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Cometic MLS Head Gasket | BMW 3 Series (E36/E46) / Z3 (89-03) (C4349-140)

Cometic MLS Head Gasket | BMW 3 Series (E36/E46) / Z3 (89-03) (C4349-140)

SKU:C4349-140

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Regular price $211.27 USD
Regular price $249.41 USD Sale price $211.27 USD
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The Cometic Gasket BMW 318/Z3 89-98 86mm Bore .140 inch MLS Head Gasket is a high-performance sealing component designed for M42 and M44 engines. Constructed from multiple embossed layers of stainless steel with outer layers coated in Viton rubber, this gasket offers exceptional durability and sealing capabilities. The compressed thickness of 0.140 inches ensures reliable sealing under high-pressure conditions, making it suitable for high-output engines. Its multi-layer steel (MLS) design provides increased strength and resistance to shearing forces, ensuring a secure fit between the cylinder head and engine block. This gasket eliminates the need for sealants, simplifying installation while maintaining maximum sealing performance for demanding applications.

Designed to fit 1989–1998 BMW 318 and Z3 models with 86mm bore, this MLS head gasket is compatible with aluminum heads and blocks, as well as cast iron components. It serves as a direct replacement for stock gaskets, offering an upgrade for performance and reliability. Ideal for street and track use, it withstands the stresses of high-performance driving and engine modifications. Installation involves replacing the existing gasket with this MLS component, ensuring a proper seal for optimal engine operation. The kit includes the head gasket itself, providing a straightforward upgrade for enthusiasts seeking enhanced sealing and durability.

Overview

Cometic Gasket BMW 318/Z3 89-98

Fits 1989–1998 BMW 318 and Z3 with M42/M44 engines

Part #: C4349-140

Overview

The Cometic MLS (Multi-Layer Steel) Head Gasket is a high-performance sealing solution designed specifically for BMW 318 and Z3 models equipped with M42 and M44 engines from 1989 to 1998. Crafted with multiple embossed layers of stainless steel and coated with Viton rubber on the outer layers, this gasket offers exceptional durability and sealing integrity under demanding conditions. It is engineered to withstand the shearing forces created by different materials in the engine assembly, making it an ideal choice for high-output or modified engines. This gasket is suitable for use with both aluminum and cast iron engine components, ensuring a reliable seal for your vehicle's critical head-to-block interface. Whether you're rebuilding or upgrading, this gasket helps maintain optimal compression and prevents leaks, supporting engine longevity and performance.

Key Features

Designed with multiple embossed stainless steel layers for maximum strength and durability, the gasket features a Viton rubber coating on the outer layers for enhanced sealing performance. Its compressed thickness of 0.140 inches ensures a precise fit and reliable seal. The MLS construction eliminates the need for sealants, simplifying installation and reducing the risk of leaks. This gasket is engineered to handle high-pressure environments, making it suitable for both stock and performance applications. Its compatibility with aluminum and cast iron engine blocks ensures versatility across various engine rebuilds and modifications.

Construction & Design

The gasket's multilayer stainless steel construction provides excellent structural integrity and resistance to deformation under high temperatures and pressures. The Viton rubber coating enhances sealing capabilities and protects against oil and coolant leaks, ensuring long-term reliability. The precise embossing and compression thickness are engineered for optimal fitment and sealing performance, supporting the engine's overall health and efficiency.

Installation & Fitment

This head gasket is designed for straightforward installation on compatible BMW 318 and Z3 models with M42 and M44 engines from 1989 to 1998. Proper surface preparation and torque procedures are recommended to achieve the best sealing results. It is a direct replacement for OEM gaskets, ensuring a seamless fit and reliable performance.

What’s Included

The package includes one MLS head gasket designed specifically for the BMW 318 and Z3 with M42/M44 engines, providing a durable and reliable seal for your engine rebuild or upgrade.
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