The most expensive part in this assembly is the Shock Absorber Assy.
On this parts fiche the Nut, Self-locking(j17) is the most specified component.
A sample from the products for the Front Suspension - Wheel include: Steering Knuckle Comp., Bolt, Washer Based(2nl), Nut 3532518200, Washer, Plate (3l6).