Masoll Tire Pressure Monitoring System Review
Masoll M13 TPMS Review
Tire pressure changes can be easy to miss until a warning light, rough ride, or trailer problem gets your attention. The Masoll M13 TPMS gives you a separate four-sensor monitor for checking tire pressure while you drive, which can help if your vehicle does not have a clear factory display or if you tow a shorter trailer.
This review looks at the Masoll M13 TPMS as a practical add-on for sedans, SUVs, pickup trucks, RVs, and travel trailers under 38 ft. You will see where its solar charging, auto-calibration, LCD monitor, and 0 to 87 PSI range help, plus where the four-sensor setup and trailer range limit may hold it back.
Quick Verdict
Rating: 8.4/10, Recommended with caveats
Best For: Drivers who want simple four-tire pressure monitoring with solar charging and automatic alarm setup.
Bottom Line: The Masoll M13 is a good fit if you want a straightforward TPMS with four external sensors, a 0 to 87 PSI range, and solar or USB charging. It is not the right pick if you need to monitor more than four tires, run tire pressures above 87 PSI, or tow a trailer longer than 38 ft without adding a signal booster.
Before You Buy: This is a four-sensor system with a listed 0 to 87 PSI range. Skip it if your setup needs more than four sensors, tire pressure monitoring above 87 PSI, or long-trailer coverage without a booster.
[Products Worth Considering]
The Tymate TM3 RV TPMS delivers real-time tire pressure monitoring from 0 to 144 PSI with accurate readings and dependable wireless communication. It includes four external sensors with pre-pairing, six alarm modes for rapid leak, pressure extremes, temperature, and signal loss, plus an easy-reference setup for alert thresholds. Solar and USB-C charging help keep the display powered, while the color LCD and adaptive backlight improve visibility for safer driving and towing.
The Tymate TM12 RV TPMS delivers real-time tire pressure and temperature monitoring with a stable 433Hz display for safer long-distance driving. It supports simultaneous monitoring across vehicle and trailer zones, includes six alarm modes for pressure, temperature, leakage, battery, and signal loss, and features easy DIY installation with auto calibration. Power is supplied via USB-C charging or solar recharging, with a wide 0–144 PSI range and up to 50 ft signal coverage for RVs and towable trailers.
Marcala’s TPMS set of four sensors helps you monitor tire pressure and temperature in real time while driving, with updates every second. The bright color LCD uses auto-dimming for easy viewing, powered by dual solar and USB charging, and offers six alarm modes. Built for trailers, RVs, campers, trucks, and towing setups, the sensors support monitoring 1-4 wheels up to 98 PSI with IP67 waterproof protection.
Key Specs
| Specification | Detail |
|---|---|
| Brand | Masoll |
| Model / Part Number | M13 / M13+MZS3 |
| ASIN | B0D943S8NW |
| Product Type | Tire Pressure Monitoring System / RV TPMS |
| Sensor Type | External valve-stem sensors |
| Sensors Included | 4 tire sensors |
| Pressure Range | 0 to 87 PSI |
| Listed Pressure Accuracy | 1.5 PSI |
| Alarm Logic | Alerts at 25% higher or 15% lower than the saved reference pressure |
| Display | LCD display with anti-reflective design and auto backlight |
| Charging | Solar and USB charging |
| Power Features | Auto wake, auto sleep, overheat protection, and overcharge protection |
| Sensor Battery | Replaceable CR1632 coin-cell battery |
| Listed Sensor Battery Life | Up to 2 years, depending on use |
| Vehicle Fit | Most four-tire vehicles, including sedans, SUVs, pickup trucks, RVs, and travel trailers under 38 ft |
| Included Components | 1 LCD tire pressure monitor, 4 tire sensors, 4 hex nuts, spanner, and accessories |
| Listed Material / Weight | Plastic / 8 ounces |
| Warranty | 1 year for monitor and 6 months for sensors |
| Best Use | Four-tire pressure monitoring for everyday driving, towing, and shorter RV or trailer setups |
What Is the Masoll M13 TPMS?
The Masoll M13 TPMS is an aftermarket tire pressure monitoring system with one LCD monitor and four external valve-stem sensors. It is made to show pressure data for four tires without relying on your vehicle’s factory dashboard display.
