

Specifications
- Brand
- Cometic Gasket
- Part #
- C4137-040
- UPC
- 191070100988

Cometic Toyota 1UZ-FE 92.5mm Bore .040 in MLX Head Gasket - Left
$103.76
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Fits 1990-2000 Lexus LS400. This Cometic MLX head gasket for the left side has a 92.5mm bore and 0.040" compressed thickness, offering strong sealing for high-output engines.
Key Features
- Fits 1990-2000 Lexus LS400, 1998-2000 Lexus GS400, and 1992-2000 Lexus SC400.
- This is the left-side head gasket for the Toyota 1UZ-FE engine.
- Features a 92.5mm bore and a compressed thickness of 0.040 inches.
- Multi-Layer Steel (MLS) construction with multiple stainless steel layers for strength and corrosion resistance.
- Outer layers are embossed and coated with heat-resistant Viton rubber for a reliable seal.
- Designed to seal aluminum heads to aluminum or cast iron blocks effectively.
⚠️ 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
When you're rebuilding the top end of your 1990-2000 Lexus LS400, you need a head gasket that can handle the job. This Cometic MLX head gasket is specifically for the left side of the Toyota 1UZ-FE engine, featuring a 92.5mm bore and a compressed thickness of 0.040 inches. It's built to provide reliable sealing for engines that are pushed a bit harder.
Cometic's Multi-Layer Steel (MLS) design uses multiple layers of stainless steel for increased strength and resistance to corrosion. The outer layers are coated with Viton, a heat-resistant rubber material that can handle tough sealing environments and various surface finishes, ensuring a good seal without needing extra sealants. This construction is well-suited for sealing aluminum heads to either aluminum or cast iron blocks, as it can manage the stresses between different metals.
This gasket is designed for engines without VVT-i. It's a solid option for ensuring a proper seal during engine assembly or repair.
Specifications
- Brand
- Cometic Gasket
- Manufacturer Part #
- C4137-040
- UPC
- 191070100988
Frequently Asked Questions
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Cometic Toyota 1UZ-FE 92.5mm Bore .040 in MLX Head Gasket - Left


