Febi 8E0-407-643 A Drive Axle Shoulder Bolt M16x1.5x72

The Febi 8E0-407-643 A is a high-quality drive axle shoulder bolt designed to secure the drive axle assembly to the wheel hub and bearing. This precision-engineered fastener is manufactured by Febi Bilstein (part number 31324) and serves as a direct replacement for OEM part number 8E0-407-643 A used in Audi, Volkswagen, and Porsche vehicles.

Key Specifications:

• Thread Size: M16 x 1.5 mm
• Overall Length: 86 mm (3.39 inches)
• Length Under Head: 72 mm (2.83 inches)
• Thread Length: 58.5 mm (2.30 inches)
• Tensile Strength Grade: 10.9 (high-strength steel)
• Fastening Type: Internal hex (Allen-type socket)
• Weight: 0.21 kg (0.46 lbs)

Features and Benefits:

• OE-matching quality manufactured to meet or exceed original equipment specifications
• Grade 10.9 high-tensile strength steel construction for maximum durability and safety
• Suitable for both front and rear axle applications
• Single-use design ensures proper torque retention and assembly integrity
• Backed by Febi Bilstein's 175+ years of metalworking expertise

Important Installation Notes:

• This is a one-time use fastener and must be replaced whenever removed
• Cannot be reused or reinstalled per manufacturer recommendations
• Installs through the hub and wheel bearing into the end of the drive axle
• Requires internal hex socket for installation and removal

Febi Bilstein offers a 3-year manufacturer's guarantee on this replacement part, exceeding statutory warranty requirements. As a specialist in automotive fasteners with manufacturing competence, Febi ensures high installation safety and long-term durability for critical drivetrain components.