TST TPMS for RVs - Grayscale Display - Signal Booster - 4 Flow Through Tire Sensors

Part Number: TST-507-FT-4

39 Reviews | 19 Questions

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tst tpms sensor camper 5th wheel motorhome truck/suv tst-507-ft-4

tst tpms sensor flow through sensors tst-507-ft-4

tst tpms sensor camper 5th wheel motorhome truck/suv flow through sensors

tst tpms sensor camper 5th wheel motorhome truck/suv black & white monitor

tst tpms sensor black & white monitor tst-507-ft-4

tst tpms sensor camper 5th wheel motorhome truck/suv black & white monitor for rvs - grayscale display signal booster 4 flow through tire sensors

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TPMS monitors RV tire pressure and temperature and sends updated info to wireless grayscale monitor every 12 seconds. Flow through design lets you inflate tires without removing sensors from valve stems. Presets let you monitor up to 4 vehicles. Great Prices for the best tpms sensor from TST. TST TPMS for RVs - Grayscale Display - Signal Booster - 4 Flow Through Tire Sensors part number TST-507-FT-4 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.

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TST TPMS Sensor - TST-507-FT-4

Features:

TPMS lets you monitor your RV's tire pressure and temperature via included monitor
- Also works great with your motorhome, 5th wheel, motor coach, or trailer
Grayscale, wide-screen monitor provides early warning detection with visual and audible alerts
- Detects blowouts, significant pressure changes, and tire temperatures exceeding 158 degrees
- Refreshes automatically with new tire information every 5 minutes
- Presets let you monitor up to 4 separate vehicles or orientations
4 Flow through sensors check tire pressure and temperature every 12 seconds
- Flow through design allows tires to be inflated or deflated without removing the sensors
- Brass construction designed for use on steel, chrome, or nickel valve stems
- Easy installation onto your tires' valve stems
- Theft-resistant covers require use of included cap wrench for removal
- Additional sensors (sold separately) let you monitor up to 4 trailers for a total of 115 tires - including spares
Multiple mounts allow optimal monitor positioning
- Easy-to-use suction cup mount lets you stick monitor to windshield or dashboard
- Non-slip, rubber cradle mount lets you set monitor on dashboard
Micro USB cable and adapter let you charge monitor with your vehicle's 12-volt accessory outlet
Booster strengthens sensor signal and eliminates electronic interference
Included standard CR2032 battery can easily be found at your local store once you need to replace it

Specs:

Tire sensors:
- Dimensions: 1" diameter x 7/8" tall x 2-1/8" long
- Pressure range: 0 psi - 196 psi
- Operating frequency: 433.92 MHz
- Operating temperature range: -40 F - 176 F (-40 C - 80 C)
- Storage temperature range: -40 F - 185 F (-40 C - 85 C)
- Battery life: 12 months - 18 months
Monitor:
- Overall dimensions: 3" tall x 4-1/2" wide x 1" deep
- Screen dimensions: 1-5/8" tall x 3-1/4" wide
- Battery life: 5 days - 7 days on a full charge
- Battery recharge time: 4 hours
Booster dimensions: 2-1/2" tall x 3" wide x 5/8" deep
Booster lead wire length: 57"
Monitoring capacity with included sensors: 4 tires
3-Year limited warranty

TST-507-FT-4 507 Series Truck System Technologies RV Tire Pressure Monitoring System w/ Monochromatic Display - Repeater - 4 Flow Through Transmitters

Installation Details TST-507-FT-4 Installation instructions

Customer Satisfaction Score:

92% were satisfied with this product

8% of customers were not satisfied

Wrong item was ordered

8% of customers were not satisfied

Wrong item was ordered

4.7

39 reviews

5 Stars		(32)
4 Stars		(4)
3 Stars		(1)
2 Stars		(2)
1 Star		(0)

by: James 09/25/2026

Just finished a six week road trip. The TST TPMS (with the grayscale monitor) worked perfectly. Was great knowing the pressures at a glance. I always worried about it in the past, not anymore. One thing to keep in mind, if you get the flow through sensors like I did you have to replace your rubber valve stems with metal valve stems. Discount tire did mine for $10 per tire.

by: Useless Warranty 05/21/2026 One Year Later

Useless warranty. Please note etrailer will not support this product but refers problems to the manufacturer. TPMS performed fine for over a year but one sensor failed and is no longer transmitting. TST, the manufacturer, requires the defective unit be returned for "evaluation" before they will replace -- or return if it meets their performance spec. We will be traveling for the next four months and I have no idea where we will be to receive a replacement - or my original defective - sensor. Since their process will take at least two weeks and I will be at the same park for one more week, I offered to purchase a replacement and they could credit me if my returned unit is defective. Nope, gotta follow the procedure. Thanks a lot, TST.

by: Mark 07/25/2021

Watch the video on programing. It's so much easier. So happy I got this system. I hadn't checked my tire pressure in over a year. 15 pounds low on all tires. Not any more. So much safer now.

