Vibrant · New
Vibrant Heat Sink Oxygen Sensor Weld Bung T304 SS (M18 x 1.5 Thread)
MPN 10419 · Store SKU vib10419
Supplier stock checked 11/7/2026, 5:31:40 AM UTC. Adding a part does not reserve it.
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Product details
Vibrants Bosch LSU 4.9 Heat Sink O2 Bung is designed to prevent premature oxygen sensor failure. The finned surface has been optimized to improve convective cooling, delivering up to 30% cooler O2 Sensor temperatures vs. a standard bung and the coped design makes welding easier. This bung only fits a Bosch LSU 4.9 Oxygen Sensor. Bosch LSU 4.9 Heat Sink O2 Bung Heat Sink O2 Sensor Weld Bung
Manufacturer fitment & guides
Check 10419 against the manufacturer’s application information below.