The Peterbilt 370 Series 2000 And Older Full Locking Differential Switch Guard is a practical and reliable accessory for your Peterbilt truck. Made of high-quality 304 stainless steel, it ensures durability and longevity. The full locking differential engraving adds a touch of style to your dashboard. Each guard includes a chrome nut and fits most Peterbilt 370 Series model dashes from 2000 and older. Protect your locking differential switch with this high-quality guard, designed to withstand the rigors of the road.