Apex AMS3970 Fuel Injection Plenum Gasket Set - Upper

Apex AMS3970 Fuel Injection Plenum Gasket Set

The Apex AMS3970 fuel injection plenum gasket set is built for upper intake sealing on select GM vehicles. It supports a precise seal between the plenum and intake surfaces, helping maintain proper air and fuel delivery performance.

Key Features

• Fuel injection plenum gasket set for upper intake sealing
• Fits 2004-2006 Chevrolet Malibu, upper
• Fits 2005-2006 Chevrolet Uplander, upper
• Fits 2005-2006 Pontiac G6, upper
• Fits 2005-2006 Pontiac Montana, upper
• Fits 2005-2006 Saturn Relay, upper
• Fits 2005-2006 Buick Terraza, upper
• Fits 2006-2007 Buick Rendezvous, upper
• Part number AMS3970 for application matching

Detailed Description

Use the Apex AMS3970 when servicing the upper plenum seal on vehicles such as the Chevrolet Malibu, Pontiac G6, and Buick Rendezvous. This gasket set is specified for upper-position applications and is suited to restoring the sealing interface in the fuel injection plenum area. If you are searching for an upper intake plenum gasket for 2004-2006 Chevrolet Malibu or a fuel injection plenum gasket set for 2005-2006 Pontiac Montana, AMS3970 matches the listed fitment.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Upper intake air leaks at the plenum sealing surface
• Vacuum leaks that affect idle quality
• Rough running caused by compromised intake sealing
• Loss of sealing integrity during intake service
• Replacement needs after plenum removal or inspection

Installation Notes and Tips

Clean both mating surfaces before installation and verify the upper plenum is aligned correctly before tightening. Follow the vehicle service procedure for torque sequence and final inspection. Confirm the part number AMS3970 against the vehicle year, make, model, and upper position before assembly.

Quality Assurance

Apex AMS3970 is cataloged for direct fitment on the listed applications and is intended for service work on the upper fuel injection plenum seal. Verify fitment against the vehicle application data before installation.