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Do You Carry More Than 2 Packs Of The Replacement TST 507 Sensors?  

Updated 05/22/2025 | Published 05/20/2025

Question:

I already have the TST 507 tpms and need an additional 10 flow through sensors. Do you have packs larger than 2 that are cheaper than $55 each if I buy 10?

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Expert Reply:

Hey Brian,

For those flow through sensors we only have replacement ones as either singles or a pack of 2. We do not carry any larger kits for those replacement ones. I checked with TST as well and they only package them as a 2 pack replacement sensor kit. If you need a full 10 that is what I would do, but if its possible you could get away with 8 you could just get a new kit for around the same price, # TST38FR.

Are you needing extras to add to an additional trailer/vehicle?

expert reply by:
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Nick S
Brian G. profile picture

Brian G.

5/22/2025

I just traded in my F350 DRW for a 2025 F450 DRW that doesn't come with factory TPMS. I currently have the TST for my 5th wheel RV and need to add sensors for my new F450 (6) and 4 more sensors for my new dump trailer. What is the most cost-effective way to get 10 more sensors?

Nick S. profile picture
Etrailer Expert

Nick S.

5/22/2025

@BrianG The best way to go about that since they are only offered as a 2 pack is to just get 5 of the replacement packs. A fully new kit plus 2 extra is going to be more than 5 packs of 2. That is the route I would go to get the rest that you need.

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