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🚛 Stay ahead on the road with GT40 — your tires’ smartest watchdog!
The GT40 Solar TPMS with 4 Sensors is a cutting-edge tire pressure monitoring system designed for trailers, RVs, and heavy vehicles. Featuring a 36-foot long-range signal, high-precision pressure readings (0-188 PSI with <2 PSI error), and six intelligent alarm modes, it ensures real-time tire safety. Powered by durable solar panels and USB charging, it offers continuous operation in all conditions. The system includes pre-configured sensors for quick installation and an HD LCD display with auto backlight for clear monitoring anytime.













| ASIN | B0DQ8BHYNN |
| Best Sellers Rank | #76,037 in Automotive ( See Top 100 in Automotive ) #21 in Aftermarket Tire Pressure Monitoring Systems (TPMS) |
| Brand | GUTA |
| Customer Reviews | 4.5 4.5 out of 5 stars (42) |
| Date First Available | December 12, 2024 |
| Item Weight | 1.01 pounds |
| Item model number | GT40 4GS02 |
| Manufacturer | Shenzhen Hanyang Semiconductor Co.LTD |
| Manufacturer Part Number | GT40 4GS02 |
| Model | tire pressure monitoring system |
| Package Dimensions | 8.78 x 5.98 x 2.28 inches |
K**S
Works very well. Seems very accurate.
Put this system in place very easily. Left for a 2,200 mile trip the next day. The pressures are right on the money. Haven’t heard an alarm yet, but that’s a good thing. This system (GUTA RV Tire Pressure Monitoring System) works well so far. Glad we got it.
P**Y
It works as advertised Perfectly!
First day it saved me a brand new tire. It was well worth the money! Alarm works great. Its loud enough but not overwhelming. Display works great and is visible on the dash from edge of windshield. It may take a few minutes to link up but always does. Love this product!
G**Y
Readout gives all tire pressures, but
I love seeing all tire pressures even my two spares. I wish the readout wasn't "trailer" related. I use this device on my Mercedes Sprinter 3500 RV, two front wheels, four rear dually wheels. I have two spares.
W**R
Much better than the cheaper ones
This is my second TPMS monitoring system and I am quite impressed compared to the other, cheaper one. The reason for five stars is that compared to the other one, this one connects to the sensor is much faster, is actually within one PSI based off my quality snap on tire pressure gauge, and the biggest thing is that it refreshes each sensor much quicker than the cheaper one. Within about a minute it has cycle through all the sensors and its sudden pressure loss indication is close to instantaneous. It also has gone the distance chargewise as we recently took an 8 hour drive, half of which was at night and the battery lasted the whole trip. Definitely worth the extra few dollars that this will cost you.
S**S
TPMS
Has worked flawlessly so for and was easy to install.
W**C
Highly recommend.
Product has worked perfect and has been comforting making long trips towing at night and not being able to see tires in the mirrors. This allows me to know they’re in good shape. I had a tire go down and the working alarm on this product let me know right away. Battery on this thing will keep it going all night long. Only downside is the sensors are heavy. So I would recommend getting heavy duty (metal) valve stems at your next tire change.
J**K
Cannot see display with polarized sunglasses.
I bought to replace a wired unit. Charged it with the supplied cable overnight. Installation was soooo easy compared to the prior unit. Sensors read a little low. Maybe some air escaped. I’ll remove one and check. My chief complaint is that I cannot see the display while driving with polarized sunglasses. They block it. And the numbers are pretty small. Otherwise works great.
S**R
Reliable and Functional System
Works as described and very happy with the performance! The pressures are within 2 psi of my digital tire pressure gauge, which is a non-issue. Gives peace of mind when towIng my RV. Quality materials and easy to install. No programming required, they're plug n play.
Trustpilot
4 days ago
1 week ago