Apex AHG1199L Engine Cylinder Head Gasket - Left

Engine Cylinder Head Gasket for Left Bank Applications

Apex AHG1199L is an engine cylinder head gasket for left-side applications across select Ford, Lincoln, and Mazda vehicles. It is a direct-fit sealing component for service work on the engine’s cylinder head, where maintaining compression and fluid separation is critical.

Compatible With 2008-2020 vehicle applications including Ford F-150, Ford Edge, Ford Mustang, Ford Transit-150, Ford Transit-250, Ford Transit-350, Ford Transit-350 HD, Lincoln Continental, Lincoln MKS, Lincoln MKX, Lincoln MKZ, Lincoln MKT, and Mazda CX-9 / Mazda 6, left side.

• Engine cylinder head gasket for left-bank service
• Fits 2008-2020 Ford, Lincoln, and Mazda applications listed in the fitment data
• Supports proper sealing between the cylinder head and engine block
• Part number AHG1199L for catalog and service reference
• Designed for vehicles including Ford F-150, Ford Mustang, and Lincoln MKZ

Detailed Fitment and Application

This Apex head gasket is used in engine repair procedures where the cylinder head has been removed for inspection, machining, or replacement. It is specified for left-side applications on the listed Ford, Lincoln, and Mazda models, including the 2011-2014 Ford Edge, 2011-2014 Ford F-150, 2011-2017 Ford Mustang, 2015-2019 Ford Transit-150, 2015-2019 Ford Transit-250, 2015-2019 Ford Transit-350, 2015-2019 Ford Transit-350 HD, 2017-2020 Lincoln Continental, 2009-2016 Lincoln MKS, 2010-2019 Lincoln MKT, 2011-2018 Lincoln MKX, 2013-2016 Lincoln MKZ, 2008-2015 Mazda CX-9, and 2009-2013 Mazda 6. AHG1199L is the part number to verify during ordering and service lookup.

Common Problems It Can Address

• Loss of cylinder compression from a failed head gasket seal
• Coolant or oil leakage at the cylinder head interface
• Overheating caused by sealing failure in the combustion chamber area
• Misfire or rough running related to head gasket damage
• Engine teardown repairs requiring a replacement left-side head gasket

Installation Notes and Tips

Inspect the cylinder head and engine block for warpage, corrosion, and surface damage before installation. Clean all mating surfaces thoroughly and follow the vehicle manufacturer’s torque sequence and torque-angle specifications during reassembly. Replace any components required by the repair procedure and confirm the left-side application before installation. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Quality Assurance

Apex AHG1199L is cataloged as an engine sealing component for the listed applications and should be matched to the vehicle’s engine configuration and bank position before service.