

Specifications
- Brand
- Cometic Gasket
- Part #
- C5717-066
- UPC
- 191070137700

Cometic Cadillac L37/LD8 Northstar V8 .066in MLS Cylinder Head Gasket - 94mm Bore - LHS
$155.70
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Cometic Gasket MLS head gasket for Cadillac L37/LD8 Northstar V8. .066in thickness, 94mm bore, LHS.
Key Features
- Fits Buick Lucerne (2006-2011), Cadillac DeVille (1994-2005), and Pontiac Bonneville (2004-2005), among other vehicles.
- Multi-Layer Steel (MLS) construction offers increased strength and corrosion resistance.
- Outer layers are coated with Viton, a heat-resistant elastomer rated up to 482°F (250°C).
- Designed for high-output engines and seals effectively between aluminum and cast iron blocks.
- Compressed operating thickness is .066 inches with a 94mm bore.
- This is the Left Hand Side (LHS) gasket.
⚠️ 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
Cometic Gasket is known for making well-built sealing components, and this Multi-Layer Steel (MLS) head gasket is a prime example. It's designed for the Cadillac L37 and LD8 Northstar V8 engines, specifically for the left-hand side of the engine. This gasket is built to handle the demands of high-output engines, ensuring a solid seal without needing any extra sealants.
This gasket uses multiple layers of stainless steel, which gives it strength and resistance to corrosion. The outer layers are coated with Viton, a heat-resistant rubber material that can handle temperatures up to 482 degrees Fahrenheit. This makes it suitable for sealing aluminum heads to aluminum blocks or aluminum heads to cast iron blocks, as it can manage the stresses between different metals. The compressed thickness is .066 inches with a 94mm bore, fitting a range of vehicles including the Buick Lucerne, Cadillac DeVille, and Pontiac Bonneville.
Specifications
- Brand
- Cometic Gasket
- Manufacturer Part #
- C5717-066
- UPC
- 191070137700
Frequently Asked Questions
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Cometic Cadillac L37/LD8 Northstar V8 .066in MLS Cylinder Head Gasket - 94mm Bore - LHS


