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Orange Electronic P409S Retrofit Tire Pressure Monitoring System

3.5 out of 5 stars 198 customer reviews
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  • Includes a Lithium-ion battery
  • Projected 5 to 7-year battery life
  • Ergonomic Design that displays tire pressure
  • Designed for vehicles that did not come with a factory tire pressure monitoring kit
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Product Information

Technical Details

Brand Orange Electronic
Item Weight 1.1 pounds
Product Dimensions 7.6 x 6.6 x 2.7 inches
Item model number P409S
Discontinued by manufacturer Yes
Manufacturer Part Number P409S
OEM Part Number P409S

Technical Specification

Additional Information

ASIN B002DYH586
Customer Reviews
3.5 out of 5 stars 198 customer reviews

3.5 out of 5 stars
Best Sellers Rank #296,972 in Automotive (See top 100)
#170 in Automotive > Wheels & Tires > Accessories & Parts > Tire Accessories & Parts > Tire Pressure Monitoring Systems (TPMS) > Replacement Sensors
#3,416 in Automotive > Wheels & Tires > Accessories & Parts > Wheel Accessories & Parts
Shipping Weight 1.1 pounds
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item is not eligible for international shipping. Learn More
Date First Available June 16, 2009

Warranty & Support

Warranty, Parts:Parts
Product Warranty: For warranty information about this product, please click here

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Product Description

The Orange Electronics Retrofit Tire Pressure System continually monitors tire pressure in all four wheels, and helps provide a safer ride. This kit has been designed for vehicles that did not come with a factory tire pressure monitoring kit. The sensors feature a military specification lithium-ion battery with a projected 5 to 7 year battery life. All sensors come complete with a unique valve stem assembly which incorporates a ball joint fitting allowing the sensor to be positioned in the optimum location to prevent any potential damage in service. All sensors are guaranteed 100 percent compatible with the vehicle.

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

After having read reviews and researched Hella TC-400 and Orange Electronic P409s kits, I decided on the P409s because it is less expensive, less complicated to install, displays 4 tire pressure readings simultaneously and has one small display unit (vs a display unit AND receiver that the TC-400 requires).

I installed the sensors myself onto brand new 18" BMW aluminum alloys and had my shop use a dial-type torque wrench to torque the valves (included in the kit) down to 4 newton meters (~35 inch pounds), exactly as the Orange Electronic P409s manual states. If you don't have a dial type torque wrench (not clicker), then you'll need one to install this kit. I then had them mount the tires on and as soon as they pressurized the tires, the sensors turned on.

The kit includes absolutely everything you need: valve cores, valve stems, valve stem caps that say (sensor inside), and sensors. The only thing you need are wheels and tires.

Finally, it takes about 5-10 seconds every time you plug the head unit in for the sensors to link up to the head unit. And the digital readout is very accurate, providing the identical reading that my handheld digital tire pressure gauge gives. What an awesome kit, from the cockpit of my BMW 850i (which has a lot of insulation, I was concerned about wireless reception), I can get the signals from all four sensors. There are no reception issues to report.

You can manually set the high and low (pressure and temp) alarm thresholds, and upon trigger of an alarm, the sensor in question lights up red on the display and it starts beeping. If you pressure the top button once you can silence the beeping.
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By ZZ on January 14, 2010
I have found this to be the best of three different after-market TPMS that I've tried. This valve attachment location has proven more durable than the band technique. The simultanous four-time readout is more user-friendly than those readouts that require a button to be pushed repeatedly to change among multiple tires. This unit has proven appropriately sensitive to low tire pressures on multiple occasions. Economical. Highly recommended.
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Orange Electronics has closed up in USA and Europe. Asia is giving us vendors no support on warranty issues. If you buy this remember you are buying an unsupported product. Such a shame as it was a GREAT product too.
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***EDIT May 2013***

This update comes about 5 months late, so I apologize. I am going to withdraw a virtually unconditional recommendation for THIS product. The rating is reduced to 2 1/2 stars (rounded to 3 for its merits) and recommend it only if the prospective buyer can be satisfied with a 3 to 3.5 year battery life tops. Longer life will just be a bonus. My experience effectively shows the useful life of the system to be only about 50% of of what you might expect from the stated battery life in the manual (7 years nominal). Others are reporting about the same in reviews after mine. The cost for replacment sensors plus installation and balancing costs puts it nearly out of the range of simply buying another TPMS system unless you can time the replacement with tire replacement. Once a single sensor begins to fail, the others will likely follow shortly behind.

In addition, it is virtually impossible to reach the company with the phone #s provided on their web site, although the site itself has improved for English speakers over the years. Interestingly, I was contacted by Orange about a year or so after my original review to contribute a testimonial for their product. I declined, stating that the material in my Amazon review pretty much wrapped up my experience with the product and they were welcome to use any of it.

I emailed them in November 2012 to see what could be done about battery life and to date there has been no response. A phone call today to the "company" was taken by an answering machine that identified (and verified) only the number I was calling...no company greeting, business hours, etc. There have been many reviews since mine alleging this system to be unsupported.
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16 Comments 137 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Verified Purchase
This product might work well on passenger car tires but not on my pickup truck. I encountered 2 problems. First, the highest pressure That can be set for the over pressure alert is 60 psi. My truck tires are inflated to 70 psi so the alarm goes off and must be manually turned off every time I start the vehicle. The second problem is that with my crew cab truck the farthest tire from the unit (right rear tire) is too far to broadcast a strong enough signal to register. I thought maybe the sensor in that tire was malfunctioning but I switched the tires around and the right rear never gets a strong enough signal to register.
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Verified Purchase
Have had these installed a couple of weeks and so far so good.

Installation/operation notes: I cut the power connector off and used fuse taps similar to these to connect up the wiring to the fuse box. I highly recommend using that sort of fuse tap as this both keeps you from having to take the whole dashboard apart and ensures that you have a fuse for the TPMS. (When you cut the power connector off you lose the fuse that comes with it.) You can get this style of fuse tap at any auto parts store and for probably no more money than here. Just make sure you know if what you're plugging the thing into is a blade fuse or a mini-blade fuse slot so you buy the right size tap.

I do *NOT* recommend using this type of fuse tap because jamming another blade into the fuse connector next to the fuse's blade will probably bend the blade slot bits and mess up the connection if you ever need to remove the tap. Also, you won't get a separate fuse for your accessory with the crappy single blade tap. Having another fuse is kind of important as you REALLY don't want a short circuit in the accessory to blow the fuse for whatever you chose to tap. For example, I chose the AC/Heat blower since it's switched power. If that fuse blows then the blower stops working too. I don't really like freezing. Furthermore, the fuse for my blower is 25A which may not actually blow if the hair-thin TPMS cable wires were to get shorted. They might conduct less than 25A while still getting red hot and starting a fire. I gave the TPMS its own 2.5A fuse. (The one in the cigarette connector is 2A.
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