Fuel Injection Plenum Gasket Set for Upper Intake

Apex AMS11590 is a fuel injection plenum gasket set for upper intake service on select GM trucks and vans. It is built for applications that need a precise seal at the plenum interface, helping maintain intake integrity on compatible Chevrolet Silverado 1500 and GMC Sierra 1500 models.

Key Features

• Fuel injection plenum gasket set for upper intake sealing
• Fits upper position applications only
• Compatible with 2007-2014 Chevrolet Express 1500, upper
• Compatible with 2007-2014 GMC Savana 1500, upper
• Compatible with 2007-2013 Chevrolet Silverado 1500, upper set
• Compatible with 2007-2013 GMC Sierra 1500, upper
• Compatible with 2007 Chevrolet Silverado 1500 Classic, upper
• Compatible with 2007 GMC Sierra 1500 Classic, upper
• Apex part number AMS11590 for catalog and service matching

Detailed Description

This Apex plenum gasket set is intended for upper intake sealing on GM full-size trucks and vans across the 2007-2014 model years listed. Use it when servicing the upper plenum on Chevrolet Express 1500, GMC Savana 1500, Chevrolet Silverado 1500, GMC Sierra 1500, and the 2007 Classic variants where the application calls for Apex AMS11590. The part number AMS11590 is useful for matching the correct gasket set during intake manifold or fuel injection plenum repair work.

Common Repair Uses

• Upper intake vacuum leaks
• Intake sealing issues after plenum service
• Rough idle caused by gasket leakage
• Air leakage at the upper plenum interface
• Service replacement during intake manifold repair

Installation Notes

Verify engine and upper intake configuration before installation. Clean the mating surfaces thoroughly and inspect the plenum and intake components for warpage or damage before reassembly. Confirm fitment by year, make, model, and upper position before ordering or installing AMS11590.