5140117-89 Air Compressor Pressure Switch replacement for Porter Cable 919-16551 Quality assurance: excellent design and processing. 5140117-89 Air Compressor Pressure Switch It is made of highly durable materials. After strict testing, it has compact structure and long service life. Super durable, high-quality substitute. 5140117-89 Air Compressor Pressure Switch Made of durable high quality materials and fully tested by the manufacturer This is the manufacturer's replacement. The function is equivalent to the previous parts. The product description is well designed and well processed. Accurate matching and wise choice. Our reliable accessories can keep your gear running smoothly. Please confirm your model before ordering. Carefully check the dimensions and photos for suitability.