Click to Enlarge

Mark One Year Later

7/26/2022

Very well however you must replace the valve stems with metal ones or they will crack and leak.

by: William 07/10/2026 One Year Later

This product works well

by: Robert 02/12/2021 One Year Later

Love the TPM’s One problem was the contriful forse of the wheels made the units hit against the tire rims,, solved by installing metal valve stems. I covld have been told that

Robert One Year Later

2/14/2022

Good saved me twice, hit curb, bail in tire

Robert One Year Later

7/30/2022

Blow out, alarms went off, saved me from damage to TT, only now the tire sensor does not work, other three OK.

by: Glenn 11/25/2020

On a trip a couple of years ago, we had a blow-out on one of the tires on the travel trailer. I have towed trailers for 40+ years, both cargo and travel trailers and I have always been able to detect when something was amiss. This time, however I was shocked when I had no idea that a tire blew until I was flagged down by a passing motorist. It was just luck that the trailer itself was not damaged. I decided to purchase a TPMS.

The system installed easily. The repeater transmitted the data without problem to the in-cab receiver. The rechargeable in cab receiver did not require recharging except at the end of a three week trip and even then there was plenty left.

I did have some problem understanding the instructions on how to program the unit, specifically, deleting un-needed axles as this unit is made with 18 wheelers in .Once I got the hang of it, things went smoothly. I will come back to report any issues, but for now it's a 5 star for performance. No deduction for my problems on programming.

by: Bryn 10/03/2022 One Year Later

Great peace of mind now while towing my 29' travel trailer. Wish I had purchased it sooner. I have had mt share of flat tires on my travel trailer with two of them I did not even realize I had a flat and my tire shredded and had to buy a new tire. One of them even damaged the tire in front of it but I did not see anything until that tire went flat on the same trip.
So glad I will be alerted right away and likely save a tire from being destroyed or save me from possibly having an accident with the inability to stop properly if my tire was flat. Again, great peace of mind! I truly recommend this product 100%.

by: John 08/05/2021 One Year Later

Pretty good product. Setup was a little cumbersome but I got through it with the included directions. It is meant for an tractor trailer with many axles so that is annoying that you have to cycle through all the extra tire locations during setup but in the end it works well.

by: William 02/13/2022 One Year Later

Would buy again and would recommend to others. Product was easy to install but programming can be frustrating. Display works great and is easy to see. Repeater antenna was absolutely necessary and with it no dropped readings. Metal valve stems are required.

by: Ryan 06/07/2022 One Year Later

I forget I have it, which is the goal I think. The battery life on this thing is great. We travel 2-3 times per month, so I get a few months of life before I need to charge the head unit. The signal mostly worked before I hooked up the repeater it comes with. With the repeater in the battery bay, the tires sync up quickly.

by: Ray 01/23/2021 One Year Later

These work very well. I placed the little monitor on top of the dash to easily check the numbers. One time we were in very cold temps and the pressures were down below the limit I had set--boy howdy, the alarm works well!
Would I buy these again?? Yep.
Thanks etrailer

by: Bradford 05/27/2021

The tire monitor seems good. The directions were not very well organized and left as many questions as instructions. The monitor connected easily and seems to stay connected in my short time of using so far. Caution: I did not realize when I bought this that rigid metal tire stems are required. Rubber ones are not stiff enough to support the weight of the monitor. I had to spend an additional $80 to replace the rubber stems with metal.

by: SK 06/14/2022

Customer service was really great. I am very happy with the product that I had received.

Sk One Year Later

6/15/2023

I have not had any issues with the monitor. Instructions were easy to follow and I would recommend this product.

by: Michael 06/17/2020

Excellent product, very quick shipping and really easy to install

by: Andrew 04/07/2022 One Year Later

After owning it for a year, TST TPMS = POM (Peace of mind)

by: Verl 06/21/2025

Very easy set up and working well.

by: Kathy 09/25/2022

Works great. The downside is we have to remove the sensors to check add/remove air. Wish we would have ordered the regular sensors

Mike L.

10/6/2022

Which kit did you purchase? This particular kit does include sensors that are flow-through.

Kathy One Year Later

9/26/2023

One sensor failed. Could not remember where we purchased them to get warrantied. Is it too late?

by: Gary 08/23/2021

Excellent customer service!

by: David 08/12/2022 One Year Later

In use for almost1 year. Very happy with performance. Peace of mind is what this product provides me. Highly recommend!

by: David 06/14/2021 One Year Later

Works as expected. No issues. Would definitely recommend.

by: Simi Camper 10/02/2022

Easy to install, easy to use and seems reliable so far.

by: Steve 03/07/2021

Easy to set up! Works very well providing constant updates!

by: Bruce 09/10/2020

The service was great and the product arrived without issues. Thank you.

by: Joseph 12/03/2025

by: Robert 11/10/2025

true

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See what our Experts say about this TST TPMS Sensor

Do you have a question about this TPMS Sensor?

