Mahle 5826 Engine Cylinder Head Gasket

Mahle 5826 Cylinder Head Gasket for Nissan and Infiniti

The Mahle 5826 engine cylinder head gasket is an OEM-standard sealing solution for select Nissan, Infiniti, and Mercury applications. Built with composite and graphite sealing materials, it is specified for engines that need accurate combustion sealing and dependable coolant and oil separation.

Key Features

• Engine cylinder head gasket for select 1987-1998 applications
• Composite construction with graphite cylinder head gasket material
• 0.05 in. (1.27 mm) thickness for proper sealing stack-up
• 3.50 in. (88.90 mm) cylinder bore diameter
• OEM Standard item grade for service replacement use
• No gasket sealant included

Detailed Description

Mahle 5826 is an engine cylinder head gasket engineered for direct replacement use on a range of Nissan and Infiniti vehicles, including the Nissan Pathfinder, Maxima, D21, 300ZX, 200SX, Quest, Pickup, and INFINITI M30, plus Mercury Villager applications. Mahle gaskets are used by OEMs and technicians worldwide for sealing performance, and this gasket follows that service-focused approach with a composite body and graphite sealing surface. The part number 5826 is also referenced in cross applications such as FEL-PRO 9571 PT.

Use this Mahle 5826 head gasket when servicing engines that require a 3.50 in. bore and 0.05 in. thickness. For 1987 Nissan and 1988-1998 Nissan and Infiniti applications, the fitment notes call for graphite cylinder head bolts or cylinder head bolt replacement in certain builds, so confirm the engine hardware condition before assembly. Fits 1988-1995 Nissan Pathfinder, N/A; Fits 1988-1994 Nissan Maxima, N/A; Fits 1993-1998 Nissan Quest, N/A; and Fits 1993-1998 Mercury Villager, N/A.

What It Helps Address

• Combustion gas leakage at the cylinder head interface
• Coolant seepage between the head and engine block
• Engine oil leakage caused by a failed head gasket seal
• Compression loss that affects idle quality and power delivery
• Repeat repairs caused by worn or heat-damaged sealing surfaces

Installation Notes and Tips

• Inspect the cylinder head and block surfaces for warpage, corrosion, and residue before installation.
• Follow the fitment notes for graphite cylinder head bolts or cylinder head bolt replacement where specified.
• Do not apply gasket sealant unless the engine service procedure specifically calls for it; sealant is not included.
• Verify bore size, thickness, and engine code before assembly to ensure the gasket matches the application.
• Use the correct torque sequence and tightening specification for the engine being serviced.

Quality Assurance

Mahle manufactures sealing products for OEM and professional service use, and this gasket is built to OEM Standard requirements. The Mahle 5826 part number is intended for accurate fitment and dependable sealing in the listed Nissan, Infiniti, and Mercury applications.