Febi 000-990-32-50 Self-Locking Exhaust Manifold Nut 8x1.25mm

The Febi 000-990-32-50 is an 8x1.25mm self-locking exhaust nut featuring a 12mm hex head with a split collar design that locks onto exhaust manifold studs to prevent loosening. This precision-engineered fastener is manufactured by Febi Bilstein to original equipment quality standards for reliable exhaust system assembly.

Key Features:

• M8 x 1.25mm internal thread size for secure fastening
• 12mm hex head for easy installation with standard tools
• Split collar locking mechanism prevents loosening from vibration and heat cycles
• Male hex bolt head design for positive engagement
• Manufactured to OE specifications for proper fit and function

Important Installation Note:

This is a single-use nut that must be replaced once removed to ensure proper tightening of the exhaust manifold. The self-locking collar deforms during initial installation to create a secure, vibration-resistant connection.

Cross-Reference Numbers:

Mercedes-Benz OEM: 0009903250, 000 990 32 50, 000.990.32.50 | Febi Bilstein: 07190

Febi Bilstein is a trusted manufacturer of original equipment quality automotive fasteners and components, offering precision-engineered parts for professional technicians and DIY mechanics alike.