TOYOTA 90119-08834 Bolt with Washer

The genuine TOYOTA 90119-08834 (alternative part number: 9011908378) is a premium quality hex bolt with an integrated washer, designed specifically to meet the strict factory specifications of Toyota and Lexus vehicles. The integrated washer plays a crucial role in distributing clamping force evenly, preventing surface damage to fastened components, and reducing the risk of loosening caused by vibration.

Technical Specifications and Features:

• Manufacturer: TOYOTA (Genuine OEM part)
• OEM Part Number: 90119-08834
• Replacement / Alternative Numbers: 9011908378
• Type: Hex bolt with integrated washer
• Thread Size: M8 (typical metric thread for Toyota fasteners with 08 thread diameter coding)
• Material: High-tensile, hardened steel alloy
• Surface Treatment: Corrosion-resistant galvanized or phosphated protective coating against environmental influences

Function and Importance:

Genuine bolts used in automotive applications cannot be substituted with standard hardware store fasteners. TOYOTA OEM bolts feature precisely calibrated tensile strength and shear resistance, ensuring the secure mounting of critical components (such as brackets, body panels, and engine bay accessories).

Signs of Wear or Damage:

• Corrosion and Rusting: Weakens the structural integrity of the bolt, potentially leading to failure or breakage.
• Thread Damage (Stretching): Over-tightening can stretch the threads, causing the bolt to lose its clamping force.
• Deformation or Mechanical Damage: Rounding or stripping of the bolt head makes removal and installation difficult.

During maintenance or component replacement, damaged, corroded, or stretched bolts should always be replaced with new genuine parts to ensure safe, vibration-resistant fastening.