We appreciate your interest in our Brakes - Consumables And Expendables Part family, Part Number: 20-520 , Description: Pin, Wear Indicator , from ATA number 32-42 . Tracer- Reps is your premium provider of all Wheels And Bakes  parts and components, including new, used, and alternative parts. Review our available inventory; if we are out of stock, send us an enquiry and we’ll put our team of source experts to work locating what you need. You’ll find we are extremely responsive and offer the most flexible delivery and payment options.