Apex AHB370 Engine Cylinder Head Bolt Set

Apex AHB370 Cylinder Head Bolt Set

The Apex AHB370 is an engine cylinder head bolt set for specific GM applications. It is a direct-fit hardware solution for service work on the Buick Lucerne, Cadillac DTS, Cadillac STS, Cadillac SRX, Cadillac XLR, Cadillac DeVille, Pontiac Bonneville, and Cadillac Seville across the listed model years.

Key Features

• Engine cylinder head bolt set for hardware replacement during cylinder head service
• Compatible with 2004-2011 Buick Lucerne, Cadillac DTS, Cadillac STS, Cadillac SRX, Cadillac XLR, Cadillac DeVille, Pontiac Bonneville, and Cadillac Seville applications
• Part number AHB370 for accurate ordering and catalog lookup
• Fits the listed vehicles by year and model only; position is N/A for this application

Detailed Description

Apex AHB370 is an engine cylinder head bolt set used in cylinder head repair and reassembly on select GM vehicles. This part number, AHB370, is cataloged for 2004-2011 Buick Lucerne, 2006-2011 Cadillac DTS, 2005-2010 Cadillac STS, 2004-2009 Cadillac SRX, 2004-2009 Cadillac XLR, 2004-2005 Cadillac DeVille, 2004-2005 Pontiac Bonneville, and 2004 Cadillac Seville. If you are searching for a cylinder head bolt set for a Cadillac DTS or Buick Lucerne engine repair, this listing matches the confirmed fitment shown here.

What It Is Used For

• Replacing cylinder head bolts during engine teardown and reassembly
• Restoring proper fastener service after head gasket repair
• Addressing damaged, stretched, or corroded head bolts
• Supporting engine repair work on GM V6/V8 applications listed in fitment

Installation Notes and Tips

Verify engine code and vehicle application before installation. Follow the factory service procedure for bolt sequence, torque stages, and any angle-tightening steps specified by the vehicle manufacturer. Clean threaded holes and mating surfaces before assembly, and confirm the cylinder head and block are within service limits. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Quality Assurance

Apex catalogs this part as AHB370 for the listed GM fitments. Confirm the vehicle year and model against the fitment data before purchase to ensure correct application.