Apex AMS11642 Exhaust Manifold Gasket Set

Apex Exhaust Manifold Gasket Set for GM and Saab Applications

The Apex AMS11642 exhaust manifold gasket set is built for specific GM and Saab vehicles that need a reliable seal between the exhaust manifold and cylinder head. It is a direct-fit exhaust sealing solution for service work on models such as the Cadillac CTS, Cadillac SRX, Cadillac STS, Buick LaCrosse, Buick Rendezvous, Saab 9-3, Saab 9-4X, and Saab 9-5.

Key Features

• Exhaust manifold gasket set for exhaust sealing service
• Fits 2004-2009 Cadillac CTS and 2004-2008 Cadillac SRX
• Fits 2005-2008 Cadillac STS and 2005-2008 Buick LaCrosse
• Fits 2004-2006 Buick Rendezvous and 2006-2009 Saab 9-3
• Fits 2010-2011 Cadillac SRX, 2011 Saab 9-4X, and 2010-2011 Saab 9-5
• Part number AMS11642 for catalog and service matching

Detailed Description

Use Apex AMS11642 when replacing a leaking or damaged exhaust manifold gasket on supported Cadillac and Saab platforms. This gasket set helps restore the seal at the exhaust manifold connection, which is critical for maintaining proper exhaust flow and reducing leakage at the cylinder head interface. It is a fitment-based replacement for vehicles including the Cadillac CTS, Cadillac SRX, Cadillac STS, Buick LaCrosse, Buick Rendezvous, Saab 9-3, Saab 9-4X, and Saab 9-5. If you are searching for an exhaust manifold gasket set for 2004-2009 Cadillac CTS or a gasket replacement for 2010-2011 Saab 9-5, AMS11642 is the matching part number to verify.

What This Part Helps Address

• Exhaust leaks at the manifold-to-cylinder-head sealing surface
• Noise caused by a failing exhaust manifold gasket
• Loss of sealing after manifold service or repair
• Visible soot or exhaust residue around the manifold area
• Check engine concerns related to exhaust leakage

Installation Notes and Tips

Confirm engine application by year, make, and model before installation. Inspect the exhaust manifold and cylinder head sealing surfaces for warpage, corrosion, or carbon buildup before fitting the new gasket. Clean all mating surfaces thoroughly and follow the vehicle service manual for torque sequence and tightening specifications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Quality Assurance

Apex replacement parts are cataloged for application-specific service use. Verify AMS11642 against the vehicle fitment list before purchase to ensure correct application for your Cadillac or Saab exhaust repair.