The main selling point is automatic pressure-reference setup. After you install each sensor at the tire’s standard pressure, the system saves that pressure as the reference and sends an alert when the tire rises 25% above or drops 15% below that point.
It is also designed for simple power management. The monitor supports solar charging and USB charging, while auto wake and auto sleep help reduce battery use when the vehicle is parked.
Who Should Buy It?
Best For
- Drivers who want a simple four-tire TPMS with external sensors
- RVs, pickups, SUVs, sedans, and shorter travel trailers under 38 ft
- Buyers who prefer automatic alarm setup instead of manual PSI thresholds
Skip If
- You need to monitor more than four tires
- Your tires require pressure monitoring above 87 PSI
- Your trailer is longer than 38 ft and you do not plan to use a signal booster
Key Features
Automatic Pressure Reference
The Masoll M13 uses the tire’s standard pressure as the saved reference point. Once the sensor is installed, the monitor watches for a large change from that baseline instead of asking you to enter separate high and low alert numbers.
This is helpful if you want a low-effort setup, but it also means your starting tire pressure matters. Install the sensors only after you set the tires to the correct cold pressure for your vehicle or trailer.
Solar and USB Charging
The monitor supports solar charging for daylight driving and USB charging when you need a backup power option. This two-way charging design is useful if your vehicle sits in shaded parking, a garage, or winter weather where solar charging may be less steady.
LCD Display With Auto Backlight
The listing describes the display as an LCD monitor with anti-reflective design and automatic brightness adjustment. That helps the monitor adapt between day and night use, though buyer feedback on display visibility is mixed.
Four External Sensors
The kit includes four external sensors that attach to tire valve stems. External sensors are easier to install than internal sensors because you do not need to remove the tire from the wheel, but they still need careful installation so they stay secure.
0 to 87 PSI Pressure Range
The listed pressure range is 0 to 87 PSI, with 1.5 PSI accuracy. That range works for many cars, SUVs, pickups, RVs, and shorter trailers, but it does not cover every high-pressure truck, commercial, or heavy RV tire setup.
Pro Tip: Set your tires to the correct cold pressure before installing the sensors. The M13 uses that starting pressure as its reference, so a rushed install on underinflated or overinflated tires can make alerts less useful.
Setup and Installation Tips
Turn on the monitor before installing the tire sensors. The listing notes that if the monitor is turned on after the sensors are already installed, you may need to drive for 5 to 10 minutes before the data appears on screen.
Use the supplied hex nuts and spanner if you want the anti-theft feature. The nut tightens against the sensor to make it harder to remove by hand, which can help on trailers, RVs, and vehicles parked outside.
After installation, check each tire position on the display and compare the readings with a trusted tire gauge. A small difference can be normal, but a large mismatch should be checked before you rely on the system.
Compatibility and Safety
The Masoll M13 is made for four-tire monitoring, not six-tire or eight-tire RV setups. It can be used on many sedans, SUVs, pickup trucks, RVs, and travel trailers under 38 ft, but the listing recommends a Masoll signal booster for trailers longer than 38 ft.
Use it as a warning aid, not as a replacement for normal tire care. You should still inspect tires for cuts, cracks, sidewall damage, uneven wear, valve-stem problems, and age-related deterioration.
Because the sensors attach to valve stems, check that each sensor is seated correctly after installation. Recheck them after your first drive, especially if you installed the anti-theft nuts.
How It Performs in Real Use
For Daily Driving
For everyday commuting, the M13 helps you see pressure changes without stopping to check every tire by hand. The LCD display gives quick readings, and the auto wake function helps the system start working when the vehicle moves.
For RVs and Travel Trailers Under 38 Ft
For shorter trailers and RVs, the four-sensor setup can help you watch tire pressure during highway driving and fuel stops. It is most useful when your setup has four tires and stays within the listed transmission guidance.
For Temperature Changes
Tire pressure can shift as outside temperature changes. The M13 can help you notice a pressure drop or rise after a cold night, hot afternoon, or long highway drive, but you should still use your vehicle’s recommended cold tire pressure as the starting point.
