HomeEngine > Gaskets and Sealing SystemsApex AHG1145L Engine Cylinder Head Gasket - Left
Part #: AHG1145L

Apex AHG1145L Engine Cylinder Head Gasket - Left

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⚙️ 18 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Cadillac, SRX, STS, and XLR
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Reliable Engine Cylinder Head Gasket for Cadillac Vehicles

The Apex AHG1145L engine cylinder head gasket is designed specifically for Cadillac SRX, STS, and XLR models. This gasket ensures a proper seal between the engine block and cylinder head, maintaining engine performance and preventing leaks.

  • Compatible with Cadillac SRX, STS, and XLR models
  • Part number AHG1145L for precise identification
  • Engine cylinder head gasket designed for sealing combustion chambers
  • Manufactured by Apex for consistent quality

Product Details and Specifications

The Apex AHG1145L engine cylinder head gasket is engineered to provide a secure seal between the cylinder head and engine block in Cadillac SRX, STS, and XLR vehicles. This gasket helps maintain compression and prevents coolant or oil from leaking into the combustion chamber. Proper sealing is critical for engine efficiency and longevity. The part number AHG1145L ensures compatibility and easy reference when servicing these Cadillac models.

Applications and Common Issues Addressed

  • Prevents coolant leaks between the cylinder head and engine block
  • Maintains engine compression for optimal performance
  • Reduces risk of engine overheating caused by gasket failure
  • Helps avoid oil contamination in the combustion chamber
  • Addresses head gasket failure symptoms in Cadillac SRX, STS, and XLR

Installation Notes and Tips

When installing the Apex AHG1145L cylinder head gasket, ensure the mating surfaces of the engine block and cylinder head are clean and free of debris. Follow the vehicle manufacturer’s torque specifications for cylinder head bolts to avoid warping or improper sealing. It is recommended to inspect the cylinder head and block for any damage before installation to ensure a proper fit and seal.

Quality Assurance and Warranty

Apex manufactures the AHG1145L gasket to meet industry standards for durability and performance. While specific warranty details are not provided, Apex products typically undergo quality control processes to ensure reliability in Cadillac SRX, STS, and XLR applications.

This part fits 18 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2010CadillacSTS4.6LV8Left
2009CadillacSRX4.6LV8Left
2009CadillacSTS4.6LV8Left
2009CadillacXLR4.6LV8Left
2008CadillacSRX4.6LV8Left
2008CadillacSTS4.6LV8Left
2008CadillacXLR4.6LV8Left
2007CadillacSRX4.6LV8Left
2007CadillacSTS4.6LV8Left
2007CadillacXLR4.6LV8Left
2006CadillacSRX4.6LV8Left
2006CadillacSTS4.6LV8Left
2006CadillacXLR4.6LV8Left
2005CadillacSRX4.6LV8Left
2005CadillacSTS4.6LV8Left
2005CadillacXLR4.6LV8Left
2004CadillacSRX4.6LV8Left
2004CadillacXLR4.6LV8Left

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.