TOYOTA 90119-16003 Suspension Bushing Bolt with Washer

The Toyota 90119-16003 is a genuine (OEM) high-strength bolt with an integrated washer, specifically engineered for securing critical points within the suspension system. Its primary function is to provide safe and stable mounting for suspension bushings (rubber-metal bushings), control arms, or subframes to the vehicle's body or chassis.

Key Features and Technical Specifications:

• Genuine (OEM) Quality: Ensures a precise fit, accurate thread pitch, and complete adherence to factory tightening torque specifications.
• Integrated Washer (W/Washer): The integrated washer evenly distributes clamping force across the mounting surface, preventing component deformation and resisting bolt loosening caused by continuous vibration.
• High Tensile Strength: Manufactured from a specially heat-treated steel alloy engineered to withstand extreme dynamic and static suspension loads.
• Corrosion Protection: Features a protective surface treatment that effectively resists moisture, road grime, and de-icing salt.

Why Is It Important to Replace Suspension Bolts?

Suspension fasteners are continuously subjected to severe mechanical stress and harsh environmental factors. When replacing bushings or servicing the suspension, replacing the mounting bolts is strongly recommended. Reused bolts can suffer from stretched threads and structural weakening due to corrosion, where insufficient clamping torque may lead to altered wheel alignment geometry, knocking noises, and compromised handling stability.