Cometic C4481-040 MLS Head Gasket for 06-13 Mazda 2.3L MZR

Vehicle Fitment

• 2006-2013 Mazda 3 / Mazdaspeed 3 (2.3L MZR L3-VDT)
• 2006-2008 Mazda 6 Mazdaspeed (2.3L MZR L3-VDT)
• 2007-2012 Mazda CX-7 (2.3L MZR L3-VDT)

Features

• Multi-Layer Steel (MLS) construction for high-performance sealing
• Three-layer stainless steel design for strength and durability
• Viton (FKM) rubber coating on outer layers for heat and chemical resistance
• Embossed outer layers for even load distribution
• No sealant or re-torque required after installation
• Reduces bore distortion under high clamp loads
• Compressed operating thickness of 0.040 in (1.02 mm)
• 89 mm bore size suitable for 2.3L MZR DISI engines

Specifications

• Part Number: C4481-040
• Material: Multi-Layer Stainless Steel (MLS)
• Bore Diameter: 89.00 mm
• Compressed Thickness: 0.040 in (1.02 mm)
• Number of Layers: 3
• Coating: Viton rubber on outer layers
• Orientation: Symmetrical / no left/right distinction

Included Components

• 1x Head Gasket (Cometic C4481-040)

Product Description

The Cometic C4481-040 is a high-performance MLS head gasket designed for Mazda's 2.3L MZR L3-VDT turbo engines. With a compressed thickness of 0.040 in, it delivers a precise and reliable seal for Mazda 3, Mazda 6 Mazdaspeed, and CX-7 applications.

Its three-layer stainless steel construction and embossed outer sheets ensure even load distribution and reduced bore distortion. Viton-coated outer layers provide excellent heat and chemical resistance, making this gasket ideal for high-performance or turbocharged setups.

Installation is simplified as this gasket does not require sealant or re-torque. It is perfect for engine rebuilds, performance upgrades, or any application where maximum sealing reliability is required.