HomeEngine > Gaskets and Sealing SystemsApex AHG366 Engine Cylinder Head Gasket
Part #: AHG366

Apex AHG366 Engine Cylinder Head Gasket

63 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Buick, Chevrolet, Oldsmobile, and Pontiac, Alero, Aztek, Equinox, Grand Am, Impala, Lumina APV, Montana, Monte Carlo, Rendezvous, Silhouette, Torrent, and Trans Sport
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Reliable Engine Cylinder Head Gasket for Select GM Vehicles

The Apex AHG366 engine cylinder head gasket is designed to provide a dependable seal for various Buick, Chevrolet, Oldsmobile, and Pontiac models. Engineered to maintain optimal compression and prevent leaks, this gasket supports the performance and longevity of your vehicle's engine.

  • Compatible with Buick Alero, Chevrolet Impala, Monte Carlo, and more
  • Ensures a secure seal between the engine block and cylinder head
  • Manufactured to meet OEM specifications for reliable fit and function
  • Part number AHG366 for precise identification and replacement
  • Suitable for multiple GM models including Chevrolet Equinox and Pontiac Grand Am

Durable Construction for Engine Sealing

The Apex AHG366 engine cylinder head gasket is crafted to withstand the high temperatures and pressures within the combustion chamber. This gasket helps prevent coolant and oil leaks while maintaining proper compression, which is critical for engine efficiency and performance. Designed specifically for compatibility with a range of GM vehicles such as the Buick Alero and Pontiac Torrent, it ensures a proper fit and reliable operation.

Compatible Vehicle Applications

  • Buick Alero, Rendezvous, Silhouette
  • Chevrolet Aztek, Equinox, Impala, Lumina APV, Montana, Monte Carlo, Torrent
  • Oldsmobile Silhouette
  • Pontiac Grand Am, Montana, Torrent, Trans Sport

Common Engine Issues Addressed

  • Prevents head gasket leaks causing coolant or oil mixing
  • Maintains engine compression to avoid misfires and power loss
  • Reduces risk of engine overheating due to sealing failure
  • Helps avoid exhaust gas leaks that can damage engine components

Installation Notes and Tips

Ensure the engine block and cylinder head surfaces are clean and free of debris before installation. Follow manufacturer torque specifications when tightening bolts to avoid warping the cylinder head. It is recommended to inspect the cylinder head for cracks or damage prior to gasket replacement to ensure proper sealing.

Quality Assurance and Warranty

The Apex AHG366 cylinder head gasket is manufactured to meet industry standards for durability and performance. While specific warranty details are not provided, Apex products typically adhere to quality control processes to ensure reliable operation when installed correctly.

This part fits 63 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2009ChevroletEquinox3.4LV6N/A
2009PontiacTorrent3.4LV6N/A
2008ChevroletEquinox3.4LV6N/A
2008PontiacTorrent3.4LV6N/A
2007ChevroletEquinox3.4LV6N/A
2007PontiacTorrent3.4LV6N/A
2006ChevroletEquinox3.4LV6N/A
2006PontiacTorrent3.4LV6N/A
2005BuickRendezvous3.4LV6N/A
2005ChevroletEquinox3.4LV6N/A
2005ChevroletImpala3.4LV6N/A
2005ChevroletMonte Carlo3.4LV6N/A
2005PontiacAztek3.4LV6N/A
2005PontiacGrand Am3.4LV6N/A
2005PontiacMontana3.4LV6N/A
2004BuickRendezvous3.4LV6N/A
2004ChevroletImpala3.4LV6N/A
2004ChevroletMonte Carlo3.4LV6N/A
2004OldsmobileAlero3.4LV6N/A
2004OldsmobileSilhouette3.4LV6N/A
2004PontiacAztek3.4LV6N/A
2004PontiacGrand Am3.4LV6N/A
2004PontiacMontana3.4LV6N/A
2003BuickRendezvous3.4LV6N/A
2003ChevroletImpala3.4LV6N/A
2003ChevroletMonte Carlo3.4LV6N/A
2003OldsmobileAlero3.4LV6N/A
2003OldsmobileSilhouette3.4LV6N/A
2003PontiacAztek3.4LV6N/A
2003PontiacGrand Am3.4LV6N/A
2003PontiacMontana3.4LV6N/A
2002BuickRendezvous3.4LV6N/A
2002ChevroletImpala3.4LV6N/A
2002ChevroletMonte Carlo3.4LV6N/A
2002OldsmobileAlero3.4LV6N/A
2002OldsmobileSilhouette3.4LV6N/A
2002PontiacAztek3.4LV6N/A
2002PontiacGrand Am3.4LV6N/A
2002PontiacMontana3.4LV6N/A
2001ChevroletImpala3.4LV6N/A
2001ChevroletMonte Carlo3.4LV6N/A
2001OldsmobileAlero3.4LV6N/A
2001OldsmobileSilhouette3.4LV6N/A
2001PontiacAztek3.4LV6N/A
2001PontiacGrand Am3.4LV6N/A
2001PontiacMontana3.4LV6N/A
2000ChevroletImpala3.4LV6N/A
2000ChevroletMonte Carlo3.4LV6N/A
2000OldsmobileAlero3.4LV6N/A
2000OldsmobileSilhouette3.4LV6N/A
2000PontiacGrand Am3.4LV6N/A
2000PontiacMontana3.4LV6N/A
1999OldsmobileAlero3.4LV6N/A
1999OldsmobileSilhouette3.4LV6N/A
1999PontiacGrand Am3.4LV6N/A
1999PontiacMontana3.4LV6N/A
1998OldsmobileSilhouette3.4LV6N/A
1998PontiacTrans Sport3.4LV6N/A
1997OldsmobileSilhouette3.4LV6N/A
1997PontiacTrans Sport3.4LV6N/A
1996ChevroletLumina APV3.4LV6N/A
1996OldsmobileSilhouette3.4LV6N/A
1996PontiacTrans Sport3.4LV6N/A

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