9% Vibrant Standard Oxygen Sensor Weld Bungs Mild Steel (M18 x 1.5 thread) - Bulk Pack of 100 pcs. Vibrant Sale! from 13599 14999 /per Qty. Add to Cart This item is either made to order or has limited inventory. Please reach out to confirm lead times if needed. Vibrant Performance Standard Oxygen Sensor Bung is made of 304 Stainless Steel and mild steel.