

Specifications
- Brand
- Cometic Gasket
- Part #
- C5721-098
- UPC
- 191070036171

Cometic Buick 3800 Series II/III V6 .098in MLS Cylinder Head Gasket - 3.840in Bore - RHS
$155.92
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Cometic Buick 3800 Series II/III V6 .098in MLS Head Gasket. Features Viton coating for superior sealing on high-output engines.
Key Features
- Fits 1996-2003 Buick LeSabre, 1996-2003 Buick Park Avenue, 1996-2004 Buick Regal, and many other Buick, Chevrolet, Oldsmobile, and Pontiac models.
- Multi-Layer Steel (MLS) construction offers increased strength and rebound resistance.
- Outer layers are embossed and coated with Viton, a heat-resistant elastomer rated up to 482°F (250°C).
- Compressed operating thickness is 0.098 inches.
- Bore size is 3.840 inches.
- Designed for high-output engines and suitable for aluminum heads to aluminum or 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
Product Details
This Cometic Multi-Layer Steel (MLS) head gasket is built with multiple layers of stainless steel, featuring an embossed outer layer coated with Viton, a heat-resistant elastomer. With a compressed operating thickness of 0.098 inches and a bore size of 3.840 inches, this right-side gasket is engineered for the demands of high-output Buick 3800 Series II and III V6 engines.
MLS gaskets are known for their strength and ability to rebound, resisting corrosion and handling the shearing forces between aluminum and cast iron blocks. The Viton coating on the outer layers is designed to perform in harsh sealing environments and can withstand temperatures up to 482°F (250°C), making it suitable for both aluminum-to-aluminum and aluminum-to-cast iron head and block combinations. This gasket requires no additional sealants, simplifying installation.
This gasket fits a wide range of vehicles, including models like the Buick LeSabre, Pontiac Grand Prix, and Chevrolet Camaro from the mid-90s through the early 2000s. It's a solid option when rebuilding or repairing the top end of your engine.
Specifications
- Brand
- Cometic Gasket
- Manufacturer Part #
- C5721-098
- UPC
- 191070036171
Frequently Asked Questions
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Cometic Buick 3800 Series II/III V6 .098in MLS Cylinder Head Gasket - 3.840in Bore - RHS


