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🚗 Stay ahead of the curve—never let low tire pressure slow your hustle!
Marsflex TPMS Sensor 42607-33021 is a pre-programmed, direct replacement sensor compatible with a wide range of Toyota, Lexus, Scion, and Pontiac models. Operating at 315MHz, it delivers precise tire pressure monitoring with ±2-3% accuracy and features a durable battery designed to last up to 8 years. Crafted from high-quality ABS and alloy steel, it withstands extreme conditions up to 93°C. This set of 4 sensors offers a cost-effective, OEM-grade solution with easy installation and a 1-year warranty, empowering drivers to maintain optimal tire safety and performance without costly dealer visits.






















| ASIN | B092HXSBGZ |
| Best Sellers Rank | #5,978 in Automotive ( See Top 100 in Automotive ) #18 in Replacement Tire Pressure Monitoring System (TPMS) Sensors |
| Brand Name | Marsflex |
| Customer Reviews | 4.2 4.2 out of 5 stars (1,773) |
| Included Components | 4 tire pressure sensor and 1 user manual |
| Item Dimensions | 2.87 x 2.48 x 1.06 inches |
| Item Weight | 0.2 Kilograms |
| Manufacturer | Marsmotor |
| Material Type | Acrylonitrile Butadiene Styrene, Alloy Steel |
| Measurement Accuracy | +-2% to +-3% |
| Measuring Range | 15 to 65 psi |
| Model | APSP07004A-F-YS |
| Mounting Type | Flange Mount |
| Output Type | Push Button |
| Sensing Distance | 32 Feet |
| Specific Uses For Product | real-time monitoring the tire pressure |
| Style Name | Modern |
| Upper Temperature Rating | 93 Degrees Celsius |
| Warranty Description | 1 year after-sales service |
S**Y
Marsflex work, but for how long???
These installed well on my 2012 Lexus IS 250. When logging the new sensors with the 2025 Launch Creader Elite, I ran into a trouble code on the Creader Elite. It said “ID registration failed due to a communication error with the ECU while in initialization mode. Terminate initialization by connecting TC and CG of the DLC3 for 30 seconds.” I had to contact AI for an interpretation and it told me "The TPMS ECU got stuck in initialization mode and isn’t responding properly. To reset it, you need to manually short two diagnostic pins — TC and CG — in the DLC3 connector (your OBDII port)." Here are the instructions: How to Terminate Initialization (Safely) 1. Locate the DLC3 Connector • It’s the same OBDII port under the dash where you plug in the Creader Elite. 2. Identify Pins TC and CG • Pin 4 = CG (Chassis Ground) • Pin 13 = TC (Test Connector) • These are numbered from left to right, top to bottom. • You may need a pinout diagram or flashlight to confirm. 3. Create a Jumper • Use a paperclip or jumper wire to connect Pin 4 to Pin 13. • Leave it connected for 30 seconds with ignition ON (engine off). 4. Remove Jumper and Retry • Disconnect the jumper. • Reconnect the Creader Elite. • Retry the TPMS ID registration process. Why This Happens • The TPMS ECU sometimes locks up during ID registration, especially with aftermarket tools. • Shorting TC and CG forces the ECU to exit initialization mode — it’s a safe, Toyota-approved reset method. I had to do the above "shorting method" twice, which was a chore for this fat boy to get down in the floor board to access the OBD2, and then plug the 4 new ID numbers into the Launch Creader Elite twice, but it all worked out. I hope all this helps someone else who has the same problem. Still a lot cheaper than paying garage over $500.00! Now lets pray the Marsflex batteries last at least 4 Years, if not, go with Denso. More expensive, but proven to last.
D**Y
Really nice quality
Really nice product everything works great I like it
K**.
Don't pay dealership prices for something not as important...
Works perfectly for my 2006 Toyota Rav4, this will help save a ton of money compared to OEM. Dealership even programmed it for me!
K**T
Pre programmed, but still must be defined in the car computer
Got this for my Toyota Camry hybrid 2009 which had a rear sensor battery dead, and a front TPMS sensor battery dying. After a year of the annoying tire pressure light continuously on, it was time to change especially since it was time to change the tires too. Since this sensor was already pre-programmed, all I needed to do was to have the car computer recognize the sensors using the little learning tool and define which sensor went on which tire front,rear,left,right. No spare tire sensor for this Camry. The FOB key place did this for 5 bucks a piece while still not installed in the tire, so naturally the pressure reading for the two sensors was zero psi. Then I took the learned sensors to the tire place, replaced the bad ones and installed new tires and new brakes too. The dashboard light turned off- quite a relief. Been two months now since replacement and so far so good, no issues. Make sure your car is in the compatibility list
P**K
Perfect
Work good . Sensor already programed but some cars need to be use scaner to be relearn in ECU.
S**L
They work
Had Sam’s Club install these - saved me a ton of money - they work, my tire pressure light is off now.
D**N
had to use a proper scan tool to program them
Programing instruction are difficult to understand, but after some perseverance, i was able to use my Launch x431 pro to program them using the scan tool
S**G
Toyota 2011 Highlander TMPS
Easy install. Be sure to write down each TPMS sensor ID as that helps with the programing for my 2011 Toyota Highlander using an Autel MK808 as I had to manually type in the ID when America's Tire could not program with their tool. Been a few months now and no issues so far.
に**が
レクサスGS GRS191に無事接続出来ました。
F**X
Value for money good easy to program in the car
U**A
I have ordered these and have them installed. None of the scanners are detecting them after the installation. Going back and fourth with Amazon and the seller was waste of time as no resolution or exchange can be provided.
L**S
Los instalaron en mi Corolla 2011 y funcionaron bien. Espero que la duración sea buena. Gracias.
R**N
I had these installed on a 2008 Lexus RX350. They work great, without any programming issue.
Trustpilot
2 weeks ago
1 week ago