5140186-66 air compressor pressure switch Compatible with Porter Cable Measures approximately 4.70 X 5.45 X 3.40 inches Easy replacement, convenient maintenance, and excellent performance always online - choose our lawn mower, brush cutter, and chain saw specialized replacement parts, the quality is trustworthy! After receiving the parts, please carefully check the appearance of the product and compare it with the part parameters and detailed specifications displayed on the detail page one by one to ensure that the model is completely matched and installed with peace of mind. Quality assurance, meticulous design, and precision manufacturing. Every replacement part undergoes rigorous quality inspection, upgrading your outdoor work tools with high-quality accessories to significantly improve tool efficiency and lifespan. Worry free after-sales service, we always prioritize customer satisfaction as our core pursuit. If you have any dissatisfaction with the product, please feel free to contact us at any time. We will wholeheartedly provide you with exclusive solutions and escort your shopping experience throughout the process!