Mahle GS33551 Engine Cylinder Head Bolt Set

Overview of Mahle GS33551 Engine Cylinder Head Bolt Set

The Mahle GS33551 Engine Cylinder Head Bolt Set is engineered for precision and durability, designed specifically for select Audi and Volkswagen models. This set ensures reliable fastening performance for your engine's cylinder head, meeting OEM standards for quality and fitment.

• Compatible with Audi A6 Quattro, A8 Quattro, Allroad Quattro, RS6, S4, S6, S8 and Volkswagen Phaeton, Touareg
• Fastener head style: Triple square for secure torque application
• Constructed from high-strength steel material
• Torque to yield design for consistent clamping force
• Includes 10 bolts per set
• OEM standard grade for reliable engine hardware replacement
• Washers not included

Technical Details and Specifications

The GS33551 cylinder head bolt set from Mahle is manufactured using steel fasteners that conform to OEM standards, ensuring durability and proper engine sealing. The triple square fastener head style allows for precise torque application, reducing the risk of bolt damage during installation or removal. These bolts are torque to yield, meaning they stretch slightly to provide a consistent clamping force, which is critical for maintaining cylinder head integrity under high engine stress. This set contains 10 bolts, suitable for the specified Audi and Volkswagen models.

Compatible Vehicles and Applications

This cylinder head bolt set is compatible with a range of Audi and Volkswagen vehicles, including the Audi A6 Quattro, A8 Quattro, Allroad Quattro, RS6, S4, S6, S8, as well as the Volkswagen Phaeton and Touareg. Using the correct cylinder head bolts like the Mahle GS33551 ensures proper engine assembly and performance in these specific models.

• Replaces worn or damaged cylinder head bolts
• Prevents head gasket leaks caused by improper bolt tension
• Restores correct clamping force after engine rebuilds or repairs
• Addresses engine misfires or compression loss related to bolt failure
• Ensures engine reliability under high-performance conditions

Installation Notes and Tips

When installing the Mahle GS33551 cylinder head bolt set, it is important to follow the vehicle manufacturer’s torque specifications and tightening sequence. Since these bolts are torque to yield, they should not be reused once removed. Use a calibrated torque wrench compatible with triple square fastener heads to achieve accurate torque values. Avoid using washers as they are not included or required with this set.

Quality Assurance and Warranty

Mahle manufactures the GS33551 cylinder head bolt set to meet OEM standards, ensuring consistent quality and fitment. The steel construction and torque to yield design provide reliable performance under demanding engine conditions. While specific warranty details may vary, Mahle products typically come with a limited warranty against manufacturing defects, supporting professional engine repair and maintenance needs.