Mahle GS33221 Engine Cylinder Head Bolt Set

Reliable Cylinder Head Bolt Set for Ford and Mazda Vehicles

The Mahle GS33221 Engine Cylinder Head Bolt Set is engineered to meet OEM standards, providing a precise fit for select Ford and Mazda models. Designed with durability and exact specifications in mind, this bolt set ensures secure fastening of the cylinder head for optimal engine performance.

• Set includes 8 steel bolts with Torx 55 head style
• Bolt diameter: M12 with a 1.75 mm pitch
• Maximum bolt length of 87 mm
• OEM standard grade for reliable fit and function
• Washers not required for installation

Durable Steel Bolts with Torx 55 Head Style

Each bolt in the Mahle GS33221 set is crafted from high-quality steel, providing strength and resistance to engine stresses. The Torx 55 head style allows for secure torque application, reducing the risk of stripping during installation or removal. With a bolt diameter of M12 and a pitch of 1.75 mm, these bolts are designed to match factory specifications precisely, ensuring proper clamping force and engine sealing.

Compatible Ford and Mazda Models

This cylinder head bolt set is compatible with a range of Ford and Mazda vehicles, including the Ford Aerostar, B4000, Bronco II, Explorer, Ranger, and the Mazda Navajo. Using the correct cylinder head bolts like the Mahle GS33221 helps maintain engine integrity and prevents common issues related to improper fastening.

Common Applications and Problem Solving

• Secures cylinder head to engine block to prevent leaks
• Replaces worn or damaged bolts during engine rebuilds
• Prevents head gasket failure caused by uneven bolt tension
• Ensures proper torque retention under high engine temperatures
• Addresses bolt stretching or corrosion issues in older vehicles

Installation Notes and Tips

When installing the Mahle GS33221 cylinder head bolt set, ensure bolts are torqued to manufacturer specifications using a calibrated torque wrench. The Torx 55 head requires the appropriate driver bit to avoid damage. Since washers are not required, verify the cylinder head surface is clean and free of debris before installation. Follow the recommended bolt tightening sequence for your specific Ford or Mazda model to ensure even clamping force.

Quality Assurance and Warranty

Mahle manufactures the GS33221 cylinder head bolt set to meet OEM standards, ensuring consistent quality and fitment. Each bolt undergoes rigorous material and dimensional inspections. While specific warranty details may vary, Mahle products typically come with a limited warranty against manufacturing defects, providing confidence in durability and performance.