What Size are the O-Rings in the Replacement O-ring Kit for TST SE2 Cap Sensors?

Question

Question:

What size are the small o rings that attach to the valve stem

asked by: Robert

0

Expert Reply:

Hey Robert welcome back! The Replacement O-ring Kit for TST SE2 Cap Sensors item # TST39FR has 11mm x 1mm O-rings. These are designed as replacements for the SE2 Cap Sensor for TST 507 Series item # TST47FR.

If you have any additional questions, go ahead and click on the box that says Add Comment and I'll be happy to answer them.

expert reply by: Jerred H

0

TST39FR
(click to enlarge)

Robert

1/26/2026

I'm not talking about the o rings where the battery is, I'm looking for the dimensions on the small one where it attaches to the valve stem

Jerred H.

1/26/2026

@Robert Those are the valve stem gaskets on item # TST39FR . They have a 3/8" inner diameter and a 3/4" outer diameter.

Robert

1/26/2026

@JerredH What are the thickness

Marc

1/27/2026

@Robert These o rings were a perfect fit on my TST tire valve sensors. Marc

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What Size are the O-Rings in the Replacement O-ring Kit for TST SE2 Cap Sensors?

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