For Long Trips
On longer drives, the solar panel can help keep the monitor charged when it gets enough light. Keep a USB charging option available if your dashboard placement, weather, or parking habits limit solar charging.
What Buyers Are Saying
At review time, Amazon displayed a 4.4 out of 5 star rating from 504 global ratings. Buyer feedback points to a useful, easy-to-install TPMS for many four-tire setups, with the main concern focused on display readability.
- Praise: Several buyers mention reliable sensors and steady pressure monitoring.
- Praise: Buyers often describe installation as simple and say the PSI readings are useful.
- Watch-out: Display readability is mixed, with some buyers finding it clear and others finding it harder to read.
Pros and Cons
Pros
- Auto-calibration reduces the need to set alarm thresholds by hand
- Solar and USB charging give the monitor two charging options
- External sensors are easier to install than internal tire sensors
- Replaceable CR1632 sensor batteries help with long-term maintenance
- 0 to 87 PSI range fits many passenger vehicles, pickups, RVs, and shorter trailers
Cons
- Only monitors four tires
- Trailers longer than 38 ft may need a Masoll signal booster
- Not suitable for tire setups that need monitoring above 87 PSI
- Display readability may vary by dashboard placement and lighting
Is It Worth the Price?
The Masoll M13 is worth considering if you want a budget-friendly to mid-range TPMS for a four-tire setup. Its strongest value comes from the mix of four external sensors, solar and USB charging, automatic alarm setup, and replaceable sensor batteries.
It offers strong value for the price if your vehicle or trailer fits the listed limits. It is not the best fit if you need more sensors, a higher PSI range, or stronger long-trailer transmission without buying extra hardware.
The best buyer is someone who wants pressure alerts with low setup effort, not a large fleet-style TPMS with expanded tire positions and advanced display options.
How It Compares to Alternatives
The Tymate TM8 is a common solar TPMS alternative with a similar 0 to 87 PSI range, so it is worth comparing if you want another four-sensor option. The Tymate TM2 may be better if you want a larger RV-focused setup that can support more sensors on some versions.
The Masoll M23 is the closest same-brand alternative if you want to compare newer Masoll models. The M13 makes the most sense if you want a simple four-sensor Masoll kit with auto-calibration and do not need more tire positions.
Frequently Asked Questions
How many sensors does the Masoll M13 include?
It includes four external tire sensors. It is made for four-tire monitoring, so it is not the right choice for six-tire or eight-tire setups unless your use case only requires four monitored tires.
What pressure range can it monitor?
The listed pressure range is 0 to 87 PSI. If your tires need monitoring above 87 PSI, choose a TPMS with a higher pressure range.
Does the Masoll M13 need manual alarm setup?
No manual high and low PSI setup is required for normal use. The system saves the tire’s standard pressure as the reference and alerts when pressure rises 25% above or drops 15% below that reference.
Is it suitable for travel trailers over 38 ft?
Not by itself. The listing says trailers longer than 38 ft should use a Masoll signal booster to improve transmission, so check your trailer length before buying.
Are the sensor batteries replaceable?
Yes. The sensors use replaceable CR1632 lithium coin-cell batteries, and the listing notes a sensor battery life of up to 2 years depending on use.
What comes in the box?
The package includes one LCD tire pressure monitor, four tire sensors, and accessories. The listing also references hex nuts and a spanner for the sensor anti-theft setup.
Can it replace normal tire checks?
No. It can help you spot pressure changes, but you should still inspect your tires, valve stems, tread, and sidewalls on a regular schedule.
Who should skip the Masoll M13 TPMS?
Skip it if you need more than four sensors, monitor tires above 87 PSI, or tow a trailer longer than 38 ft without a booster. You may also want another model if display visibility is your top concern.
The Bottom Line
The Masoll M13 TPMS is a practical pick for drivers who want simple four-tire pressure monitoring with automatic calibration, solar and USB charging, and a clear 0 to 87 PSI range. Its main limits are the four-sensor setup, the 38 ft trailer guidance, and mixed buyer feedback on display readability.
Buy it if those limits match your vehicle and you want useful pressure alerts without much setup work. Skip it if you need a larger RV TPMS, a higher PSI range, or a system built for more tire positions.
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