# Vibrant Heat Sink Oxygen Sensor Weld Bung T304 SS (M18 x 1.5 Thread)

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.

## Details

- **Price:** 42.74 CAD
- **Vendor:** Vibrant
- **Type:** Bungs

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 42.74 CAD | In stock |

## Images

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- User 1
- Logo Image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/vibrant-heat-sink-oxygen-sensor-weld-bung-t304-ss-m18-x-1-5-thread)
> Updated: 2026-08-17