Standard Ignition PG78 Fuel Injection Plenum Gasket

Fuel Injection Plenum Gasket for Mazda MPV

Standard Ignition PG78 is a fuel injection plenum gasket for the intake sealing system on select Mazda MPV models. It is built with a plastic construction and includes the intake manifold gasket needed for the application, helping restore a proper seal at the plenum-to-manifold interface.

Fits 2002-2006 Mazda MPV, N/A. This Standard Ignition PG78 application is listed for the 2002, 2003, 2004, 2005, and 2006 Mazda MPV.

Key Features

• Fuel injection plenum gasket for intake system sealing
• Includes intake manifold gasket
• Plastic material construction
• 4 bolt holes for the listed application
• 3-port design
• Standard Ignition PG78 part number

Detailed Description

Standard Ignition PG78 is a replacement fuel injection plenum gasket designed for the Mazda MPV intake sealing setup. It is specified with a 4.826 thickness measurement and a 3-port layout, and it does not include end seals, grommets, a throttle body gasket, or upper intake manifold gaskets. For buyers searching for a Mazda MPV intake manifold gasket or fuel injection plenum gasket replacement, this part provides the listed sealing components for the correct application.

This part cross-references Continental 50075 for the same application. Standard Ignition PG78 is also referenced by several interchange numbers used in the aftermarket and OE replacement cataloging system.

Common Issues It May Address

• Intake air leaks at the plenum sealing surface
• Vacuum leaks caused by a worn or flattened gasket
• Rough idle related to intake sealing loss
• Driveability concerns from unmetered air entering the intake tract
• Service replacement after intake manifold removal

Installation Notes and Tips

Verify the engine and intake configuration against the vehicle listing before installation. Clean the mating surfaces thoroughly and inspect the plenum and manifold for warpage, corrosion, or debris that could prevent a proper seal. Follow the service manual torque sequence and tightening specifications for the Mazda MPV intake system.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for ignition and engine management service parts. PG78 is cataloged for direct application matching on the listed Mazda MPV model years and is built to meet the dimensional and material requirements shown in the product data.