Apex AHG1358 Engine Cylinder Head Gasket

Engine Cylinder Head Gasket for GM 2.5L Applications

The Apex AHG1358 engine cylinder head gasket is a direct-fit sealing component for select Buick, Chevrolet, GMC, and Cadillac vehicles. It is used to maintain combustion sealing and fluid separation at the cylinder head interface in compatible 2013-2018 applications.

Key Features

• Engine cylinder head gasket for the Apex AHG1358 application
• Fits 2017-2018 Buick Envision
• Fits 2015-2018 Chevrolet Colorado and 2015-2018 GMC Canyon
• Fits 2014-2018 Chevrolet Impala and 2016 Chevrolet Malibu Limited
• Fits 2017-2018 GMC Acadia and 2013-2016 Cadillac ATS
• Fits 2013-2015 Chevrolet Malibu

Detailed Description

Built for specific GM engine applications, the Apex AHG1358 cylinder head gasket supports proper sealing between the cylinder head and engine block. This part number is used in repair work where the original gasket has failed, the head has been removed, or the engine requires resealing after service. For buyers searching for a head gasket for a 2015-2018 Chevrolet Colorado, 2015-2018 GMC Canyon, or 2014-2018 Chevrolet Impala, AHG1358 identifies the correct sealing component for the listed vehicles.

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

What It Is Used For

• Replacing a leaking or damaged cylinder head gasket
• Restoring compression sealing after cylinder head service
• Addressing coolant or oil seepage at the head-to-block joint
• Supporting engine repair after overheating-related teardown
• Completing reseal work on listed Buick, Chevrolet, GMC, and Cadillac models

Installation Notes and Tips

Confirm engine code, cylinder head condition, and gasket surface cleanliness before installation. Follow the vehicle service manual for torque sequence, torque angle, and reassembly steps. Inspect the head and block for warpage or damage before installing the new gasket. Verify fitment by year, make, and model before purchase; AHG1358 is listed for 2017-2018 Buick Envision, 2015-2018 Chevrolet Colorado, 2014-2018 Chevrolet Impala, 2017-2018 GMC Acadia, 2015-2018 GMC Canyon, 2013-2016 Cadillac ATS, 2016 Chevrolet Malibu Limited, and 2013-2015 Chevrolet Malibu.

Quality Assurance

Apex AHG1358 is cataloged as an engine sealing component for the specified GM applications and is intended to meet the fitment requirements of the listed vehicles.