Mahle GS33668 Engine Cylinder Head Bolt Set

Mahle GS33668 Cylinder Head Bolt Set

Mahle GS33668 is an OEM-standard engine cylinder head bolt set built for secure head fastening in select Hyundai and Kia applications. It features torque-to-yield bolt construction and includes washers, making it a direct-fit hardware choice for engine service work on the Hyundai Sonata, Hyundai Santa Fe, Kia Optima, and Kia Magentis.

Key Features

• Engine cylinder head bolt set for OEM-style service replacement
• Torque-to-yield design for controlled clamping during head installation
• OEM Standard item grade for factory-style hardware replacement
• Bolt-style fasteners with washers included
• Additional package contents: none
• Fits 1999-2005 Hyundai Sonata, N/A
• Fits 2001-2006 Hyundai Santa Fe, N/A
• Fits 2001-2006 Kia Magentis, N/A
• Fits 2001-2006 Kia Optima, N/A

Detailed Description

Mahle GS33668 is engineered as an engine cylinder head bolt set for vehicles that require torque-to-yield fasteners during cylinder head service. Mahle supplies sealing and engine hardware products used by OEMs and technicians worldwide, and this set follows that OE-style approach with bolt fasteners, included washers, and OEM Standard construction. This part cross-references FEL-PRO ES 72211 for the same application.

For fitment-focused searches, this part is commonly selected for Hyundai Sonata cylinder head bolt replacement, Hyundai Santa Fe head bolt service, Kia Optima engine repair, and Kia Magentis cylinder head hardware replacement. The Mahle GS33668 part number is also used when matching OE-style engine fasteners for these applications.

What It Helps Address

• Loose or stretched cylinder head bolts during engine rebuilds
• Head gasket service that requires new torque-to-yield hardware
• Loss of proper clamping force after cylinder head removal
• Engine sealing issues tied to reused head bolts
• OE-style replacement needs for Hyundai and Kia engine repair

Installation Notes and Tips

Torque-to-yield bolts require the exact tightening sequence and torque procedure specified by the vehicle manufacturer. Replace cylinder head bolts whenever the head is removed, and verify engine code and application details before installation. Clean mating surfaces, inspect the cylinder head and block for flatness, and follow the service manual for final torque steps.

Quality Assurance

Mahle is known for engine sealing and hardware products used in OEM and professional repair environments. GS33668 is an OEM Standard cylinder head bolt set built for service work where factory-style fastening and washer-equipped hardware are required.