HomeEngine > Gaskets and Sealing SystemsApex AHG551 Engine Cylinder Head Gasket
Part #: AHG551

Apex AHG551 Engine Cylinder Head Gasket

10 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Nissan, Altima and Sentra
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Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Engine Cylinder Head Gasket for Nissan Altima and Sentra

The Apex AHG551 engine cylinder head gasket is designed specifically for Nissan Altima and Sentra models. This gasket ensures a proper seal between the engine block and cylinder head, maintaining engine performance and preventing leaks.

  • Compatible with Nissan Altima and Sentra vehicles
  • Part number AHG551 for precise identification
  • Engine cylinder head gasket designed for effective sealing
  • Manufactured by Apex, a recognized brand in engine components

Durable Engine Cylinder Head Gasket for Nissan Vehicles

The Apex AHG551 gasket is engineered to withstand the high temperatures and pressures within the engine. It provides a tight seal that prevents coolant, oil, and combustion gases from leaking between the cylinder head and engine block. This gasket is essential for maintaining engine integrity and preventing damage caused by leaks or loss of compression. Designed for Nissan Altima and Sentra models, the AHG551 gasket meets OEM specifications to ensure proper fit and function.

Applications and Common Issues Addressed

  • Prevents coolant leaks between the cylinder head and engine block
  • Stops oil leaks that can cause engine damage
  • Maintains engine compression for optimal performance
  • Helps avoid engine overheating due to gasket failure
  • Reduces risk of engine misfires related to sealing issues

Installation Notes and Tips

When installing the Apex AHG551 cylinder head gasket, ensure the mating surfaces are clean and free of debris. Follow the vehicle manufacturer’s torque specifications for cylinder head bolts to avoid warping or gasket damage. It is recommended to inspect the cylinder head and engine block for any signs of damage before installation. Proper installation will help maintain the gasket’s sealing capabilities and engine performance.

Quality Assurance and Warranty Information

Apex manufactures the AHG551 cylinder head gasket to meet industry standards for durability and reliability. While specific warranty details are not provided, Apex products typically adhere to quality control processes to ensure consistent performance. Using the correct part number AHG551 guarantees compatibility with Nissan Altima and Sentra models, supporting long-term engine health.

This part fits 10 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2006NissanAltima2.5LL4N/A
2006NissanSentra2.5LL4N/A
2005NissanAltima2.5LL4N/A
2005NissanSentra2.5LL4N/A
2004NissanAltima2.5LL4N/A
2004NissanSentra2.5LL4N/A
2003NissanAltima2.5LL4N/A
2003NissanSentra2.5LL4N/A
2002NissanAltima2.5LL4N/A
2002NissanSentra2.5LL4N/A

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