What is Max Safe Tire Temperature
The typical tire should run about 158 degrees (Farenheidt) once you get going down the road, but this can vary greatly depending on the weight of the trailer, how fast you're traveling, and also driving habits. So while 158 is probably "normal", it isn't really a standard to try to stay at. I will say that you do want to avoid hitting the 167 mark as that is usually when problems start to arise when you go over that. 200 degrees is when you need to stop and check things out. If you have...
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Do I need Metal Valve Stems for Flow Through Tire Sensors?
To use the TST TPMS 4 Flow Through Tire Sensors item # TST-507-FT-4 or 6 Flow Through Sensors item # TST-507-FT-6-C you will need to swap out your rubber valve stems with valve stems that are steel, chrome or nickel. You can use the Americana Metal, Bolt-In Valve Stem item # AM20906 which fits either of the standard hole sizes of 0.453" or 0.625" and is made of chrome-plated brass. You won't be able to use just the metal extensions, like item # WM80292 you were looking at, with these tire...
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Using TPMS Flow Through Sensors And Valve Extenders On A 2024 Ford F-450
Hi John, TST Flow Through Sensors # TST-507-FT-S2 are approximately 2-1/8" long so they do add a bit to the overall length of the coming from the valve. TST likely told you that the sensor has to be directly after the valve to avoid any movement with the sensor that could damage it or the valve and to help prevent any false readings. With valve extenders like the Wheel Masters # WM8001-135 you'll be able to tuck the excess cable up since you'd be mounting the end of the extender to the...
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Can TST TPMS for RVs # TST-507-FT-4 be Used on Rubber Valve Stems
Yes the TST TPMS for RVs # TST-507-FT-4 that you referenced can fit on rubber valve stems of a trailer wheel.
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Difference Between TST-507-FT-4 and TST-507-FT-4-C Truck Systems Technologies Tire Pressure Monitors
The only difference between the Truck Systems Technologies Tire Pressure System # TST-507-FT-4-C and the # TST-507-FT-4 is that the # TST-507-FT-4-C features a color display monitor and the # TST-507-FT-4 uses a black/white display monitor. Other than that, they're identical. I've linked to a product demonstration video featuring the # TST-507-FT-4-C.
view full answer...
Radio Frequency Range Of The Tire Monitoring System Flow Through Tire Sensors
The TST TPMS for RVs - Grayscale Display - Signal Booster - 4 Flow Through Tire Sensors # TST-507-FT-4 can be used on your set up. Range on the sensor can vary depending on the specific environment and conditions at hand. It will be, in the perfect at best conditions, about 60 linear feet. However if you do have signal issues you can rectify those with the Signal Booster / Repeater for TST TPMS Item # TST-507-R. The TST TPMS for RVs - Color Display - Signal Booster - 6 Flow Through Tire...
view full answer...
TPMS System for Dual Rear Wheel Motor Homes with Valve Extenders
The TST TPMS for RVs part # TST-507-FT-4 is ideal for your situation. It offers 4 flow through sensors. These sensors will attach to your factory valve stems then your extenders can attach to them. This will eliminate the issue with the excess weight of the sensors being to great on the end of the extenders causing them to fail. This will take care of the 4 rears now for the 2 fronts use the Brass Tire Sensors for TST TPMS part # TST-507-RV-S2 which will give you the two standard front...
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Easiest to Install/Use Tire Pressure Monitoring System for Trailer Application
The tire pressure monitoring system I would recommend for a "beginner" or anyone looking for the easiest to setup and easiest to use in general is the TST TPMS part # TST-507-FT-4. The reason I recommend it is because it installs easier by attaching to the valve stems (others mount in the tire), it's a flow through design which means you can inflate/deflate the tires without removing the sensors, and because it has a grayscale display instead of color which helps with the cost. If you...
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What is Difference Between TST Tire Pressure Monitor Systems # TST-507-FT-4 and # TST-507-FT-4-C
The two kits you mentioned are basically the exact same with exception being the color of the display. The # TST-507-FT-4-C has the color display that puts the alert messages in red if there's high or low pressure as well as temperature whereas the gray scale # TST-507-FT-4 would display everything in the same gray-like color. Either kit works great on rubber valve stems. For the second trailer you'd need additional sensors with # TST-507-RV-S4 and you'd be able to use it with the same...
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Recommended TPMS System for 2005 Ford F-350 Towing Fifth Wheel
I'd recommend a TPMS system from TST, Truck Systems Technologies, because they're highly rated by our customers, they work great and their customer support is outstanding. To keep costs down, I'd recommend a system going with a system that used a grayscale monitor, versus the color. If you're talking TV's, color is the way to go but for a TPMS system a grayscale monitor would work just fine. I'd go with the basic # TST-507-FT-4 system, then add 4 additional flow through monitors, using...
