a proper seal. This Multi-Layer Steel (MLS) gasket from Cometic is built to handle the demands of the Toyota 1UZ-FE engine.
Cometic's MLS design uses multiple layers of stainless steel for strength and corrosion resistance. The outer layers are coated with Viton, a heat-resistant rubber material that can handle temperatures up to 482°F (250°C) and provides a strong seal against aluminum heads and blocks. The center layer is stainless steel and can be varied to achieve different thicknesses; this particular gasket has a compressed operating thickness of 0.036 inches, with an advertised thickness of .045 inches, and a 92.5mm bore, making it suitable for engines without VVT-i.
This gasket is designed for the left-hand side (LHS) of the engine. Because it's an MLS gasket, it doesn't require any additional sealants, simplifying the installation process when you're putting your engine back together.
Specifications
- Brand
- Cometic Gasket
- Manufacturer Part #
- C4137-045
- UPC
- 191070101008
Frequently Asked Questions
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Cometic Toyota 1UZ-FE .045in MLS Cylinder Head Gasket - 92.5mm Bore - Without VVT-i - LHS


