Best Overall · 1 of 6
TST 507 Series TPMS

- 8 cap sensors, CR2032
- 3.5 inch color display
- Expandable to towables
Our take
Best for a tow vehicle plus tandem with replaceable batteries.
Why it made the shortlist
TST's 507 eight-sensor kit has cap sensors with user-replaceable CR2032 batteries and a 3.5 inch color display. TST's 507 eight-sensor kit has cap sensors with user-replaceable CR2032 batteries and a 3.5 inch color display. The listing says the system monitors a towing truck and up to four towable vehicles.
Cap sensors must be removed to add air.
It suits a tow vehicle plus tandem trailer with replaceable batteries.
What works
- Cap sensors with user-replaceable CR2032 batteries
- Eight sensors cover a tow vehicle and tandem trailer
- 3.5 inch color display
- Can monitor up to four towables
Watch out for
- Cap sensors must be removed to add air






