DJ Rock IV469 Engine Intake Valve

Engine Intake Valve for Mazda 3, CX-7, and 6

The DJ Rock IV469 engine intake valve is a direct-fit replacement built for precise airflow control in the combustion chamber. With a nitride-coated finish, 35 mm valve head diameter, 5.95 mm stem diameter, and 103.4 mm overall length, it is specified for select Mazda applications that require accurate valvetrain dimensions.

Compatible with 2007-2013 Mazda 3, 2007-2012 Mazda CX-7, and 2006-2007 Mazda 6 intake valve applications, this part is engineered for consistent sealing and dependable operation in the valvetrain. The IV469 part number is also a useful reference when matching the correct intake valve for these vehicles.

Key Features

• Nitride-coated intake valve for improved surface durability
• 35 mm valve head diameter
• 5.95 mm stem diameter
• 103.4 mm overall length
• 1 lock groove design
• Premium grade type
• Direct-fit replacement for select Mazda engines

Detailed Description

The DJ Rock IV469 is an engine intake valve designed to open at the correct camshaft interval and allow the air-fuel mixture into the combustion chamber. Its nitride-coated surface helps reduce friction and improve wear resistance, while the heat-resistant valve construction supports stable operation under high thermal load. The IV469 is built to OEM-quality standards and is application-specific for the listed Mazda fitments, making it a practical choice for intake valve service on the Mazda 3, Mazda CX-7, and Mazda 6.

This part cross-references common intake valve applications where the same dimensions and engine requirements are used, including DNJ IV469 for the same application.

Common Problems This Part Can Address

• Worn or pitted intake valve sealing surfaces
• Loss of compression from a damaged intake valve
• Rough idle caused by valvetrain wear
• Reduced engine breathing from a sticking valve
• Valve replacement during cylinder head service

Installation Notes and Tips

Verify valve head diameter, stem diameter, overall length, and lock groove count before installation. This intake valve is intended for the listed Mazda applications only, so confirm engine code and cylinder head specifications against the vehicle service information. Professional cylinder head service, including inspection of guides and seals, is recommended during installation.

Quality Assurance

DJ Rock lists this intake valve as a premium, direct-fit replacement manufactured to meet or exceed OEM quality standards. The nitride-coated construction is selected to support wear resistance, corrosion protection, and heat management in demanding engine environments.