Apex AHG1356 Engine Cylinder Head Gasket

Engine Cylinder Head Gasket Overview

The Apex AHG1356 engine cylinder head gasket is a direct-fit sealing component for GM V8 applications that require a precise head-to-block seal. It is listed for a wide range of Chevrolet, Cadillac, and GMC models, including Silverado 1500, Sierra 1500, Escalade, and Yukon.

Key Features

• Engine cylinder head gasket for sealing the combustion chamber and coolant and oil passages.
• Compatible with multiple GM platforms, including Chevrolet Camaro, Corvette, Tahoe, and Suburban.
• Direct application coverage for 2014-2020 model years across listed vehicles.
• Apex part number AHG1356 for catalog and service reference.

Detailed Description

The AHG1356 is an Apex cylinder head gasket built for engine service where the original head gasket must be replaced to restore sealing integrity. It is cataloged for Fits 2014-2020 Chevrolet Silverado 1500, N/A; Fits 2014-2019 Chevrolet Corvette, N/A; Fits 2014-2019 GMC Sierra 1500, N/A; Fits 2015-2020 Cadillac Escalade, N/A; Fits 2015-2020 Cadillac Escalade ESV, N/A; Fits 2015-2020 GMC Yukon, N/A; Fits 2015-2020 GMC Yukon XL, N/A; Fits 2016-2020 Chevrolet Camaro, N/A; Fits 2018-2020 Chevrolet Tahoe, N/A; and Fits 2019-2020 Chevrolet Suburban, N/A. Use AHG1356 when servicing GM engines that need a replacement head gasket matched to the listed applications.

Common Issues This Part May Address

• Loss of compression from a failed cylinder head seal.
• Coolant leakage between the head and engine block.
• Oil seepage at the cylinder head interface.
• Combustion gas leakage caused by gasket failure.

Installation Notes and Tips

Confirm engine code, gasket style, and all listed fitment details before installation. Inspect the cylinder head and block sealing surfaces for warpage, corrosion, or residue, and replace related seals and fluids as required during engine repair. Follow the vehicle service manual for torque sequence and tightening specifications.

Quality Assurance

Fitment is cataloged for specific Chevrolet, Cadillac, and GMC applications, and the AHG1356 part number should be matched to the exact engine service requirement before assembly.