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Does TST TPMS for RVs Sensors Require Balancing Wheels
The sensors of the # TST-507-FT-4 are less than .1 of a lb which means they would not throw your wheel out of balance and would not require rebalancing. We also have not had any customers report back that they had to do this either.
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Is the 507 TST Tire Pressure Monitoring System for RVs Available with a Grayscale Monitor
Yes, we have the TST TPMS for RVs # TST-507-FT-4-C available with the grayscale display listed as part # TST-507-FT-4 on our site. This includes the signal booster and the 4 flow through tire sensors as well.
view full answer...
Portable Air Compressor and Pass Through TPMS w/ Trailer Tire/Wheel Upgrade for Beach Towing
Taking over half of the PSI out of the Loadstar ST185/80D13 Bias Trailer Tire with 13" White Wheel - 5 on 4-1/2 - Load Range D item # AM3S331 tires is not something I can recommend doing. I used to live in the desert so I understand the necessity for what you are intending to do when traveling across soft sand. Besides voiding the tire warranty the issue with running the tires deflated is the tire's sidewalls flex more causing heat to build up within the tire. This issue will increase driving...
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Does TST-507-FT-4 Tire Pressure Monitoring System Provide Audio as Well as Visual Alerts
The Truck Systems Technologies # TST-507-FT-4 TPMS system does indeed offer both visual and audio alarms if tire pressure or temperature readings exceed the parameters you've set up. If you click the provided link, you can check out a product demonstration video featuring the # TST-507-FT-4 system.
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Will TST TPMS for RVs TST-507-FT-4 Work Correctly With Rubber Valve Stems?
The flow through feature of the TST TPMS for RVs - Grayscale Display - Signal Booster - 4 Flow Through Tire Sensors # TST-507-FT-4 will still work on rubber valve stems, though TST does recommend that metal valve stems are used with these sensors. You will need to use the included booster for the system to work properly. I included a video of the # TST-507-FT-4 for you to take a look at.
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Recommended TPMS for 2014 Cadillac SRX Towed Behind Newmar King Aire
The TST TPMS for RVs # TST-507-FT-4 would certainly do a good job monitoring the tires on your 2014 Cadillax SRX. This system comes with a grayscale monitor, updates every 12 seconds, and has a 3-year warranty. However, I prefer the TireMinder A1AS TPMS for RVs and Trailers w Signal Booster # TM76FR. This system has a faster refresh rate updating every 6 seconds, an LCD color monitor, and a 3-year warranty like the TST. It also gives you the option to monitor on your smartphone via Bluetooth.
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Are The TireMinder Flow Through Sensors Waterproof And Suitable For Boat Trailer Wheels?
Yes, the sensors that come with the TireMinder TPMS # TST-507-FT-4 are indeed waterproof and are suitable for boat trailer wheels. The transmitter is also waterproof, however TireMinder does not recommend the transmitter box be submerged more than 30 minutes. As long as you keep that in mind when you are installing the transmitter and when you launch your boat you will be able to use the sensors without any issues.
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TireMinder Pressure Monitoring System For 35 Foot Motorhome
The biggest difference between a Tire monitor pressure system for a trailer and a motorhome is the sensor range. Systems that come with a signal booster are normally compatible with a motor home. The TireMinder TPMS for Dual Axle Trailers - Solar Powered with 4 tire sensors part # TPMS-TRAILER is only designed for single-axle trailers up to 25 ft long so it's not going to be a fit for your 35 ft motor home. For your motor home I recommend TireMinder i10 TPMS for RVs and Trailers w/ Signal...
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Will the TST Tire Pressure Monitoring System # TST-507-FT-4 Work on Un-threaded Valve Stems?
To answer your main question, yes, you can have the valve stems changed out to ones that will work with your tires and the TPMS system. I recommend going to either a local RV/Trailer Maintenance shop or your local tire shop; either of these spots will be able to make these changes on your trailer tires. You could even purchase the stems in advance and have them installed at one of those locations. In order to choose the correct stems, you'll need to know the maximum PSI rating on your tire,...
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Do you have a question about this TPMS Sensor?

Info for this part was:

Expert Research:

Mike L

Expert Research:

Jameson C

Edited by:

Tyler C

Video Edited:

Jacob T

Video Edited:

Jonathan Y

Installed by:

Steven C

Installed by:

Adam E

Video by:

Chris R

Written by:

Matthew S

Updated by:

Michael B

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