Apex AHB389 Engine Cylinder Head Bolt Set

Engine Cylinder Head Bolt Set for GM V8 Applications

The Apex AHB389 engine cylinder head bolt set is a direct-fit hardware solution for a wide range of 2004-2009 GM vehicles. It is used during cylinder head service where accurate clamping and proper fastener replacement are required.

Key Features

• Engine cylinder head bolt set for GM applications
• Fits 2004-2009 Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, and Saab models listed below
• Supports cylinder head reassembly after head gasket or top-end engine service
• Part number AHB389 for ordering and catalog lookup
• Compatible with multiple 2004-2009 Chevrolet Silverado, Tahoe, Trailblazer, and GMC Sierra applications

Detailed Description

Apex AHB389 is an engine cylinder head bolt set for a broad range of GM trucks, SUVs, vans, and performance cars. It is cataloged for 2004-2009 Buick LaCrosse, Cadillac CTS and Escalade, Chevrolet Silverado and Tahoe, GMC Sierra and Yukon, Hummer H2 and H3, Saab 9-7x, and other listed applications. Use AHB389 when servicing the cylinder head on vehicles that require replacement head bolts during engine repair.

This part cross-references no listed alternate part numbers in the provided data. For fitment searches, use phrases such as cylinder head bolt set for 2005-2009 Chevrolet Silverado 1500, engine head bolts for 2005-2009 GMC Sierra 1500, or head bolt set for 2005-2008 Hummer H2.

What It Is Used For

• Replacing cylinder head bolts during head gasket service
• Restoring proper fastener clamping after cylinder head removal
• Repairing top-end engine leaks that require head service
• Supporting rebuild work on GM truck, SUV, van, and car engines

Installation Notes and Tips

Confirm engine code and exact model year before ordering, since this part covers multiple GM platforms and 2nd Design applications. Clean threaded holes thoroughly, follow the factory tightening sequence, and use the torque procedure specified for the engine being serviced. Verify that the vehicle matches the listed year, make, and model before installation.

Quality Assurance

Apex identifies this part as AHB389 for accurate catalog matching across the listed GM applications.