Chevy Clutch Cycling Switch, Normally Open, M12 x 1.5 ThreadChevy Clutch Cycling Switch, Normally Open, M12 x 1. 5 Thread 89040362, 31587917 M12 x 1. 5 Threads, 2 Pin Normally Open, Closes 40 Psi, Opens 25 Psi 2002 2007 Chevy Silverado, Suburban OEM Numbers 89040362, 31587917 Related Parts KA83717 Specifications Product Condition: New 100% brand new and high quality. The product is the same size as the original part, and replacement is simple. One year warranty, shipped within 1 2 days and delivered within 10