Dorman 264-778 Engine Valve Cover - Right

Engine Valve Cover for Right-Side Applications

Dorman 264-778 is a direct replacement engine valve cover for specific right-side applications on Infiniti and Nissan V6 engines. Built from plastic with a painted black finish, it is shaped to match the original cover’s fit and function for DOHC cylinder heads.

For 2004-2007 Infiniti QX56 and Nissan Armada, Titan, and Pathfinder Armada applications, this Dorman 264-778 valve cover is made to address damaged or warped original covers while maintaining proper engine sealing and heat resistance.

Key Features

• Direct replacement engine valve cover for the right side
• Plastic construction with painted black finish
• Specific fit for DOHC cylinder head applications
• Engineered for fit, function, and heat resistance
• Standard replacement grade for repair work
• Compatible with select Infiniti QX56, Nissan Armada, Nissan Titan, and Nissan Pathfinder Armada models

Detailed Description

This Dorman engine valve cover, part number 264-778, is built to match the original equipment design on select 2004-2007 Infiniti and Nissan vehicles. It is a specific-fit replacement for the right side and is intended for DOHC engine configurations. The plastic housing and painted finish support a clean installation appearance while providing the material characteristics needed for engine bay heat exposure. This part cross-references Autotecnica NI1418699 for the same application.

What It Helps Fix

• Oil leaks caused by a warped or damaged valve cover
• Cracked plastic valve cover housing
• Poor sealing at the cylinder head
• Heat-related deterioration of the original cover
• Fitment issues from a worn OE-style replacement

Installation Notes and Tips

Verify right-side fitment before installation and confirm the engine uses a DOHC cylinder head layout. Inspect the mating surface, gasket area, and surrounding components for wear or contamination before replacing the cover. Dorman 264-778 is a specific-fit part, so matching the vehicle year, make, model, and position is important for proper installation.

Quality Assurance

Dorman states that this replacement valve cover has been tested extensively for fit and function. It is manufactured from quality materials to support proper fitment and heat resistance in standard replacement service.