Whenever a rubber snap-in valve based TPMS sensor is removed from a wheel, it should be replaced with new rubber snap-in valve. Attempting to reuse the original rubber snap-in valve and valve core may result in an air leak.
http://www.tpms.com/product_p/sk0018.htm
Vehicle applications:
- Mazda; Tribute; 2010-2009
- Mercury; Mariner; 2011-2009
- Mercury; Milan; 2011-2010