HomeEngine > Hardware, Fasteners and FittingsApex AHB370 Engine Cylinder Head Bolt Set
Part #: AHB370

Apex AHB370 Engine Cylinder Head Bolt Set

⚙️ 35 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick, Cadillac, and Pontiac, Bonneville, DeVille, DTS, Lucerne, Seville, SRX, STS, and XLR
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Reliable Engine Cylinder Head Bolt Set for Buick, Cadillac, Pontiac

The Apex AHB370 Engine Cylinder Head Bolt Set is designed to provide secure fastening for cylinder heads in select Buick, Cadillac, and Pontiac models. Engineered to meet OEM specifications, this bolt set ensures proper clamping force and durability for your vehicle's engine.

  • Compatible with Buick Bonneville, Cadillac DeVille, DTS, Lucerne, Seville, SRX, STS, and XLR models
  • Durable construction to maintain engine integrity under high stress
  • Meets or exceeds OEM standards for fit and performance
  • Part number AHB370 for precise identification and replacement

Product Details and Specifications

The Apex AHB370 cylinder head bolt set is specifically designed for use in the cylinder head assembly of various Buick, Cadillac, and Pontiac vehicles. These bolts are critical for maintaining the seal between the cylinder head and engine block, preventing leaks and ensuring optimal engine performance. Manufactured with high-grade materials, the bolts resist stretching and corrosion, which helps maintain consistent torque and engine reliability over time.

Compatible Vehicles and Applications

  • Buick Bonneville cylinder head bolt replacement
  • Cadillac DeVille and DTS engine hardware upgrade
  • Lucerne, Seville, SRX, STS, and XLR cylinder head bolt compatibility

Installation Notes and Tips

  • Follow manufacturer torque specifications when installing the AHB370 bolt set
  • Use a calibrated torque wrench to ensure proper clamping force
  • Inspect cylinder head and block surfaces for damage before installation
  • Replace bolts in sets to maintain uniform tension and avoid engine damage

Quality Assurance and Warranty

Apex provides this cylinder head bolt set with quality assurance to meet industry standards. While specific warranty details are not provided, Apex products are manufactured to deliver consistent performance and durability in demanding engine applications.

This part fits 35 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2011BuickLucerne4.6LV8N/A
2011CadillacDTS4.6LV8N/A
2010BuickLucerne4.6LV8N/A
2010CadillacDTS4.6LV8N/A
2010CadillacSTS4.6LV8N/A
2009BuickLucerne4.6LV8N/A
2009CadillacDTS4.6LV8N/A
2009CadillacSRX4.6LV8N/A
2009CadillacSTS4.6LV8N/A
2009CadillacXLR4.6LV8N/A
2008BuickLucerne4.6LV8N/A
2008CadillacDTS4.6LV8N/A
2008CadillacSRX4.6LV8N/A
2008CadillacSTS4.6LV8N/A
2008CadillacXLR4.6LV8N/A
2007BuickLucerne4.6LV8N/A
2007CadillacDTS4.6LV8N/A
2007CadillacSRX4.6LV8N/A
2007CadillacSTS4.6LV8N/A
2007CadillacXLR4.6LV8N/A
2006BuickLucerne4.6LV8N/A
2006CadillacDTS4.6LV8N/A
2006CadillacSRX4.6LV8N/A
2006CadillacSTS4.6LV8N/A
2006CadillacXLR4.6LV8N/A
2005CadillacDeVille4.6LV8N/A
2005CadillacSRX4.6LV8N/A
2005CadillacSTS4.6LV8N/A
2005CadillacXLR4.6LV8N/A
2005PontiacBonneville4.6LV8N/A
2004CadillacDeVille4.6LV8N/A
2004CadillacSeville4.6LV8N/A
2004CadillacSRX4.6LV8N/A
2004CadillacXLR4.6LV8N/A
2004PontiacBonneville4.6LV8N/A

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