Cometic 12+ Subaru FA20 89.5mm .042 inch MLX LHS Head Gasket

The Cometic 12+ Subaru FA20 89.5mm .042 inch MLX LHS Head Gasket is intended for the verified vehicle applications listed below. Match manufacturer part number C4588-042, exact engine family, bore, thickness, material, sealing surfaces, fasteners, and every product note before ordering.

Key Features

• The Cometic MLS gasket is comprised of three to five layers of stainless steel.
• Cometic uses stainless steel for increased strength, its ability to rebound and resist corrosion.
• The outer layers of the gasket are embossed and coated on both sides with a Viton rubber material designed to meet the demands of a variety of harsh sealing environments, load conditions and surface finishes.
• The Viton coating is heat resistant to 250C or 482F.

Fitment

Specifications

What’s Included

One new Cometic gasket product in the exact configuration and quantity identified by manufacturer part number C4588-042. Fasteners, sealants, fluids, companion gaskets, tools, and related engine components are included only when expressly stated for this exact part number.

About Cometic Gasket

Cometic develops sealing products for automotive and powersports engine applications. Correct selection remains exact-engine, exact-dimension, exact-material, exact-interface, and exact-part-number specific.

Related Cometic Gasket Products

• Cometic 12+ Subaru FA20 DOHC 89.5mm .042 inch MLX LHS Head Gasket
• Cometic Subaru FA20/FB25 89.5mm .032inch LHS MLX Head Gasket
• Cometic Subaru FA20/FB25 89.5mm .032inch RHS MLX Head Gasket

Browse the Cometic Gasket collection for related head, intake, exhaust, valve-cover, and engine gasket products.

Frequently Asked Questions

Will this Cometic gasket fit my 2016-2019 Honda Civic EX?
That application is listed, but confirm the exact engine, bore, gasket thickness, material, sealing-surface requirements, and manufacturer part number before ordering.

Can I choose gasket thickness by vehicle alone?
No. Confirm the exact engine build, bore, deck and head condition, installed clearances, compression target, and manufacturer instructions before selecting thickness.

Do the sealing surfaces need preparation?
Yes. Follow the current Cometic and engine-builder requirements for surface finish, flatness, cleanliness, fasteners, torque procedure, and any specified sealant.

Installation Instructions

Follow the current Cometic and engine-manufacturer instructions for this exact part number. Verify surface finish, flatness, cleanliness, orientation, fasteners, torque sequence, torque values, sealant requirements, clearances, and fluid procedures before assembly. Inspect and test the completed repair before full-load operation.