PLM Oxygen O2 Sensor Bung Clamp - No Weld Design

$30.38 ~~$49~~ In stock

This O2 sensor bung & clamp is the most clever and easiest way to add an O2 sensor or wideband sensor in your exhaust system.

No Weld Design. 100% Clamp On.

Available in 2.5" or 3.0" sizes.

Each kit includes:

One exhaust clamp with welded O2 bung
Hardware - 2 bolts & nuts
High quality 10.9 grade hardware
Gasket for leak free installation

Installation note: Drilling a hole in your exhaust system to insert the O2 sensor is required. No welding needed.

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (5.0 / 5 · 5 reviews)

Robert ★★★★★ Oct 22, 2026

I was a little skeptical about the clamp holding up under heat, but after a few hard runs it hasn't budged an inch. The no-weld design saved me a trip to the fabricator and feels surprisingly solid.

Evelyn M. ★★★★★ Oct 21, 2026

Finally, a clean way to add an O2 sensor without welding—the clamp design held tight on my test pipe with no leaks. I had it installed and snug in under fifteen minutes, which beat borrowing a welder.

Harper ★★★★★ Oct 20, 2026

Took me maybe 10 minutes to get it positioned and tightened on the pipe, and the clamp holds the bung rock solid without any welding. Such a clean solution for adding a wideband sensor to a stainless system.