Mahle GS33380 Engine Cylinder Head Bolt Set

Mahle GS33380 Cylinder Head Bolt Set

Mahle GS33380 is an OEM-standard engine cylinder head bolt set built with steel fasteners and a hex head style for secure cylinder head retention. Mahle gaskets and sealing components are trusted by OEMs and technicians worldwide, and this hardware follows that same service-focused approach for engine repair work.

Key Features

• Engine cylinder head bolt set for cylinder head service and rebuild applications
• OEM Standard item grade for factory-style fit and function
• Steel fastener material for dependable clamping strength
• Hex head style for straightforward tool engagement during service
• Washer-free design; washers are not required
• Additional package contents: none

Application Details

Compatible with a wide range of GM and Hummer applications, including 1997-2003 Chevrolet Corvette, 1998-2002 Chevrolet Camaro, 1998-2002 Pontiac Firebird, 2000-2003 Chevrolet Tahoe, and 2003-2007 Hummer H2. This Mahle GS33380 cylinder head bolt set also covers select Cadillac, GMC, Buick, and Chevrolet truck and SUV platforms from 1997 through 2007. This part cross-references FEL-PRO ES 72173 for the same application.

What This Part Helps Address

• Loose or stretched cylinder head bolts during engine teardown and rebuild
• Loss of proper head clamping force after head gasket service
• Need for replacement hardware when original bolts are removed or no longer serviceable
• Engine sealing concerns tied to worn fasteners in high-mileage repairs
• Repeat cylinder head service on GM V8 and related engine platforms

Installation Notes and Tips

Verify engine code and vehicle fitment before installation, since this part covers multiple engine types across the listed Chevrolet, GMC, Cadillac, Pontiac, Buick, and Hummer models. Follow the factory tightening sequence and torque specifications for the specific engine being serviced. Inspect the cylinder head, block surface, and gasket condition before final assembly.

Quality Assurance

Mahle manufactures this set to OEM-standard expectations for engine sealing and hardware service. The GS33380 part number is a direct reference for ordering and fitment verification on the listed applications.