Ngk 23139 Oxygen Sensor Protective Shields (ONLY fits 2007 HD CLASSIC

(ONLY fits 2007 HD CLASSIC model)

Direct fit and easy installation

The detailed tread elements improve the cornering ability with extra biting edges and boosting the braking ability which shortens the braking distance

Mount the Plug-Guard to the hitch frame or to the 5th wheel box of the trailer and simply pull back the spring loaded hinged cover on the female opening of the Plug-Guard and insert the male plug

Using advanced technology

Ngk 23139 Oxygen Sensor Protective Shields (ONLY fits 2007 HD CLASSICAll NGK NTK Oxygen Sensors are platinum coated for durability and are individually tested to guarantee quality. You can be assured the NTK oxygen sensor for your car will install as quickly and plug in exactly as if you bought it from the dealer, as NTK i