CarTech Pressure Valve Monitors (4-Pack)

Pressure Valve Monitors (4-Pack)

Up to 73% Off
Discount 73%
Over 1,000 bought
$37.38
no longer available

Product Details


CarTech Pressure Valve Monitors (4-Pack)

Promotes Safety, Fuel Efficiency
  • Caps fit onto valve stems and change colors to indicate when tires are running low on air
  • Good tire pressure optimizes gas mileage and decreases the likelihood of premature tire wear and tread separation/blowouts
Easily Know Your Pressure

Glance at the color of the installed stem caps and know immediately whether your tires are good to go or need more air.

  • Green means tire pressure is normal
  • Yellow means the pressure is down about 5lb.
  • Red alerts you that the pressure is down by at least 10lb.
Installation
  • Determine the correct tire pressure
  • Inflate tires to the correct pressure
  • Install the CarTech pressure caps tightly
Good to Know
  • Set of four 36psi valve-stem caps
  • Fits standard-size tire-valve stems
  • Material: chromed metal

For questions pertaining to this deal, click the Ask a Question button below. For post-purchase inquiries, please contact Groupon customer support.

Goods sold by Groupon Goods. View the Groupon Goods FAQ to learn more.

The Fine Print


Customer Reviews

Product Picture for Customer Review

CarTech Pressure Valve Monitors (4-Pack)

Rate first, then write a review.

Diane Verified Purchaser
Jul 23rd, 2018
Don’t buy! Metal that they are made out of corrodes and gets stuck on stem. Ruins the tires TPMS & stem. Ends up being very costly to repair.
Was this helpful?
Thank you for your vote (Undo)
Seetaram Rao Verified Purchaser
Jun 26th, 2018
It damages the tires. the caps will not come our in winter and you will be real trouble if the preassure goes down.
Was this helpful?
Thank you for your vote (Undo)
lisa Verified Purchaser
Apr 2nd, 2018
Liked them until someone stole them !
Was this helpful?
Thank you for your vote (Undo)
mark Verified Purchaser
Oct 2nd, 2017
Product failed to properly reflect true pressure until the car dash showed "low pressure".
Was this helpful?
Thank you for your vote (Undo)
Burton Verified Purchaser
Sep 14th, 2017
Had to use pliers to get them off valve stem after a few months! Stripped the threads on my valve stems. Junk!
Was this helpful?
Thank you for your vote (Undo)
Dennis Verified Purchaser
Sep 10th, 2017
Did not indicate the pressure it was calibrated to
Was this helpful?
Thank you for your vote (Undo)
Rita Verified Purchaser
Sep 2nd, 2017
Caused a tire to go flat when tightened too much. It released air.
Was this helpful?
Thank you for your vote (Undo)
Rita Verified Purchaser
Aug 17th, 2017
Haven't open it as yet
Was this helpful?
Thank you for your vote (Undo)
ed Verified Purchaser
Aug 17th, 2017
Working fantastic
Was this helpful?
Thank you for your vote (Undo)
Steven Verified Purchaser
Aug 17th, 2017
Don't work at all
Was this helpful?
Thank you for your vote (Undo)
Showing 10 of 54
Oops, we couldn't load more reviews for some odd reason. please try again

Average of 191 ratings

44%
27%
8%
5%
16%
To ensure the quality of reviews, all reviews are screened for spam and content that may be offensive to other people.

Please Sign In or Sign Up to rate or vote

By purchasing this deal you'll unlock points which can be spent on discounts and rewards. Every 5,000 points can be redeemed for $5 Off your next purchase.